./jbmc --propertyfile ../git-sv-benchmarks/java/ReachSafety.prp ../git-sv-benchmarks/java/jbmc-regression/virtual2_false-assert.jar -------------------------------------------------------------------------------- ./jbmc-binary --throw-runtime-exceptions --string-max-input-length 100 --classpath core-models.jar --graphml-witness /tmp/JBMC-log.eKDZA4.witness --unwind 11 --stop-on-fail --64 --object-bits 11 --function Main.main ../git-sv-benchmarks/java/jbmc-regression/virtual2_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/virtual2_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::B::clinit_wrapper iteration 1 aborting path on assume(false) at file Main.java line 17 function java::B.f:()V bytecode-index 5 thread 0 size of program expression: 451 steps simple slicing removed 11 assignments Generated 2 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 12365 variables, 13150 clauses SAT checker: instance is SATISFIABLE BV-Refinement: got SAT, and it simulates => SAT Total iterations: 1 Runtime decision procedure: 0.0116735s Building error trace Counterexample: State 3 thread 0 ---------------------------------------------------- __CPROVER_rounding_mode=0 (00000000 00000000 00000000 00000000) State 4 thread 0 ---------------------------------------------------- B@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 7 thread 0 ---------------------------------------------------- this=&B@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 8 thread 0 ---------------------------------------------------- name=&B.@java.lang.Object.@class_identifier (00000000 01100000 00000000 00000000 00000000 00000000 00000000 00000000) State 9 thread 0 ---------------------------------------------------- isAnnotation=false (00000000) State 10 thread 0 ---------------------------------------------------- isArray=false (00000000) State 11 thread 0 ---------------------------------------------------- isInterface=false (00000000) State 12 thread 0 ---------------------------------------------------- isSynthetic=false (00000000) State 13 thread 0 ---------------------------------------------------- isLocalClass=false (00000000) State 14 thread 0 ---------------------------------------------------- isMemberClass=false (00000000) State 15 thread 0 ---------------------------------------------------- isEnum=false (00000000) State 17 file java/lang/Class.java line 463 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 2 thread 0 ---------------------------------------------------- B@class_model.name=&B.@java.lang.Object.@class_identifier (00000000 01100000 00000000 00000000 00000000 00000000 00000000 00000000) State 19 file java/lang/Class.java line 464 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 5 thread 0 ---------------------------------------------------- B@class_model.isAnnotation=false (00000000) State 21 file java/lang/Class.java line 465 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 8 thread 0 ---------------------------------------------------- B@class_model.isArray=false (00000000) State 23 file java/lang/Class.java line 466 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 11 thread 0 ---------------------------------------------------- B@class_model.isInterface=false (00000000) State 25 file java/lang/Class.java line 467 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 14 thread 0 ---------------------------------------------------- B@class_model.isSynthetic=false (00000000) State 27 file java/lang/Class.java line 468 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 17 thread 0 ---------------------------------------------------- B@class_model.isLocalClass=false (00000000) State 29 file java/lang/Class.java line 469 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 20 thread 0 ---------------------------------------------------- B@class_model.isMemberClass=false (00000000) State 31 file java/lang/Class.java line 470 function java::java.lang.Class.cproverInitializeClassLiteral:(Ljava/lang/String;ZZZZZZZ)V bytecode-index 23 thread 0 ---------------------------------------------------- B@class_model.isEnum=false (00000000) State 35 file Main.java line 25 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- $assertionsDisabled=false (00000000) State 36 file Main.java line 25 function java::Main.main:([Ljava/lang/String;)V thread 0 ---------------------------------------------------- java$$B$$clinit_already_run=false (0) 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 25 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 25 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 25 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 25 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 25 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 91 thread 0 ---------------------------------------------------- java$$B$$clinit_already_run=true (1) State 99 file Main.java line 13 function java::B.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&B@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 100 thread 0 ---------------------------------------------------- loader=null (00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 105 file java/lang/Class.java line 411 function java::java.lang.Class.desiredAssertionStatus:()Z bytecode-index 1 thread 0 ---------------------------------------------------- this=&B@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 106 thread 0 ---------------------------------------------------- cl=null (00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 111 file java/lang/Class.java line 184 function java::java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader; bytecode-index 1 thread 0 ---------------------------------------------------- this=&B@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 115 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 122 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 127 file java/lang/Class.java line 414 function java::java.lang.Class.desiredAssertionStatus:()Z bytecode-index 6 thread 0 ---------------------------------------------------- clazz=&B@class_model.@java.lang.Object.@class_identifier (00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000) State 144 file Main.java line 13 function java::B.:()V bytecode-index 6 thread 0 ---------------------------------------------------- $assertionsDisabled=false (00000000) State 149 file Main.java line 25 function java::Main.main:([Ljava/lang/String;)V bytecode-index 0 thread 0 ---------------------------------------------------- dynamic_object13={ .@A={ .@java.lang.Object={ .@class_identifier="java::java.lang.Class", .cproverMonitorCount=0 } } } ({ { { ?, 00000000 00000000 00000000 00000000 } } }) State 151 file Main.java line 25 function java::Main.main:([Ljava/lang/String;)V bytecode-index 0 thread 0 ---------------------------------------------------- dynamic_object13={ .@A={ .@java.lang.Object={ .@class_identifier="java::B", .cproverMonitorCount=0 } } } ({ { { ?, 00000000 00000000 00000000 00000000 } } }) State 155 file Main.java line 25 function java::Main.main:([Ljava/lang/String;)V bytecode-index 2 thread 0 ---------------------------------------------------- this=&dynamic_object13.@A.@java.lang.Object.@class_identifier (00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 159 file Main.java line 13 function java::B.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object13.@A.@java.lang.Object.@class_identifier (00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 163 file Main.java line 8 function java::A.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object13.@A.@java.lang.Object.@class_identifier (00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 165 file java/lang/Object.java line 40 function java::java.lang.Object.:()V bytecode-index 2 thread 0 ---------------------------------------------------- dynamic_object13.@A.@java.lang.Object.cproverMonitorCount=0 (00000000 00000000 00000000 00000000) State 172 file Main.java line 25 function java::Main.main:([Ljava/lang/String;)V bytecode-index 3 thread 0 ---------------------------------------------------- anonlocal::1a=&dynamic_object13.@A.@java.lang.Object.@class_identifier (00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 177 file Main.java line 26 function java::Main.main:([Ljava/lang/String;)V bytecode-index 5 thread 0 ---------------------------------------------------- this=&dynamic_object13.@A.@java.lang.Object.@class_identifier (00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000) State 185 file Main.java line 17 function java::B.f:()V bytecode-index 2 thread 0 ---------------------------------------------------- dynamic_object14={ .@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 187 file Main.java line 17 function java::B.f:()V bytecode-index 2 thread 0 ---------------------------------------------------- dynamic_object14={ .@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 191 file Main.java line 17 function java::B.f:()V bytecode-index 4 thread 0 ---------------------------------------------------- this=&dynamic_object14.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 00100000 00000000 00000000 00000000 00000000 00000000 00000000) State 195 file java/lang/AssertionError.java line 49 function java::java.lang.AssertionError.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object14.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 00100000 00000000 00000000 00000000 00000000 00000000 00000000) State 199 file java/lang/Error.java line 58 function java::java.lang.Error.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object14.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 00100000 00000000 00000000 00000000 00000000 00000000 00000000) State 203 file java/lang/Throwable.java line 264 function java::java.lang.Throwable.:()V bytecode-index 1 thread 0 ---------------------------------------------------- this=&dynamic_object14.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 00100000 00000000 00000000 00000000 00000000 00000000 00000000) State 205 file java/lang/Object.java line 40 function java::java.lang.Object.:()V bytecode-index 2 thread 0 ---------------------------------------------------- dynamic_object14.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.cproverMonitorCount=0 (00000000 00000000 00000000 00000000) State 209 file java/lang/Throwable.java line 201 function java::java.lang.Throwable.:()V bytecode-index 4 thread 0 ---------------------------------------------------- dynamic_object14.@java.lang.Error.@java.lang.Throwable.cause=&dynamic_object14.@java.lang.Error.@java.lang.Throwable.@java.lang.Object.@class_identifier (00000010 00100000 00000000 00000000 00000000 00000000 00000000 00000000) Violated property: file Main.java line 17 function java::B.f:()V bytecode-index 5 assertion at file Main.java line 17 function java::B.f:()V bytecode-index 5 false VERIFICATION FAILED EC=10 FALSE