/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 --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -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_01-priv_nr_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 07:35:21,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 07:35:21,101 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 [2023-08-26 07:35:21,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 07:35:21,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 07:35:21,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 07:35:21,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 07:35:21,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 07:35:21,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 07:35:21,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 07:35:21,154 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 07:35:21,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 07:35:21,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 07:35:21,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 07:35:21,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 07:35:21,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 07:35:21,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 07:35:21,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 07:35:21,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 07:35:21,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 07:35:21,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 07:35:21,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 07:35:21,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 07:35:21,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 07:35:21,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 07:35:21,158 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 07:35:21,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 07:35:21,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 07:35:21,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 07:35:21,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 07:35:21,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 07:35:21,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 07:35:21,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 07:35:21,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 07:35:21,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 07:35:21,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 07:35:21,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 07:35:21,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 07:35:21,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 07:35:21,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 07:35:21,499 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 07:35:21,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2023-08-26 07:35:22,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 07:35:22,952 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 07:35:22,952 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2023-08-26 07:35:22,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/593bf1ff8/45947b84afc54e268ccfbfe79a1af169/FLAG42e845c51 [2023-08-26 07:35:22,978 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/593bf1ff8/45947b84afc54e268ccfbfe79a1af169 [2023-08-26 07:35:22,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 07:35:22,981 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 07:35:22,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 07:35:22,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 07:35:22,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 07:35:22,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:35:22" (1/1) ... [2023-08-26 07:35:22,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64eb6d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:22, skipping insertion in model container [2023-08-26 07:35:22,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:35:22" (1/1) ... [2023-08-26 07:35:23,029 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 07:35:23,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 07:35:23,370 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 07:35:23,396 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-26 07:35:23,397 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-26 07:35:23,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 07:35:23,465 INFO L206 MainTranslator]: Completed translation [2023-08-26 07:35:23,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23 WrapperNode [2023-08-26 07:35:23,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 07:35:23,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 07:35:23,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 07:35:23,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 07:35:23,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,530 INFO L138 Inliner]: procedures = 162, calls = 25, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 129 [2023-08-26 07:35:23,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 07:35:23,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 07:35:23,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 07:35:23,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 07:35:23,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 07:35:23,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 07:35:23,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 07:35:23,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 07:35:23,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (1/1) ... [2023-08-26 07:35:23,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 07:35:23,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 07:35:23,605 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) [2023-08-26 07:35:23,624 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 [2023-08-26 07:35:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 07:35:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 07:35:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 07:35:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 07:35:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 07:35:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-26 07:35:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-26 07:35:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 07:35:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 07:35:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 07:35:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 07:35:23,651 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 07:35:23,776 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 07:35:23,778 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 07:35:23,940 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 07:35:23,947 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 07:35:23,947 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 07:35:23,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:35:23 BoogieIcfgContainer [2023-08-26 07:35:23,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 07:35:23,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 07:35:23,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 07:35:23,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 07:35:23,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:35:22" (1/3) ... [2023-08-26 07:35:23,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb88ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:35:23, skipping insertion in model container [2023-08-26 07:35:23,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:35:23" (2/3) ... [2023-08-26 07:35:23,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb88ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:35:23, skipping insertion in model container [2023-08-26 07:35:23,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:35:23" (3/3) ... [2023-08-26 07:35:23,956 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2023-08-26 07:35:23,974 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 07:35:23,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-08-26 07:35:23,974 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 07:35:24,032 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-26 07:35:24,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 153 transitions, 314 flow [2023-08-26 07:35:24,113 INFO L124 PetriNetUnfolderBase]: 8/152 cut-off events. [2023-08-26 07:35:24,113 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-26 07:35:24,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 152 events. 8/152 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 199 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2023-08-26 07:35:24,120 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 153 transitions, 314 flow [2023-08-26 07:35:24,124 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 145 transitions, 293 flow [2023-08-26 07:35:24,127 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 07:35:24,135 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 145 transitions, 293 flow [2023-08-26 07:35:24,138 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 145 transitions, 293 flow [2023-08-26 07:35:24,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 141 places, 145 transitions, 293 flow [2023-08-26 07:35:24,168 INFO L124 PetriNetUnfolderBase]: 8/145 cut-off events. [2023-08-26 07:35:24,168 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:35:24,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 145 events. 8/145 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 199 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2023-08-26 07:35:24,173 INFO L119 LiptonReduction]: Number of co-enabled transitions 4900 [2023-08-26 07:35:27,387 INFO L134 LiptonReduction]: Checked pairs total: 23221 [2023-08-26 07:35:27,388 INFO L136 LiptonReduction]: Total number of compositions: 137 [2023-08-26 07:35:27,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 07:35:27,405 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;@6bb8f12f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 07:35:27,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-08-26 07:35:27,406 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 07:35:27,406 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 07:35:27,406 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:35:27,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:27,407 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 07:35:27,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:27,411 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:27,411 INFO L85 PathProgramCache]: Analyzing trace with hash 559, now seen corresponding path program 1 times [2023-08-26 07:35:27,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:27,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244761665] [2023-08-26 07:35:27,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:27,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:27,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:27,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244761665] [2023-08-26 07:35:27,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244761665] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:27,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:27,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 07:35:27,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135381344] [2023-08-26 07:35:27,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:27,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 07:35:27,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:27,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 07:35:27,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 07:35:27,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 290 [2023-08-26 07:35:27,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 56 transitions, 115 flow. Second operand has 2 states, 2 states have (on average 139.5) internal successors, (279), 2 states have internal predecessors, (279), 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) [2023-08-26 07:35:27,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:27,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 290 [2023-08-26 07:35:27,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:27,703 INFO L124 PetriNetUnfolderBase]: 132/433 cut-off events. [2023-08-26 07:35:27,703 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:35:27,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 433 events. 132/433 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2476 event pairs, 132 based on Foata normal form. 37/360 useless extension candidates. Maximal degree in co-relation 718. Up to 290 conditions per place. [2023-08-26 07:35:27,711 INFO L140 encePairwiseOnDemand]: 283/290 looper letters, 25 selfloop transitions, 0 changer transitions 0/47 dead transitions. [2023-08-26 07:35:27,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 47 transitions, 147 flow [2023-08-26 07:35:27,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 07:35:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 07:35:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 310 transitions. [2023-08-26 07:35:27,735 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5344827586206896 [2023-08-26 07:35:27,736 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 310 transitions. [2023-08-26 07:35:27,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 310 transitions. [2023-08-26 07:35:27,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:27,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 310 transitions. [2023-08-26 07:35:27,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 155.0) internal successors, (310), 2 states have internal predecessors, (310), 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) [2023-08-26 07:35:27,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2023-08-26 07:35:27,751 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2023-08-26 07:35:27,752 INFO L175 Difference]: Start difference. First operand has 56 places, 56 transitions, 115 flow. Second operand 2 states and 310 transitions. [2023-08-26 07:35:27,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 47 transitions, 147 flow [2023-08-26 07:35:27,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 47 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 07:35:27,757 INFO L231 Difference]: Finished difference. Result has 51 places, 47 transitions, 96 flow [2023-08-26 07:35:27,758 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=96, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2023-08-26 07:35:27,762 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -5 predicate places. [2023-08-26 07:35:27,763 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 96 flow [2023-08-26 07:35:27,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 139.5) internal successors, (279), 2 states have internal predecessors, (279), 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) [2023-08-26 07:35:27,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:27,763 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-26 07:35:27,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 07:35:27,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:27,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:27,765 INFO L85 PathProgramCache]: Analyzing trace with hash 530275497, now seen corresponding path program 1 times [2023-08-26 07:35:27,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:27,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407073919] [2023-08-26 07:35:27,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:27,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:27,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:27,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407073919] [2023-08-26 07:35:27,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407073919] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:27,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:27,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 07:35:27,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131342534] [2023-08-26 07:35:27,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:27,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:35:27,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:27,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:35:27,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:35:27,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 290 [2023-08-26 07:35:27,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2023-08-26 07:35:27,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:27,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 290 [2023-08-26 07:35:27,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:28,032 INFO L124 PetriNetUnfolderBase]: 498/1145 cut-off events. [2023-08-26 07:35:28,032 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:35:28,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2240 conditions, 1145 events. 498/1145 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6412 event pairs, 200 based on Foata normal form. 0/834 useless extension candidates. Maximal degree in co-relation 2237. Up to 633 conditions per place. [2023-08-26 07:35:28,038 INFO L140 encePairwiseOnDemand]: 270/290 looper letters, 66 selfloop transitions, 15 changer transitions 0/84 dead transitions. [2023-08-26 07:35:28,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 84 transitions, 332 flow [2023-08-26 07:35:28,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:35:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:35:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 413 transitions. [2023-08-26 07:35:28,041 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4747126436781609 [2023-08-26 07:35:28,041 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 413 transitions. [2023-08-26 07:35:28,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 413 transitions. [2023-08-26 07:35:28,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:28,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 413 transitions. [2023-08-26 07:35:28,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 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) [2023-08-26 07:35:28,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,046 INFO L175 Difference]: Start difference. First operand has 51 places, 47 transitions, 96 flow. Second operand 3 states and 413 transitions. [2023-08-26 07:35:28,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 84 transitions, 332 flow [2023-08-26 07:35:28,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 84 transitions, 332 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 07:35:28,048 INFO L231 Difference]: Finished difference. Result has 55 places, 61 transitions, 222 flow [2023-08-26 07:35:28,048 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=55, PETRI_TRANSITIONS=61} [2023-08-26 07:35:28,049 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -1 predicate places. [2023-08-26 07:35:28,049 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 61 transitions, 222 flow [2023-08-26 07:35:28,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2023-08-26 07:35:28,050 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:28,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-26 07:35:28,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 07:35:28,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:28,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:28,051 INFO L85 PathProgramCache]: Analyzing trace with hash -741328230, now seen corresponding path program 1 times [2023-08-26 07:35:28,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:28,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136620146] [2023-08-26 07:35:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:28,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:28,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:28,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136620146] [2023-08-26 07:35:28,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136620146] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:28,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:28,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 07:35:28,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487545741] [2023-08-26 07:35:28,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:28,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:35:28,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:35:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:35:28,237 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 290 [2023-08-26 07:35:28,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 61 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2023-08-26 07:35:28,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:28,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 290 [2023-08-26 07:35:28,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:28,333 INFO L124 PetriNetUnfolderBase]: 286/807 cut-off events. [2023-08-26 07:35:28,333 INFO L125 PetriNetUnfolderBase]: For 172/178 co-relation queries the response was YES. [2023-08-26 07:35:28,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1810 conditions, 807 events. 286/807 cut-off events. For 172/178 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4804 event pairs, 167 based on Foata normal form. 0/672 useless extension candidates. Maximal degree in co-relation 1805. Up to 576 conditions per place. [2023-08-26 07:35:28,338 INFO L140 encePairwiseOnDemand]: 285/290 looper letters, 36 selfloop transitions, 3 changer transitions 0/67 dead transitions. [2023-08-26 07:35:28,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 67 transitions, 312 flow [2023-08-26 07:35:28,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:35:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:35:28,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2023-08-26 07:35:28,340 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4827586206896552 [2023-08-26 07:35:28,340 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2023-08-26 07:35:28,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2023-08-26 07:35:28,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:28,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2023-08-26 07:35:28,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2023-08-26 07:35:28,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,343 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,344 INFO L175 Difference]: Start difference. First operand has 55 places, 61 transitions, 222 flow. Second operand 3 states and 420 transitions. [2023-08-26 07:35:28,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 67 transitions, 312 flow [2023-08-26 07:35:28,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 67 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 07:35:28,348 INFO L231 Difference]: Finished difference. Result has 56 places, 63 transitions, 213 flow [2023-08-26 07:35:28,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=56, PETRI_TRANSITIONS=63} [2023-08-26 07:35:28,349 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 0 predicate places. [2023-08-26 07:35:28,349 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 63 transitions, 213 flow [2023-08-26 07:35:28,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2023-08-26 07:35:28,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:28,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:28,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 07:35:28,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:28,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:28,351 INFO L85 PathProgramCache]: Analyzing trace with hash -190232825, now seen corresponding path program 1 times [2023-08-26 07:35:28,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:28,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722333873] [2023-08-26 07:35:28,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:28,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:28,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:28,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722333873] [2023-08-26 07:35:28,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722333873] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:28,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:28,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 07:35:28,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860534111] [2023-08-26 07:35:28,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:28,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:35:28,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:28,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:35:28,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:35:28,381 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 290 [2023-08-26 07:35:28,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 63 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2023-08-26 07:35:28,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:28,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 290 [2023-08-26 07:35:28,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:28,529 INFO L124 PetriNetUnfolderBase]: 488/1122 cut-off events. [2023-08-26 07:35:28,529 INFO L125 PetriNetUnfolderBase]: For 231/238 co-relation queries the response was YES. [2023-08-26 07:35:28,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2716 conditions, 1122 events. 488/1122 cut-off events. For 231/238 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6101 event pairs, 324 based on Foata normal form. 1/862 useless extension candidates. Maximal degree in co-relation 2710. Up to 1026 conditions per place. [2023-08-26 07:35:28,535 INFO L140 encePairwiseOnDemand]: 282/290 looper letters, 74 selfloop transitions, 11 changer transitions 0/88 dead transitions. [2023-08-26 07:35:28,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 88 transitions, 463 flow [2023-08-26 07:35:28,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:35:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:35:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2023-08-26 07:35:28,537 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4459770114942529 [2023-08-26 07:35:28,537 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2023-08-26 07:35:28,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2023-08-26 07:35:28,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:28,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2023-08-26 07:35:28,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2023-08-26 07:35:28,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,541 INFO L175 Difference]: Start difference. First operand has 56 places, 63 transitions, 213 flow. Second operand 3 states and 388 transitions. [2023-08-26 07:35:28,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 88 transitions, 463 flow [2023-08-26 07:35:28,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 88 transitions, 460 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 07:35:28,543 INFO L231 Difference]: Finished difference. Result has 58 places, 72 transitions, 297 flow [2023-08-26 07:35:28,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=297, PETRI_PLACES=58, PETRI_TRANSITIONS=72} [2023-08-26 07:35:28,544 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 2 predicate places. [2023-08-26 07:35:28,544 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 72 transitions, 297 flow [2023-08-26 07:35:28,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2023-08-26 07:35:28,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:28,545 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:28,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 07:35:28,545 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:28,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:28,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1040834930, now seen corresponding path program 1 times [2023-08-26 07:35:28,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:28,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527270714] [2023-08-26 07:35:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:28,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:28,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:28,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527270714] [2023-08-26 07:35:28,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527270714] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:28,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:28,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 07:35:28,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880203667] [2023-08-26 07:35:28,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:28,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:35:28,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:28,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:35:28,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:35:28,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 290 [2023-08-26 07:35:28,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 72 transitions, 297 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-08-26 07:35:28,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:28,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 290 [2023-08-26 07:35:28,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:28,720 INFO L124 PetriNetUnfolderBase]: 500/1151 cut-off events. [2023-08-26 07:35:28,721 INFO L125 PetriNetUnfolderBase]: For 503/521 co-relation queries the response was YES. [2023-08-26 07:35:28,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3032 conditions, 1151 events. 500/1151 cut-off events. For 503/521 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6347 event pairs, 313 based on Foata normal form. 1/907 useless extension candidates. Maximal degree in co-relation 3025. Up to 972 conditions per place. [2023-08-26 07:35:28,727 INFO L140 encePairwiseOnDemand]: 282/290 looper letters, 85 selfloop transitions, 14 changer transitions 0/102 dead transitions. [2023-08-26 07:35:28,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 102 transitions, 609 flow [2023-08-26 07:35:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:35:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:35:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2023-08-26 07:35:28,729 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4436781609195402 [2023-08-26 07:35:28,729 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2023-08-26 07:35:28,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2023-08-26 07:35:28,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:28,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2023-08-26 07:35:28,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2023-08-26 07:35:28,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,733 INFO L175 Difference]: Start difference. First operand has 58 places, 72 transitions, 297 flow. Second operand 3 states and 386 transitions. [2023-08-26 07:35:28,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 102 transitions, 609 flow [2023-08-26 07:35:28,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 102 transitions, 594 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 07:35:28,737 INFO L231 Difference]: Finished difference. Result has 61 places, 82 transitions, 410 flow [2023-08-26 07:35:28,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=61, PETRI_TRANSITIONS=82} [2023-08-26 07:35:28,738 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 5 predicate places. [2023-08-26 07:35:28,738 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 82 transitions, 410 flow [2023-08-26 07:35:28,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-08-26 07:35:28,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:28,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:28,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 07:35:28,739 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:28,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:28,739 INFO L85 PathProgramCache]: Analyzing trace with hash 783467001, now seen corresponding path program 1 times [2023-08-26 07:35:28,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:28,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711576993] [2023-08-26 07:35:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:28,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:28,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:28,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711576993] [2023-08-26 07:35:28,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711576993] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:28,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:28,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 07:35:28,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133305115] [2023-08-26 07:35:28,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:28,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:35:28,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:28,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:35:28,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:35:28,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 290 [2023-08-26 07:35:28,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 82 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2023-08-26 07:35:28,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:28,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 290 [2023-08-26 07:35:28,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:28,826 INFO L124 PetriNetUnfolderBase]: 1/76 cut-off events. [2023-08-26 07:35:28,826 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-08-26 07:35:28,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 76 events. 1/76 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 0 based on Foata normal form. 19/86 useless extension candidates. Maximal degree in co-relation 190. Up to 40 conditions per place. [2023-08-26 07:35:28,827 INFO L140 encePairwiseOnDemand]: 286/290 looper letters, 21 selfloop transitions, 4 changer transitions 2/44 dead transitions. [2023-08-26 07:35:28,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 44 transitions, 224 flow [2023-08-26 07:35:28,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:35:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:35:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2023-08-26 07:35:28,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47586206896551725 [2023-08-26 07:35:28,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 414 transitions. [2023-08-26 07:35:28,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 414 transitions. [2023-08-26 07:35:28,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:28,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 414 transitions. [2023-08-26 07:35:28,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2023-08-26 07:35:28,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,832 INFO L175 Difference]: Start difference. First operand has 61 places, 82 transitions, 410 flow. Second operand 3 states and 414 transitions. [2023-08-26 07:35:28,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 44 transitions, 224 flow [2023-08-26 07:35:28,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 44 transitions, 180 flow, removed 16 selfloop flow, removed 6 redundant places. [2023-08-26 07:35:28,833 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 128 flow [2023-08-26 07:35:28,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2023-08-26 07:35:28,834 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -6 predicate places. [2023-08-26 07:35:28,834 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 128 flow [2023-08-26 07:35:28,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2023-08-26 07:35:28,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:28,835 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:28,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 07:35:28,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr4ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:28,836 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:28,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2132030286, now seen corresponding path program 1 times [2023-08-26 07:35:28,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:28,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212248557] [2023-08-26 07:35:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:28,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:28,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:28,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212248557] [2023-08-26 07:35:28,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212248557] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:28,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:28,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 07:35:28,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685013419] [2023-08-26 07:35:28,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:28,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:35:28,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:28,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:35:28,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:35:28,881 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 290 [2023-08-26 07:35:28,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2023-08-26 07:35:28,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:28,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 290 [2023-08-26 07:35:28,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:28,913 INFO L124 PetriNetUnfolderBase]: 1/71 cut-off events. [2023-08-26 07:35:28,913 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-26 07:35:28,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 71 events. 1/71 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 151. Up to 40 conditions per place. [2023-08-26 07:35:28,914 INFO L140 encePairwiseOnDemand]: 287/290 looper letters, 24 selfloop transitions, 3 changer transitions 0/41 dead transitions. [2023-08-26 07:35:28,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 41 transitions, 180 flow [2023-08-26 07:35:28,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:35:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:35:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2023-08-26 07:35:28,915 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47126436781609193 [2023-08-26 07:35:28,915 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 410 transitions. [2023-08-26 07:35:28,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions. [2023-08-26 07:35:28,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:28,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions. [2023-08-26 07:35:28,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2023-08-26 07:35:28,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:28,918 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 128 flow. Second operand 3 states and 410 transitions. [2023-08-26 07:35:28,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 41 transitions, 180 flow [2023-08-26 07:35:28,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 41 transitions, 176 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 07:35:28,920 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 128 flow [2023-08-26 07:35:28,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2023-08-26 07:35:28,920 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -8 predicate places. [2023-08-26 07:35:28,920 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 128 flow [2023-08-26 07:35:28,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2023-08-26 07:35:28,921 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:28,921 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:28,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 07:35:28,921 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:28,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:28,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2138778099, now seen corresponding path program 1 times [2023-08-26 07:35:28,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:28,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16936129] [2023-08-26 07:35:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:29,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:29,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16936129] [2023-08-26 07:35:29,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16936129] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:29,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:29,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 07:35:29,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966463507] [2023-08-26 07:35:29,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:29,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-26 07:35:29,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:29,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-26 07:35:29,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-26 07:35:29,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 290 [2023-08-26 07:35:29,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 127.6) internal successors, (638), 5 states have internal predecessors, (638), 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) [2023-08-26 07:35:29,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:29,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 290 [2023-08-26 07:35:29,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:29,087 INFO L124 PetriNetUnfolderBase]: 1/70 cut-off events. [2023-08-26 07:35:29,087 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-26 07:35:29,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 70 events. 1/70 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 149. Up to 35 conditions per place. [2023-08-26 07:35:29,087 INFO L140 encePairwiseOnDemand]: 283/290 looper letters, 31 selfloop transitions, 6 changer transitions 0/51 dead transitions. [2023-08-26 07:35:29,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 51 transitions, 226 flow [2023-08-26 07:35:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:35:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:35:29,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 794 transitions. [2023-08-26 07:35:29,090 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45632183908045976 [2023-08-26 07:35:29,090 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 794 transitions. [2023-08-26 07:35:29,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 794 transitions. [2023-08-26 07:35:29,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:29,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 794 transitions. [2023-08-26 07:35:29,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 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) [2023-08-26 07:35:29,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 290.0) internal successors, (2030), 7 states have internal predecessors, (2030), 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) [2023-08-26 07:35:29,094 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 290.0) internal successors, (2030), 7 states have internal predecessors, (2030), 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) [2023-08-26 07:35:29,095 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 128 flow. Second operand 6 states and 794 transitions. [2023-08-26 07:35:29,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 51 transitions, 226 flow [2023-08-26 07:35:29,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 07:35:29,096 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 155 flow [2023-08-26 07:35:29,096 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=155, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2023-08-26 07:35:29,097 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -2 predicate places. [2023-08-26 07:35:29,097 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 155 flow [2023-08-26 07:35:29,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.6) internal successors, (638), 5 states have internal predecessors, (638), 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) [2023-08-26 07:35:29,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:29,098 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:29,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 07:35:29,098 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:29,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:29,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1337004001, now seen corresponding path program 1 times [2023-08-26 07:35:29,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:29,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735140346] [2023-08-26 07:35:29,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:29,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:29,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:29,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735140346] [2023-08-26 07:35:29,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735140346] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:29,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:29,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 07:35:29,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379835958] [2023-08-26 07:35:29,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:29,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:35:29,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:29,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:35:29,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:35:29,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 290 [2023-08-26 07:35:29,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2023-08-26 07:35:29,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:29,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 290 [2023-08-26 07:35:29,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:29,161 INFO L124 PetriNetUnfolderBase]: 1/68 cut-off events. [2023-08-26 07:35:29,161 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-26 07:35:29,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 68 events. 1/68 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 173. Up to 59 conditions per place. [2023-08-26 07:35:29,162 INFO L140 encePairwiseOnDemand]: 287/290 looper letters, 35 selfloop transitions, 2 changer transitions 1/43 dead transitions. [2023-08-26 07:35:29,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 43 transitions, 229 flow [2023-08-26 07:35:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:35:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:35:29,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 355 transitions. [2023-08-26 07:35:29,163 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40804597701149425 [2023-08-26 07:35:29,163 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 355 transitions. [2023-08-26 07:35:29,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 355 transitions. [2023-08-26 07:35:29,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:29,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 355 transitions. [2023-08-26 07:35:29,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2023-08-26 07:35:29,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:29,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:29,166 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 155 flow. Second operand 3 states and 355 transitions. [2023-08-26 07:35:29,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 43 transitions, 229 flow [2023-08-26 07:35:29,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 43 transitions, 223 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 07:35:29,168 INFO L231 Difference]: Finished difference. Result has 53 places, 42 transitions, 147 flow [2023-08-26 07:35:29,168 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2023-08-26 07:35:29,168 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -3 predicate places. [2023-08-26 07:35:29,169 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 147 flow [2023-08-26 07:35:29,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2023-08-26 07:35:29,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:29,169 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:29,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-26 07:35:29,170 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:29,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:29,170 INFO L85 PathProgramCache]: Analyzing trace with hash -586624892, now seen corresponding path program 1 times [2023-08-26 07:35:29,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:29,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688623161] [2023-08-26 07:35:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:29,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:29,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:29,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688623161] [2023-08-26 07:35:29,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688623161] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:29,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:29,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 07:35:29,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111200492] [2023-08-26 07:35:29,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:29,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:35:29,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:29,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:35:29,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:35:29,193 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 290 [2023-08-26 07:35:29,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 42 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2023-08-26 07:35:29,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:29,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 290 [2023-08-26 07:35:29,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:29,230 INFO L124 PetriNetUnfolderBase]: 0/56 cut-off events. [2023-08-26 07:35:29,231 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-08-26 07:35:29,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 56 events. 0/56 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2023-08-26 07:35:29,231 INFO L140 encePairwiseOnDemand]: 287/290 looper letters, 34 selfloop transitions, 2 changer transitions 1/41 dead transitions. [2023-08-26 07:35:29,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 41 transitions, 217 flow [2023-08-26 07:35:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:35:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:35:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2023-08-26 07:35:29,233 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40344827586206894 [2023-08-26 07:35:29,233 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2023-08-26 07:35:29,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2023-08-26 07:35:29,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:29,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2023-08-26 07:35:29,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2023-08-26 07:35:29,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:29,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2023-08-26 07:35:29,236 INFO L175 Difference]: Start difference. First operand has 53 places, 42 transitions, 147 flow. Second operand 3 states and 351 transitions. [2023-08-26 07:35:29,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 41 transitions, 217 flow [2023-08-26 07:35:29,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 41 transitions, 213 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 07:35:29,237 INFO L231 Difference]: Finished difference. Result has 52 places, 40 transitions, 141 flow [2023-08-26 07:35:29,237 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=52, PETRI_TRANSITIONS=40} [2023-08-26 07:35:29,238 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2023-08-26 07:35:29,238 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 141 flow [2023-08-26 07:35:29,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2023-08-26 07:35:29,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:29,238 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:29,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-26 07:35:29,239 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:29,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:29,239 INFO L85 PathProgramCache]: Analyzing trace with hash 65341248, now seen corresponding path program 1 times [2023-08-26 07:35:29,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:29,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130154867] [2023-08-26 07:35:29,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:29,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:29,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:29,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130154867] [2023-08-26 07:35:29,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130154867] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:29,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:29,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-26 07:35:29,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392448256] [2023-08-26 07:35:29,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:29,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:35:29,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:29,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:35:29,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:35:29,353 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 290 [2023-08-26 07:35:29,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 40 transitions, 141 flow. Second operand has 6 states, 6 states have (on average 127.66666666666667) internal successors, (766), 6 states have internal predecessors, (766), 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) [2023-08-26 07:35:29,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:29,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 290 [2023-08-26 07:35:29,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:29,452 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2023-08-26 07:35:29,452 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-08-26 07:35:29,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 51 events. 0/51 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 42 event pairs, 0 based on Foata normal form. 1/52 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2023-08-26 07:35:29,453 INFO L140 encePairwiseOnDemand]: 281/290 looper letters, 15 selfloop transitions, 2 changer transitions 18/44 dead transitions. [2023-08-26 07:35:29,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 44 transitions, 214 flow [2023-08-26 07:35:29,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-26 07:35:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-26 07:35:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1033 transitions. [2023-08-26 07:35:29,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44525862068965516 [2023-08-26 07:35:29,456 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1033 transitions. [2023-08-26 07:35:29,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1033 transitions. [2023-08-26 07:35:29,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:29,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1033 transitions. [2023-08-26 07:35:29,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 129.125) internal successors, (1033), 8 states have internal predecessors, (1033), 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) [2023-08-26 07:35:29,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 290.0) internal successors, (2610), 9 states have internal predecessors, (2610), 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) [2023-08-26 07:35:29,462 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 290.0) internal successors, (2610), 9 states have internal predecessors, (2610), 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) [2023-08-26 07:35:29,462 INFO L175 Difference]: Start difference. First operand has 52 places, 40 transitions, 141 flow. Second operand 8 states and 1033 transitions. [2023-08-26 07:35:29,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 44 transitions, 214 flow [2023-08-26 07:35:29,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 44 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 07:35:29,463 INFO L231 Difference]: Finished difference. Result has 56 places, 26 transitions, 91 flow [2023-08-26 07:35:29,463 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=91, PETRI_PLACES=56, PETRI_TRANSITIONS=26} [2023-08-26 07:35:29,464 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 0 predicate places. [2023-08-26 07:35:29,464 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 26 transitions, 91 flow [2023-08-26 07:35:29,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.66666666666667) internal successors, (766), 6 states have internal predecessors, (766), 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) [2023-08-26 07:35:29,464 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:35:29,465 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:29,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-26 07:35:29,465 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-26 07:35:29,465 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:35:29,465 INFO L85 PathProgramCache]: Analyzing trace with hash -980224945, now seen corresponding path program 1 times [2023-08-26 07:35:29,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:35:29,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546759864] [2023-08-26 07:35:29,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:35:29,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:35:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:35:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:35:29,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:35:29,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546759864] [2023-08-26 07:35:29,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546759864] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:35:29,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:35:29,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-26 07:35:29,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167546232] [2023-08-26 07:35:29,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:35:29,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:35:29,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:35:29,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:35:29,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:35:29,595 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 290 [2023-08-26 07:35:29,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 26 transitions, 91 flow. Second operand has 6 states, 6 states have (on average 126.83333333333333) internal successors, (761), 6 states have internal predecessors, (761), 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) [2023-08-26 07:35:29,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:35:29,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 290 [2023-08-26 07:35:29,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:35:29,662 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2023-08-26 07:35:29,662 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-26 07:35:29,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 26 events. 0/26 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 event pairs, 0 based on Foata normal form. 1/27 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2023-08-26 07:35:29,662 INFO L140 encePairwiseOnDemand]: 282/290 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2023-08-26 07:35:29,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 26 transitions, 124 flow [2023-08-26 07:35:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-26 07:35:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-26 07:35:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1010 transitions. [2023-08-26 07:35:29,665 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4353448275862069 [2023-08-26 07:35:29,665 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1010 transitions. [2023-08-26 07:35:29,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1010 transitions. [2023-08-26 07:35:29,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:35:29,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1010 transitions. [2023-08-26 07:35:29,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 126.25) internal successors, (1010), 8 states have internal predecessors, (1010), 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) [2023-08-26 07:35:29,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 290.0) internal successors, (2610), 9 states have internal predecessors, (2610), 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) [2023-08-26 07:35:29,671 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 290.0) internal successors, (2610), 9 states have internal predecessors, (2610), 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) [2023-08-26 07:35:29,671 INFO L175 Difference]: Start difference. First operand has 56 places, 26 transitions, 91 flow. Second operand 8 states and 1010 transitions. [2023-08-26 07:35:29,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 26 transitions, 124 flow [2023-08-26 07:35:29,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 26 transitions, 99 flow, removed 4 selfloop flow, removed 7 redundant places. [2023-08-26 07:35:29,672 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-08-26 07:35:29,672 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-08-26 07:35:29,673 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -17 predicate places. [2023-08-26 07:35:29,673 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-08-26 07:35:29,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 126.83333333333333) internal successors, (761), 6 states have internal predecessors, (761), 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) [2023-08-26 07:35:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2023-08-26 07:35:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (20 of 22 remaining) [2023-08-26 07:35:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-08-26 07:35:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-08-26 07:35:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-08-26 07:35:29,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2023-08-26 07:35:29,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (15 of 22 remaining) [2023-08-26 07:35:29,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-08-26 07:35:29,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-08-26 07:35:29,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 22 remaining) [2023-08-26 07:35:29,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-08-26 07:35:29,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONASSERT (10 of 22 remaining) [2023-08-26 07:35:29,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2023-08-26 07:35:29,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2023-08-26 07:35:29,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONASSERT (7 of 22 remaining) [2023-08-26 07:35:29,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-08-26 07:35:29,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-08-26 07:35:29,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONASSERT (4 of 22 remaining) [2023-08-26 07:35:29,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-08-26 07:35:29,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-08-26 07:35:29,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONASSERT (1 of 22 remaining) [2023-08-26 07:35:29,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-08-26 07:35:29,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-26 07:35:29,679 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:35:29,683 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 07:35:29,683 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 07:35:29,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:35:29 BasicIcfg [2023-08-26 07:35:29,685 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 07:35:29,686 INFO L158 Benchmark]: Toolchain (without parser) took 6704.73ms. Allocated memory was 398.5MB in the beginning and 549.5MB in the end (delta: 151.0MB). Free memory was 372.8MB in the beginning and 496.4MB in the end (delta: -123.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.0GB. [2023-08-26 07:35:29,686 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 398.5MB. Free memory is still 376.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 07:35:29,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.58ms. Allocated memory is still 398.5MB. Free memory was 372.8MB in the beginning and 353.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-26 07:35:29,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.88ms. Allocated memory is still 398.5MB. Free memory was 353.3MB in the beginning and 351.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 07:35:29,687 INFO L158 Benchmark]: Boogie Preprocessor took 36.31ms. Allocated memory is still 398.5MB. Free memory was 351.1MB in the beginning and 349.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 07:35:29,687 INFO L158 Benchmark]: RCFGBuilder took 381.18ms. Allocated memory is still 398.5MB. Free memory was 349.7MB in the beginning and 332.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-08-26 07:35:29,687 INFO L158 Benchmark]: TraceAbstraction took 5734.48ms. Allocated memory was 398.5MB in the beginning and 549.5MB in the end (delta: 151.0MB). Free memory was 332.4MB in the beginning and 496.4MB in the end (delta: -164.0MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 07:35:29,689 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 398.5MB. Free memory is still 376.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 483.58ms. Allocated memory is still 398.5MB. Free memory was 372.8MB in the beginning and 353.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 63.88ms. Allocated memory is still 398.5MB. Free memory was 353.3MB in the beginning and 351.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 36.31ms. Allocated memory is still 398.5MB. Free memory was 351.1MB in the beginning and 349.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 381.18ms. Allocated memory is still 398.5MB. Free memory was 349.7MB in the beginning and 332.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 5734.48ms. Allocated memory was 398.5MB in the beginning and 549.5MB in the end (delta: 151.0MB). Free memory was 332.4MB in the beginning and 496.4MB in the end (delta: -164.0MB). 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: 3.2s, 141 PlacesBefore, 56 PlacesAfterwards, 145 TransitionsBefore, 56 TransitionsAfterwards, 4900 CoEnabledTransitionPairs, 8 FixpointIterations, 51 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 10 ConcurrentYvCompositions, 4 ChoiceCompositions, 137 TotalNumberOfCompositions, 23221 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6894, independent: 6196, independent conditional: 0, independent unconditional: 6196, dependent: 698, dependent conditional: 0, dependent unconditional: 698, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2663, independent: 2570, independent conditional: 0, independent unconditional: 2570, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6894, independent: 3626, independent conditional: 0, independent unconditional: 3626, dependent: 605, dependent conditional: 0, dependent unconditional: 605, unknown: 2663, unknown conditional: 0, unknown unconditional: 2663] , Statistics on independence cache: Total cache size (in pairs): 368, Positive cache size: 305, Positive conditional cache size: 0, Positive unconditional cache size: 305, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 697]: 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: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: 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: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 194 locations, 22 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: 5.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 773 IncrementalHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 78 mSDtfsCounter, 773 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred in iteration=5, InterpolantAutomatonStates: 48, 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, 0.7s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 07:35:29,705 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...