./jbmc --propertyfile ../git-sv-benchmarks/java/ReachSafety.prp ../git-sv-benchmarks/java/jbmc-regression/ClassCastException3_false-assert.jar -------------------------------------------------------------------------------- ./jbmc-binary --throw-runtime-exceptions --string-max-input-length 100 --classpath core-models.jar --graphml-witness /tmp/JBMC-log.CflpAw.witness --unwind 11 --stop-on-fail --64 --object-bits 11 --function Main.main ../git-sv-benchmarks/java/jbmc-regression/ClassCastException3_false-assert.jar Unwind: 11 JBMC version 5.9 (cbmc-5.7-5176-g7c4b5aa) 64-bit x86_64 linux Parsing ../git-sv-benchmarks/java/jbmc-regression/ClassCastException3_false-assert.jar JAR file without entry point: loading class files failed to load class `java.io.ObjectOutputStream' failed to load class `java.io.ObjectInputStream' failed to load class `java.io.PrintWriter' failed to load class `java.io.PrintStream' failed to load class `java.io.IOException' failed to load class `java.io.Serializable' failed to load class `java.lang.StackTraceElement' failed to load class `java.util.Objects' failed to load class `java.lang.AbstractStringBuilder' failed to load class `java.lang.invoke.MethodHandles' failed to load class `java.util.PrimitiveIterator' failed to load class `java.lang.invoke.LambdaMetafactory' failed to load class `java.lang.invoke.MethodHandle' failed to load class `java.lang.invoke.MethodType' failed to load class `java.lang.invoke.MethodHandles$Lookup' failed to load class `java.lang.invoke.CallSite' failed to load class `java.util.Spliterators' failed to load class `java.util.PrimitiveIterator$OfInt' failed to load class `java.util.Spliterator$OfInt' failed to load class `java.util.stream.StreamSupport' failed to load class `java.util.stream.IntStream' failed to load class `java.util.Spliterator' failed to load class `java.util.function.Supplier' failed to load class `java.util.NoSuchElementException' failed to load class `java.util.function.IntConsumer' failed to load class `java.lang.Comparable' failed to load class `java.util.Locale' failed to load class `java.lang.CharacterName' failed to load class `java.lang.CharacterData' failed to load class `java.lang.Byte' failed to load class `java.io.UnsupportedEncodingException' failed to load class `java.util.Comparator' failed to load class `java.lang.Iterable' failed to load class `java.util.Iterator' failed to load class `java.nio.charset.Charset' failed to load class `java.io.BufferedInputStream' failed to load class `java.lang.Number' failed to load class `java.lang.Long' failed to load class `java.lang.Appendable' failed to load class `java.util.HashMap' failed to load class `sun.reflect.Reflection' failed to load class `java.lang.System' failed to load class `java.lang.SecurityManager' failed to load class `java.lang.ClassLoader' failed to load class `java.util.Map' failed to load class `java.io.ObjectStreamException' failed to load class `java.io.InvalidObjectException' failed to load class `java.util.Arrays' Converting Method: java::java.lang.Object.getClass could not parse signature: ()Ljava/lang/Class<*>; Unsupported class signature: wild card generic reverting to descriptor: ()Ljava/lang/Class; Method: java::java.lang.String.join could not parse signature: (Ljava/lang/CharSequence;Ljava/lang/Iterable<+Ljava/lang/CharSequence;>;)Ljava/lang/String; Unsupported class signature: wild card generic reverting to descriptor: (Ljava/lang/CharSequence;Ljava/lang/Iterable;)Ljava/lang/String; Method: java::java.lang.Class.forName could not parse signature: (Ljava/lang/String;)Ljava/lang/Class<*>; Unsupported class signature: wild card generic reverting to descriptor: (Ljava/lang/String;)Ljava/lang/Class; Method: java::java.lang.Class.forName could not parse signature: (Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class<*>; Unsupported class signature: wild card generic reverting to descriptor: (Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class; Method: java::java.lang.Class.desiredAssertionStatus0 could not parse signature: (Ljava/lang/Class<*>;)Z Unsupported class signature: wild card generic reverting to descriptor: (Ljava/lang/Class;)Z Method: java::java.lang.Character$UnicodeScript. signature: ()V descriptor: (Ljava/lang/String;I)V different number of parameters, reverting to descriptor Class: java.lang.Enum could not parse signature: ;>Ljava/lang/Object;Ljava/lang/Comparable;Ljava/io/Serializable; Unsupported class signature: Failed to find generic signature closing delimiter (or recursive generic): java/lang/Enum;>(Ljava/lang/Class;Ljava/lang/String;)TT; Unsupported class signature: Cannot currently parse bounds on generic types reverting to descriptor: (Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum; Method: java::org.cprover.CProver.nondetWithNull could not parse signature: ()TT; Unsupported class signature: Cannot currently parse bounds on generic types reverting to descriptor: ()Ljava/lang/Object; Method: java::org.cprover.CProver.nondetWithNull could not parse signature: (TT;)TT; Unsupported class signature: Cannot currently parse bounds on generic types reverting to descriptor: (Ljava/lang/Object;)Ljava/lang/Object; Method: java::org.cprover.CProver.nondetWithoutNull could not parse signature: ()TT; Unsupported class signature: Cannot currently parse bounds on generic types reverting to descriptor: ()Ljava/lang/Object; Method: java::org.cprover.CProver.nondetWithoutNull could not parse signature: (TT;)TT; Unsupported class signature: Cannot currently parse bounds on generic types reverting to descriptor: (Ljava/lang/Object;)Ljava/lang/Object; Method: java::org.cprover.CProver.nondetWithNullForNotModelled could not parse signature: ()TT; Unsupported class signature: Cannot currently parse bounds on generic types reverting to descriptor: ()Ljava/lang/Object; Method: java::org.cprover.CProver.nondetWithoutNullForNotModelled could not parse signature: ()TT; Unsupported class signature: Cannot currently parse bounds on generic types reverting to descriptor: ()Ljava/lang/Object; Java: added 2219 String or Class constant symbols Generating GOTO Program Running GOTO functions transformation passes Running with 11 object bits, 53 offset bits (user-specified) Starting Bounded Model Checking Unwinding loop __CPROVER__start.0 iteration 1 thread 0 Unwinding loop __CPROVER__start.0 iteration 2 thread 0 Unwinding loop __CPROVER__start.0 iteration 3 thread 0 Unwinding loop __CPROVER__start.0 iteration 4 thread 0 Unwinding loop __CPROVER__start.0 iteration 5 thread 0 Unwinding recursion java::Main::clinit_wrapper iteration 1 aborting path on assume(false) at file Main.java line 19 function java::Main.main:([Ljava/lang/String;)V bytecode-index 14 thread 0 size of program expression: 453 steps simple slicing removed 8 assignments Generated 3 VCC(s), 1 remaining after simplification Passing problem to string refinement loop with MiniSAT 2.2.1 without simplifier converting SSA Running string refinement loop with MiniSAT 2.2.1 without simplifier BV-Refinement: post-processing BV-Refinement: iteration 1 12685 variables, 13150 clauses SAT checker: instance is SATISFIABLE BV-Refinement: got SAT, and it simulates => SAT Total iterations: 1 Runtime decision procedure: 0.0137758s Building error trace Counterexample: State 3 thread 0 ---------------------------------------------------- __CPROVER_rounding_mode=0 (00000000 00000000 00000000 00000000) State 4 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- java$$Main$$clinit_already_run=false (0) State 5 thread 0 ---------------------------------------------------- Main@class_model={ .@java.lang.Object={ .@class_identifier="java::java.lang.Class", .cproverMonitorCount=0 }, .name=null, .isAnnotation=false, .isArray=false, .isInterface=false, .isSynthetic=false, .isLocalClass=false, .isMemberClass=false, .isEnum=false, .enumConstantDirectory=null } ({ { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 }) State 8 thread 0 ---------------------------------------------------- this=&Main@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 9 thread 0 ---------------------------------------------------- name=&Main.@java.lang.Object.@class_identifier (00000000 01100000 00000000 00000000 00000000 00000000 00000000 00000000) State 10 thread 0 ---------------------------------------------------- isAnnotation=false (00000000) State 11 thread 0 ---------------------------------------------------- isArray=false (00000000) State 12 thread 0 ---------------------------------------------------- isInterface=false (00000000) State 13 thread 0 ---------------------------------------------------- isSynthetic=false (00000000) State 14 thread 0 ---------------------------------------------------- isLocalClass=false (00000000) State 15 thread 0 ---------------------------------------------------- isMemberClass=false (00000000) State 16 thread 0 ---------------------------------------------------- isEnum=false (00000000) State 18 file java/lang/Class.java line 463 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 2 thread 0 ---------------------------------------------------- Main@class_model.name=&Main.@java.lang.Object.@class_identifier (00000000 01100000 00000000 00000000 00000000 00000000 00000000 00000000) State 20 file java/lang/Class.java line 464 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 5 thread 0 ---------------------------------------------------- Main@class_model.isAnnotation=false (00000000) State 22 file java/lang/Class.java line 465 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 8 thread 0 ---------------------------------------------------- Main@class_model.isArray=false (00000000) State 24 file java/lang/Class.java line 466 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 11 thread 0 ---------------------------------------------------- Main@class_model.isInterface=false (00000000) State 26 file java/lang/Class.java line 467 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 14 thread 0 ---------------------------------------------------- Main@class_model.isSynthetic=false (00000000) State 28 file java/lang/Class.java line 468 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 17 thread 0 ---------------------------------------------------- Main@class_model.isLocalClass=false (00000000) State 30 file java/lang/Class.java line 469 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 20 thread 0 ---------------------------------------------------- Main@class_model.isMemberClass=false (00000000) State 32 file java/lang/Class.java line 470 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 23 thread 0 ---------------------------------------------------- Main@class_model.isEnum=false (00000000) State 35 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- $assertionsDisabled=false (00000000) State 48 thread 0 ---------------------------------------------------- dynamic_object1={ .@java.lang.Object={ .@class_identifier="java::java.lang.Class", .cproverMonitorCount=0 }, .length=0, .data=null } ({ { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 }) State 50 thread 0 ---------------------------------------------------- dynamic_object1={ .@java.lang.Object={ .@class_identifier="java::array[reference]", .cproverMonitorCount=0 }, .length=0, .data=null } ({ { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 }) State 51 thread 0 ---------------------------------------------------- dynamic_object1.length=1 (00000000 00000000 00000000 00000001) State 54 thread 0 ---------------------------------------------------- dynamic_object1.data=dynamic_2_array (00000000 10100000 00000000 00000000 00000000 00000000 00000000 00000000) State 55 thread 0 ---------------------------------------------------- dynamic_2_array={ null, null, null, null, null } ({ 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 }) State 60 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- dynamic_object3={ .@java.lang.Object={ .@class_identifier="java::java.lang.Class", .cproverMonitorCount=0 }, .length=0, .data=null } ({ { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 }) State 62 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- dynamic_2_array[0L]=&dynamic_object3.@java.lang.Object.@class_identifier (00000000 11000000 00000000 00000000 00000000 00000000 00000000 00000000) State 68 thread 0 ---------------------------------------------------- dynamic_object4=dynamic_object4#1 (?) State 72 thread 0 ---------------------------------------------------- dynamic_object4={ } ( }) State 77 thread 0 ---------------------------------------------------- dynamic_object3={ .@java.lang.Object={ .@class_identifier="java::java.lang.String", .cproverMonitorCount=0 }, .length=0, .data=dynamic_object4 } ({ { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000, 00000000 11100000 00000000 00000000 00000000 00000000 00000000 00000000 }) State 78 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- dynamic_object3.@java.lang.Object.cproverMonitorCount=0 (00000000 00000000 00000000 00000000) State 82 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- INPUT arg0a: &dynamic_object1.@java.lang.Object.@class_identifier (00000000 10000000 00000000 00000000 00000000 00000000 00000000 00000000) State 85 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- arg0a=&dynamic_object1.@java.lang.Object.@class_identifier (00000000 10000000 00000000 00000000 00000000 00000000 00000000 00000000) State 86 thread 0 ---------------------------------------------------- anonlocal::1a=null (00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 88 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V bytecode-index 0 thread 0 ---------------------------------------------------- dynamic_object13={ .@java.lang.Object={ .@class_identifier="java::java.lang.Class", .cproverMonitorCount=0 } } ({ { ?, 00000000 00000000 00000000 00000000 } }) State 90 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V bytecode-index 0 thread 0 ---------------------------------------------------- dynamic_object13={ .@java.lang.Object={ .@class_identifier="java::A", .cproverMonitorCount=0 } } ({ { ?, 00000000 00000000 00000000 00000000 } }) State 94 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V bytecode-index 2 thread 0 ---------------------------------------------------- this=&dynamic_object13.@java.lang.Object.@class_identifier (00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 98 file Main.java line 8 function java::A.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object13.@java.lang.Object.@class_identifier (00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 100 file java/lang/Object.java line 40 function java::java.lang.Object.:()V bytecode-index 2 thread 0 ---------------------------------------------------- dynamic_object13.@java.lang.Object.cproverMonitorCount=0 (00000000 00000000 00000000 00000000) State 105 file Main.java line 15 function java::Main.main:([Ljava/lang/String;)V bytecode-index 3 thread 0 ---------------------------------------------------- anonlocal::1a=&dynamic_object13.@java.lang.Object.@class_identifier (00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 112 file Main.java line 16 function java::Main.main:([Ljava/lang/String;)V bytecode-index 5 thread 0 ---------------------------------------------------- dynamic_object14={ .@java.lang.RuntimeException={ .@java.lang.Exception={ .@java.lang.Throwable={ .@java.lang.Object={ .@class_identifier="java::java.lang.Class", .cproverMonitorCount=0 }, .detailMessage=null, .cause=null } } } } ({ { { { { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 } } } }) State 114 file Main.java line 16 function java::Main.main:([Ljava/lang/String;)V bytecode-index 5 thread 0 ---------------------------------------------------- dynamic_object14={ .@java.lang.RuntimeException={ .@java.lang.Exception={ .@java.lang.Throwable={ .@java.lang.Object={ .@class_identifier="java::java.lang.ClassCastException", .cproverMonitorCount=0 }, .detailMessage=null, .cause=null } } } } ({ { { { { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 } } } }) State 124 file Main.java line 18 function java::Main.main:([Ljava/lang/String;)V bytecode-index 8 thread 0 ---------------------------------------------------- anonlocal::1a=&dynamic_object14.@java.lang.RuntimeException.@java.lang.Exception.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 00100000 00000000 00000000 00000000 00000000 00000000 00000000) State 128 thread 0 ---------------------------------------------------- java$$Main$$clinit_already_run=true (1) State 136 file Main.java line 12 function java::Main.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&Main@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 137 thread 0 ---------------------------------------------------- loader=null (00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 142 file java/lang/Class.java line 411 function java::java.lang.Class.desiredAssertionStatus:()Z bytecode-index 1 thread 0 ---------------------------------------------------- this=&Main@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 143 thread 0 ---------------------------------------------------- cl=null (00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 148 file java/lang/Class.java line 184 function java::java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader; bytecode-index 1 thread 0 ---------------------------------------------------- this=&Main@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 152 file java/lang/Class.java line 184 function java::java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader; bytecode-index 2 thread 0 ---------------------------------------------------- cl=null (00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 159 file java/lang/Class.java line 411 function java::java.lang.Class.desiredAssertionStatus:()Z bytecode-index 2 thread 0 ---------------------------------------------------- loader=null (00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 164 file java/lang/Class.java line 414 function java::java.lang.Class.desiredAssertionStatus:()Z bytecode-index 6 thread 0 ---------------------------------------------------- clazz=&Main@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 181 file Main.java line 12 function java::Main.:()V bytecode-index 6 thread 0 ---------------------------------------------------- $assertionsDisabled=false (00000000) State 188 file Main.java line 19 function java::Main.main:([Ljava/lang/String;)V bytecode-index 11 thread 0 ---------------------------------------------------- dynamic_object15={ .@java.lang.Error={ .@java.lang.Throwable={ .@java.lang.Object={ .@class_identifier="java::java.lang.Class", .cproverMonitorCount=0 }, .detailMessage=null, .cause=null } } } ({ { { { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 } } }) State 190 file Main.java line 19 function java::Main.main:([Ljava/lang/String;)V bytecode-index 11 thread 0 ---------------------------------------------------- dynamic_object15={ .@java.lang.Error={ .@java.lang.Throwable={ .@java.lang.Object={ .@class_identifier="java::java.lang.AssertionError", .cproverMonitorCount=0 }, .detailMessage=null, .cause=null } } } ({ { { { ?, 00000000 00000000 00000000 00000000 }, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000, 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 } } }) State 194 file Main.java line 19 function java::Main.main:([Ljava/lang/String;)V bytecode-index 13 thread 0 ---------------------------------------------------- this=&dynamic_object15.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 198 file java/lang/AssertionError.java line 49 function java::java.lang.AssertionError.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object15.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 202 file java/lang/Error.java line 58 function java::java.lang.Error.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object15.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 206 file java/lang/Throwable.java line 264 function java::java.lang.Throwable.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object15.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 208 file java/lang/Object.java line 40 function java::java.lang.Object.:()V bytecode-index 2 thread 0 ---------------------------------------------------- dynamic_object15.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.cproverMonitorCount=0 (00000000 00000000 00000000 00000000) State 212 file java/lang/Throwable.java line 201 function java::java.lang.Throwable.:()V bytecode-index 4 thread 0 ---------------------------------------------------- dynamic_object15.@java.lang.Error.@java.lang.Throwable.cause=&dynamic_object15.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 01000000 00000000 00000000 00000000 00000000 00000000 00000000) Violated property: file Main.java line 19 function java::Main.main:([Ljava/lang/String;)V bytecode-index 14 assertion at file Main.java line 19 function java::Main.main:([Ljava/lang/String;)V bytecode-index 14 false VERIFICATION FAILED EC=10 FALSE