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_imprecise.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrpbrk-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:21:43,904 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:21:43,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:21:43,920 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:21:43,920 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:21:43,921 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:21:43,923 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:21:43,924 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:21:43,927 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:21:43,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:21:43,928 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:21:43,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:21:43,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:21:43,930 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:21:43,930 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:21:43,933 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:21:43,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:21:43,938 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:21:43,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:21:43,940 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:21:43,943 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 16:21:43,943 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 16:21:43,943 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 16:21:43,944 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 16:21:43,945 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 16:21:43,947 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 16:21:43,947 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 16:21:43,947 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 16:21:43,948 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 16:21:43,948 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:21:43,949 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:21:43,949 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_imprecise.epf [2018-01-24 16:21:43,959 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:21:43,960 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:21:43,960 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:21:43,961 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:21:43,961 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:21:43,961 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:21:43,961 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:21:43,961 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:21:43,962 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:21:43,962 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:21:43,963 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:21:43,963 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:21:43,963 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:21:43,963 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:21:43,963 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:21:43,964 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:21:43,964 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:21:43,964 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:21:43,964 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:21:43,964 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:21:43,965 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:21:43,965 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:21:43,965 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:21:43,965 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:21:43,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:21:43,966 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:21:43,966 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:21:43,966 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:21:43,966 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:21:43,967 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:21:43,967 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:21:43,967 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:21:43,967 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:21:43,968 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:21:43,968 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:21:44,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:21:44,019 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:21:44,023 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:21:44,025 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:21:44,026 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:21:44,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-01-24 16:21:44,211 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:21:44,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:21:44,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:21:44,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:21:44,226 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:21:44,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577bb5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44, skipping insertion in model container [2018-01-24 16:21:44,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,250 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:21:44,293 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:21:44,410 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:21:44,427 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:21:44,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44 WrapperNode [2018-01-24 16:21:44,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:21:44,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:21:44,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:21:44,435 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:21:44,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:21:44,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:21:44,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:21:44,473 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:21:44,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:44" (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 16:21:44,524 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:21:44,524 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:21:44,525 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-01-24 16:21:44,525 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:21:44,525 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:21:44,525 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:21:44,525 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:21:44,525 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:21:44,525 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:21:44,526 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:21:44,526 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-01-24 16:21:44,526 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:21:44,526 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:21:44,526 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:21:44,779 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:21:44,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:21:44 BoogieIcfgContainer [2018-01-24 16:21:44,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:21:44,780 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:21:44,780 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:21:44,780 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:21:44,781 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:21:44" (1/1) ... [2018-01-24 16:21:44,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:21:47,786 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:21:47,814 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:21:47,818 INFO L268 AbstractInterpreter]: Visited 65 different actions 703 times. Merged at 48 different actions 376 times. Widened at 1 different actions 1 times. Found 74 fixpoints after 17 different actions. Largest state had 35 variables. [2018-01-24 16:21:47,821 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:21:47,823 INFO L168 Benchmark]: Toolchain (without parser) took 3610.99 ms. Allocated memory was 299.9 MB in the beginning and 465.0 MB in the end (delta: 165.2 MB). Free memory was 259.9 MB in the beginning and 286.0 MB in the end (delta: -26.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:47,823 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 299.9 MB. Free memory is still 265.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:21:47,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.07 ms. Allocated memory is still 299.9 MB. Free memory was 258.9 MB in the beginning and 248.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:47,824 INFO L168 Benchmark]: Boogie Preprocessor took 37.22 ms. Allocated memory is still 299.9 MB. Free memory was 248.7 MB in the beginning and 246.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:47,825 INFO L168 Benchmark]: RCFGBuilder took 306.91 ms. Allocated memory is still 299.9 MB. Free memory was 246.7 MB in the beginning and 227.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:47,825 INFO L168 Benchmark]: Abstract Interpretation took 3041.65 ms. Allocated memory was 299.9 MB in the beginning and 465.0 MB in the end (delta: 165.2 MB). Free memory was 227.1 MB in the beginning and 286.0 MB in the end (delta: -58.9 MB). Peak memory consumption was 106.3 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:47,827 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 299.9 MB. Free memory is still 265.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 216.07 ms. Allocated memory is still 299.9 MB. Free memory was 258.9 MB in the beginning and 248.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.22 ms. Allocated memory is still 299.9 MB. Free memory was 248.7 MB in the beginning and 246.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 306.91 ms. Allocated memory is still 299.9 MB. Free memory was 246.7 MB in the beginning and 227.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 3041.65 ms. Allocated memory was 299.9 MB in the beginning and 465.0 MB in the end (delta: 165.2 MB). Free memory was 227.1 MB in the beginning and 286.0 MB in the end (delta: -58.9 MB). Peak memory consumption was 106.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 51 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 589 LocStat_NO_SUPPORTING_DISEQUALITIES : 145 LocStat_NO_DISJUNCTIONS : -102 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 71 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 101 TransStat_NO_SUPPORTING_DISEQUALITIES : 16 TransStat_NO_DISJUNCTIONS : 78 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.269939 RENAME_VARIABLES(MILLISECONDS) : 0.205902 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.248400 PROJECTAWAY(MILLISECONDS) : 0.135551 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001802 DISJOIN(MILLISECONDS) : 0.296350 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.229705 ADD_EQUALITY(MILLISECONDS) : 0.018042 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.008744 #CONJOIN_DISJUNCTIVE : 1113 #RENAME_VARIABLES : 2536 #UNFREEZE : 0 #CONJOIN : 1601 #PROJECTAWAY : 1422 #ADD_WEAK_EQUALITY : 11 #DISJOIN : 277 #RENAME_VARIABLES_DISJUNCTIVE : 2408 #ADD_EQUALITY : 103 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 14 - 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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\0' [L567] FCALL nondetString2[length2-1] = '\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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\0' [L567] FCALL nondetString2[length2-1] = '\0' [L568] CALL cstrpbrk(nondetString1,nondetString2) [L542] const char *sc1; [L543] const char *s; [L544] int c; [L545] sc1 = s1 [L545] 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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\0' [L567] FCALL nondetString2[length2-1] = '\0' [L568] CALL cstrpbrk(nondetString1,nondetString2) [L542] const char *sc1; [L543] const char *s; [L544] int c; [L545] sc1 = s1 [L545] EXPR, FCALL \read(*sc1) [L545] COND TRUE *sc1 != '\0' [L546] s = s2 [L547] 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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\0' [L567] FCALL nondetString2[length2-1] = '\0' [L568] CALL cstrpbrk(nondetString1,nondetString2) [L542] const char *sc1; [L543] const char *s; [L544] int c; [L545] sc1 = s1 [L545] EXPR, FCALL \read(*sc1) [L545] COND TRUE *sc1 != '\0' [L546] s = s2 [L547] EXPR, FCALL \read(*sc1) [L547] c = *sc1 [L548] 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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\0' [L567] FCALL nondetString2[length2-1] = '\0' [L568] CALL cstrpbrk(nondetString1,nondetString2) [L542] const char *sc1; [L543] const char *s; [L544] int c; [L545] sc1 = s1 [L545] EXPR, FCALL \read(*sc1) [L545] COND TRUE *sc1 != '\0' [L546] s = s2 [L547] EXPR, FCALL \read(*sc1) [L547] c = *sc1 [L548] EXPR, FCALL \read(*s) [L548] *s != '\0' && *s != (char)c [L548] 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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\0' [L567] FCALL nondetString2[length2-1] = '\0' [L568] CALL cstrpbrk(nondetString1,nondetString2) [L542] const char *sc1; [L543] const char *s; [L544] int c; [L545] sc1 = s1 [L545] EXPR, FCALL \read(*sc1) [L545] COND TRUE *sc1 != '\0' [L546] s = s2 [L547] EXPR, FCALL \read(*sc1) [L547] c = *sc1 [L548] EXPR, FCALL \read(*s) [L548] *s != '\0' && *s != (char)c [L548] COND FALSE !(*s != '\0' && *s != (char)c) [L550] FCALL \read(*s) - UnprovableResult [Line: 555]: 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: [L556] int length1 = __VERIFIER_nondet_int(); [L557] int length2 = __VERIFIER_nondet_int(); [L558] COND TRUE length1 < 1 [L559] length1 = 1 [L561] COND TRUE length2 < 1 [L562] length2 = 1 [L564] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L564] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L565] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L565] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L566] FCALL nondetString1[length1-1] = '\0' [L567] FCALL nondetString2[length2-1] = '\0' [L568] CALL cstrpbrk(nondetString1,nondetString2) [L542] const char *sc1; [L543] const char *s; [L544] int c; [L545] sc1 = s1 [L545] EXPR, FCALL \read(*sc1) [L545] COND FALSE !(*sc1 != '\0') [L553] RET return 0; [L568] cstrpbrk(nondetString1,nondetString2) [L569] return 0; - 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]: 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-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-21-47-838.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-21-47-838.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-21-47-838.csv Received shutdown request...