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_preciseopt.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 00:33:16,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 00:33:16,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 00:33:16,879 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 00:33:16,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 00:33:16,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 00:33:16,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 00:33:16,883 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 00:33:16,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 00:33:16,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 00:33:16,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 00:33:16,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 00:33:16,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 00:33:16,887 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 00:33:16,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 00:33:16,890 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 00:33:16,892 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 00:33:16,894 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 00:33:16,895 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 00:33:16,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 00:33:16,899 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-25 00:33:16,899 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-25 00:33:16,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-25 00:33:16,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-25 00:33:16,901 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-25 00:33:16,902 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-25 00:33:16,903 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-25 00:33:16,903 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-25 00:33:16,904 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-25 00:33:16,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 00:33:16,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 00:33:16,905 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_preciseopt.epf [2018-01-25 00:33:16,914 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 00:33:16,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 00:33:16,915 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 00:33:16,916 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 00:33:16,916 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 00:33:16,916 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-25 00:33:16,916 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-25 00:33:16,916 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 00:33:16,917 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 00:33:16,917 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 00:33:16,917 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 00:33:16,918 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 00:33:16,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 00:33:16,918 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 00:33:16,918 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 00:33:16,918 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 00:33:16,919 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 00:33:16,919 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 00:33:16,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 00:33:16,919 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 00:33:16,919 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 00:33:16,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 00:33:16,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 00:33:16,920 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 00:33:16,920 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 00:33:16,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 00:33:16,921 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 00:33:16,921 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 00:33:16,921 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 00:33:16,921 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 00:33:16,921 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 00:33:16,921 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 00:33:16,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 00:33:16,922 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 00:33:16,923 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 00:33:16,923 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 00:33:16,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 00:33:16,970 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 00:33:16,975 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 00:33:16,976 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 00:33:16,977 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 00:33:16,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i [2018-01-25 00:33:17,147 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 00:33:17,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 00:33:17,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 00:33:17,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 00:33:17,159 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 00:33:17,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc7c49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17, skipping insertion in model container [2018-01-25 00:33:17,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,182 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 00:33:17,223 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 00:33:17,338 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 00:33:17,353 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 00:33:17,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17 WrapperNode [2018-01-25 00:33:17,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 00:33:17,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 00:33:17,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 00:33:17,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 00:33:17,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 00:33:17,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 00:33:17,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 00:33:17,396 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 00:33:17,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:33:17" (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 [2018-01-25 00:33:17,439 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 00:33:17,439 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 00:33:17,439 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-25 00:33:17,439 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-01-25 00:33:17,439 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 00:33:17,439 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 00:33:17,439 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 00:33:17,440 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 00:33:17,440 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 00:33:17,440 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 00:33:17,440 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-25 00:33:17,440 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-25 00:33:17,440 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 00:33:17,441 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-25 00:33:17,441 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-01-25 00:33:17,441 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 00:33:17,441 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 00:33:17,441 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 00:33:17,638 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 00:33:17,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 12:33:17 BoogieIcfgContainer [2018-01-25 00:33:17,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 00:33:17,640 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 00:33:17,640 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 00:33:17,640 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 00:33:17,641 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 12:33:17" (1/1) ... [2018-01-25 00:33:17,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 00:33:53,190 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 00:33:53,210 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 00:33:53,214 INFO L268 AbstractInterpreter]: Visited 54 different actions 266 times. Merged at 37 different actions 144 times. Never widened. Found 24 fixpoints after 10 different actions. Largest state had 26 variables. [2018-01-25 00:33:53,216 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 00:33:53,217 INFO L168 Benchmark]: Toolchain (without parser) took 36069.10 ms. Allocated memory was 305.7 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 265.7 MB in the beginning and 203.4 MB in the end (delta: 62.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. [2018-01-25 00:33:53,217 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 00:33:53,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.46 ms. Allocated memory is still 305.7 MB. Free memory was 264.7 MB in the beginning and 254.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-25 00:33:53,218 INFO L168 Benchmark]: Boogie Preprocessor took 35.01 ms. Allocated memory is still 305.7 MB. Free memory was 254.7 MB in the beginning and 252.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-25 00:33:53,218 INFO L168 Benchmark]: RCFGBuilder took 243.63 ms. Allocated memory is still 305.7 MB. Free memory was 252.7 MB in the beginning and 235.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-01-25 00:33:53,218 INFO L168 Benchmark]: Abstract Interpretation took 35576.14 ms. Allocated memory was 305.7 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 235.2 MB in the beginning and 203.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. [2018-01-25 00:33:53,220 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 206.46 ms. Allocated memory is still 305.7 MB. Free memory was 264.7 MB in the beginning and 254.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.01 ms. Allocated memory is still 305.7 MB. Free memory was 254.7 MB in the beginning and 252.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 243.63 ms. Allocated memory is still 305.7 MB. Free memory was 252.7 MB in the beginning and 235.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 35576.14 ms. Allocated memory was 305.7 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 235.2 MB in the beginning and 203.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 43 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 341 LocStat_NO_SUPPORTING_DISEQUALITIES : 43 LocStat_NO_DISJUNCTIONS : -86 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 62 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 101 TransStat_NO_SUPPORTING_DISEQUALITIES : 16 TransStat_NO_DISJUNCTIONS : 71 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.628104 RENAME_VARIABLES(MILLISECONDS) : 0.167922 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.604035 PROJECTAWAY(MILLISECONDS) : 0.243816 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.113209 DISJOIN(MILLISECONDS) : 0.097688 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.185175 ADD_EQUALITY(MILLISECONDS) : 0.046765 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.008732 #CONJOIN_DISJUNCTIVE : 423 #RENAME_VARIABLES : 960 #UNFREEZE : 0 #CONJOIN : 687 #PROJECTAWAY : 593 #ADD_WEAK_EQUALITY : 6 #DISJOIN : 106 #RENAME_VARIABLES_DISJUNCTIVE : 894 #ADD_EQUALITY : 94 #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] 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: [L556] 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; [L556] EXPR build_nondet_String() [L556] char* s = build_nondet_String(); [L557] CALL cstrchr(s,__VERIFIER_nondet_int()) [L551] 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] 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; [L556] EXPR build_nondet_String() [L556] char* s = build_nondet_String(); [L557] CALL cstrchr(s,__VERIFIER_nondet_int()) [L551] EXPR, FCALL \read(*s) [L551] *s != '\0' && *s != (char)c [L551] 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] 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; [L556] EXPR build_nondet_String() [L556] char* s = build_nondet_String(); [L557] CALL cstrchr(s,__VERIFIER_nondet_int()) [L551] EXPR, FCALL \read(*s) [L551] *s != '\0' && *s != (char)c [L551] COND FALSE !(*s != '\0' && *s != (char)c) [L553] 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] 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; [L556] EXPR build_nondet_String() [L556] char* s = build_nondet_String(); [L557] CALL cstrchr(s,__VERIFIER_nondet_int()) [L551] EXPR, FCALL \read(*s) [L551] *s != '\0' && *s != (char)c [L551] COND FALSE !(*s != '\0' && *s != (char)c) [L553] EXPR, FCALL \read(*s) [L553] COND FALSE, EXPR !((*s == c) ? (char *) s : 0) [L553] RET return ( (*s == c) ? (char *) s : 0 ); [L557] cstrchr(s,__VERIFIER_nondet_int()) [L557] FCALL cstrchr(s,__VERIFIER_nondet_int()) - 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] 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; [L556] EXPR build_nondet_String() [L556] char* s = build_nondet_String(); [L557] CALL cstrchr(s,__VERIFIER_nondet_int()) [L551] EXPR, FCALL \read(*s) [L551] *s != '\0' && *s != (char)c [L551] COND FALSE !(*s != '\0' && *s != (char)c) [L553] EXPR, FCALL \read(*s) [L553] COND FALSE, EXPR !((*s == c) ? (char *) s : 0) [L553] RET return ( (*s == c) ? (char *) s : 0 ); [L557] cstrchr(s,__VERIFIER_nondet_int()) [L557] FCALL cstrchr(s,__VERIFIER_nondet_int()) - 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] 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; [L556] EXPR build_nondet_String() [L556] char* s = build_nondet_String(); [L557] CALL, EXPR cstrchr(s,__VERIFIER_nondet_int()) [L551] EXPR, FCALL \read(*s) [L551] *s != '\0' && *s != (char)c [L551] COND FALSE !(*s != '\0' && *s != (char)c) [L553] EXPR, FCALL \read(*s) [L553] COND TRUE, EXPR (*s == c) ? (char *) s : 0 [L553] RET return ( (*s == c) ? (char *) s : 0 ); [L557] EXPR cstrchr(s,__VERIFIER_nondet_int()) [L557] EXPR, FCALL cstrchr(s,__VERIFIER_nondet_int()) [L557] int res = *cstrchr(s,__VERIFIER_nondet_int()); [L558] FCALL free(s) [L559] return res; - 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]: 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]: 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/cstrchr_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_00-33-53-230.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_00-33-53-230.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_00-33-53-230.csv Received shutdown request...