java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 13:50:38,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 13:50:38,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 13:50:38,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 13:50:38,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 13:50:38,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 13:50:38,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 13:50:38,326 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 13:50:38,328 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 13:50:38,328 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 13:50:38,329 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 13:50:38,329 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 13:50:38,330 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 13:50:38,330 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 13:50:38,331 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 13:50:38,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 13:50:38,336 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 13:50:38,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 13:50:38,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 13:50:38,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 13:50:38,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 13:50:38,347 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 13:50:38,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 13:50:38,348 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf [2018-01-24 13:50:38,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 13:50:38,358 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 13:50:38,359 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 13:50:38,359 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 13:50:38,359 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 13:50:38,359 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 13:50:38,359 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 13:50:38,360 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 13:50:38,360 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 13:50:38,360 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 13:50:38,361 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 13:50:38,361 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 13:50:38,361 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 13:50:38,361 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 13:50:38,361 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 13:50:38,362 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 13:50:38,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 13:50:38,362 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 13:50:38,362 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 13:50:38,362 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 13:50:38,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 13:50:38,363 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 13:50:38,363 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 13:50:38,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 13:50:38,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 13:50:38,364 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 13:50:38,364 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 13:50:38,364 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 13:50:38,364 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 13:50:38,365 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 13:50:38,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 13:50:38,365 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 13:50:38,366 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 13:50:38,366 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 13:50:38,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 13:50:38,413 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 13:50:38,417 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 13:50:38,418 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 13:50:38,419 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 13:50:38,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i [2018-01-24 13:50:38,606 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 13:50:38,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 13:50:38,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 13:50:38,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 13:50:38,621 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 13:50:38,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb77e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38, skipping insertion in model container [2018-01-24 13:50:38,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,644 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:50:38,684 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:50:38,801 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:50:38,817 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:50:38,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38 WrapperNode [2018-01-24 13:50:38,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 13:50:38,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 13:50:38,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 13:50:38,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 13:50:38,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38" (1/1) ... [2018-01-24 13:50:38,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 13:50:38,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 13:50:38,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 13:50:38,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 13:50:38,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:50:38" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 13:50:38,909 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 13:50:38,909 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 13:50:38,910 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-24 13:50:38,910 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-01-24 13:50:38,910 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 13:50:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 13:50:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 13:50:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 13:50:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 13:50:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 13:50:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 13:50:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 13:50:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 13:50:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-24 13:50:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-01-24 13:50:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 13:50:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 13:50:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 13:50:39,159 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 13:50:39,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:50:39 BoogieIcfgContainer [2018-01-24 13:50:39,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 13:50:39,160 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 13:50:39,161 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 13:50:39,161 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 13:50:39,161 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:50:39" (1/1) ... [2018-01-24 13:50:39,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 13:50:54,633 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 13:50:54,658 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 13:50:54,662 INFO L268 AbstractInterpreter]: Visited 72 different actions 731 times. Merged at 49 different actions 363 times. Never widened. Found 78 fixpoints after 14 different actions. Largest state had 35 variables. [2018-01-24 13:50:54,664 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 13:50:54,665 INFO L168 Benchmark]: Toolchain (without parser) took 16059.14 ms. Allocated memory was 303.0 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 263.1 MB in the beginning and 728.7 MB in the end (delta: -465.6 MB). Peak memory consumption was 552.0 MB. Max. memory is 5.3 GB. [2018-01-24 13:50:54,666 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 303.0 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 13:50:54,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.90 ms. Allocated memory is still 303.0 MB. Free memory was 262.1 MB in the beginning and 251.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-24 13:50:54,666 INFO L168 Benchmark]: Boogie Preprocessor took 32.62 ms. Allocated memory is still 303.0 MB. Free memory was 251.8 MB in the beginning and 249.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 13:50:54,667 INFO L168 Benchmark]: RCFGBuilder took 302.33 ms. Allocated memory is still 303.0 MB. Free memory was 249.8 MB in the beginning and 229.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. [2018-01-24 13:50:54,667 INFO L168 Benchmark]: Abstract Interpretation took 15504.18 ms. Allocated memory was 303.0 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 229.3 MB in the beginning and 728.7 MB in the end (delta: -499.4 MB). Peak memory consumption was 518.2 MB. Max. memory is 5.3 GB. [2018-01-24 13:50:54,668 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 303.0 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 210.90 ms. Allocated memory is still 303.0 MB. Free memory was 262.1 MB in the beginning and 251.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.62 ms. Allocated memory is still 303.0 MB. Free memory was 251.8 MB in the beginning and 249.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 302.33 ms. Allocated memory is still 303.0 MB. Free memory was 249.8 MB in the beginning and 229.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 15504.18 ms. Allocated memory was 303.0 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 229.3 MB in the beginning and 728.7 MB in the end (delta: -499.4 MB). Peak memory consumption was 518.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 54 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 680 LocStat_NO_SUPPORTING_DISEQUALITIES : 180 LocStat_NO_DISJUNCTIONS : -108 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 80 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 135 TransStat_NO_SUPPORTING_DISEQUALITIES : 24 TransStat_NO_DISJUNCTIONS : 93 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.654616 RENAME_VARIABLES(MILLISECONDS) : 0.233196 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.637607 PROJECTAWAY(MILLISECONDS) : 0.099352 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.066193 DISJOIN(MILLISECONDS) : 0.192861 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.254601 ADD_EQUALITY(MILLISECONDS) : 0.021194 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007752 #CONJOIN_DISJUNCTIVE : 1182 #RENAME_VARIABLES : 2683 #UNFREEZE : 0 #CONJOIN : 1731 #PROJECTAWAY : 1456 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 316 #RENAME_VARIABLES_DISJUNCTIVE : 2519 #ADD_EQUALITY : 120 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 21 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L565] EXPR build_nondet_String() [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L566] EXPR build_nondet_String() [L566] char* s2 = build_nondet_String(); [L567] CALL cstrpbrk(s1,s2) [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 [L554] FCALL \read(*sc1) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L565] EXPR build_nondet_String() [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L566] EXPR build_nondet_String() [L566] char* s2 = build_nondet_String(); [L567] CALL cstrpbrk(s1,s2) [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 [L554] EXPR, FCALL \read(*sc1) [L554] COND TRUE *sc1 != '\0' [L555] s = s2 [L556] FCALL \read(*sc1) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L565] EXPR build_nondet_String() [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L566] EXPR build_nondet_String() [L566] char* s2 = build_nondet_String(); [L567] CALL cstrpbrk(s1,s2) [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 [L554] EXPR, FCALL \read(*sc1) [L554] COND FALSE !(*sc1 != '\0') [L562] RET return 0; [L567] cstrpbrk(s1,s2) [L567] FCALL cstrpbrk(s1,s2) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L565] EXPR build_nondet_String() [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L566] EXPR build_nondet_String() [L566] char* s2 = build_nondet_String(); [L567] CALL cstrpbrk(s1,s2) [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 [L554] EXPR, FCALL \read(*sc1) [L554] COND FALSE !(*sc1 != '\0') [L562] RET return 0; [L567] cstrpbrk(s1,s2) [L567] FCALL cstrpbrk(s1,s2) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L565] EXPR build_nondet_String() [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L566] EXPR build_nondet_String() [L566] char* s2 = build_nondet_String(); [L567] CALL cstrpbrk(s1,s2) [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 [L554] EXPR, FCALL \read(*sc1) [L554] COND TRUE *sc1 != '\0' [L555] s = s2 [L556] EXPR, FCALL \read(*sc1) [L556] c = *sc1 [L557] FCALL \read(*s) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L565] EXPR build_nondet_String() [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L566] EXPR build_nondet_String() [L566] char* s2 = build_nondet_String(); [L567] CALL cstrpbrk(s1,s2) [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 [L554] EXPR, FCALL \read(*sc1) [L554] COND TRUE *sc1 != '\0' [L555] s = s2 [L556] EXPR, FCALL \read(*sc1) [L556] c = *sc1 [L557] EXPR, FCALL \read(*s) [L557] *s != '\0' && *s != (char)c [L557] FCALL \read(*s) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L565] EXPR build_nondet_String() [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L566] EXPR build_nondet_String() [L566] char* s2 = build_nondet_String(); [L567] CALL cstrpbrk(s1,s2) [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 [L554] EXPR, FCALL \read(*sc1) [L554] COND TRUE *sc1 != '\0' [L555] s = s2 [L556] EXPR, FCALL \read(*sc1) [L556] c = *sc1 [L557] EXPR, FCALL \read(*s) [L557] *s != '\0' && *s != (char)c [L557] COND FALSE !(*s != '\0' && *s != (char)c) [L559] FCALL \read(*s) - UnprovableResult [Line: 564]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: abstract domain could reach this error location. Possible FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L565] EXPR build_nondet_String() [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] RET return nondetString; [L566] EXPR build_nondet_String() [L566] char* s2 = build_nondet_String(); [L567] CALL, EXPR cstrpbrk(s1,s2) [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 [L554] EXPR, FCALL \read(*sc1) [L554] COND TRUE *sc1 != '\0' [L555] s = s2 [L556] EXPR, FCALL \read(*sc1) [L556] c = *sc1 [L557] EXPR, FCALL \read(*s) [L557] *s != '\0' && *s != (char)c [L557] COND FALSE !(*s != '\0' && *s != (char)c) [L559] EXPR, FCALL \read(*s) [L559] COND TRUE *s != c [L560] RET return (char *)sc1; [L567] EXPR cstrpbrk(s1,s2) [L567] EXPR, FCALL cstrpbrk(s1,s2) [L567] int res = *cstrpbrk(s1,s2); [L568] FCALL free(s1) [L569] FCALL free(s2) [L570] return res; - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_13-50-54-677.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_13-50-54-677.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_13-50-54-677.csv Received shutdown request...