/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/36-apron_11-traces-max-simple_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 04:30:14,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 04:30:14,474 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 04:30:14,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 04:30:14,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 04:30:14,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 04:30:14,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 04:30:14,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 04:30:14,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 04:30:14,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 04:30:14,522 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 04:30:14,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 04:30:14,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 04:30:14,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 04:30:14,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 04:30:14,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 04:30:14,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 04:30:14,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 04:30:14,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 04:30:14,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 04:30:14,525 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 04:30:14,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 04:30:14,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 04:30:14,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 04:30:14,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 04:30:14,527 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 04:30:14,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 04:30:14,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:30:14,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 04:30:14,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 04:30:14,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 04:30:14,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 04:30:14,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 04:30:14,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 04:30:14,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 04:30:14,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 04:30:14,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 04:30:14,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 04:30:14,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 04:30:14,858 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 04:30:14,858 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 04:30:14,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2023-08-25 04:30:16,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 04:30:16,384 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 04:30:16,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2023-08-25 04:30:16,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a040b05/ccdd2af250684594a6241998782078c9/FLAG45abdb99e [2023-08-25 04:30:16,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a040b05/ccdd2af250684594a6241998782078c9 [2023-08-25 04:30:16,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 04:30:16,417 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 04:30:16,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 04:30:16,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 04:30:16,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 04:30:16,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475991be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16, skipping insertion in model container [2023-08-25 04:30:16,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,474 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 04:30:16,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:30:16,808 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 04:30:16,834 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-25 04:30:16,836 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-25 04:30:16,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:30:16,888 INFO L206 MainTranslator]: Completed translation [2023-08-25 04:30:16,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16 WrapperNode [2023-08-25 04:30:16,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 04:30:16,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 04:30:16,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 04:30:16,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 04:30:16,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,932 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 72 [2023-08-25 04:30:16,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 04:30:16,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 04:30:16,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 04:30:16,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 04:30:16,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 04:30:16,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 04:30:16,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 04:30:16,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 04:30:16,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (1/1) ... [2023-08-25 04:30:16,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:30:16,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:30:16,998 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 04:30:17,003 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 04:30:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 04:30:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 04:30:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 04:30:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 04:30:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 04:30:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 04:30:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 04:30:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 04:30:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 04:30:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 04:30:17,038 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 04:30:17,139 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 04:30:17,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 04:30:17,317 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 04:30:17,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 04:30:17,323 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 04:30:17,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:30:17 BoogieIcfgContainer [2023-08-25 04:30:17,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 04:30:17,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 04:30:17,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 04:30:17,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 04:30:17,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:30:16" (1/3) ... [2023-08-25 04:30:17,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af4addd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:30:17, skipping insertion in model container [2023-08-25 04:30:17,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:30:16" (2/3) ... [2023-08-25 04:30:17,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af4addd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:30:17, skipping insertion in model container [2023-08-25 04:30:17,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:30:17" (3/3) ... [2023-08-25 04:30:17,332 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2023-08-25 04:30:17,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 04:30:17,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-25 04:30:17,351 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 04:30:17,428 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 04:30:17,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 82 transitions, 169 flow [2023-08-25 04:30:17,499 INFO L124 PetriNetUnfolderBase]: 4/81 cut-off events. [2023-08-25 04:30:17,499 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:30:17,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 81 events. 4/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 109 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2023-08-25 04:30:17,504 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 82 transitions, 169 flow [2023-08-25 04:30:17,508 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 81 transitions, 165 flow [2023-08-25 04:30:17,511 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 04:30:17,518 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 81 transitions, 165 flow [2023-08-25 04:30:17,520 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 81 transitions, 165 flow [2023-08-25 04:30:17,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 81 transitions, 165 flow [2023-08-25 04:30:17,543 INFO L124 PetriNetUnfolderBase]: 4/81 cut-off events. [2023-08-25 04:30:17,544 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:30:17,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 81 events. 4/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 109 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2023-08-25 04:30:17,546 INFO L119 LiptonReduction]: Number of co-enabled transitions 1620 [2023-08-25 04:30:19,281 INFO L134 LiptonReduction]: Checked pairs total: 5083 [2023-08-25 04:30:19,281 INFO L136 LiptonReduction]: Total number of compositions: 69 [2023-08-25 04:30:19,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 04:30:19,299 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;@4f240e11, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 04:30:19,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-25 04:30:19,302 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 04:30:19,302 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-08-25 04:30:19,302 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:30:19,303 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:30:19,303 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-25 04:30:19,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 7 more)] === [2023-08-25 04:30:19,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:30:19,309 INFO L85 PathProgramCache]: Analyzing trace with hash 292800164, now seen corresponding path program 1 times [2023-08-25 04:30:19,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:30:19,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813789728] [2023-08-25 04:30:19,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:30:19,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:30:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:30:19,528 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 04:30:19,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:30:19,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813789728] [2023-08-25 04:30:19,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813789728] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:30:19,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:30:19,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:30:19,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39069405] [2023-08-25 04:30:19,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:30:19,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:30:19,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:30:19,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:30:19,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:30:19,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 151 [2023-08-25 04:30:19,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 04:30:19,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:30:19,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 151 [2023-08-25 04:30:19,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:30:19,690 INFO L124 PetriNetUnfolderBase]: 115/272 cut-off events. [2023-08-25 04:30:19,690 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:30:19,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 272 events. 115/272 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1219 event pairs, 44 based on Foata normal form. 26/220 useless extension candidates. Maximal degree in co-relation 534. Up to 202 conditions per place. [2023-08-25 04:30:19,694 INFO L140 encePairwiseOnDemand]: 140/151 looper letters, 32 selfloop transitions, 6 changer transitions 0/39 dead transitions. [2023-08-25 04:30:19,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 39 transitions, 157 flow [2023-08-25 04:30:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:30:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:30:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2023-08-25 04:30:19,706 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5143487858719646 [2023-08-25 04:30:19,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 233 transitions. [2023-08-25 04:30:19,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 233 transitions. [2023-08-25 04:30:19,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:30:19,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 233 transitions. [2023-08-25 04:30:19,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 04:30:19,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:19,717 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:19,718 INFO L175 Difference]: Start difference. First operand has 29 places, 27 transitions, 57 flow. Second operand 3 states and 233 transitions. [2023-08-25 04:30:19,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 39 transitions, 157 flow [2023-08-25 04:30:19,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 39 transitions, 156 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:30:19,722 INFO L231 Difference]: Finished difference. Result has 31 places, 30 transitions, 102 flow [2023-08-25 04:30:19,724 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=31, PETRI_TRANSITIONS=30} [2023-08-25 04:30:19,727 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places. [2023-08-25 04:30:19,727 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 30 transitions, 102 flow [2023-08-25 04:30:19,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 04:30:19,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:30:19,727 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 04:30:19,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 04:30:19,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 7 more)] === [2023-08-25 04:30:19,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:30:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash 486101074, now seen corresponding path program 1 times [2023-08-25 04:30:19,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:30:19,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034049249] [2023-08-25 04:30:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:30:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:30:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:30:19,772 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 04:30:19,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:30:19,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034049249] [2023-08-25 04:30:19,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034049249] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:30:19,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:30:19,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:30:19,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643805473] [2023-08-25 04:30:19,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:30:19,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:30:19,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:30:19,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:30:19,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:30:19,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 151 [2023-08-25 04:30:19,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 30 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 04:30:19,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:30:19,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 151 [2023-08-25 04:30:19,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:30:19,843 INFO L124 PetriNetUnfolderBase]: 109/260 cut-off events. [2023-08-25 04:30:19,843 INFO L125 PetriNetUnfolderBase]: For 88/88 co-relation queries the response was YES. [2023-08-25 04:30:19,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 260 events. 109/260 cut-off events. For 88/88 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1138 event pairs, 69 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 625. Up to 232 conditions per place. [2023-08-25 04:30:19,845 INFO L140 encePairwiseOnDemand]: 146/151 looper letters, 36 selfloop transitions, 6 changer transitions 0/43 dead transitions. [2023-08-25 04:30:19,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 43 transitions, 234 flow [2023-08-25 04:30:19,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:30:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:30:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2023-08-25 04:30:19,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48344370860927155 [2023-08-25 04:30:19,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 219 transitions. [2023-08-25 04:30:19,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 219 transitions. [2023-08-25 04:30:19,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:30:19,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 219 transitions. [2023-08-25 04:30:19,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 04:30:19,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:19,852 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:19,852 INFO L175 Difference]: Start difference. First operand has 31 places, 30 transitions, 102 flow. Second operand 3 states and 219 transitions. [2023-08-25 04:30:19,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 43 transitions, 234 flow [2023-08-25 04:30:19,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 43 transitions, 214 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 04:30:19,855 INFO L231 Difference]: Finished difference. Result has 32 places, 34 transitions, 132 flow [2023-08-25 04:30:19,855 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=32, PETRI_TRANSITIONS=34} [2023-08-25 04:30:19,856 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, 3 predicate places. [2023-08-25 04:30:19,856 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 34 transitions, 132 flow [2023-08-25 04:30:19,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 04:30:19,857 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:30:19,857 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:30:19,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 04:30:19,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 7 more)] === [2023-08-25 04:30:19,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:30:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash -217801954, now seen corresponding path program 1 times [2023-08-25 04:30:19,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:30:19,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847220675] [2023-08-25 04:30:19,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:30:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:30:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:30:19,997 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 04:30:19,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:30:19,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847220675] [2023-08-25 04:30:19,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847220675] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:30:19,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:30:19,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:30:19,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3564787] [2023-08-25 04:30:19,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:30:19,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:30:19,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:30:19,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:30:20,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:30:20,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 151 [2023-08-25 04:30:20,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 34 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 04:30:20,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:30:20,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 151 [2023-08-25 04:30:20,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:30:20,032 INFO L124 PetriNetUnfolderBase]: 1/40 cut-off events. [2023-08-25 04:30:20,032 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-08-25 04:30:20,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 40 events. 1/40 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 65 event pairs, 0 based on Foata normal form. 11/43 useless extension candidates. Maximal degree in co-relation 85. Up to 22 conditions per place. [2023-08-25 04:30:20,033 INFO L140 encePairwiseOnDemand]: 147/151 looper letters, 10 selfloop transitions, 4 changer transitions 2/23 dead transitions. [2023-08-25 04:30:20,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 23 transitions, 109 flow [2023-08-25 04:30:20,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:30:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:30:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions. [2023-08-25 04:30:20,035 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46799116997792495 [2023-08-25 04:30:20,035 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 212 transitions. [2023-08-25 04:30:20,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 212 transitions. [2023-08-25 04:30:20,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:30:20,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 212 transitions. [2023-08-25 04:30:20,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 04:30:20,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:20,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:20,038 INFO L175 Difference]: Start difference. First operand has 32 places, 34 transitions, 132 flow. Second operand 3 states and 212 transitions. [2023-08-25 04:30:20,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 23 transitions, 109 flow [2023-08-25 04:30:20,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 90 flow, removed 5 selfloop flow, removed 3 redundant places. [2023-08-25 04:30:20,040 INFO L231 Difference]: Finished difference. Result has 28 places, 21 transitions, 62 flow [2023-08-25 04:30:20,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=28, PETRI_TRANSITIONS=21} [2023-08-25 04:30:20,041 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -1 predicate places. [2023-08-25 04:30:20,041 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 62 flow [2023-08-25 04:30:20,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 04:30:20,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:30:20,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:30:20,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 04:30:20,042 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 7 more)] === [2023-08-25 04:30:20,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:30:20,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1008271966, now seen corresponding path program 1 times [2023-08-25 04:30:20,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:30:20,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289026724] [2023-08-25 04:30:20,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:30:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:30:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:30:20,119 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 04:30:20,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:30:20,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289026724] [2023-08-25 04:30:20,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289026724] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:30:20,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:30:20,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:30:20,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852419793] [2023-08-25 04:30:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:30:20,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:30:20,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:30:20,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:30:20,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:30:20,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 151 [2023-08-25 04:30:20,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 04:30:20,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:30:20,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 151 [2023-08-25 04:30:20,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:30:20,145 INFO L124 PetriNetUnfolderBase]: 1/34 cut-off events. [2023-08-25 04:30:20,145 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:30:20,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 34 events. 1/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 68. Up to 15 conditions per place. [2023-08-25 04:30:20,145 INFO L140 encePairwiseOnDemand]: 149/151 looper letters, 13 selfloop transitions, 1 changer transitions 5/25 dead transitions. [2023-08-25 04:30:20,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 25 transitions, 112 flow [2023-08-25 04:30:20,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:30:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:30:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2023-08-25 04:30:20,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5055187637969095 [2023-08-25 04:30:20,147 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 229 transitions. [2023-08-25 04:30:20,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 229 transitions. [2023-08-25 04:30:20,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:30:20,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 229 transitions. [2023-08-25 04:30:20,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 04:30:20,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:20,150 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:20,150 INFO L175 Difference]: Start difference. First operand has 28 places, 21 transitions, 62 flow. Second operand 3 states and 229 transitions. [2023-08-25 04:30:20,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 25 transitions, 112 flow [2023-08-25 04:30:20,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 25 transitions, 106 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:30:20,151 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 49 flow [2023-08-25 04:30:20,151 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2023-08-25 04:30:20,152 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -3 predicate places. [2023-08-25 04:30:20,152 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 49 flow [2023-08-25 04:30:20,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 04:30:20,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:30:20,153 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:30:20,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 04:30:20,153 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 7 more)] === [2023-08-25 04:30:20,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:30:20,154 INFO L85 PathProgramCache]: Analyzing trace with hash 259695188, now seen corresponding path program 1 times [2023-08-25 04:30:20,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:30:20,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342402134] [2023-08-25 04:30:20,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:30:20,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:30:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:30:20,195 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 04:30:20,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:30:20,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342402134] [2023-08-25 04:30:20,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342402134] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:30:20,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:30:20,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:30:20,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043146499] [2023-08-25 04:30:20,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:30:20,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:30:20,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:30:20,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:30:20,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:30:20,198 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 151 [2023-08-25 04:30:20,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 04:30:20,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:30:20,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 151 [2023-08-25 04:30:20,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:30:20,211 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-08-25 04:30:20,212 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:30:20,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 11 event pairs, 0 based on Foata normal form. 2/23 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2023-08-25 04:30:20,212 INFO L140 encePairwiseOnDemand]: 149/151 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2023-08-25 04:30:20,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 16 transitions, 67 flow [2023-08-25 04:30:20,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:30:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:30:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions. [2023-08-25 04:30:20,213 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46799116997792495 [2023-08-25 04:30:20,213 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 212 transitions. [2023-08-25 04:30:20,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 212 transitions. [2023-08-25 04:30:20,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:30:20,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 212 transitions. [2023-08-25 04:30:20,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 04:30:20,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:20,216 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 04:30:20,216 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 49 flow. Second operand 3 states and 212 transitions. [2023-08-25 04:30:20,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 16 transitions, 67 flow [2023-08-25 04:30:20,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 16 transitions, 64 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-25 04:30:20,217 INFO L231 Difference]: Finished difference. Result has 24 places, 0 transitions, 0 flow [2023-08-25 04:30:20,217 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=24, PETRI_TRANSITIONS=0} [2023-08-25 04:30:20,217 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -5 predicate places. [2023-08-25 04:30:20,218 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 0 transitions, 0 flow [2023-08-25 04:30:20,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 04:30:20,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-08-25 04:30:20,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-08-25 04:30:20,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (7 of 10 remaining) [2023-08-25 04:30:20,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-08-25 04:30:20,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-08-25 04:30:20,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-08-25 04:30:20,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONASSERT (3 of 10 remaining) [2023-08-25 04:30:20,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-08-25 04:30:20,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-08-25 04:30:20,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONASSERT (0 of 10 remaining) [2023-08-25 04:30:20,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 04:30:20,222 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-25 04:30:20,226 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 04:30:20,226 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 04:30:20,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 04:30:20 BasicIcfg [2023-08-25 04:30:20,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 04:30:20,230 INFO L158 Benchmark]: Toolchain (without parser) took 3812.53ms. Allocated memory was 379.6MB in the beginning and 507.5MB in the end (delta: 127.9MB). Free memory was 354.8MB in the beginning and 454.0MB in the end (delta: -99.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.0GB. [2023-08-25 04:30:20,230 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 379.6MB. Free memory is still 356.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 04:30:20,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.21ms. Allocated memory is still 379.6MB. Free memory was 354.8MB in the beginning and 335.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 04:30:20,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.91ms. Allocated memory is still 379.6MB. Free memory was 335.5MB in the beginning and 333.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 04:30:20,231 INFO L158 Benchmark]: Boogie Preprocessor took 19.92ms. Allocated memory is still 379.6MB. Free memory was 333.8MB in the beginning and 332.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 04:30:20,231 INFO L158 Benchmark]: RCFGBuilder took 364.25ms. Allocated memory is still 379.6MB. Free memory was 332.3MB in the beginning and 319.2MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-25 04:30:20,232 INFO L158 Benchmark]: TraceAbstraction took 2902.12ms. Allocated memory was 379.6MB in the beginning and 507.5MB in the end (delta: 127.9MB). Free memory was 318.7MB in the beginning and 454.0MB in the end (delta: -135.3MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 04:30:20,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 379.6MB. Free memory is still 356.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 469.21ms. Allocated memory is still 379.6MB. Free memory was 354.8MB in the beginning and 335.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.91ms. Allocated memory is still 379.6MB. Free memory was 335.5MB in the beginning and 333.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.92ms. Allocated memory is still 379.6MB. Free memory was 333.8MB in the beginning and 332.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 364.25ms. Allocated memory is still 379.6MB. Free memory was 332.3MB in the beginning and 319.2MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 2902.12ms. Allocated memory was 379.6MB in the beginning and 507.5MB in the end (delta: 127.9MB). Free memory was 318.7MB in the beginning and 454.0MB in the end (delta: -135.3MB). There was no memory consumed. 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 81 PlacesBefore, 29 PlacesAfterwards, 81 TransitionsBefore, 27 TransitionsAfterwards, 1620 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 69 TotalNumberOfCompositions, 5083 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2775, independent: 2506, independent conditional: 0, independent unconditional: 2506, dependent: 269, dependent conditional: 0, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 881, independent: 844, independent conditional: 0, independent unconditional: 844, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2775, independent: 1662, independent conditional: 0, independent unconditional: 1662, dependent: 232, dependent conditional: 0, dependent unconditional: 232, unknown: 881, unknown conditional: 0, unknown unconditional: 881] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 685]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 10 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: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 18 mSDtfsCounter, 148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=2, InterpolantAutomatonStates: 15, 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, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 04:30:20,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...