./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 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-trans.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 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:11:50,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:11:50,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:11:50,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:11:50,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:11:50,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:11:50,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:11:50,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:11:50,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:11:50,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:11:50,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:11:50,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:11:50,882 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:11:50,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:11:50,883 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:11:50,883 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:11:50,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:11:50,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:11:50,884 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 -> 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b [2025-03-17 11:11:51,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:11:51,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:11:51,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:11:51,112 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:11:51,112 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:11:51,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2025-03-17 11:11:52,219 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e36d004/ec1f86a904a04ef3bd59ec1a1867bf73/FLAG4c4297aa9 [2025-03-17 11:11:52,435 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:11:52,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2025-03-17 11:11:52,444 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e36d004/ec1f86a904a04ef3bd59ec1a1867bf73/FLAG4c4297aa9 [2025-03-17 11:11:52,782 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e36d004/ec1f86a904a04ef3bd59ec1a1867bf73 [2025-03-17 11:11:52,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:11:52,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:11:52,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:11:52,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:11:52,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:11:52,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:11:52" (1/1) ... [2025-03-17 11:11:52,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bd965c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:52, skipping insertion in model container [2025-03-17 11:11:52,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:11:52" (1/1) ... [2025-03-17 11:11:52,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:11:53,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:11:53,011 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:11:53,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:11:53,083 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:11:53,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53 WrapperNode [2025-03-17 11:11:53,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:11:53,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:11:53,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:11:53,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:11:53,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,132 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1309 [2025-03-17 11:11:53,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:11:53,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:11:53,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:11:53,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:11:53,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:11:53,202 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:11:53,203 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:11:53,203 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:11:53,203 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (1/1) ... [2025-03-17 11:11:53,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:11:53,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:11:53,238 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) [2025-03-17 11:11:53,241 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 [2025-03-17 11:11:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:11:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-17 11:11:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-17 11:11:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-17 11:11:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-17 11:11:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-17 11:11:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-17 11:11:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:11:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 11:11:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:11:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:11:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:11:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 11:11:53,265 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:11:53,403 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:11:53,405 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:11:54,641 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:11:54,641 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:11:54,684 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:11:54,684 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:11:54,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:11:54 BoogieIcfgContainer [2025-03-17 11:11:54,685 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:11:54,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:11:54,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:11:54,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:11:54,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:11:52" (1/3) ... [2025-03-17 11:11:54,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723364ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:11:54, skipping insertion in model container [2025-03-17 11:11:54,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:11:53" (2/3) ... [2025-03-17 11:11:54,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723364ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:11:54, skipping insertion in model container [2025-03-17 11:11:54,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:11:54" (3/3) ... [2025-03-17 11:11:54,693 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2025-03-17 11:11:54,703 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:11:54,704 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-nzb-file-trans.wvr.c that has 4 procedures, 1664 locations, 1 initial locations, 6 loop locations, and 225 error locations. [2025-03-17 11:11:54,704 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:11:54,937 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-17 11:11:54,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1673 places, 1771 transitions, 3563 flow [2025-03-17 11:11:55,909 INFO L124 PetriNetUnfolderBase]: 108/1768 cut-off events. [2025-03-17 11:11:55,911 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-17 11:11:55,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1781 conditions, 1768 events. 108/1768 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7657 event pairs, 0 based on Foata normal form. 0/1435 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2025-03-17 11:11:55,979 INFO L82 GeneralOperation]: Start removeDead. Operand has 1673 places, 1771 transitions, 3563 flow [2025-03-17 11:11:56,028 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1651 places, 1747 transitions, 3512 flow [2025-03-17 11:11:56,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:11:56,049 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;@930ecca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:11:56,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 426 error locations. [2025-03-17 11:11:56,055 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:11:56,055 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2025-03-17 11:11:56,056 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:11:56,056 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:11:56,056 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] [2025-03-17 11:11:56,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:11:56,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:11:56,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1862946520, now seen corresponding path program 1 times [2025-03-17 11:11:56,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:11:56,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944235601] [2025-03-17 11:11:56,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:11:56,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:11:56,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 11:11:56,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 11:11:56,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:11:56,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:11:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:11:56,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:11:56,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944235601] [2025-03-17 11:11:56,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944235601] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:11:56,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:11:56,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:11:56,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208610226] [2025-03-17 11:11:56,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:11:56,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:11:56,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:11:56,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:11:56,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:11:56,288 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1771 [2025-03-17 11:11:56,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1747 transitions, 3512 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) [2025-03-17 11:11:56,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:11:56,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1771 [2025-03-17 11:11:56,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:11:57,497 INFO L124 PetriNetUnfolderBase]: 124/2623 cut-off events. [2025-03-17 11:11:57,497 INFO L125 PetriNetUnfolderBase]: For 16/18 co-relation queries the response was YES. [2025-03-17 11:11:57,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2666 conditions, 2623 events. 124/2623 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14428 event pairs, 5 based on Foata normal form. 103/2203 useless extension candidates. Maximal degree in co-relation 2279. Up to 22 conditions per place. [2025-03-17 11:11:57,638 INFO L140 encePairwiseOnDemand]: 1735/1771 looper letters, 11 selfloop transitions, 2 changer transitions 6/1713 dead transitions. [2025-03-17 11:11:57,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1652 places, 1713 transitions, 3470 flow [2025-03-17 11:11:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:11:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:11:57,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5210 transitions. [2025-03-17 11:11:57,662 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9806135893092415 [2025-03-17 11:11:57,664 INFO L175 Difference]: Start difference. First operand has 1651 places, 1747 transitions, 3512 flow. Second operand 3 states and 5210 transitions. [2025-03-17 11:11:57,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1652 places, 1713 transitions, 3470 flow [2025-03-17 11:11:57,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1713 transitions, 3458 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-17 11:11:57,704 INFO L231 Difference]: Finished difference. Result has 1646 places, 1707 transitions, 3424 flow [2025-03-17 11:11:57,708 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=1644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1646, PETRI_TRANSITIONS=1707} [2025-03-17 11:11:57,712 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -5 predicate places. [2025-03-17 11:11:57,712 INFO L471 AbstractCegarLoop]: Abstraction has has 1646 places, 1707 transitions, 3424 flow [2025-03-17 11:11:57,715 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) [2025-03-17 11:11:57,715 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:11:57,716 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] [2025-03-17 11:11:57,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:11:57,716 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:11:57,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:11:57,717 INFO L85 PathProgramCache]: Analyzing trace with hash 961775122, now seen corresponding path program 1 times [2025-03-17 11:11:57,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:11:57,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253064239] [2025-03-17 11:11:57,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:11:57,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:11:57,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 11:11:57,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 11:11:57,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:11:57,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:11:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:11:57,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:11:57,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253064239] [2025-03-17 11:11:57,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253064239] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:11:57,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:11:57,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:11:57,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091989645] [2025-03-17 11:11:57,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:11:57,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:11:57,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:11:57,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:11:57,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:11:57,858 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1771 [2025-03-17 11:11:57,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1646 places, 1707 transitions, 3424 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) [2025-03-17 11:11:57,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:11:57,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1771 [2025-03-17 11:11:57,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:11:58,726 INFO L124 PetriNetUnfolderBase]: 124/2616 cut-off events. [2025-03-17 11:11:58,727 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-17 11:11:58,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2649 conditions, 2616 events. 124/2616 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 15002 event pairs, 5 based on Foata normal form. 0/2101 useless extension candidates. Maximal degree in co-relation 2603. Up to 22 conditions per place. [2025-03-17 11:11:58,823 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2025-03-17 11:11:58,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1706 transitions, 3448 flow [2025-03-17 11:11:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:11:58,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:11:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-17 11:11:58,832 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744024091850179 [2025-03-17 11:11:58,832 INFO L175 Difference]: Start difference. First operand has 1646 places, 1707 transitions, 3424 flow. Second operand 3 states and 5177 transitions. [2025-03-17 11:11:58,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1706 transitions, 3448 flow [2025-03-17 11:11:58,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:11:58,851 INFO L231 Difference]: Finished difference. Result has 1639 places, 1706 transitions, 3422 flow [2025-03-17 11:11:58,853 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1637, 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=1639, PETRI_TRANSITIONS=1706} [2025-03-17 11:11:58,854 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -12 predicate places. [2025-03-17 11:11:58,854 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1706 transitions, 3422 flow [2025-03-17 11:11:58,856 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) [2025-03-17 11:11:58,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:11:58,856 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] [2025-03-17 11:11:58,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:11:58,857 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:11:58,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:11:58,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1098468069, now seen corresponding path program 1 times [2025-03-17 11:11:58,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:11:58,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349323571] [2025-03-17 11:11:58,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:11:58,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:11:58,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 11:11:58,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 11:11:58,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:11:58,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:11:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:11:58,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:11:58,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349323571] [2025-03-17 11:11:58,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349323571] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:11:58,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:11:58,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:11:58,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007085459] [2025-03-17 11:11:58,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:11:58,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:11:58,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:11:58,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:11:58,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:11:58,923 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1771 [2025-03-17 11:11:58,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1706 transitions, 3422 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) [2025-03-17 11:11:58,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:11:58,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1771 [2025-03-17 11:11:58,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:00,467 INFO L124 PetriNetUnfolderBase]: 172/3516 cut-off events. [2025-03-17 11:12:00,467 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-17 11:12:00,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3554 conditions, 3516 events. 172/3516 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 21510 event pairs, 7 based on Foata normal form. 0/2805 useless extension candidates. Maximal degree in co-relation 3500. Up to 25 conditions per place. [2025-03-17 11:12:00,673 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 11 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2025-03-17 11:12:00,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1705 transitions, 3446 flow [2025-03-17 11:12:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-17 11:12:00,681 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744024091850179 [2025-03-17 11:12:00,681 INFO L175 Difference]: Start difference. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand 3 states and 5177 transitions. [2025-03-17 11:12:00,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1705 transitions, 3446 flow [2025-03-17 11:12:00,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1705 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:00,706 INFO L231 Difference]: Finished difference. Result has 1638 places, 1705 transitions, 3420 flow [2025-03-17 11:12:00,708 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1636, 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=1638, PETRI_TRANSITIONS=1705} [2025-03-17 11:12:00,709 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -13 predicate places. [2025-03-17 11:12:00,709 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1705 transitions, 3420 flow [2025-03-17 11:12:00,712 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) [2025-03-17 11:12:00,712 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:00,712 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] [2025-03-17 11:12:00,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 11:12:00,712 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:00,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:00,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1015258493, now seen corresponding path program 1 times [2025-03-17 11:12:00,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:00,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632039639] [2025-03-17 11:12:00,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:00,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:00,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-17 11:12:00,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 11:12:00,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:00,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:00,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:00,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632039639] [2025-03-17 11:12:00,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632039639] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:00,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:00,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:00,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215150295] [2025-03-17 11:12:00,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:00,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:00,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:00,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:00,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:00,783 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1771 [2025-03-17 11:12:00,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1705 transitions, 3420 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) [2025-03-17 11:12:00,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:00,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1771 [2025-03-17 11:12:00,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:01,758 INFO L124 PetriNetUnfolderBase]: 172/3515 cut-off events. [2025-03-17 11:12:01,759 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2025-03-17 11:12:01,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3553 conditions, 3515 events. 172/3515 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 22622 event pairs, 7 based on Foata normal form. 0/2806 useless extension candidates. Maximal degree in co-relation 3491. Up to 25 conditions per place. [2025-03-17 11:12:01,955 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 11 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2025-03-17 11:12:01,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1704 transitions, 3444 flow [2025-03-17 11:12:01,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-17 11:12:01,961 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744024091850179 [2025-03-17 11:12:01,962 INFO L175 Difference]: Start difference. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand 3 states and 5177 transitions. [2025-03-17 11:12:01,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1704 transitions, 3444 flow [2025-03-17 11:12:01,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1704 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:01,979 INFO L231 Difference]: Finished difference. Result has 1637 places, 1704 transitions, 3418 flow [2025-03-17 11:12:01,980 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1635, 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=1637, PETRI_TRANSITIONS=1704} [2025-03-17 11:12:01,981 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -14 predicate places. [2025-03-17 11:12:01,981 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1704 transitions, 3418 flow [2025-03-17 11:12:01,983 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) [2025-03-17 11:12:01,983 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:01,983 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] [2025-03-17 11:12:01,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 11:12:01,983 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:01,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:01,984 INFO L85 PathProgramCache]: Analyzing trace with hash 424835427, now seen corresponding path program 1 times [2025-03-17 11:12:01,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:01,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387757215] [2025-03-17 11:12:01,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:01,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:01,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 11:12:01,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 11:12:02,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:02,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:02,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:02,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387757215] [2025-03-17 11:12:02,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387757215] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:02,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:02,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:02,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647868967] [2025-03-17 11:12:02,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:02,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:02,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:02,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:02,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:02,050 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1771 [2025-03-17 11:12:02,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1704 transitions, 3418 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) [2025-03-17 11:12:02,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:02,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1771 [2025-03-17 11:12:02,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:02,710 INFO L124 PetriNetUnfolderBase]: 103/2164 cut-off events. [2025-03-17 11:12:02,710 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-17 11:12:02,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 2164 events. 103/2164 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10862 event pairs, 7 based on Foata normal form. 0/1747 useless extension candidates. Maximal degree in co-relation 2129. Up to 25 conditions per place. [2025-03-17 11:12:02,841 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 11 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2025-03-17 11:12:02,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1703 transitions, 3442 flow [2025-03-17 11:12:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:02,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-17 11:12:02,846 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744024091850179 [2025-03-17 11:12:02,846 INFO L175 Difference]: Start difference. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2025-03-17 11:12:02,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1703 transitions, 3442 flow [2025-03-17 11:12:02,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1703 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:02,864 INFO L231 Difference]: Finished difference. Result has 1636 places, 1703 transitions, 3416 flow [2025-03-17 11:12:02,866 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1634, 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=1636, PETRI_TRANSITIONS=1703} [2025-03-17 11:12:02,867 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -15 predicate places. [2025-03-17 11:12:02,867 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1703 transitions, 3416 flow [2025-03-17 11:12:02,869 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) [2025-03-17 11:12:02,869 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:02,869 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] [2025-03-17 11:12:02,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 11:12:02,870 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:02,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:02,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1128697798, now seen corresponding path program 1 times [2025-03-17 11:12:02,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:02,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571332575] [2025-03-17 11:12:02,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:02,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:02,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 11:12:02,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 11:12:02,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:02,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:02,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:02,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571332575] [2025-03-17 11:12:02,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571332575] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:02,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:02,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:02,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929333706] [2025-03-17 11:12:02,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:02,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:02,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:02,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:02,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:02,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1771 [2025-03-17 11:12:02,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1703 transitions, 3416 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) [2025-03-17 11:12:02,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:02,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1771 [2025-03-17 11:12:02,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:03,565 INFO L124 PetriNetUnfolderBase]: 103/2163 cut-off events. [2025-03-17 11:12:03,565 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-17 11:12:03,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 2163 events. 103/2163 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11155 event pairs, 7 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 2120. Up to 25 conditions per place. [2025-03-17 11:12:03,682 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 11 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2025-03-17 11:12:03,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1702 transitions, 3440 flow [2025-03-17 11:12:03,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-03-17 11:12:03,688 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744024091850179 [2025-03-17 11:12:03,688 INFO L175 Difference]: Start difference. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand 3 states and 5177 transitions. [2025-03-17 11:12:03,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1702 transitions, 3440 flow [2025-03-17 11:12:03,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1702 transitions, 3436 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:03,704 INFO L231 Difference]: Finished difference. Result has 1635 places, 1702 transitions, 3414 flow [2025-03-17 11:12:03,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1633, 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=1635, PETRI_TRANSITIONS=1702} [2025-03-17 11:12:03,706 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -16 predicate places. [2025-03-17 11:12:03,706 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1702 transitions, 3414 flow [2025-03-17 11:12:03,708 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) [2025-03-17 11:12:03,708 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:03,709 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] [2025-03-17 11:12:03,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 11:12:03,709 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:03,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:03,709 INFO L85 PathProgramCache]: Analyzing trace with hash -89961612, now seen corresponding path program 1 times [2025-03-17 11:12:03,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:03,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300474918] [2025-03-17 11:12:03,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:03,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:03,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 11:12:03,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 11:12:03,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:03,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:03,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:03,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300474918] [2025-03-17 11:12:03,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300474918] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:03,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:03,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:03,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444594145] [2025-03-17 11:12:03,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:03,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:03,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:03,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:03,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:03,799 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1771 [2025-03-17 11:12:03,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2025-03-17 11:12:03,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:03,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1771 [2025-03-17 11:12:03,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:06,953 INFO L124 PetriNetUnfolderBase]: 505/9846 cut-off events. [2025-03-17 11:12:06,953 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-17 11:12:07,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9929 conditions, 9846 events. 505/9846 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 88706 event pairs, 18 based on Foata normal form. 0/7774 useless extension candidates. Maximal degree in co-relation 9843. Up to 56 conditions per place. [2025-03-17 11:12:07,306 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 19 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2025-03-17 11:12:07,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1701 transitions, 3454 flow [2025-03-17 11:12:07,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2025-03-17 11:12:07,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.971390927912667 [2025-03-17 11:12:07,313 INFO L175 Difference]: Start difference. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand 3 states and 5161 transitions. [2025-03-17 11:12:07,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1701 transitions, 3454 flow [2025-03-17 11:12:07,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1701 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:07,335 INFO L231 Difference]: Finished difference. Result has 1634 places, 1701 transitions, 3412 flow [2025-03-17 11:12:07,336 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1632, 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=1634, PETRI_TRANSITIONS=1701} [2025-03-17 11:12:07,337 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -17 predicate places. [2025-03-17 11:12:07,337 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1701 transitions, 3412 flow [2025-03-17 11:12:07,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2025-03-17 11:12:07,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:07,339 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] [2025-03-17 11:12:07,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 11:12:07,339 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:07,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:07,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1328953350, now seen corresponding path program 1 times [2025-03-17 11:12:07,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:07,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170766894] [2025-03-17 11:12:07,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:07,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:07,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 11:12:07,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 11:12:07,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:07,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:07,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:07,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170766894] [2025-03-17 11:12:07,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170766894] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:07,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:07,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:07,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816311837] [2025-03-17 11:12:07,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:07,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:07,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:07,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:07,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:07,472 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1771 [2025-03-17 11:12:07,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2025-03-17 11:12:07,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:07,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1771 [2025-03-17 11:12:07,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:13,020 INFO L124 PetriNetUnfolderBase]: 793/15275 cut-off events. [2025-03-17 11:12:13,020 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2025-03-17 11:12:13,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15399 conditions, 15275 events. 793/15275 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 154290 event pairs, 30 based on Foata normal form. 0/12028 useless extension candidates. Maximal degree in co-relation 15305. Up to 85 conditions per place. [2025-03-17 11:12:13,605 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2025-03-17 11:12:13,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1700 transitions, 3462 flow [2025-03-17 11:12:13,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:13,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2025-03-17 11:12:13,613 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9695087521174478 [2025-03-17 11:12:13,613 INFO L175 Difference]: Start difference. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand 3 states and 5151 transitions. [2025-03-17 11:12:13,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1700 transitions, 3462 flow [2025-03-17 11:12:13,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:13,633 INFO L231 Difference]: Finished difference. Result has 1633 places, 1700 transitions, 3410 flow [2025-03-17 11:12:13,636 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1631, 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=1633, PETRI_TRANSITIONS=1700} [2025-03-17 11:12:13,636 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -18 predicate places. [2025-03-17 11:12:13,636 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1700 transitions, 3410 flow [2025-03-17 11:12:13,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2025-03-17 11:12:13,638 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:13,638 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] [2025-03-17 11:12:13,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 11:12:13,638 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:13,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:13,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1664810014, now seen corresponding path program 1 times [2025-03-17 11:12:13,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:13,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246102476] [2025-03-17 11:12:13,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:13,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:13,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 11:12:13,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 11:12:13,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:13,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:13,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:13,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246102476] [2025-03-17 11:12:13,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246102476] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:13,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:13,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:13,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733601879] [2025-03-17 11:12:13,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:13,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:13,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:13,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:13,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:13,731 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1771 [2025-03-17 11:12:13,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2025-03-17 11:12:13,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:13,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1771 [2025-03-17 11:12:13,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:16,271 INFO L124 PetriNetUnfolderBase]: 298/5776 cut-off events. [2025-03-17 11:12:16,271 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2025-03-17 11:12:16,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5850 conditions, 5776 events. 298/5776 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 42635 event pairs, 18 based on Foata normal form. 0/4582 useless extension candidates. Maximal degree in co-relation 5748. Up to 56 conditions per place. [2025-03-17 11:12:16,552 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 19 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2025-03-17 11:12:16,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1699 transitions, 3450 flow [2025-03-17 11:12:16,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2025-03-17 11:12:16,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.971390927912667 [2025-03-17 11:12:16,558 INFO L175 Difference]: Start difference. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand 3 states and 5161 transitions. [2025-03-17 11:12:16,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1699 transitions, 3450 flow [2025-03-17 11:12:16,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1699 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:16,572 INFO L231 Difference]: Finished difference. Result has 1632 places, 1699 transitions, 3408 flow [2025-03-17 11:12:16,574 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1630, 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=1632, PETRI_TRANSITIONS=1699} [2025-03-17 11:12:16,574 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -19 predicate places. [2025-03-17 11:12:16,575 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1699 transitions, 3408 flow [2025-03-17 11:12:16,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2025-03-17 11:12:16,576 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:16,576 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] [2025-03-17 11:12:16,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 11:12:16,576 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:16,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:16,576 INFO L85 PathProgramCache]: Analyzing trace with hash -127181761, now seen corresponding path program 1 times [2025-03-17 11:12:16,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:16,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564458693] [2025-03-17 11:12:16,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:16,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:16,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 11:12:16,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 11:12:16,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:16,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:16,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:16,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564458693] [2025-03-17 11:12:16,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564458693] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:16,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:16,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:16,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721341812] [2025-03-17 11:12:16,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:16,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:16,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:16,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:16,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:16,675 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1771 [2025-03-17 11:12:16,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2025-03-17 11:12:16,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:16,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1771 [2025-03-17 11:12:16,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:20,264 INFO L124 PetriNetUnfolderBase]: 448/8493 cut-off events. [2025-03-17 11:12:20,264 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2025-03-17 11:12:20,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8602 conditions, 8493 events. 448/8493 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 71477 event pairs, 30 based on Foata normal form. 0/6708 useless extension candidates. Maximal degree in co-relation 8492. Up to 85 conditions per place. [2025-03-17 11:12:20,679 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 24 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2025-03-17 11:12:20,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1698 transitions, 3458 flow [2025-03-17 11:12:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2025-03-17 11:12:20,685 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9695087521174478 [2025-03-17 11:12:20,685 INFO L175 Difference]: Start difference. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand 3 states and 5151 transitions. [2025-03-17 11:12:20,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1698 transitions, 3458 flow [2025-03-17 11:12:20,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1698 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:20,700 INFO L231 Difference]: Finished difference. Result has 1631 places, 1698 transitions, 3406 flow [2025-03-17 11:12:20,702 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3402, PETRI_DIFFERENCE_MINUEND_PLACES=1629, 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=1631, PETRI_TRANSITIONS=1698} [2025-03-17 11:12:20,702 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -20 predicate places. [2025-03-17 11:12:20,702 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1698 transitions, 3406 flow [2025-03-17 11:12:20,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2025-03-17 11:12:20,704 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:20,704 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] [2025-03-17 11:12:20,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 11:12:20,704 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:20,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:20,704 INFO L85 PathProgramCache]: Analyzing trace with hash -747338676, now seen corresponding path program 1 times [2025-03-17 11:12:20,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:20,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501379373] [2025-03-17 11:12:20,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:20,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:20,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 11:12:20,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 11:12:20,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:20,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:20,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:20,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501379373] [2025-03-17 11:12:20,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501379373] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:20,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:20,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:20,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549005978] [2025-03-17 11:12:20,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:20,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:20,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:20,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:20,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:20,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1771 [2025-03-17 11:12:20,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2025-03-17 11:12:20,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:20,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1771 [2025-03-17 11:12:20,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:21,431 INFO L124 PetriNetUnfolderBase]: 91/1733 cut-off events. [2025-03-17 11:12:21,431 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-03-17 11:12:21,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 1733 events. 91/1733 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8583 event pairs, 18 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1680. Up to 56 conditions per place. [2025-03-17 11:12:21,550 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 19 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2025-03-17 11:12:21,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1697 transitions, 3446 flow [2025-03-17 11:12:21,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:21,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2025-03-17 11:12:21,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.971390927912667 [2025-03-17 11:12:21,557 INFO L175 Difference]: Start difference. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand 3 states and 5161 transitions. [2025-03-17 11:12:21,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1697 transitions, 3446 flow [2025-03-17 11:12:21,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1697 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:21,579 INFO L231 Difference]: Finished difference. Result has 1630 places, 1697 transitions, 3404 flow [2025-03-17 11:12:21,580 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1628, 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=1630, PETRI_TRANSITIONS=1697} [2025-03-17 11:12:21,580 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -21 predicate places. [2025-03-17 11:12:21,581 INFO L471 AbstractCegarLoop]: Abstraction has has 1630 places, 1697 transitions, 3404 flow [2025-03-17 11:12:21,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2025-03-17 11:12:21,582 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:21,582 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] [2025-03-17 11:12:21,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 11:12:21,582 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:21,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:21,583 INFO L85 PathProgramCache]: Analyzing trace with hash 251721540, now seen corresponding path program 1 times [2025-03-17 11:12:21,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:21,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854824299] [2025-03-17 11:12:21,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:21,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:21,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 11:12:21,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 11:12:21,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:21,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:21,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:21,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854824299] [2025-03-17 11:12:21,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854824299] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:21,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:21,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:21,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102214022] [2025-03-17 11:12:21,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:21,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:21,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:21,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:21,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:21,804 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1771 [2025-03-17 11:12:21,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2025-03-17 11:12:21,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:21,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1771 [2025-03-17 11:12:21,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:22,506 INFO L124 PetriNetUnfolderBase]: 136/2393 cut-off events. [2025-03-17 11:12:22,506 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2025-03-17 11:12:22,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2488 conditions, 2393 events. 136/2393 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 13901 event pairs, 30 based on Foata normal form. 0/1933 useless extension candidates. Maximal degree in co-relation 2362. Up to 86 conditions per place. [2025-03-17 11:12:22,624 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 24 selfloop transitions, 2 changer transitions 0/1696 dead transitions. [2025-03-17 11:12:22,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1631 places, 1696 transitions, 3454 flow [2025-03-17 11:12:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2025-03-17 11:12:22,629 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9695087521174478 [2025-03-17 11:12:22,629 INFO L175 Difference]: Start difference. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand 3 states and 5151 transitions. [2025-03-17 11:12:22,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1631 places, 1696 transitions, 3454 flow [2025-03-17 11:12:22,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1629 places, 1696 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:22,643 INFO L231 Difference]: Finished difference. Result has 1629 places, 1696 transitions, 3402 flow [2025-03-17 11:12:22,644 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3398, PETRI_DIFFERENCE_MINUEND_PLACES=1627, 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=1629, PETRI_TRANSITIONS=1696} [2025-03-17 11:12:22,645 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -22 predicate places. [2025-03-17 11:12:22,645 INFO L471 AbstractCegarLoop]: Abstraction has has 1629 places, 1696 transitions, 3402 flow [2025-03-17 11:12:22,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2025-03-17 11:12:22,647 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:22,648 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] [2025-03-17 11:12:22,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 11:12:22,648 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:22,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:22,648 INFO L85 PathProgramCache]: Analyzing trace with hash -578797666, now seen corresponding path program 1 times [2025-03-17 11:12:22,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:22,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160835269] [2025-03-17 11:12:22,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:22,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:22,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 11:12:22,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 11:12:22,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:22,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:22,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:22,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160835269] [2025-03-17 11:12:22,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160835269] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:22,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:22,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:22,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443500721] [2025-03-17 11:12:22,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:22,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:22,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:22,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:22,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:22,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1771 [2025-03-17 11:12:22,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1629 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) [2025-03-17 11:12:22,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:22,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1771 [2025-03-17 11:12:22,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:24,433 INFO L124 PetriNetUnfolderBase]: 335/6219 cut-off events. [2025-03-17 11:12:24,433 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2025-03-17 11:12:24,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6318 conditions, 6219 events. 335/6219 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 52167 event pairs, 32 based on Foata normal form. 0/4940 useless extension candidates. Maximal degree in co-relation 6184. Up to 82 conditions per place. [2025-03-17 11:12:24,695 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 17 selfloop transitions, 2 changer transitions 0/1695 dead transitions. [2025-03-17 11:12:24,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1630 places, 1695 transitions, 3438 flow [2025-03-17 11:12:24,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2025-03-17 11:12:24,699 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9721437982307548 [2025-03-17 11:12:24,699 INFO L175 Difference]: Start difference. First operand has 1629 places, 1696 transitions, 3402 flow. Second operand 3 states and 5165 transitions. [2025-03-17 11:12:24,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1630 places, 1695 transitions, 3438 flow [2025-03-17 11:12:24,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1628 places, 1695 transitions, 3434 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:24,712 INFO L231 Difference]: Finished difference. Result has 1628 places, 1695 transitions, 3400 flow [2025-03-17 11:12:24,713 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=1626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3400, PETRI_PLACES=1628, PETRI_TRANSITIONS=1695} [2025-03-17 11:12:24,713 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -23 predicate places. [2025-03-17 11:12:24,713 INFO L471 AbstractCegarLoop]: Abstraction has has 1628 places, 1695 transitions, 3400 flow [2025-03-17 11:12:24,714 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) [2025-03-17 11:12:24,714 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:24,714 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] [2025-03-17 11:12:24,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 11:12:24,714 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:24,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:24,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1841584902, now seen corresponding path program 1 times [2025-03-17 11:12:24,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:24,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606238075] [2025-03-17 11:12:24,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:24,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:24,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-17 11:12:24,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-17 11:12:24,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:24,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:24,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:24,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606238075] [2025-03-17 11:12:24,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606238075] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:24,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:24,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:24,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343322508] [2025-03-17 11:12:24,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:24,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:24,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:24,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:24,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:24,784 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1771 [2025-03-17 11:12:24,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:12:24,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:24,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1771 [2025-03-17 11:12:24,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:27,307 INFO L124 PetriNetUnfolderBase]: 459/8010 cut-off events. [2025-03-17 11:12:27,307 INFO L125 PetriNetUnfolderBase]: For 6/12 co-relation queries the response was YES. [2025-03-17 11:12:27,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8177 conditions, 8010 events. 459/8010 cut-off events. For 6/12 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 75533 event pairs, 64 based on Foata normal form. 0/6333 useless extension candidates. Maximal degree in co-relation 8035. Up to 130 conditions per place. [2025-03-17 11:12:27,690 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 17 selfloop transitions, 2 changer transitions 0/1694 dead transitions. [2025-03-17 11:12:27,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1629 places, 1694 transitions, 3436 flow [2025-03-17 11:12:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:27,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2025-03-17 11:12:27,693 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9721437982307548 [2025-03-17 11:12:27,693 INFO L175 Difference]: Start difference. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand 3 states and 5165 transitions. [2025-03-17 11:12:27,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1629 places, 1694 transitions, 3436 flow [2025-03-17 11:12:27,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1627 places, 1694 transitions, 3432 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:27,707 INFO L231 Difference]: Finished difference. Result has 1627 places, 1694 transitions, 3398 flow [2025-03-17 11:12:27,708 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3394, PETRI_DIFFERENCE_MINUEND_PLACES=1625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3398, PETRI_PLACES=1627, PETRI_TRANSITIONS=1694} [2025-03-17 11:12:27,709 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -24 predicate places. [2025-03-17 11:12:27,709 INFO L471 AbstractCegarLoop]: Abstraction has has 1627 places, 1694 transitions, 3398 flow [2025-03-17 11:12:27,710 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) [2025-03-17 11:12:27,710 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:27,710 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] [2025-03-17 11:12:27,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 11:12:27,710 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:27,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:27,710 INFO L85 PathProgramCache]: Analyzing trace with hash -903809640, now seen corresponding path program 1 times [2025-03-17 11:12:27,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:27,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678637135] [2025-03-17 11:12:27,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:27,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:27,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-17 11:12:27,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-17 11:12:27,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:27,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:27,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:27,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678637135] [2025-03-17 11:12:27,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678637135] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:27,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:27,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:27,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419866665] [2025-03-17 11:12:27,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:27,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:27,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:27,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:27,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:27,775 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1771 [2025-03-17 11:12:27,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1627 places, 1694 transitions, 3398 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) [2025-03-17 11:12:27,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:27,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1771 [2025-03-17 11:12:27,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:29,438 INFO L124 PetriNetUnfolderBase]: 316/5272 cut-off events. [2025-03-17 11:12:29,438 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2025-03-17 11:12:29,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5424 conditions, 5272 events. 316/5272 cut-off events. For 29/70 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 41511 event pairs, 64 based on Foata normal form. 0/4199 useless extension candidates. Maximal degree in co-relation 5274. Up to 139 conditions per place. [2025-03-17 11:12:29,734 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 17 selfloop transitions, 2 changer transitions 0/1693 dead transitions. [2025-03-17 11:12:29,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1628 places, 1693 transitions, 3434 flow [2025-03-17 11:12:29,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2025-03-17 11:12:29,738 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9721437982307548 [2025-03-17 11:12:29,738 INFO L175 Difference]: Start difference. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand 3 states and 5165 transitions. [2025-03-17 11:12:29,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1628 places, 1693 transitions, 3434 flow [2025-03-17 11:12:29,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1626 places, 1693 transitions, 3430 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:29,758 INFO L231 Difference]: Finished difference. Result has 1626 places, 1693 transitions, 3396 flow [2025-03-17 11:12:29,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3392, PETRI_DIFFERENCE_MINUEND_PLACES=1624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3396, PETRI_PLACES=1626, PETRI_TRANSITIONS=1693} [2025-03-17 11:12:29,760 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -25 predicate places. [2025-03-17 11:12:29,760 INFO L471 AbstractCegarLoop]: Abstraction has has 1626 places, 1693 transitions, 3396 flow [2025-03-17 11:12:29,761 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) [2025-03-17 11:12:29,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:29,761 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] [2025-03-17 11:12:29,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 11:12:29,761 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:29,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:29,761 INFO L85 PathProgramCache]: Analyzing trace with hash -956923360, now seen corresponding path program 1 times [2025-03-17 11:12:29,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:29,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430809996] [2025-03-17 11:12:29,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:29,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:29,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-17 11:12:29,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-17 11:12:29,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:29,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:29,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:29,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430809996] [2025-03-17 11:12:29,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430809996] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:29,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:29,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:29,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320132463] [2025-03-17 11:12:29,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:29,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:29,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:29,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:29,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:29,869 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1771 [2025-03-17 11:12:29,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1626 places, 1693 transitions, 3396 flow. Second operand has 3 states, 3 states have (on average 1710.3333333333333) internal successors, (5131), 3 states have internal predecessors, (5131), 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) [2025-03-17 11:12:29,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:29,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1771 [2025-03-17 11:12:29,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:34,528 INFO L124 PetriNetUnfolderBase]: 745/14362 cut-off events. [2025-03-17 11:12:34,528 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2025-03-17 11:12:35,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14479 conditions, 14362 events. 745/14362 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 143862 event pairs, 28 based on Foata normal form. 0/11324 useless extension candidates. Maximal degree in co-relation 14321. Up to 80 conditions per place. [2025-03-17 11:12:35,586 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 23 selfloop transitions, 2 changer transitions 0/1692 dead transitions. [2025-03-17 11:12:35,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1627 places, 1692 transitions, 3444 flow [2025-03-17 11:12:35,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5153 transitions. [2025-03-17 11:12:35,590 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9698851872764916 [2025-03-17 11:12:35,590 INFO L175 Difference]: Start difference. First operand has 1626 places, 1693 transitions, 3396 flow. Second operand 3 states and 5153 transitions. [2025-03-17 11:12:35,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1627 places, 1692 transitions, 3444 flow [2025-03-17 11:12:35,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1625 places, 1692 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:35,606 INFO L231 Difference]: Finished difference. Result has 1625 places, 1692 transitions, 3394 flow [2025-03-17 11:12:35,607 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3390, PETRI_DIFFERENCE_MINUEND_PLACES=1623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1692, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3394, PETRI_PLACES=1625, PETRI_TRANSITIONS=1692} [2025-03-17 11:12:35,608 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -26 predicate places. [2025-03-17 11:12:35,608 INFO L471 AbstractCegarLoop]: Abstraction has has 1625 places, 1692 transitions, 3394 flow [2025-03-17 11:12:35,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1710.3333333333333) internal successors, (5131), 3 states have internal predecessors, (5131), 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) [2025-03-17 11:12:35,609 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:35,609 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] [2025-03-17 11:12:35,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 11:12:35,609 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:35,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:35,610 INFO L85 PathProgramCache]: Analyzing trace with hash -39511688, now seen corresponding path program 1 times [2025-03-17 11:12:35,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:35,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089350581] [2025-03-17 11:12:35,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:35,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:35,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-17 11:12:35,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-17 11:12:35,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:35,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:35,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:35,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089350581] [2025-03-17 11:12:35,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089350581] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:35,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:35,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:35,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397330292] [2025-03-17 11:12:35,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:35,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:35,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:35,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:35,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:35,707 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1771 [2025-03-17 11:12:35,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1625 places, 1692 transitions, 3394 flow. Second operand has 3 states, 3 states have (on average 1710.3333333333333) internal successors, (5131), 3 states have internal predecessors, (5131), 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) [2025-03-17 11:12:35,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:35,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1771 [2025-03-17 11:12:35,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:38,812 INFO L124 PetriNetUnfolderBase]: 423/8033 cut-off events. [2025-03-17 11:12:38,812 INFO L125 PetriNetUnfolderBase]: For 15/18 co-relation queries the response was YES. [2025-03-17 11:12:39,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8136 conditions, 8033 events. 423/8033 cut-off events. For 15/18 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 66557 event pairs, 28 based on Foata normal form. 0/6358 useless extension candidates. Maximal degree in co-relation 7970. Up to 80 conditions per place. [2025-03-17 11:12:39,161 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 23 selfloop transitions, 2 changer transitions 0/1691 dead transitions. [2025-03-17 11:12:39,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1626 places, 1691 transitions, 3442 flow [2025-03-17 11:12:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:39,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5153 transitions. [2025-03-17 11:12:39,163 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9698851872764916 [2025-03-17 11:12:39,163 INFO L175 Difference]: Start difference. First operand has 1625 places, 1692 transitions, 3394 flow. Second operand 3 states and 5153 transitions. [2025-03-17 11:12:39,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1626 places, 1691 transitions, 3442 flow [2025-03-17 11:12:39,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1624 places, 1691 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:39,177 INFO L231 Difference]: Finished difference. Result has 1624 places, 1691 transitions, 3392 flow [2025-03-17 11:12:39,178 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3388, PETRI_DIFFERENCE_MINUEND_PLACES=1622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1689, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3392, PETRI_PLACES=1624, PETRI_TRANSITIONS=1691} [2025-03-17 11:12:39,179 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -27 predicate places. [2025-03-17 11:12:39,179 INFO L471 AbstractCegarLoop]: Abstraction has has 1624 places, 1691 transitions, 3392 flow [2025-03-17 11:12:39,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1710.3333333333333) internal successors, (5131), 3 states have internal predecessors, (5131), 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) [2025-03-17 11:12:39,179 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:39,180 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:12:39,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 11:12:39,180 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:39,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:39,180 INFO L85 PathProgramCache]: Analyzing trace with hash -732578716, now seen corresponding path program 1 times [2025-03-17 11:12:39,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:39,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939650716] [2025-03-17 11:12:39,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:39,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:39,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-17 11:12:39,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 11:12:39,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:39,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:39,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:39,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939650716] [2025-03-17 11:12:39,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939650716] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:39,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:39,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:39,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046052974] [2025-03-17 11:12:39,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:39,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:39,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:39,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:39,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:39,257 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1771 [2025-03-17 11:12:39,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1624 places, 1691 transitions, 3392 flow. Second operand has 3 states, 3 states have (on average 1710.3333333333333) internal successors, (5131), 3 states have internal predecessors, (5131), 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) [2025-03-17 11:12:39,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:39,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1771 [2025-03-17 11:12:39,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:12:39,875 INFO L124 PetriNetUnfolderBase]: 101/1746 cut-off events. [2025-03-17 11:12:39,875 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2025-03-17 11:12:39,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1746 events. 101/1746 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8927 event pairs, 28 based on Foata normal form. 0/1441 useless extension candidates. Maximal degree in co-relation 1661. Up to 80 conditions per place. [2025-03-17 11:12:39,934 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 23 selfloop transitions, 2 changer transitions 0/1690 dead transitions. [2025-03-17 11:12:39,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1625 places, 1690 transitions, 3440 flow [2025-03-17 11:12:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:12:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:12:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5153 transitions. [2025-03-17 11:12:39,937 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9698851872764916 [2025-03-17 11:12:39,937 INFO L175 Difference]: Start difference. First operand has 1624 places, 1691 transitions, 3392 flow. Second operand 3 states and 5153 transitions. [2025-03-17 11:12:39,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1625 places, 1690 transitions, 3440 flow [2025-03-17 11:12:39,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1623 places, 1690 transitions, 3436 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:12:39,951 INFO L231 Difference]: Finished difference. Result has 1623 places, 1690 transitions, 3390 flow [2025-03-17 11:12:39,953 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=3386, PETRI_DIFFERENCE_MINUEND_PLACES=1621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3390, PETRI_PLACES=1623, PETRI_TRANSITIONS=1690} [2025-03-17 11:12:39,953 INFO L279 CegarLoopForPetriNet]: 1651 programPoint places, -28 predicate places. [2025-03-17 11:12:39,953 INFO L471 AbstractCegarLoop]: Abstraction has has 1623 places, 1690 transitions, 3390 flow [2025-03-17 11:12:39,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1710.3333333333333) internal successors, (5131), 3 states have internal predecessors, (5131), 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) [2025-03-17 11:12:39,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:12:39,954 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:12:39,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 11:12:39,954 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2025-03-17 11:12:39,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:12:39,955 INFO L85 PathProgramCache]: Analyzing trace with hash -351739913, now seen corresponding path program 1 times [2025-03-17 11:12:39,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:12:39,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542156897] [2025-03-17 11:12:39,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:12:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:12:39,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-03-17 11:12:39,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-03-17 11:12:39,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:12:39,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:12:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:12:40,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:12:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542156897] [2025-03-17 11:12:40,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542156897] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:12:40,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:12:40,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:12:40,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390443119] [2025-03-17 11:12:40,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:12:40,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:12:40,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:12:40,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:12:40,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:12:40,254 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1673 out of 1771 [2025-03-17 11:12:40,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1623 places, 1690 transitions, 3390 flow. Second operand has 3 states, 3 states have (on average 1675.0) internal successors, (5025), 3 states have internal predecessors, (5025), 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) [2025-03-17 11:12:40,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:12:40,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1673 of 1771 [2025-03-17 11:12:40,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand