./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:05:00,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:05:00,984 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:05:00,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:05:00,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:05:01,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:05:01,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:05:01,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:05:01,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:05:01,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:05:01,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:05:01,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:05:01,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:05:01,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:05:01,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:05:01,003 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 [2025-03-08 22:05:01,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:05:01,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:05:01,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:05:01,424 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:05:01,424 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:05:01,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2025-03-08 22:05:02,617 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63994df00/43d3c95cfc3a4c2ab07509b901453c48/FLAGaf8d3c0ad [2025-03-08 22:05:02,840 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:05:02,842 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2025-03-08 22:05:02,851 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63994df00/43d3c95cfc3a4c2ab07509b901453c48/FLAGaf8d3c0ad [2025-03-08 22:05:02,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63994df00/43d3c95cfc3a4c2ab07509b901453c48 [2025-03-08 22:05:02,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:05:02,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:05:02,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:05:02,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:05:02,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:05:02,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:05:02" (1/1) ... [2025-03-08 22:05:02,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694faf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:02, skipping insertion in model container [2025-03-08 22:05:02,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:05:02" (1/1) ... [2025-03-08 22:05:02,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:05:03,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:05:03,103 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:05:03,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:05:03,163 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:05:03,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03 WrapperNode [2025-03-08 22:05:03,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:05:03,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:05:03,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:05:03,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:05:03,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,229 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1313 [2025-03-08 22:05:03,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:05:03,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:05:03,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:05:03,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:05:03,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:05:03,288 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:05:03,288 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:05:03,288 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:05:03,289 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (1/1) ... [2025-03-08 22:05:03,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:05:03,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:05:03,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 22:05:03,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 22:05:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:05:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:05:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:05:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:05:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:05:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-08 22:05:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-08 22:05:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:05:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 22:05:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 22:05:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:05:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:05:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 22:05:03,348 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 22:05:03,471 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:05:03,473 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:05:04,718 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:05:04,718 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:05:04,751 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:05:04,751 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:05:04,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:05:04 BoogieIcfgContainer [2025-03-08 22:05:04,752 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:05:04,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:05:04,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:05:04,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:05:04,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:05:02" (1/3) ... [2025-03-08 22:05:04,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d960b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:05:04, skipping insertion in model container [2025-03-08 22:05:04,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:05:03" (2/3) ... [2025-03-08 22:05:04,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d960b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:05:04, skipping insertion in model container [2025-03-08 22:05:04,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:05:04" (3/3) ... [2025-03-08 22:05:04,765 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2025-03-08 22:05:04,777 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:05:04,778 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-nzb-file-subst.wvr.c that has 4 procedures, 1670 locations, 1 initial locations, 6 loop locations, and 227 error locations. [2025-03-08 22:05:04,778 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:05:05,007 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-08 22:05:05,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1679 places, 1777 transitions, 3575 flow [2025-03-08 22:05:05,996 INFO L124 PetriNetUnfolderBase]: 108/1774 cut-off events. [2025-03-08 22:05:06,000 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 22:05:06,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1787 conditions, 1774 events. 108/1774 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7747 event pairs, 0 based on Foata normal form. 0/1439 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2025-03-08 22:05:06,066 INFO L82 GeneralOperation]: Start removeDead. Operand has 1679 places, 1777 transitions, 3575 flow [2025-03-08 22:05:06,115 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1656 places, 1751 transitions, 3520 flow [2025-03-08 22:05:06,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:05:06,137 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@df63f66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:05:06,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 428 error locations. [2025-03-08 22:05:06,143 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:05:06,144 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2025-03-08 22:05:06,145 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:05:06,145 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:06,146 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:06,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:06,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:06,151 INFO L85 PathProgramCache]: Analyzing trace with hash -556356908, now seen corresponding path program 1 times [2025-03-08 22:05:06,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:06,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249212230] [2025-03-08 22:05:06,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:06,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:06,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-08 22:05:06,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-08 22:05:06,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:06,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:06,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:06,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249212230] [2025-03-08 22:05:06,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249212230] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:06,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:06,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:06,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131622839] [2025-03-08 22:05:06,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:06,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:06,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:06,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:06,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:06,365 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-08 22:05:06,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1656 places, 1751 transitions, 3520 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:06,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:06,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-08 22:05:06,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:07,891 INFO L124 PetriNetUnfolderBase]: 171/3528 cut-off events. [2025-03-08 22:05:07,891 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2025-03-08 22:05:07,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3577 conditions, 3528 events. 171/3528 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 21605 event pairs, 7 based on Foata normal form. 110/2918 useless extension candidates. Maximal degree in co-relation 3191. Up to 25 conditions per place. [2025-03-08 22:05:08,041 INFO L140 encePairwiseOnDemand]: 1741/1777 looper letters, 11 selfloop transitions, 2 changer transitions 6/1717 dead transitions. [2025-03-08 22:05:08,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1657 places, 1717 transitions, 3478 flow [2025-03-08 22:05:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2025-03-08 22:05:08,061 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9806790470830988 [2025-03-08 22:05:08,063 INFO L175 Difference]: Start difference. First operand has 1656 places, 1751 transitions, 3520 flow. Second operand 3 states and 5228 transitions. [2025-03-08 22:05:08,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1657 places, 1717 transitions, 3478 flow [2025-03-08 22:05:08,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1651 places, 1717 transitions, 3466 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-08 22:05:08,093 INFO L231 Difference]: Finished difference. Result has 1651 places, 1711 transitions, 3432 flow [2025-03-08 22:05:08,097 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3440, PETRI_DIFFERENCE_MINUEND_PLACES=1649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3432, PETRI_PLACES=1651, PETRI_TRANSITIONS=1711} [2025-03-08 22:05:08,099 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -5 predicate places. [2025-03-08 22:05:08,100 INFO L471 AbstractCegarLoop]: Abstraction has has 1651 places, 1711 transitions, 3432 flow [2025-03-08 22:05:08,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:08,102 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:08,102 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:08,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:05:08,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:08,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1794403422, now seen corresponding path program 1 times [2025-03-08 22:05:08,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:08,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976472910] [2025-03-08 22:05:08,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:08,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-08 22:05:08,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-08 22:05:08,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:08,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:08,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:08,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976472910] [2025-03-08 22:05:08,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976472910] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:08,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:08,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:08,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18155098] [2025-03-08 22:05:08,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:08,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:08,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:08,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:08,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:08,184 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-08 22:05:08,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:08,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:08,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-08 22:05:08,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:09,389 INFO L124 PetriNetUnfolderBase]: 171/3521 cut-off events. [2025-03-08 22:05:09,389 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2025-03-08 22:05:09,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3559 conditions, 3521 events. 171/3521 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 22758 event pairs, 7 based on Foata normal form. 0/2809 useless extension candidates. Maximal degree in co-relation 3513. Up to 25 conditions per place. [2025-03-08 22:05:09,554 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2025-03-08 22:05:09,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1710 transitions, 3456 flow [2025-03-08 22:05:09,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-08 22:05:09,567 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-08 22:05:09,567 INFO L175 Difference]: Start difference. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand 3 states and 5195 transitions. [2025-03-08 22:05:09,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1710 transitions, 3456 flow [2025-03-08 22:05:09,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1710 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:09,596 INFO L231 Difference]: Finished difference. Result has 1644 places, 1710 transitions, 3430 flow [2025-03-08 22:05:09,599 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=1642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1644, PETRI_TRANSITIONS=1710} [2025-03-08 22:05:09,600 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -12 predicate places. [2025-03-08 22:05:09,600 INFO L471 AbstractCegarLoop]: Abstraction has has 1644 places, 1710 transitions, 3430 flow [2025-03-08 22:05:09,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:09,603 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:09,603 INFO L206 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, 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, 1, 1] [2025-03-08 22:05:09,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:05:09,603 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:09,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:09,604 INFO L85 PathProgramCache]: Analyzing trace with hash -593482855, now seen corresponding path program 1 times [2025-03-08 22:05:09,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:09,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201699739] [2025-03-08 22:05:09,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:09,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:09,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-08 22:05:09,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-08 22:05:09,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:09,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:09,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:09,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201699739] [2025-03-08 22:05:09,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201699739] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:09,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:09,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:09,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193095580] [2025-03-08 22:05:09,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:09,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:09,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:09,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:09,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:09,700 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-08 22:05:09,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:09,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:09,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-08 22:05:09,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:10,797 INFO L124 PetriNetUnfolderBase]: 123/2619 cut-off events. [2025-03-08 22:05:10,798 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-08 22:05:10,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2652 conditions, 2619 events. 123/2619 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14423 event pairs, 5 based on Foata normal form. 0/2103 useless extension candidates. Maximal degree in co-relation 2598. Up to 22 conditions per place. [2025-03-08 22:05:10,892 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2025-03-08 22:05:10,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1709 transitions, 3454 flow [2025-03-08 22:05:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-08 22:05:10,899 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-08 22:05:10,899 INFO L175 Difference]: Start difference. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand 3 states and 5195 transitions. [2025-03-08 22:05:10,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1709 transitions, 3454 flow [2025-03-08 22:05:10,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1709 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:10,916 INFO L231 Difference]: Finished difference. Result has 1643 places, 1709 transitions, 3428 flow [2025-03-08 22:05:10,918 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=1641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3428, PETRI_PLACES=1643, PETRI_TRANSITIONS=1709} [2025-03-08 22:05:10,919 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -13 predicate places. [2025-03-08 22:05:10,919 INFO L471 AbstractCegarLoop]: Abstraction has has 1643 places, 1709 transitions, 3428 flow [2025-03-08 22:05:10,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:10,922 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:10,922 INFO L206 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:10,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:05:10,922 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:10,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:10,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1643914504, now seen corresponding path program 1 times [2025-03-08 22:05:10,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:10,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486111306] [2025-03-08 22:05:10,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:10,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:10,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-08 22:05:10,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-08 22:05:10,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:10,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:10,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:10,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486111306] [2025-03-08 22:05:10,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486111306] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:10,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:10,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:10,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748525709] [2025-03-08 22:05:10,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:10,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:10,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:10,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:10,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:11,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-08 22:05:11,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:11,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:11,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-08 22:05:11,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:11,777 INFO L124 PetriNetUnfolderBase]: 123/2618 cut-off events. [2025-03-08 22:05:11,777 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-08 22:05:11,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2651 conditions, 2618 events. 123/2618 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14879 event pairs, 5 based on Foata normal form. 0/2104 useless extension candidates. Maximal degree in co-relation 2589. Up to 22 conditions per place. [2025-03-08 22:05:11,875 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2025-03-08 22:05:11,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1708 transitions, 3452 flow [2025-03-08 22:05:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-08 22:05:11,881 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-08 22:05:11,881 INFO L175 Difference]: Start difference. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand 3 states and 5195 transitions. [2025-03-08 22:05:11,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1708 transitions, 3452 flow [2025-03-08 22:05:11,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1708 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:11,898 INFO L231 Difference]: Finished difference. Result has 1642 places, 1708 transitions, 3426 flow [2025-03-08 22:05:11,900 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3426, PETRI_PLACES=1642, PETRI_TRANSITIONS=1708} [2025-03-08 22:05:11,901 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -14 predicate places. [2025-03-08 22:05:11,901 INFO L471 AbstractCegarLoop]: Abstraction has has 1642 places, 1708 transitions, 3426 flow [2025-03-08 22:05:11,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:11,903 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:11,903 INFO L206 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:11,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:05:11,904 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:11,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:11,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1372051800, now seen corresponding path program 1 times [2025-03-08 22:05:11,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:11,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509755939] [2025-03-08 22:05:11,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:11,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:11,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-08 22:05:11,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-08 22:05:11,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:11,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:11,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:11,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509755939] [2025-03-08 22:05:11,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509755939] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:11,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:11,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:11,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978174319] [2025-03-08 22:05:11,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:11,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:11,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:11,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:11,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:11,973 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-08 22:05:11,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:11,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:11,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-08 22:05:11,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:12,610 INFO L124 PetriNetUnfolderBase]: 102/2168 cut-off events. [2025-03-08 22:05:12,610 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-08 22:05:12,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 2168 events. 102/2168 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10912 event pairs, 7 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 2133. Up to 25 conditions per place. [2025-03-08 22:05:12,693 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2025-03-08 22:05:12,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1707 transitions, 3450 flow [2025-03-08 22:05:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:12,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-08 22:05:12,699 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-08 22:05:12,699 INFO L175 Difference]: Start difference. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand 3 states and 5195 transitions. [2025-03-08 22:05:12,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1707 transitions, 3450 flow [2025-03-08 22:05:12,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1707 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:12,717 INFO L231 Difference]: Finished difference. Result has 1641 places, 1707 transitions, 3424 flow [2025-03-08 22:05:12,719 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3420, PETRI_DIFFERENCE_MINUEND_PLACES=1639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1641, PETRI_TRANSITIONS=1707} [2025-03-08 22:05:12,720 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -15 predicate places. [2025-03-08 22:05:12,720 INFO L471 AbstractCegarLoop]: Abstraction has has 1641 places, 1707 transitions, 3424 flow [2025-03-08 22:05:12,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:12,722 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:12,722 INFO L206 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, 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, 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] [2025-03-08 22:05:12,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:05:12,723 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:12,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:12,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1937674430, now seen corresponding path program 1 times [2025-03-08 22:05:12,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:12,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889721951] [2025-03-08 22:05:12,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:12,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-08 22:05:12,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-08 22:05:12,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:12,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:12,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:12,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889721951] [2025-03-08 22:05:12,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889721951] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:12,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:12,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:12,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049715729] [2025-03-08 22:05:12,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:12,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:12,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:12,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:12,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:12,802 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-08 22:05:12,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:12,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:12,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-08 22:05:12,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:13,507 INFO L124 PetriNetUnfolderBase]: 102/2167 cut-off events. [2025-03-08 22:05:13,507 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-08 22:05:13,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2202 conditions, 2167 events. 102/2167 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11208 event pairs, 7 based on Foata normal form. 0/1753 useless extension candidates. Maximal degree in co-relation 2124. Up to 25 conditions per place. [2025-03-08 22:05:13,599 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2025-03-08 22:05:13,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1706 transitions, 3448 flow [2025-03-08 22:05:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-08 22:05:13,606 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-08 22:05:13,606 INFO L175 Difference]: Start difference. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand 3 states and 5195 transitions. [2025-03-08 22:05:13,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1706 transitions, 3448 flow [2025-03-08 22:05:13,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:13,629 INFO L231 Difference]: Finished difference. Result has 1640 places, 1706 transitions, 3422 flow [2025-03-08 22:05:13,631 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1640, PETRI_TRANSITIONS=1706} [2025-03-08 22:05:13,631 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -16 predicate places. [2025-03-08 22:05:13,631 INFO L471 AbstractCegarLoop]: Abstraction has has 1640 places, 1706 transitions, 3422 flow [2025-03-08 22:05:13,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-03-08 22:05:13,634 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:13,634 INFO L206 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:13,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:05:13,634 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:13,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:13,635 INFO L85 PathProgramCache]: Analyzing trace with hash -849076987, now seen corresponding path program 1 times [2025-03-08 22:05:13,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:13,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039922961] [2025-03-08 22:05:13,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:13,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:13,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-08 22:05:13,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-08 22:05:13,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:13,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:13,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:13,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039922961] [2025-03-08 22:05:13,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039922961] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:13,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:13,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:13,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121419920] [2025-03-08 22:05:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:13,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:13,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:13,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:13,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:13,724 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1719 out of 1777 [2025-03-08 22:05:13,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1720.3333333333333) internal successors, (5161), 3 states have internal predecessors, (5161), 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) [2025-03-08 22:05:13,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:13,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1719 of 1777 [2025-03-08 22:05:13,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:17,480 INFO L124 PetriNetUnfolderBase]: 504/9850 cut-off events. [2025-03-08 22:05:17,480 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-08 22:05:17,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9933 conditions, 9850 events. 504/9850 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 88770 event pairs, 18 based on Foata normal form. 0/7775 useless extension candidates. Maximal degree in co-relation 9847. Up to 56 conditions per place. [2025-03-08 22:05:17,915 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 19 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2025-03-08 22:05:17,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1705 transitions, 3462 flow [2025-03-08 22:05:17,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5179 transitions. [2025-03-08 22:05:17,921 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9714875257925343 [2025-03-08 22:05:17,921 INFO L175 Difference]: Start difference. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand 3 states and 5179 transitions. [2025-03-08 22:05:17,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1705 transitions, 3462 flow [2025-03-08 22:05:17,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1705 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:17,937 INFO L231 Difference]: Finished difference. Result has 1639 places, 1705 transitions, 3420 flow [2025-03-08 22:05:17,938 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1639, PETRI_TRANSITIONS=1705} [2025-03-08 22:05:17,939 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -17 predicate places. [2025-03-08 22:05:17,939 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1705 transitions, 3420 flow [2025-03-08 22:05:17,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1720.3333333333333) internal successors, (5161), 3 states have internal predecessors, (5161), 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) [2025-03-08 22:05:17,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:17,941 INFO L206 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:17,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:05:17,941 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:17,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:17,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1778571447, now seen corresponding path program 1 times [2025-03-08 22:05:17,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:17,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223157431] [2025-03-08 22:05:17,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:17,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:17,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-08 22:05:17,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-08 22:05:17,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:17,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:17,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:17,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223157431] [2025-03-08 22:05:17,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223157431] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:17,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:17,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:17,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974986428] [2025-03-08 22:05:17,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:17,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:17,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:17,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:17,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:18,047 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-03-08 22:05:18,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-03-08 22:05:18,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:18,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-03-08 22:05:18,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:23,030 INFO L124 PetriNetUnfolderBase]: 792/15279 cut-off events. [2025-03-08 22:05:23,030 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2025-03-08 22:05:23,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15403 conditions, 15279 events. 792/15279 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 154402 event pairs, 30 based on Foata normal form. 0/12031 useless extension candidates. Maximal degree in co-relation 15309. Up to 85 conditions per place. [2025-03-08 22:05:23,576 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2025-03-08 22:05:23,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1704 transitions, 3470 flow [2025-03-08 22:05:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-03-08 22:05:23,582 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-03-08 22:05:23,582 INFO L175 Difference]: Start difference. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand 3 states and 5169 transitions. [2025-03-08 22:05:23,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1704 transitions, 3470 flow [2025-03-08 22:05:23,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1704 transitions, 3466 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:23,597 INFO L231 Difference]: Finished difference. Result has 1638 places, 1704 transitions, 3418 flow [2025-03-08 22:05:23,599 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1638, PETRI_TRANSITIONS=1704} [2025-03-08 22:05:23,599 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -18 predicate places. [2025-03-08 22:05:23,599 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1704 transitions, 3418 flow [2025-03-08 22:05:23,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-03-08 22:05:23,600 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:23,600 INFO L206 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:23,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:05:23,601 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:23,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:23,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1164436534, now seen corresponding path program 1 times [2025-03-08 22:05:23,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:23,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136486563] [2025-03-08 22:05:23,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:23,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:23,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 22:05:23,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 22:05:23,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:23,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:23,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:23,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136486563] [2025-03-08 22:05:23,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136486563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:23,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:23,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:23,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669756412] [2025-03-08 22:05:23,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:23,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:23,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:23,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:23,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:23,688 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1777 [2025-03-08 22:05:23,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 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) [2025-03-08 22:05:23,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:23,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1777 [2025-03-08 22:05:23,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:26,159 INFO L124 PetriNetUnfolderBase]: 297/5780 cut-off events. [2025-03-08 22:05:26,159 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2025-03-08 22:05:26,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5855 conditions, 5780 events. 297/5780 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 42729 event pairs, 18 based on Foata normal form. 0/4585 useless extension candidates. Maximal degree in co-relation 5753. Up to 57 conditions per place. [2025-03-08 22:05:26,446 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 20 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2025-03-08 22:05:26,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1703 transitions, 3460 flow [2025-03-08 22:05:26,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-08 22:05:26,452 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9711123616582255 [2025-03-08 22:05:26,452 INFO L175 Difference]: Start difference. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2025-03-08 22:05:26,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1703 transitions, 3460 flow [2025-03-08 22:05:26,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1703 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:26,467 INFO L231 Difference]: Finished difference. Result has 1637 places, 1703 transitions, 3416 flow [2025-03-08 22:05:26,469 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1637, PETRI_TRANSITIONS=1703} [2025-03-08 22:05:26,470 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -19 predicate places. [2025-03-08 22:05:26,470 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1703 transitions, 3416 flow [2025-03-08 22:05:26,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 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) [2025-03-08 22:05:26,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:26,471 INFO L206 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, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:26,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:05:26,471 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:26,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:26,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1127161388, now seen corresponding path program 1 times [2025-03-08 22:05:26,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:26,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653078905] [2025-03-08 22:05:26,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:26,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:26,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-08 22:05:26,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-08 22:05:26,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:26,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:26,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:26,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:26,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653078905] [2025-03-08 22:05:26,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653078905] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:26,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:26,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:26,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55126848] [2025-03-08 22:05:26,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:26,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:26,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:26,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:26,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:26,575 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-03-08 22:05:26,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-03-08 22:05:26,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:26,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-03-08 22:05:26,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:30,071 INFO L124 PetriNetUnfolderBase]: 447/8497 cut-off events. [2025-03-08 22:05:30,072 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2025-03-08 22:05:30,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8606 conditions, 8497 events. 447/8497 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 71595 event pairs, 30 based on Foata normal form. 0/6711 useless extension candidates. Maximal degree in co-relation 8496. Up to 85 conditions per place. [2025-03-08 22:05:30,555 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2025-03-08 22:05:30,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1702 transitions, 3466 flow [2025-03-08 22:05:30,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-03-08 22:05:30,562 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-03-08 22:05:30,562 INFO L175 Difference]: Start difference. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand 3 states and 5169 transitions. [2025-03-08 22:05:30,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1702 transitions, 3466 flow [2025-03-08 22:05:30,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1702 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:30,580 INFO L231 Difference]: Finished difference. Result has 1636 places, 1702 transitions, 3414 flow [2025-03-08 22:05:30,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1636, PETRI_TRANSITIONS=1702} [2025-03-08 22:05:30,582 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -20 predicate places. [2025-03-08 22:05:30,582 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1702 transitions, 3414 flow [2025-03-08 22:05:30,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-03-08 22:05:30,583 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:30,583 INFO L206 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:30,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:05:30,583 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:30,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:30,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1345152845, now seen corresponding path program 1 times [2025-03-08 22:05:30,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:30,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012842425] [2025-03-08 22:05:30,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:30,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-08 22:05:30,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-08 22:05:30,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:30,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:30,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:30,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012842425] [2025-03-08 22:05:30,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012842425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:30,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:30,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:30,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239835794] [2025-03-08 22:05:30,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:30,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:30,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:30,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:30,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:30,686 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1777 [2025-03-08 22:05:30,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 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) [2025-03-08 22:05:30,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:30,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1777 [2025-03-08 22:05:30,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:31,543 INFO L124 PetriNetUnfolderBase]: 90/1737 cut-off events. [2025-03-08 22:05:31,543 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-03-08 22:05:31,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1803 conditions, 1737 events. 90/1737 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8584 event pairs, 18 based on Foata normal form. 0/1423 useless extension candidates. Maximal degree in co-relation 1685. Up to 57 conditions per place. [2025-03-08 22:05:31,600 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 20 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2025-03-08 22:05:31,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1701 transitions, 3456 flow [2025-03-08 22:05:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:31,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-08 22:05:31,605 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9711123616582255 [2025-03-08 22:05:31,605 INFO L175 Difference]: Start difference. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand 3 states and 5177 transitions. [2025-03-08 22:05:31,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1701 transitions, 3456 flow [2025-03-08 22:05:31,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1701 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:31,618 INFO L231 Difference]: Finished difference. Result has 1635 places, 1701 transitions, 3412 flow [2025-03-08 22:05:31,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1635, PETRI_TRANSITIONS=1701} [2025-03-08 22:05:31,620 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -21 predicate places. [2025-03-08 22:05:31,620 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1701 transitions, 3412 flow [2025-03-08 22:05:31,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 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) [2025-03-08 22:05:31,621 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:31,621 INFO L206 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:31,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 22:05:31,622 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:31,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:31,622 INFO L85 PathProgramCache]: Analyzing trace with hash 835441435, now seen corresponding path program 1 times [2025-03-08 22:05:31,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:31,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980555546] [2025-03-08 22:05:31,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:31,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:31,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-08 22:05:31,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-08 22:05:31,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:31,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:31,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:31,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980555546] [2025-03-08 22:05:31,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980555546] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:31,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:31,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:31,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321810582] [2025-03-08 22:05:31,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:31,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:31,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:31,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:31,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:31,717 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-03-08 22:05:31,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-03-08 22:05:31,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:31,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-03-08 22:05:31,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:32,354 INFO L124 PetriNetUnfolderBase]: 135/2397 cut-off events. [2025-03-08 22:05:32,355 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2025-03-08 22:05:32,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 2397 events. 135/2397 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 13948 event pairs, 30 based on Foata normal form. 0/1936 useless extension candidates. Maximal degree in co-relation 2366. Up to 86 conditions per place. [2025-03-08 22:05:32,460 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2025-03-08 22:05:32,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1700 transitions, 3462 flow [2025-03-08 22:05:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:32,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-03-08 22:05:32,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-03-08 22:05:32,465 INFO L175 Difference]: Start difference. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand 3 states and 5169 transitions. [2025-03-08 22:05:32,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1700 transitions, 3462 flow [2025-03-08 22:05:32,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:32,480 INFO L231 Difference]: Finished difference. Result has 1634 places, 1700 transitions, 3410 flow [2025-03-08 22:05:32,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1634, PETRI_TRANSITIONS=1700} [2025-03-08 22:05:32,482 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -22 predicate places. [2025-03-08 22:05:32,482 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1700 transitions, 3410 flow [2025-03-08 22:05:32,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-03-08 22:05:32,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:32,483 INFO L206 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, 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, 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, 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, 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, 1, 1, 1, 1] [2025-03-08 22:05:32,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 22:05:32,483 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:32,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:32,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1087233331, now seen corresponding path program 1 times [2025-03-08 22:05:32,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:32,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110611676] [2025-03-08 22:05:32,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:32,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:32,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 22:05:32,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 22:05:32,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:32,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:32,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:32,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110611676] [2025-03-08 22:05:32,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110611676] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:32,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:32,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:32,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054027561] [2025-03-08 22:05:32,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:32,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:32,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:32,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:32,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:32,554 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-03-08 22:05:32,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-03-08 22:05:32,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:32,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-03-08 22:05:32,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:34,631 INFO L124 PetriNetUnfolderBase]: 458/8015 cut-off events. [2025-03-08 22:05:34,632 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2025-03-08 22:05:34,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8182 conditions, 8015 events. 458/8015 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 75158 event pairs, 64 based on Foata normal form. 0/6353 useless extension candidates. Maximal degree in co-relation 8048. Up to 130 conditions per place. [2025-03-08 22:05:35,018 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2025-03-08 22:05:35,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1699 transitions, 3446 flow [2025-03-08 22:05:35,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-03-08 22:05:35,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-03-08 22:05:35,022 INFO L175 Difference]: Start difference. First operand has 1634 places, 1700 transitions, 3410 flow. Second operand 3 states and 5183 transitions. [2025-03-08 22:05:35,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1699 transitions, 3446 flow [2025-03-08 22:05:35,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1699 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:35,041 INFO L231 Difference]: Finished difference. Result has 1633 places, 1699 transitions, 3408 flow [2025-03-08 22:05:35,042 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3408, PETRI_PLACES=1633, PETRI_TRANSITIONS=1699} [2025-03-08 22:05:35,042 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -23 predicate places. [2025-03-08 22:05:35,042 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1699 transitions, 3408 flow [2025-03-08 22:05:35,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-03-08 22:05:35,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:35,043 INFO L206 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:35,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 22:05:35,043 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:35,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:35,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1061851871, now seen corresponding path program 1 times [2025-03-08 22:05:35,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:35,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586555550] [2025-03-08 22:05:35,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:35,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:35,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 22:05:35,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 22:05:35,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:35,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:35,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:35,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586555550] [2025-03-08 22:05:35,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586555550] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:35,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:35,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:35,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994156632] [2025-03-08 22:05:35,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:35,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:35,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:35,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:35,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:35,142 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-03-08 22:05:35,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-03-08 22:05:35,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:35,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-03-08 22:05:35,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:37,246 INFO L124 PetriNetUnfolderBase]: 334/6222 cut-off events. [2025-03-08 22:05:37,246 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-03-08 22:05:37,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6321 conditions, 6222 events. 334/6222 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 52543 event pairs, 32 based on Foata normal form. 0/4933 useless extension candidates. Maximal degree in co-relation 6179. Up to 82 conditions per place. [2025-03-08 22:05:37,457 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2025-03-08 22:05:37,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1698 transitions, 3444 flow [2025-03-08 22:05:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-03-08 22:05:37,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-03-08 22:05:37,460 INFO L175 Difference]: Start difference. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand 3 states and 5183 transitions. [2025-03-08 22:05:37,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1698 transitions, 3444 flow [2025-03-08 22:05:37,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1698 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:37,474 INFO L231 Difference]: Finished difference. Result has 1632 places, 1698 transitions, 3406 flow [2025-03-08 22:05:37,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3402, PETRI_DIFFERENCE_MINUEND_PLACES=1630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3406, PETRI_PLACES=1632, PETRI_TRANSITIONS=1698} [2025-03-08 22:05:37,475 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -24 predicate places. [2025-03-08 22:05:37,475 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1698 transitions, 3406 flow [2025-03-08 22:05:37,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-03-08 22:05:37,476 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:37,476 INFO L206 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:37,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 22:05:37,476 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:37,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:37,477 INFO L85 PathProgramCache]: Analyzing trace with hash 132798930, now seen corresponding path program 1 times [2025-03-08 22:05:37,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:37,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120526250] [2025-03-08 22:05:37,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:37,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-08 22:05:37,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-08 22:05:37,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:37,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:37,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:37,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120526250] [2025-03-08 22:05:37,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120526250] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:37,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:37,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:37,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659013899] [2025-03-08 22:05:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:37,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:37,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:37,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:37,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:37,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-03-08 22:05:37,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-03-08 22:05:37,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:37,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-03-08 22:05:37,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:38,939 INFO L124 PetriNetUnfolderBase]: 315/5276 cut-off events. [2025-03-08 22:05:38,940 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2025-03-08 22:05:39,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5428 conditions, 5276 events. 315/5276 cut-off events. For 29/70 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 41700 event pairs, 64 based on Foata normal form. 0/4202 useless extension candidates. Maximal degree in co-relation 5278. Up to 139 conditions per place. [2025-03-08 22:05:39,141 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2025-03-08 22:05:39,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1697 transitions, 3442 flow [2025-03-08 22:05:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-03-08 22:05:39,143 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-03-08 22:05:39,143 INFO L175 Difference]: Start difference. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand 3 states and 5183 transitions. [2025-03-08 22:05:39,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1697 transitions, 3442 flow [2025-03-08 22:05:39,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1697 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:39,156 INFO L231 Difference]: Finished difference. Result has 1631 places, 1697 transitions, 3404 flow [2025-03-08 22:05:39,157 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3404, PETRI_PLACES=1631, PETRI_TRANSITIONS=1697} [2025-03-08 22:05:39,158 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -25 predicate places. [2025-03-08 22:05:39,158 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1697 transitions, 3404 flow [2025-03-08 22:05:39,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-03-08 22:05:39,159 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:39,159 INFO L206 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, 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, 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, 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, 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, 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, 1, 1] [2025-03-08 22:05:39,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 22:05:39,159 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:39,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:39,159 INFO L85 PathProgramCache]: Analyzing trace with hash 174494818, now seen corresponding path program 1 times [2025-03-08 22:05:39,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:39,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5549947] [2025-03-08 22:05:39,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:39,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:39,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 22:05:39,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 22:05:39,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:39,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:39,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:39,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5549947] [2025-03-08 22:05:39,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5549947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:39,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:39,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:39,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235486115] [2025-03-08 22:05:39,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:39,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:39,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:39,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:39,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:39,238 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1777 [2025-03-08 22:05:39,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1697 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-03-08 22:05:39,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:39,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1777 [2025-03-08 22:05:39,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:43,849 INFO L124 PetriNetUnfolderBase]: 744/14366 cut-off events. [2025-03-08 22:05:43,849 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2025-03-08 22:05:44,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14483 conditions, 14366 events. 744/14366 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 143906 event pairs, 28 based on Foata normal form. 0/11327 useless extension candidates. Maximal degree in co-relation 14325. Up to 80 conditions per place. [2025-03-08 22:05:44,829 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 23 selfloop transitions, 2 changer transitions 0/1696 dead transitions. [2025-03-08 22:05:44,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1696 transitions, 3452 flow [2025-03-08 22:05:44,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5171 transitions. [2025-03-08 22:05:44,833 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9699868692552992 [2025-03-08 22:05:44,834 INFO L175 Difference]: Start difference. First operand has 1631 places, 1697 transitions, 3404 flow. Second operand 3 states and 5171 transitions. [2025-03-08 22:05:44,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1696 transitions, 3452 flow [2025-03-08 22:05:44,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1696 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:44,855 INFO L231 Difference]: Finished difference. Result has 1630 places, 1696 transitions, 3402 flow [2025-03-08 22:05:44,856 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3398, PETRI_DIFFERENCE_MINUEND_PLACES=1628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3402, PETRI_PLACES=1630, PETRI_TRANSITIONS=1696} [2025-03-08 22:05:44,857 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -26 predicate places. [2025-03-08 22:05:44,857 INFO L471 AbstractCegarLoop]: Abstraction has has 1630 places, 1696 transitions, 3402 flow [2025-03-08 22:05:44,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-03-08 22:05:44,858 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:44,858 INFO L206 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:44,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 22:05:44,858 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:44,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:44,859 INFO L85 PathProgramCache]: Analyzing trace with hash -943892554, now seen corresponding path program 1 times [2025-03-08 22:05:44,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:44,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601726868] [2025-03-08 22:05:44,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:44,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:44,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-08 22:05:44,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-08 22:05:44,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:44,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:44,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:44,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601726868] [2025-03-08 22:05:44,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601726868] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:44,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:44,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:44,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101237766] [2025-03-08 22:05:44,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:44,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:44,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:44,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:44,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:44,960 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1777 [2025-03-08 22:05:44,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1630 places, 1696 transitions, 3402 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-03-08 22:05:44,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:44,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1777 [2025-03-08 22:05:44,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:47,887 INFO L124 PetriNetUnfolderBase]: 422/8037 cut-off events. [2025-03-08 22:05:47,888 INFO L125 PetriNetUnfolderBase]: For 15/18 co-relation queries the response was YES. [2025-03-08 22:05:48,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8140 conditions, 8037 events. 422/8037 cut-off events. For 15/18 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 66666 event pairs, 28 based on Foata normal form. 0/6361 useless extension candidates. Maximal degree in co-relation 7974. Up to 80 conditions per place. [2025-03-08 22:05:48,411 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 23 selfloop transitions, 2 changer transitions 0/1695 dead transitions. [2025-03-08 22:05:48,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1631 places, 1695 transitions, 3450 flow [2025-03-08 22:05:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5171 transitions. [2025-03-08 22:05:48,414 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9699868692552992 [2025-03-08 22:05:48,414 INFO L175 Difference]: Start difference. First operand has 1630 places, 1696 transitions, 3402 flow. Second operand 3 states and 5171 transitions. [2025-03-08 22:05:48,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1631 places, 1695 transitions, 3450 flow [2025-03-08 22:05:48,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1629 places, 1695 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:48,429 INFO L231 Difference]: Finished difference. Result has 1629 places, 1695 transitions, 3400 flow [2025-03-08 22:05:48,430 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=1627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3400, PETRI_PLACES=1629, PETRI_TRANSITIONS=1695} [2025-03-08 22:05:48,431 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -27 predicate places. [2025-03-08 22:05:48,431 INFO L471 AbstractCegarLoop]: Abstraction has has 1629 places, 1695 transitions, 3400 flow [2025-03-08 22:05:48,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-03-08 22:05:48,432 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:48,432 INFO L206 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:48,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 22:05:48,432 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:48,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:48,433 INFO L85 PathProgramCache]: Analyzing trace with hash -602728239, now seen corresponding path program 1 times [2025-03-08 22:05:48,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:48,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373502175] [2025-03-08 22:05:48,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:48,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:48,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-08 22:05:48,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-08 22:05:48,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:48,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:48,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:48,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373502175] [2025-03-08 22:05:48,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373502175] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:48,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:48,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:48,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375636646] [2025-03-08 22:05:48,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:48,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:48,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:48,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:48,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:48,525 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1777 [2025-03-08 22:05:48,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1629 places, 1695 transitions, 3400 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-03-08 22:05:48,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:48,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1777 [2025-03-08 22:05:48,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:49,009 INFO L124 PetriNetUnfolderBase]: 100/1750 cut-off events. [2025-03-08 22:05:49,009 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2025-03-08 22:05:49,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1839 conditions, 1750 events. 100/1750 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8984 event pairs, 28 based on Foata normal form. 0/1444 useless extension candidates. Maximal degree in co-relation 1665. Up to 80 conditions per place. [2025-03-08 22:05:49,088 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 23 selfloop transitions, 2 changer transitions 0/1694 dead transitions. [2025-03-08 22:05:49,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1630 places, 1694 transitions, 3448 flow [2025-03-08 22:05:49,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:49,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5171 transitions. [2025-03-08 22:05:49,091 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9699868692552992 [2025-03-08 22:05:49,091 INFO L175 Difference]: Start difference. First operand has 1629 places, 1695 transitions, 3400 flow. Second operand 3 states and 5171 transitions. [2025-03-08 22:05:49,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1630 places, 1694 transitions, 3448 flow [2025-03-08 22:05:49,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1628 places, 1694 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:49,107 INFO L231 Difference]: Finished difference. Result has 1628 places, 1694 transitions, 3398 flow [2025-03-08 22:05:49,109 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3394, PETRI_DIFFERENCE_MINUEND_PLACES=1626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3398, PETRI_PLACES=1628, PETRI_TRANSITIONS=1694} [2025-03-08 22:05:49,109 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -28 predicate places. [2025-03-08 22:05:49,109 INFO L471 AbstractCegarLoop]: Abstraction has has 1628 places, 1694 transitions, 3398 flow [2025-03-08 22:05:49,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-03-08 22:05:49,110 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:49,110 INFO L206 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:49,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 22:05:49,111 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-03-08 22:05:49,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:49,111 INFO L85 PathProgramCache]: Analyzing trace with hash 266077404, now seen corresponding path program 1 times [2025-03-08 22:05:49,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:49,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724567771] [2025-03-08 22:05:49,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:49,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-03-08 22:05:49,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-03-08 22:05:49,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:49,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:49,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:49,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724567771] [2025-03-08 22:05:49,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724567771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:49,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:49,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:49,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545804717] [2025-03-08 22:05:49,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:49,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:49,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:49,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:49,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:49,399 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1679 out of 1777 [2025-03-08 22:05:49,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1628 places, 1694 transitions, 3398 flow. Second operand has 3 states, 3 states have (on average 1681.0) internal successors, (5043), 3 states have internal predecessors, (5043), 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) [2025-03-08 22:05:49,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:49,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1679 of 1777 [2025-03-08 22:05:49,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:58,592 INFO L124 PetriNetUnfolderBase]: 3616/42923 cut-off events. [2025-03-08 22:05:58,592 INFO L125 PetriNetUnfolderBase]: For 81/83 co-relation queries the response was YES.