/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:57:45,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:57:45,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 03:57:45,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:57:45,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:57:45,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:57:45,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:57:45,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:57:45,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:57:45,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:57:45,929 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:57:45,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:57:45,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:57:45,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:57:45,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:57:45,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:57:45,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:57:45,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:57:45,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:57:45,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:57:45,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:57:45,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:57:45,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:57:45,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:57:45,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:57:45,934 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:57:45,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:57:45,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:57:45,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:57:45,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:57:45,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:57:45,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:57:45,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:57:45,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:57:45,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:57:45,937 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:57:46,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:57:46,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:57:46,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:57:46,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:57:46,264 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:57:46,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-08-25 03:57:47,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:57:47,833 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:57:47,834 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-08-25 03:57:47,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07301e46f/4860c72e674c4938b663c7a265033827/FLAG809e6e84b [2023-08-25 03:57:47,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07301e46f/4860c72e674c4938b663c7a265033827 [2023-08-25 03:57:47,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:57:47,882 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:57:47,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:57:47,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:57:47,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:57:47,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:57:47" (1/1) ... [2023-08-25 03:57:47,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f81a98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:47, skipping insertion in model container [2023-08-25 03:57:47,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:57:47" (1/1) ... [2023-08-25 03:57:47,940 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:57:48,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:57:48,448 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:57:48,472 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-25 03:57:48,481 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-25 03:57:48,486 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [730] [2023-08-25 03:57:48,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:57:48,583 WARN L669 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 03:57:48,589 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:57:48,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48 WrapperNode [2023-08-25 03:57:48,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:57:48,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:57:48,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:57:48,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:57:48,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,665 INFO L138 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2023-08-25 03:57:48,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:57:48,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:57:48,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:57:48,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:57:48,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:57:48,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:57:48,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:57:48,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:57:48,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (1/1) ... [2023-08-25 03:57:48,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:57:48,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:57:48,762 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) [2023-08-25 03:57:48,774 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 [2023-08-25 03:57:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-08-25 03:57:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-08-25 03:57:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-08-25 03:57:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-08-25 03:57:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-08-25 03:57:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:57:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:57:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:57:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:57:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:57:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:57:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:57:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:57:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:57:48,810 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 03:57:49,048 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:57:49,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:57:49,217 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:57:49,223 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:57:49,224 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:57:49,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:57:49 BoogieIcfgContainer [2023-08-25 03:57:49,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:57:49,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:57:49,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:57:49,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:57:49,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:57:47" (1/3) ... [2023-08-25 03:57:49,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a6372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:57:49, skipping insertion in model container [2023-08-25 03:57:49,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:48" (2/3) ... [2023-08-25 03:57:49,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a6372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:57:49, skipping insertion in model container [2023-08-25 03:57:49,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:57:49" (3/3) ... [2023-08-25 03:57:49,232 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-08-25 03:57:49,246 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:57:49,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-25 03:57:49,246 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:57:49,296 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 03:57:49,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 125 transitions, 266 flow [2023-08-25 03:57:49,366 INFO L124 PetriNetUnfolderBase]: 2/123 cut-off events. [2023-08-25 03:57:49,367 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 03:57:49,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 123 events. 2/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 133 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2023-08-25 03:57:49,372 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 125 transitions, 266 flow [2023-08-25 03:57:49,376 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 114 transitions, 237 flow [2023-08-25 03:57:49,379 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:57:49,387 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 114 transitions, 237 flow [2023-08-25 03:57:49,389 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 114 transitions, 237 flow [2023-08-25 03:57:49,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 114 transitions, 237 flow [2023-08-25 03:57:49,414 INFO L124 PetriNetUnfolderBase]: 2/114 cut-off events. [2023-08-25 03:57:49,414 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-25 03:57:49,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 114 events. 2/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 133 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2023-08-25 03:57:49,417 INFO L119 LiptonReduction]: Number of co-enabled transitions 3172 [2023-08-25 03:57:53,278 INFO L134 LiptonReduction]: Checked pairs total: 9482 [2023-08-25 03:57:53,279 INFO L136 LiptonReduction]: Total number of compositions: 90 [2023-08-25 03:57:53,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:57:53,295 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@2c5d4b6e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:57:53,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-08-25 03:57:53,299 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:57:53,299 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2023-08-25 03:57:53,299 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:53,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:53,300 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-25 03:57:53,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2023-08-25 03:57:53,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:53,304 INFO L85 PathProgramCache]: Analyzing trace with hash 411349780, now seen corresponding path program 1 times [2023-08-25 03:57:53,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:53,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167750563] [2023-08-25 03:57:53,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:53,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:57:53,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:53,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167750563] [2023-08-25 03:57:53,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167750563] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:53,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:53,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 03:57:53,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87152857] [2023-08-25 03:57:53,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:53,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 03:57:53,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:53,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 03:57:53,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 03:57:53,655 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 215 [2023-08-25 03:57:53,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 87 flow. Second operand has 2 states, 2 states have (on average 120.5) internal successors, (241), 2 states have internal predecessors, (241), 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) [2023-08-25 03:57:53,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:53,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 215 [2023-08-25 03:57:53,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:53,788 INFO L124 PetriNetUnfolderBase]: 240/530 cut-off events. [2023-08-25 03:57:53,789 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-08-25 03:57:53,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 530 events. 240/530 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2674 event pairs, 240 based on Foata normal form. 40/501 useless extension candidates. Maximal degree in co-relation 915. Up to 440 conditions per place. [2023-08-25 03:57:53,799 INFO L140 encePairwiseOnDemand]: 211/215 looper letters, 23 selfloop transitions, 0 changer transitions 0/34 dead transitions. [2023-08-25 03:57:53,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 123 flow [2023-08-25 03:57:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 03:57:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 03:57:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 263 transitions. [2023-08-25 03:57:53,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6116279069767442 [2023-08-25 03:57:53,818 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 263 transitions. [2023-08-25 03:57:53,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 263 transitions. [2023-08-25 03:57:53,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:53,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 263 transitions. [2023-08-25 03:57:53,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 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) [2023-08-25 03:57:53,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2023-08-25 03:57:53,831 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2023-08-25 03:57:53,833 INFO L175 Difference]: Start difference. First operand has 44 places, 39 transitions, 87 flow. Second operand 2 states and 263 transitions. [2023-08-25 03:57:53,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 123 flow [2023-08-25 03:57:53,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 34 transitions, 118 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 03:57:53,837 INFO L231 Difference]: Finished difference. Result has 39 places, 34 transitions, 72 flow [2023-08-25 03:57:53,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=72, PETRI_PLACES=39, PETRI_TRANSITIONS=34} [2023-08-25 03:57:53,841 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -5 predicate places. [2023-08-25 03:57:53,841 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 34 transitions, 72 flow [2023-08-25 03:57:53,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 120.5) internal successors, (241), 2 states have internal predecessors, (241), 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) [2023-08-25 03:57:53,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:53,842 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 03:57:53,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:57:53,843 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2023-08-25 03:57:53,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:53,844 INFO L85 PathProgramCache]: Analyzing trace with hash -133884595, now seen corresponding path program 1 times [2023-08-25 03:57:53,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:53,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013856368] [2023-08-25 03:57:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:57:53,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:53,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013856368] [2023-08-25 03:57:53,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013856368] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:53,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:53,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:57:53,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171678443] [2023-08-25 03:57:53,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:53,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:57:53,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:53,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:57:53,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:57:53,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 215 [2023-08-25 03:57:53,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2023-08-25 03:57:53,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:53,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 215 [2023-08-25 03:57:53,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:54,110 INFO L124 PetriNetUnfolderBase]: 636/1122 cut-off events. [2023-08-25 03:57:54,111 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:54,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2275 conditions, 1122 events. 636/1122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4885 event pairs, 516 based on Foata normal form. 0/899 useless extension candidates. Maximal degree in co-relation 2272. Up to 974 conditions per place. [2023-08-25 03:57:54,117 INFO L140 encePairwiseOnDemand]: 209/215 looper letters, 45 selfloop transitions, 5 changer transitions 0/51 dead transitions. [2023-08-25 03:57:54,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 51 transitions, 208 flow [2023-08-25 03:57:54,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:57:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:57:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2023-08-25 03:57:54,121 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5488372093023256 [2023-08-25 03:57:54,121 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 354 transitions. [2023-08-25 03:57:54,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 354 transitions. [2023-08-25 03:57:54,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:54,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 354 transitions. [2023-08-25 03:57:54,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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) [2023-08-25 03:57:54,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 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) [2023-08-25 03:57:54,127 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 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) [2023-08-25 03:57:54,127 INFO L175 Difference]: Start difference. First operand has 39 places, 34 transitions, 72 flow. Second operand 3 states and 354 transitions. [2023-08-25 03:57:54,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 51 transitions, 208 flow [2023-08-25 03:57:54,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 51 transitions, 208 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:57:54,128 INFO L231 Difference]: Finished difference. Result has 43 places, 38 transitions, 110 flow [2023-08-25 03:57:54,129 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=43, PETRI_TRANSITIONS=38} [2023-08-25 03:57:54,130 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2023-08-25 03:57:54,130 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 38 transitions, 110 flow [2023-08-25 03:57:54,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2023-08-25 03:57:54,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:54,134 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:54,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:57:54,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2023-08-25 03:57:54,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:54,142 INFO L85 PathProgramCache]: Analyzing trace with hash 170129561, now seen corresponding path program 1 times [2023-08-25 03:57:54,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:54,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708103067] [2023-08-25 03:57:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:57:54,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:54,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708103067] [2023-08-25 03:57:54,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708103067] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:54,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:54,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:57:54,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643691696] [2023-08-25 03:57:54,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:54,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:57:54,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:54,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:57:54,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:57:54,198 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 215 [2023-08-25 03:57:54,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 38 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2023-08-25 03:57:54,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:54,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 215 [2023-08-25 03:57:54,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:54,411 INFO L124 PetriNetUnfolderBase]: 757/1343 cut-off events. [2023-08-25 03:57:54,411 INFO L125 PetriNetUnfolderBase]: For 249/249 co-relation queries the response was YES. [2023-08-25 03:57:54,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3059 conditions, 1343 events. 757/1343 cut-off events. For 249/249 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 6455 event pairs, 327 based on Foata normal form. 0/1130 useless extension candidates. Maximal degree in co-relation 3054. Up to 749 conditions per place. [2023-08-25 03:57:54,418 INFO L140 encePairwiseOnDemand]: 206/215 looper letters, 60 selfloop transitions, 9 changer transitions 0/70 dead transitions. [2023-08-25 03:57:54,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 70 transitions, 341 flow [2023-08-25 03:57:54,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:57:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:57:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2023-08-25 03:57:54,420 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5782945736434109 [2023-08-25 03:57:54,420 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 373 transitions. [2023-08-25 03:57:54,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions. [2023-08-25 03:57:54,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:54,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions. [2023-08-25 03:57:54,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2023-08-25 03:57:54,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 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) [2023-08-25 03:57:54,423 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 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) [2023-08-25 03:57:54,424 INFO L175 Difference]: Start difference. First operand has 43 places, 38 transitions, 110 flow. Second operand 3 states and 373 transitions. [2023-08-25 03:57:54,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 70 transitions, 341 flow [2023-08-25 03:57:54,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 70 transitions, 323 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 03:57:54,427 INFO L231 Difference]: Finished difference. Result has 45 places, 46 transitions, 180 flow [2023-08-25 03:57:54,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=45, PETRI_TRANSITIONS=46} [2023-08-25 03:57:54,428 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 1 predicate places. [2023-08-25 03:57:54,428 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 46 transitions, 180 flow [2023-08-25 03:57:54,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2023-08-25 03:57:54,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:54,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:54,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:57:54,429 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting f2Err1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 13 more)] === [2023-08-25 03:57:54,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:54,429 INFO L85 PathProgramCache]: Analyzing trace with hash 979049524, now seen corresponding path program 1 times [2023-08-25 03:57:54,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:54,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082730300] [2023-08-25 03:57:54,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:54,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:57:54,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:57:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:57:54,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:57:54,490 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:57:54,491 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err1ASSERT_VIOLATIONASSERT (15 of 16 remaining) [2023-08-25 03:57:54,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2023-08-25 03:57:54,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2023-08-25 03:57:54,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 16 remaining) [2023-08-25 03:57:54,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 16 remaining) [2023-08-25 03:57:54,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2023-08-25 03:57:54,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err1ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2023-08-25 03:57:54,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err2ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2023-08-25 03:57:54,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2023-08-25 03:57:54,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err1ASSERT_VIOLATIONASSERT (6 of 16 remaining) [2023-08-25 03:57:54,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2023-08-25 03:57:54,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2023-08-25 03:57:54,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2023-08-25 03:57:54,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2023-08-25 03:57:54,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2023-08-25 03:57:54,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err2ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2023-08-25 03:57:54,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 03:57:54,495 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-25 03:57:54,499 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:57:54,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:57:54,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:57:54 BasicIcfg [2023-08-25 03:57:54,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:57:54,520 INFO L158 Benchmark]: Toolchain (without parser) took 6637.96ms. Allocated memory was 358.6MB in the beginning and 432.0MB in the end (delta: 73.4MB). Free memory was 333.1MB in the beginning and 367.0MB in the end (delta: -33.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.0GB. [2023-08-25 03:57:54,520 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 358.6MB. Free memory is still 335.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:57:54,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.96ms. Allocated memory is still 358.6MB. Free memory was 332.6MB in the beginning and 294.7MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-08-25 03:57:54,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.08ms. Allocated memory is still 358.6MB. Free memory was 294.7MB in the beginning and 291.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:57:54,521 INFO L158 Benchmark]: Boogie Preprocessor took 59.52ms. Allocated memory is still 358.6MB. Free memory was 291.5MB in the beginning and 288.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:57:54,522 INFO L158 Benchmark]: RCFGBuilder took 498.95ms. Allocated memory is still 358.6MB. Free memory was 288.9MB in the beginning and 316.7MB in the end (delta: -27.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.0GB. [2023-08-25 03:57:54,522 INFO L158 Benchmark]: TraceAbstraction took 5292.53ms. Allocated memory was 358.6MB in the beginning and 432.0MB in the end (delta: 73.4MB). Free memory was 315.7MB in the beginning and 367.0MB in the end (delta: -51.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-08-25 03:57:54,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 358.6MB. Free memory is still 335.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 706.96ms. Allocated memory is still 358.6MB. Free memory was 332.6MB in the beginning and 294.7MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 74.08ms. Allocated memory is still 358.6MB. Free memory was 294.7MB in the beginning and 291.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 59.52ms. Allocated memory is still 358.6MB. Free memory was 291.5MB in the beginning and 288.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 498.95ms. Allocated memory is still 358.6MB. Free memory was 288.9MB in the beginning and 316.7MB in the end (delta: -27.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.0GB. * TraceAbstraction took 5292.53ms. Allocated memory was 358.6MB in the beginning and 432.0MB in the end (delta: 73.4MB). Free memory was 315.7MB in the beginning and 367.0MB in the end (delta: -51.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] - GenericResultAtLocation [Line: 730]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [730] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 119 PlacesBefore, 44 PlacesAfterwards, 114 TransitionsBefore, 39 TransitionsAfterwards, 3172 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 90 TotalNumberOfCompositions, 9482 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4146, independent: 3823, independent conditional: 0, independent unconditional: 3823, dependent: 323, dependent conditional: 0, dependent unconditional: 323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1700, independent: 1650, independent conditional: 0, independent unconditional: 1650, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4146, independent: 2173, independent conditional: 0, independent unconditional: 2173, dependent: 273, dependent conditional: 0, dependent unconditional: 273, unknown: 1700, unknown conditional: 0, unknown unconditional: 1700] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 202, Positive conditional cache size: 0, Positive unconditional cache size: 202, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: assertion can be violated assertion can be violated We found a FailurePath: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1151:1150}, argv={1151:1150}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-2, ptr={0:0}, t1={6:0}, t2={5:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1151:1150}, argv={1151:1150}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=-1, ptr={0:0}, t1={6:0}, t2={5:0}] [L1365] EXPR 2 g == 0 [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) [L19] CALL 2 reach_error() [L18] COND FALSE 2 !(0) [L18] 2 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [cond={4:0}, g=0, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1378]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1379]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1358]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1359]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1365]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 178 locations, 16 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 18 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 proved your program to be incorrect! [2023-08-25 03:57:54,544 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...