./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 798a7b37 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-?-798a7b3-m [2025-03-04 06:52:59,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:52:59,896 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:52:59,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:52:59,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:52:59,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:52:59,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:52:59,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:52:59,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:52:59,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:52:59,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:52:59,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:52:59,917 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:52:59,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:52:59,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:52:59,917 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:52:59,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:52:59,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:52:59,918 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:52:59,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:52:59,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:52:59,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:52:59,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:52:59,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:52:59,919 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 [2025-03-04 06:53:00,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:53:00,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:53:00,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:53:00,149 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:53:00,149 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:53:00,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2025-03-04 06:53:01,254 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/230bce367/c7830d9328d240e3924011b58086bc39/FLAGcb06a9eb7 [2025-03-04 06:53:01,520 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:53:01,521 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2025-03-04 06:53:01,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/230bce367/c7830d9328d240e3924011b58086bc39/FLAGcb06a9eb7 [2025-03-04 06:53:01,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/230bce367/c7830d9328d240e3924011b58086bc39 [2025-03-04 06:53:01,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:53:01,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:53:01,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:53:01,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:53:01,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:53:01,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:53:01" (1/1) ... [2025-03-04 06:53:01,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cee22fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:01, skipping insertion in model container [2025-03-04 06:53:01,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:53:01" (1/1) ... [2025-03-04 06:53:01,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:53:02,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:53:02,026 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:53:02,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:53:02,106 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:53:02,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02 WrapperNode [2025-03-04 06:53:02,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:53:02,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:53:02,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:53:02,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:53:02,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,178 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1313 [2025-03-04 06:53:02,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:53:02,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:53:02,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:53:02,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:53:02,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,208 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:53:02,228 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:53:02,228 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:53:02,228 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:53:02,229 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (1/1) ... [2025-03-04 06:53:02,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:53:02,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:53:02,253 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) [2025-03-04 06:53:02,258 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 [2025-03-04 06:53:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:53:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-04 06:53:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-04 06:53:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-04 06:53:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-04 06:53:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-04 06:53:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-04 06:53:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:53:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 06:53:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 06:53:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:53:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:53:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 06:53:02,276 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:53:02,413 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:53:02,415 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:53:03,595 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:53:03,595 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:53:03,630 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:53:03,631 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:53:03,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:53:03 BoogieIcfgContainer [2025-03-04 06:53:03,631 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:53:03,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:53:03,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:53:03,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:53:03,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:53:01" (1/3) ... [2025-03-04 06:53:03,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae21606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:53:03, skipping insertion in model container [2025-03-04 06:53:03,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:53:02" (2/3) ... [2025-03-04 06:53:03,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae21606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:53:03, skipping insertion in model container [2025-03-04 06:53:03,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:53:03" (3/3) ... [2025-03-04 06:53:03,641 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2025-03-04 06:53:03,655 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:53:03,656 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. [2025-03-04 06:53:03,656 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:53:03,871 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-04 06:53:03,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1679 places, 1777 transitions, 3575 flow [2025-03-04 06:53:04,808 INFO L124 PetriNetUnfolderBase]: 108/1774 cut-off events. [2025-03-04 06:53:04,811 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-04 06:53:04,882 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. [2025-03-04 06:53:04,882 INFO L82 GeneralOperation]: Start removeDead. Operand has 1679 places, 1777 transitions, 3575 flow [2025-03-04 06:53:04,929 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1656 places, 1751 transitions, 3520 flow [2025-03-04 06:53:04,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:53:04,941 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;@6e0e5824, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:53:04,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 428 error locations. [2025-03-04 06:53:04,946 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:53:04,946 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2025-03-04 06:53:04,946 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:53:04,946 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:04,947 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] [2025-03-04 06:53:04,947 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)] === [2025-03-04 06:53:04,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:04,951 INFO L85 PathProgramCache]: Analyzing trace with hash -556356908, now seen corresponding path program 1 times [2025-03-04 06:53:04,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:04,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25737424] [2025-03-04 06:53:04,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:04,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:05,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 06:53:05,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 06:53:05,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:05,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:05,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:05,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25737424] [2025-03-04 06:53:05,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25737424] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:05,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:05,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:05,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211375819] [2025-03-04 06:53:05,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:05,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:05,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:05,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:05,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:05,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-04 06:53:05,172 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) [2025-03-04 06:53:05,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:05,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-04 06:53:05,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:06,738 INFO L124 PetriNetUnfolderBase]: 171/3528 cut-off events. [2025-03-04 06:53:06,738 INFO L125 PetriNetUnfolderBase]: For 17/19 co-relation queries the response was YES. [2025-03-04 06:53:06,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3577 conditions, 3528 events. 171/3528 cut-off events. For 17/19 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. [2025-03-04 06:53:06,885 INFO L140 encePairwiseOnDemand]: 1741/1777 looper letters, 11 selfloop transitions, 2 changer transitions 6/1717 dead transitions. [2025-03-04 06:53:06,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1657 places, 1717 transitions, 3478 flow [2025-03-04 06:53:06,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2025-03-04 06:53:06,905 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9806790470830988 [2025-03-04 06:53:06,907 INFO L175 Difference]: Start difference. First operand has 1656 places, 1751 transitions, 3520 flow. Second operand 3 states and 5228 transitions. [2025-03-04 06:53:06,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1657 places, 1717 transitions, 3478 flow [2025-03-04 06:53:06,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1651 places, 1717 transitions, 3466 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-04 06:53:06,945 INFO L231 Difference]: Finished difference. Result has 1651 places, 1711 transitions, 3432 flow [2025-03-04 06:53:06,950 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} [2025-03-04 06:53:06,954 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -5 predicate places. [2025-03-04 06:53:06,956 INFO L471 AbstractCegarLoop]: Abstraction has has 1651 places, 1711 transitions, 3432 flow [2025-03-04 06:53:06,959 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) [2025-03-04 06:53:06,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:06,959 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] [2025-03-04 06:53:06,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:53:06,960 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)] === [2025-03-04 06:53:06,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1794403422, now seen corresponding path program 1 times [2025-03-04 06:53:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:06,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094932623] [2025-03-04 06:53:06,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:06,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 06:53:06,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 06:53:06,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:06,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:07,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:07,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094932623] [2025-03-04 06:53:07,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094932623] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:07,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:07,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:07,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678498253] [2025-03-04 06:53:07,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:07,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:07,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:07,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:07,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:07,037 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-04 06:53:07,042 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) [2025-03-04 06:53:07,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:07,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-04 06:53:07,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:08,505 INFO L124 PetriNetUnfolderBase]: 171/3521 cut-off events. [2025-03-04 06:53:08,505 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2025-03-04 06:53:08,651 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. [2025-03-04 06:53:08,732 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2025-03-04 06:53:08,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1710 transitions, 3456 flow [2025-03-04 06:53:08,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-04 06:53:08,743 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-04 06:53:08,744 INFO L175 Difference]: Start difference. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand 3 states and 5195 transitions. [2025-03-04 06:53:08,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1710 transitions, 3456 flow [2025-03-04 06:53:08,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1710 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:08,771 INFO L231 Difference]: Finished difference. Result has 1644 places, 1710 transitions, 3430 flow [2025-03-04 06:53:08,773 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} [2025-03-04 06:53:08,774 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -12 predicate places. [2025-03-04 06:53:08,774 INFO L471 AbstractCegarLoop]: Abstraction has has 1644 places, 1710 transitions, 3430 flow [2025-03-04 06:53:08,777 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) [2025-03-04 06:53:08,777 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:08,777 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] [2025-03-04 06:53:08,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:53:08,777 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)] === [2025-03-04 06:53:08,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:08,778 INFO L85 PathProgramCache]: Analyzing trace with hash -593482855, now seen corresponding path program 1 times [2025-03-04 06:53:08,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:08,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125848596] [2025-03-04 06:53:08,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:08,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:08,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 06:53:08,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 06:53:08,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:08,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:08,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:08,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125848596] [2025-03-04 06:53:08,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125848596] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:08,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:08,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:08,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34801689] [2025-03-04 06:53:08,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:08,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:08,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:08,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:08,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:08,851 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-04 06:53:08,857 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) [2025-03-04 06:53:08,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:08,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-04 06:53:08,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:09,714 INFO L124 PetriNetUnfolderBase]: 123/2619 cut-off events. [2025-03-04 06:53:09,714 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-04 06:53:09,806 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. [2025-03-04 06:53:09,846 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2025-03-04 06:53:09,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1709 transitions, 3454 flow [2025-03-04 06:53:09,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-04 06:53:09,852 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-04 06:53:09,852 INFO L175 Difference]: Start difference. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand 3 states and 5195 transitions. [2025-03-04 06:53:09,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1709 transitions, 3454 flow [2025-03-04 06:53:09,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1709 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:09,870 INFO L231 Difference]: Finished difference. Result has 1643 places, 1709 transitions, 3428 flow [2025-03-04 06:53:09,872 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} [2025-03-04 06:53:09,872 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -13 predicate places. [2025-03-04 06:53:09,872 INFO L471 AbstractCegarLoop]: Abstraction has has 1643 places, 1709 transitions, 3428 flow [2025-03-04 06:53:09,875 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) [2025-03-04 06:53:09,875 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:09,875 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] [2025-03-04 06:53:09,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:53:09,875 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)] === [2025-03-04 06:53:09,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:09,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1643914504, now seen corresponding path program 1 times [2025-03-04 06:53:09,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:09,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571466055] [2025-03-04 06:53:09,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:09,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:09,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 06:53:09,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 06:53:09,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:09,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:09,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571466055] [2025-03-04 06:53:09,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571466055] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:09,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:09,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:09,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740839916] [2025-03-04 06:53:09,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:09,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:09,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:09,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:09,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:09,947 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-04 06:53:09,952 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) [2025-03-04 06:53:09,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:09,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-04 06:53:09,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:10,853 INFO L124 PetriNetUnfolderBase]: 123/2618 cut-off events. [2025-03-04 06:53:10,853 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-04 06:53:10,926 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. [2025-03-04 06:53:10,955 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2025-03-04 06:53:10,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1708 transitions, 3452 flow [2025-03-04 06:53:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:10,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-04 06:53:10,961 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-04 06:53:10,961 INFO L175 Difference]: Start difference. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand 3 states and 5195 transitions. [2025-03-04 06:53:10,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1708 transitions, 3452 flow [2025-03-04 06:53:10,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1708 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:10,977 INFO L231 Difference]: Finished difference. Result has 1642 places, 1708 transitions, 3426 flow [2025-03-04 06:53:10,978 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} [2025-03-04 06:53:10,979 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -14 predicate places. [2025-03-04 06:53:10,979 INFO L471 AbstractCegarLoop]: Abstraction has has 1642 places, 1708 transitions, 3426 flow [2025-03-04 06:53:10,981 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) [2025-03-04 06:53:10,981 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:10,981 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] [2025-03-04 06:53:10,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:53:10,982 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)] === [2025-03-04 06:53:10,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:10,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1372051800, now seen corresponding path program 1 times [2025-03-04 06:53:10,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:10,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502291425] [2025-03-04 06:53:10,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:10,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:10,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 06:53:11,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 06:53:11,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:11,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:11,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:11,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502291425] [2025-03-04 06:53:11,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502291425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:11,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:11,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:11,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347907421] [2025-03-04 06:53:11,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:11,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:11,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:11,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:11,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:11,051 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-04 06:53:11,056 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) [2025-03-04 06:53:11,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:11,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-04 06:53:11,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:11,946 INFO L124 PetriNetUnfolderBase]: 102/2168 cut-off events. [2025-03-04 06:53:11,946 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-04 06:53:12,030 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. [2025-03-04 06:53:12,071 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2025-03-04 06:53:12,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1707 transitions, 3450 flow [2025-03-04 06:53:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-04 06:53:12,078 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-04 06:53:12,078 INFO L175 Difference]: Start difference. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand 3 states and 5195 transitions. [2025-03-04 06:53:12,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1707 transitions, 3450 flow [2025-03-04 06:53:12,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1707 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:12,102 INFO L231 Difference]: Finished difference. Result has 1641 places, 1707 transitions, 3424 flow [2025-03-04 06:53:12,104 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} [2025-03-04 06:53:12,105 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -15 predicate places. [2025-03-04 06:53:12,105 INFO L471 AbstractCegarLoop]: Abstraction has has 1641 places, 1707 transitions, 3424 flow [2025-03-04 06:53:12,108 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) [2025-03-04 06:53:12,108 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:12,108 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] [2025-03-04 06:53:12,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:53:12,108 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)] === [2025-03-04 06:53:12,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:12,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1937674430, now seen corresponding path program 1 times [2025-03-04 06:53:12,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:12,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016960428] [2025-03-04 06:53:12,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:12,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-04 06:53:12,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-04 06:53:12,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:12,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:12,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:12,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:12,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016960428] [2025-03-04 06:53:12,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016960428] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:12,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:12,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:12,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385430675] [2025-03-04 06:53:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:12,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:12,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:12,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:12,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:12,191 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-03-04 06:53:12,197 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) [2025-03-04 06:53:12,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:12,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-03-04 06:53:12,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:13,303 INFO L124 PetriNetUnfolderBase]: 102/2167 cut-off events. [2025-03-04 06:53:13,303 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-04 06:53:13,404 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. [2025-03-04 06:53:13,455 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2025-03-04 06:53:13,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1706 transitions, 3448 flow [2025-03-04 06:53:13,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:13,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-03-04 06:53:13,463 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-03-04 06:53:13,463 INFO L175 Difference]: Start difference. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand 3 states and 5195 transitions. [2025-03-04 06:53:13,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1706 transitions, 3448 flow [2025-03-04 06:53:13,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:13,487 INFO L231 Difference]: Finished difference. Result has 1640 places, 1706 transitions, 3422 flow [2025-03-04 06:53:13,489 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} [2025-03-04 06:53:13,490 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -16 predicate places. [2025-03-04 06:53:13,490 INFO L471 AbstractCegarLoop]: Abstraction has has 1640 places, 1706 transitions, 3422 flow [2025-03-04 06:53:13,493 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) [2025-03-04 06:53:13,493 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:13,493 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] [2025-03-04 06:53:13,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 06:53:13,493 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)] === [2025-03-04 06:53:13,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:13,493 INFO L85 PathProgramCache]: Analyzing trace with hash -849076987, now seen corresponding path program 1 times [2025-03-04 06:53:13,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:13,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010617128] [2025-03-04 06:53:13,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:13,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:13,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 06:53:13,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 06:53:13,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:13,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:13,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:13,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010617128] [2025-03-04 06:53:13,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010617128] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:13,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:13,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:13,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663574252] [2025-03-04 06:53:13,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:13,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:13,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:13,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:13,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:13,591 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1719 out of 1777 [2025-03-04 06:53:13,596 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) [2025-03-04 06:53:13,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:13,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1719 of 1777 [2025-03-04 06:53:13,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:16,891 INFO L124 PetriNetUnfolderBase]: 504/9850 cut-off events. [2025-03-04 06:53:16,892 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-04 06:53:17,201 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. [2025-03-04 06:53:17,325 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 19 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2025-03-04 06:53:17,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1705 transitions, 3462 flow [2025-03-04 06:53:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5179 transitions. [2025-03-04 06:53:17,331 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9714875257925343 [2025-03-04 06:53:17,331 INFO L175 Difference]: Start difference. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand 3 states and 5179 transitions. [2025-03-04 06:53:17,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1705 transitions, 3462 flow [2025-03-04 06:53:17,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1705 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:17,349 INFO L231 Difference]: Finished difference. Result has 1639 places, 1705 transitions, 3420 flow [2025-03-04 06:53:17,351 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} [2025-03-04 06:53:17,351 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -17 predicate places. [2025-03-04 06:53:17,352 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1705 transitions, 3420 flow [2025-03-04 06:53:17,354 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) [2025-03-04 06:53:17,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:17,354 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] [2025-03-04 06:53:17,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 06:53:17,354 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)] === [2025-03-04 06:53:17,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:17,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1778571447, now seen corresponding path program 1 times [2025-03-04 06:53:17,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:17,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373826922] [2025-03-04 06:53:17,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:17,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:17,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 06:53:17,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 06:53:17,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:17,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:17,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:17,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:17,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373826922] [2025-03-04 06:53:17,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373826922] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:17,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:17,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:17,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704295936] [2025-03-04 06:53:17,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:17,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:17,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:17,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:17,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:17,470 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-03-04 06:53:17,473 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) [2025-03-04 06:53:17,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:17,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-03-04 06:53:17,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:23,417 INFO L124 PetriNetUnfolderBase]: 792/15279 cut-off events. [2025-03-04 06:53:23,417 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2025-03-04 06:53:23,956 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. [2025-03-04 06:53:24,219 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2025-03-04 06:53:24,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1704 transitions, 3470 flow [2025-03-04 06:53:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:24,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-03-04 06:53:24,227 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-03-04 06:53:24,227 INFO L175 Difference]: Start difference. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand 3 states and 5169 transitions. [2025-03-04 06:53:24,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1704 transitions, 3470 flow [2025-03-04 06:53:24,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1704 transitions, 3466 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:24,246 INFO L231 Difference]: Finished difference. Result has 1638 places, 1704 transitions, 3418 flow [2025-03-04 06:53:24,247 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} [2025-03-04 06:53:24,248 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -18 predicate places. [2025-03-04 06:53:24,248 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1704 transitions, 3418 flow [2025-03-04 06:53:24,249 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) [2025-03-04 06:53:24,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:24,249 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] [2025-03-04 06:53:24,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 06:53:24,250 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)] === [2025-03-04 06:53:24,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:24,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1164436534, now seen corresponding path program 1 times [2025-03-04 06:53:24,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:24,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446343837] [2025-03-04 06:53:24,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:24,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:24,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-04 06:53:24,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-04 06:53:24,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:24,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:24,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:24,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446343837] [2025-03-04 06:53:24,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446343837] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:24,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:24,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:24,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361842957] [2025-03-04 06:53:24,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:24,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:24,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:24,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:24,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:24,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1777 [2025-03-04 06:53:24,359 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) [2025-03-04 06:53:24,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:24,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1777 [2025-03-04 06:53:24,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:26,908 INFO L124 PetriNetUnfolderBase]: 297/5780 cut-off events. [2025-03-04 06:53:26,908 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2025-03-04 06:53:27,092 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. [2025-03-04 06:53:27,166 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 20 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2025-03-04 06:53:27,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1703 transitions, 3460 flow [2025-03-04 06:53:27,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:27,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-04 06:53:27,171 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9711123616582255 [2025-03-04 06:53:27,171 INFO L175 Difference]: Start difference. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2025-03-04 06:53:27,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1703 transitions, 3460 flow [2025-03-04 06:53:27,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1703 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:27,186 INFO L231 Difference]: Finished difference. Result has 1637 places, 1703 transitions, 3416 flow [2025-03-04 06:53:27,188 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} [2025-03-04 06:53:27,189 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -19 predicate places. [2025-03-04 06:53:27,189 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1703 transitions, 3416 flow [2025-03-04 06:53:27,190 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) [2025-03-04 06:53:27,190 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:27,190 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] [2025-03-04 06:53:27,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 06:53:27,190 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)] === [2025-03-04 06:53:27,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:27,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1127161388, now seen corresponding path program 1 times [2025-03-04 06:53:27,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:27,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047786711] [2025-03-04 06:53:27,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:27,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-04 06:53:27,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-04 06:53:27,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:27,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:27,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:27,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047786711] [2025-03-04 06:53:27,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047786711] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:27,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:27,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:27,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015912967] [2025-03-04 06:53:27,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:27,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:27,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:27,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:27,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:27,288 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-03-04 06:53:27,291 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) [2025-03-04 06:53:27,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:27,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-03-04 06:53:27,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:31,445 INFO L124 PetriNetUnfolderBase]: 447/8497 cut-off events. [2025-03-04 06:53:31,445 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2025-03-04 06:53:31,796 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. [2025-03-04 06:53:31,946 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2025-03-04 06:53:31,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1702 transitions, 3466 flow [2025-03-04 06:53:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-03-04 06:53:31,952 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-03-04 06:53:31,952 INFO L175 Difference]: Start difference. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand 3 states and 5169 transitions. [2025-03-04 06:53:31,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1702 transitions, 3466 flow [2025-03-04 06:53:31,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1702 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:31,966 INFO L231 Difference]: Finished difference. Result has 1636 places, 1702 transitions, 3414 flow [2025-03-04 06:53:31,968 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} [2025-03-04 06:53:31,968 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -20 predicate places. [2025-03-04 06:53:31,968 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1702 transitions, 3414 flow [2025-03-04 06:53:31,969 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) [2025-03-04 06:53:31,969 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:31,969 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] [2025-03-04 06:53:31,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 06:53:31,970 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)] === [2025-03-04 06:53:31,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:31,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1345152845, now seen corresponding path program 1 times [2025-03-04 06:53:31,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:31,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011463943] [2025-03-04 06:53:31,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:31,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 06:53:31,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 06:53:31,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:31,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:32,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:32,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011463943] [2025-03-04 06:53:32,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011463943] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:32,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:32,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:32,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562146368] [2025-03-04 06:53:32,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:32,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:32,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:32,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:32,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:32,066 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1777 [2025-03-04 06:53:32,069 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) [2025-03-04 06:53:32,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:32,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1777 [2025-03-04 06:53:32,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:32,673 INFO L124 PetriNetUnfolderBase]: 90/1737 cut-off events. [2025-03-04 06:53:32,673 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-03-04 06:53:32,730 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. [2025-03-04 06:53:32,755 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 20 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2025-03-04 06:53:32,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1701 transitions, 3456 flow [2025-03-04 06:53:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-04 06:53:32,760 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9711123616582255 [2025-03-04 06:53:32,760 INFO L175 Difference]: Start difference. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand 3 states and 5177 transitions. [2025-03-04 06:53:32,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1701 transitions, 3456 flow [2025-03-04 06:53:32,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1701 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:32,775 INFO L231 Difference]: Finished difference. Result has 1635 places, 1701 transitions, 3412 flow [2025-03-04 06:53:32,776 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} [2025-03-04 06:53:32,777 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -21 predicate places. [2025-03-04 06:53:32,777 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1701 transitions, 3412 flow [2025-03-04 06:53:32,778 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) [2025-03-04 06:53:32,778 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:32,778 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] [2025-03-04 06:53:32,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 06:53:32,778 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)] === [2025-03-04 06:53:32,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:32,778 INFO L85 PathProgramCache]: Analyzing trace with hash 835441435, now seen corresponding path program 1 times [2025-03-04 06:53:32,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:32,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116148667] [2025-03-04 06:53:32,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:32,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:32,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 06:53:32,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 06:53:32,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:32,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:32,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:32,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116148667] [2025-03-04 06:53:32,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116148667] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:32,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:32,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:32,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046619549] [2025-03-04 06:53:32,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:32,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:32,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:32,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:32,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:32,870 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-03-04 06:53:32,873 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) [2025-03-04 06:53:32,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:32,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-03-04 06:53:32,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:33,637 INFO L124 PetriNetUnfolderBase]: 135/2397 cut-off events. [2025-03-04 06:53:33,637 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2025-03-04 06:53:33,720 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. [2025-03-04 06:53:33,755 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2025-03-04 06:53:33,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1700 transitions, 3462 flow [2025-03-04 06:53:33,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:33,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-03-04 06:53:33,760 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-03-04 06:53:33,760 INFO L175 Difference]: Start difference. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand 3 states and 5169 transitions. [2025-03-04 06:53:33,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1700 transitions, 3462 flow [2025-03-04 06:53:33,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:33,774 INFO L231 Difference]: Finished difference. Result has 1634 places, 1700 transitions, 3410 flow [2025-03-04 06:53:33,775 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} [2025-03-04 06:53:33,775 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -22 predicate places. [2025-03-04 06:53:33,775 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1700 transitions, 3410 flow [2025-03-04 06:53:33,776 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) [2025-03-04 06:53:33,776 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:33,776 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] [2025-03-04 06:53:33,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 06:53:33,777 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)] === [2025-03-04 06:53:33,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:33,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1087233331, now seen corresponding path program 1 times [2025-03-04 06:53:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:33,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649505808] [2025-03-04 06:53:33,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:33,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:33,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-04 06:53:33,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-04 06:53:33,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:33,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:33,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:33,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649505808] [2025-03-04 06:53:33,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649505808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:33,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:33,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:33,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736859927] [2025-03-04 06:53:33,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:33,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:33,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:33,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:33,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:33,882 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-03-04 06:53:33,885 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) [2025-03-04 06:53:33,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:33,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-03-04 06:53:33,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:36,369 INFO L124 PetriNetUnfolderBase]: 458/8015 cut-off events. [2025-03-04 06:53:36,370 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2025-03-04 06:53:36,601 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. [2025-03-04 06:53:36,890 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2025-03-04 06:53:36,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1699 transitions, 3446 flow [2025-03-04 06:53:36,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-03-04 06:53:36,893 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-03-04 06:53:36,893 INFO L175 Difference]: Start difference. First operand has 1634 places, 1700 transitions, 3410 flow. Second operand 3 states and 5183 transitions. [2025-03-04 06:53:36,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1699 transitions, 3446 flow [2025-03-04 06:53:36,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1699 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:36,908 INFO L231 Difference]: Finished difference. Result has 1633 places, 1699 transitions, 3408 flow [2025-03-04 06:53:36,909 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} [2025-03-04 06:53:36,910 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -23 predicate places. [2025-03-04 06:53:36,910 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1699 transitions, 3408 flow [2025-03-04 06:53:36,911 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) [2025-03-04 06:53:36,911 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:36,911 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] [2025-03-04 06:53:36,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 06:53:36,911 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)] === [2025-03-04 06:53:36,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:36,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1061851871, now seen corresponding path program 1 times [2025-03-04 06:53:36,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:36,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449235939] [2025-03-04 06:53:36,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:36,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-04 06:53:36,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-04 06:53:36,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:36,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:36,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:36,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:36,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449235939] [2025-03-04 06:53:36,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449235939] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:36,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:36,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:36,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26989728] [2025-03-04 06:53:36,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:36,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:36,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:36,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:36,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:37,005 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-03-04 06:53:37,007 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) [2025-03-04 06:53:37,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:37,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-03-04 06:53:37,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:38,879 INFO L124 PetriNetUnfolderBase]: 334/6222 cut-off events. [2025-03-04 06:53:38,880 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-03-04 06:53:39,062 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. [2025-03-04 06:53:39,137 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2025-03-04 06:53:39,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1698 transitions, 3444 flow [2025-03-04 06:53:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:39,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-03-04 06:53:39,140 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-03-04 06:53:39,140 INFO L175 Difference]: Start difference. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand 3 states and 5183 transitions. [2025-03-04 06:53:39,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1698 transitions, 3444 flow [2025-03-04 06:53:39,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1698 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:39,154 INFO L231 Difference]: Finished difference. Result has 1632 places, 1698 transitions, 3406 flow [2025-03-04 06:53:39,155 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} [2025-03-04 06:53:39,155 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -24 predicate places. [2025-03-04 06:53:39,155 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1698 transitions, 3406 flow [2025-03-04 06:53:39,157 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) [2025-03-04 06:53:39,157 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:39,157 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] [2025-03-04 06:53:39,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 06:53:39,157 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)] === [2025-03-04 06:53:39,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:39,157 INFO L85 PathProgramCache]: Analyzing trace with hash 132798930, now seen corresponding path program 1 times [2025-03-04 06:53:39,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:39,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701156921] [2025-03-04 06:53:39,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:39,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:39,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-04 06:53:39,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-04 06:53:39,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:39,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:39,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:39,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701156921] [2025-03-04 06:53:39,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701156921] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:39,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:39,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:39,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654398780] [2025-03-04 06:53:39,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:39,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:39,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:39,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:39,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:39,235 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-03-04 06:53:39,237 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) [2025-03-04 06:53:39,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:39,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-03-04 06:53:39,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:40,756 INFO L124 PetriNetUnfolderBase]: 315/5276 cut-off events. [2025-03-04 06:53:40,756 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2025-03-04 06:53:40,945 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. [2025-03-04 06:53:41,023 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2025-03-04 06:53:41,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1697 transitions, 3442 flow [2025-03-04 06:53:41,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:41,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:41,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-03-04 06:53:41,026 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-03-04 06:53:41,026 INFO L175 Difference]: Start difference. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand 3 states and 5183 transitions. [2025-03-04 06:53:41,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1697 transitions, 3442 flow [2025-03-04 06:53:41,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1697 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:41,041 INFO L231 Difference]: Finished difference. Result has 1631 places, 1697 transitions, 3404 flow [2025-03-04 06:53:41,043 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} [2025-03-04 06:53:41,043 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -25 predicate places. [2025-03-04 06:53:41,043 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1697 transitions, 3404 flow [2025-03-04 06:53:41,044 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) [2025-03-04 06:53:41,044 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:41,045 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] [2025-03-04 06:53:41,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 06:53:41,045 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)] === [2025-03-04 06:53:41,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:41,045 INFO L85 PathProgramCache]: Analyzing trace with hash 174494818, now seen corresponding path program 1 times [2025-03-04 06:53:41,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:41,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564314324] [2025-03-04 06:53:41,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:41,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:41,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 06:53:41,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 06:53:41,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:41,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:41,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:41,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564314324] [2025-03-04 06:53:41,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564314324] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:41,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:41,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197118401] [2025-03-04 06:53:41,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:41,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:41,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:41,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:41,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:41,129 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1777 [2025-03-04 06:53:41,131 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) [2025-03-04 06:53:41,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:41,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1777 [2025-03-04 06:53:41,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:53:46,069 INFO L124 PetriNetUnfolderBase]: 744/14366 cut-off events. [2025-03-04 06:53:46,070 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2025-03-04 06:53:46,559 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. [2025-03-04 06:53:46,719 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 23 selfloop transitions, 2 changer transitions 0/1696 dead transitions. [2025-03-04 06:53:46,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1696 transitions, 3452 flow [2025-03-04 06:53:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:53:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:53:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5171 transitions. [2025-03-04 06:53:46,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9699868692552992 [2025-03-04 06:53:46,722 INFO L175 Difference]: Start difference. First operand has 1631 places, 1697 transitions, 3404 flow. Second operand 3 states and 5171 transitions. [2025-03-04 06:53:46,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1696 transitions, 3452 flow [2025-03-04 06:53:46,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1696 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:53:46,736 INFO L231 Difference]: Finished difference. Result has 1630 places, 1696 transitions, 3402 flow [2025-03-04 06:53:46,737 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} [2025-03-04 06:53:46,738 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -26 predicate places. [2025-03-04 06:53:46,738 INFO L471 AbstractCegarLoop]: Abstraction has has 1630 places, 1696 transitions, 3402 flow [2025-03-04 06:53:46,738 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) [2025-03-04 06:53:46,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:53:46,739 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] [2025-03-04 06:53:46,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-04 06:53:46,739 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)] === [2025-03-04 06:53:46,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:53:46,739 INFO L85 PathProgramCache]: Analyzing trace with hash -943892554, now seen corresponding path program 1 times [2025-03-04 06:53:46,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:53:46,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549385976] [2025-03-04 06:53:46,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:53:46,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:53:46,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-04 06:53:46,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-04 06:53:46,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:53:46,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:53:46,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:53:46,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:53:46,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549385976] [2025-03-04 06:53:46,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549385976] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:53:46,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:53:46,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:53:46,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895084891] [2025-03-04 06:53:46,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:53:46,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:53:46,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:53:46,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:53:46,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:53:46,840 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1777 [2025-03-04 06:53:46,842 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) [2025-03-04 06:53:46,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:53:46,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1777 [2025-03-04 06:53:46,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand