/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-regression/test12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 01:33:37,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 01:33:37,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 01:33:37,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 01:33:38,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 01:33:38,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 01:33:38,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 01:33:38,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 01:33:38,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 01:33:38,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 01:33:38,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 01:33:38,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 01:33:38,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 01:33:38,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 01:33:38,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 01:33:38,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 01:33:38,119 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 01:33:38,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 01:33:38,119 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 01:33:38,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 01:33:38,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 01:33:38,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 01:33:38,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 01:33:38,121 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 01:33:38,121 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 01:33:38,121 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 01:33:38,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 01:33:38,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 01:33:38,122 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 01:33:38,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 01:33:38,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 01:33:38,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 01:33:38,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 01:33:38,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:33:38,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 01:33:38,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 01:33:38,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 01:33:38,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 01:33:38,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 01:33:38,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 01:33:38,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 01:33:38,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 01:33:38,523 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 01:33:38,524 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 01:33:38,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test12.c [2022-10-16 01:33:38,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b94f6575/8ebabac1e2c9498295b1b24c8bb2458f/FLAG221c8f92a [2022-10-16 01:33:39,361 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 01:33:39,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test12.c [2022-10-16 01:33:39,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b94f6575/8ebabac1e2c9498295b1b24c8bb2458f/FLAG221c8f92a [2022-10-16 01:33:39,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b94f6575/8ebabac1e2c9498295b1b24c8bb2458f [2022-10-16 01:33:39,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 01:33:39,767 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 01:33:39,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 01:33:39,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 01:33:39,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 01:33:39,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:33:39" (1/1) ... [2022-10-16 01:33:39,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5625798f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:39, skipping insertion in model container [2022-10-16 01:33:39,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:33:39" (1/1) ... [2022-10-16 01:33:39,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 01:33:39,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 01:33:40,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test12.c[377,390] [2022-10-16 01:33:40,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:33:40,085 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 01:33:40,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test12.c[377,390] [2022-10-16 01:33:40,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:33:40,124 INFO L208 MainTranslator]: Completed translation [2022-10-16 01:33:40,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40 WrapperNode [2022-10-16 01:33:40,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 01:33:40,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 01:33:40,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 01:33:40,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 01:33:40,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,176 INFO L138 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2022-10-16 01:33:40,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 01:33:40,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 01:33:40,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 01:33:40,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 01:33:40,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,207 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 01:33:40,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 01:33:40,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 01:33:40,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 01:33:40,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (1/1) ... [2022-10-16 01:33:40,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:33:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:33:40,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 01:33:40,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 01:33:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 01:33:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 01:33:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 01:33:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 01:33:40,400 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 01:33:40,403 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 01:33:40,522 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 01:33:40,529 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 01:33:40,529 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 01:33:40,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:33:40 BoogieIcfgContainer [2022-10-16 01:33:40,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 01:33:40,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 01:33:40,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 01:33:40,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 01:33:40,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:33:39" (1/3) ... [2022-10-16 01:33:40,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3105740a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:33:40, skipping insertion in model container [2022-10-16 01:33:40,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:33:40" (2/3) ... [2022-10-16 01:33:40,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3105740a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:33:40, skipping insertion in model container [2022-10-16 01:33:40,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:33:40" (3/3) ... [2022-10-16 01:33:40,546 INFO L112 eAbstractionObserver]: Analyzing ICFG test12.c [2022-10-16 01:33:40,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 01:33:40,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 01:33:40,633 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 01:33:40,643 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e009db4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 01:33:40,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 01:33:40,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 01:33:40,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 01:33:40,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:33:40,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 01:33:40,658 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:33:40,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:33:40,665 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-10-16 01:33:40,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:33:40,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597604559] [2022-10-16 01:33:40,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:33:40,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:33:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 01:33:40,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 01:33:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 01:33:40,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 01:33:40,849 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 01:33:40,850 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-16 01:33:40,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-16 01:33:40,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 01:33:40,860 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-16 01:33:40,866 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 01:33:40,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:33:40 BoogieIcfgContainer [2022-10-16 01:33:40,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 01:33:40,892 INFO L158 Benchmark]: Toolchain (without parser) took 1128.92ms. Allocated memory is still 151.0MB. Free memory was 125.0MB in the beginning and 123.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.9MB. Max. memory is 8.0GB. [2022-10-16 01:33:40,892 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 121.4MB in the end (delta: 80.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 01:33:40,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.09ms. Allocated memory is still 151.0MB. Free memory was 124.7MB in the beginning and 115.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 01:33:40,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.58ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 114.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 01:33:40,895 INFO L158 Benchmark]: Boogie Preprocessor took 32.90ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 113.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 01:33:40,896 INFO L158 Benchmark]: RCFGBuilder took 319.34ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 104.1MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 01:33:40,897 INFO L158 Benchmark]: TraceAbstraction took 355.29ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 123.2MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 01:33:40,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 121.4MB in the end (delta: 80.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 355.09ms. Allocated memory is still 151.0MB. Free memory was 124.7MB in the beginning and 115.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.58ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 114.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.90ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 113.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 319.34ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 104.1MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 355.29ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 123.2MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L16] int a, b; VAL [a={4:0}, b={5:0}] [L19] CALL equal(&a, &b) [L7] COND TRUE a != b VAL [a={4:0}, a={4:0}, a={4:0}, b={5:0}, b={5:0}, b={5:0}] [L12] reach_error() VAL [a={4:0}, a={4:0}, a={4:0}, b={5:0}, b={5:0}, b={5:0}] - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 01:33:40,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...