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/mempurity-32bit-Automizer_Camel+AI_EQ_preciseopt.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 06:36:12,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 06:36:12,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 06:36:12,648 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 06:36:12,649 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 06:36:12,650 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 06:36:12,651 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 06:36:12,652 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 06:36:12,655 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 06:36:12,655 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 06:36:12,656 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 06:36:12,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 06:36:12,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 06:36:12,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 06:36:12,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 06:36:12,663 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 06:36:12,665 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 06:36:12,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 06:36:12,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 06:36:12,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 06:36:12,672 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 06:36:12,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 06:36:12,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 06:36:12,678 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ_preciseopt.epf [2018-01-21 06:36:12,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 06:36:12,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 06:36:12,688 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 06:36:12,689 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 06:36:12,689 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 06:36:12,689 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 06:36:12,689 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-21 06:36:12,689 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 06:36:12,689 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 06:36:12,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 06:36:12,690 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 06:36:12,690 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 06:36:12,690 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 06:36:12,690 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 06:36:12,690 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 06:36:12,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 06:36:12,691 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 06:36:12,691 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 06:36:12,691 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 06:36:12,691 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 06:36:12,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 06:36:12,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 06:36:12,692 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 06:36:12,692 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 06:36:12,692 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 06:36:12,692 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 06:36:12,692 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 06:36:12,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 06:36:12,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 06:36:12,693 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 06:36:12,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 06:36:12,693 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 06:36:12,693 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 06:36:12,693 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-21 06:36:12,693 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 06:36:12,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 06:36:12,694 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 06:36:12,694 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 06:36:12,694 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 06:36:12,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 06:36:12,740 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 06:36:12,744 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 06:36:12,745 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 06:36:12,745 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 06:36:12,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i [2018-01-21 06:36:12,916 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 06:36:12,919 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 06:36:12,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 06:36:12,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 06:36:12,925 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 06:36:12,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 06:36:12" (1/1) ... [2018-01-21 06:36:12,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726f39e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:12, skipping insertion in model container [2018-01-21 06:36:12,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 06:36:12" (1/1) ... [2018-01-21 06:36:12,943 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 06:36:12,981 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 06:36:13,094 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 06:36:13,111 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 06:36:13,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13 WrapperNode [2018-01-21 06:36:13,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 06:36:13,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 06:36:13,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 06:36:13,120 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 06:36:13,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13" (1/1) ... [2018-01-21 06:36:13,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13" (1/1) ... [2018-01-21 06:36:13,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13" (1/1) ... [2018-01-21 06:36:13,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13" (1/1) ... [2018-01-21 06:36:13,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13" (1/1) ... [2018-01-21 06:36:13,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13" (1/1) ... [2018-01-21 06:36:13,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13" (1/1) ... [2018-01-21 06:36:13,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 06:36:13,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 06:36:13,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 06:36:13,157 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 06:36:13,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:36:13" (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 [2018-01-21 06:36:13,202 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 06:36:13,202 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 06:36:13,202 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-21 06:36:13,202 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-01-21 06:36:13,202 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 06:36:13,203 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 06:36:13,203 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 06:36:13,203 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 06:36:13,203 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 06:36:13,203 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 06:36:13,203 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 06:36:13,203 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 06:36:13,204 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 06:36:13,204 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-21 06:36:13,204 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-01-21 06:36:13,204 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 06:36:13,204 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 06:36:13,204 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 06:36:13,384 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 06:36:13,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 06:36:13 BoogieIcfgContainer [2018-01-21 06:36:13,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 06:36:13,385 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-21 06:36:13,385 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-21 06:36:13,385 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-21 06:36:13,386 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 06:36:13" (1/1) ... [2018-01-21 06:36:13,436 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 06:36:17,090 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-21 06:36:17,098 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:36:17,101 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:36:17,101 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:36:17,106 INFO L268 AbstractInterpreter]: Visited 16 different actions 22 times. Merged at 6 different actions 6 times. Never widened. Never found a fixpoint. Largest state had 20 variables. [2018-01-21 06:36:17,107 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-21 06:36:17,108 INFO L168 Benchmark]: Toolchain (without parser) took 4191.63 ms. Allocated memory was 300.4 MB in the beginning and 728.8 MB in the end (delta: 428.3 MB). Free memory was 258.7 MB in the beginning and 392.8 MB in the end (delta: -134.1 MB). Peak memory consumption was 294.2 MB. Max. memory is 5.3 GB. [2018-01-21 06:36:17,109 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 300.4 MB. Free memory is still 264.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 06:36:17,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.55 ms. Allocated memory is still 300.4 MB. Free memory was 257.7 MB in the beginning and 247.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-21 06:36:17,110 INFO L168 Benchmark]: Boogie Preprocessor took 36.56 ms. Allocated memory is still 300.4 MB. Free memory was 247.7 MB in the beginning and 245.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 06:36:17,110 INFO L168 Benchmark]: RCFGBuilder took 228.09 ms. Allocated memory is still 300.4 MB. Free memory was 245.7 MB in the beginning and 230.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 5.3 GB. [2018-01-21 06:36:17,110 INFO L168 Benchmark]: Abstract Interpretation took 3722.02 ms. Allocated memory was 300.4 MB in the beginning and 728.8 MB in the end (delta: 428.3 MB). Free memory was 229.0 MB in the beginning and 392.8 MB in the end (delta: -163.9 MB). Peak memory consumption was 264.5 MB. Max. memory is 5.3 GB. [2018-01-21 06:36:17,113 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 300.4 MB. Free memory is still 264.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.55 ms. Allocated memory is still 300.4 MB. Free memory was 257.7 MB in the beginning and 247.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.56 ms. Allocated memory is still 300.4 MB. Free memory was 247.7 MB in the beginning and 245.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 228.09 ms. Allocated memory is still 300.4 MB. Free memory was 245.7 MB in the beginning and 230.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 3722.02 ms. Allocated memory was 300.4 MB in the beginning and 728.8 MB in the end (delta: 428.3 MB). Free memory was 229.0 MB in the beginning and 392.8 MB in the end (delta: -163.9 MB). Peak memory consumption was 264.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 14 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 92 LocStat_NO_SUPPORTING_DISEQUALITIES : 11 LocStat_NO_DISJUNCTIONS : -28 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 22 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 35 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 22 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 6.952320 RENAME_VARIABLES(MILLISECONDS) : 2.502998 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 6.874056 PROJECTAWAY(MILLISECONDS) : 0.369800 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.114722 DISJOIN(MILLISECONDS) : 0.869171 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 2.558778 ADD_EQUALITY(MILLISECONDS) : 0.019722 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.011686 #CONJOIN_DISJUNCTIVE : 41 #RENAME_VARIABLES : 65 #UNFREEZE : 0 #CONJOIN : 62 #PROJECTAWAY : 53 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 6 #RENAME_VARIABLES_DISJUNCTIVE : 65 #ADD_EQUALITY : 36 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 - UnprovableResult [Line: 1]: 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: - UnprovableResult [Line: 540]: 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 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] return nondetString; - PositiveResult [Line: 549]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - 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_mempurity-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-21_06-36-17-125.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-21_06-36-17-125.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-21_06-36-17-125.csv Received shutdown request...