./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 0.2.5-dev-84cfde4 [2024-10-11 17:14:17,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:14:17,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:14:17,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:14:17,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:14:17,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:14:17,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:14:17,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:14:17,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:14:17,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:14:17,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:14:17,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:14:17,678 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:14:17,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:14:17,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:14:17,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:14:17,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:14:17,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:14:17,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:14:17,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:14:17,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:14:17,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:14:17,685 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:14:17,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:14:17,686 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:14:17,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:14:17,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:14:17,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:14:17,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:14:17,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:14:17,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:14:17,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:14:17,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:14:17,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:14:17,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:14:17,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:14:17,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:14:17,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:14:17,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:14:17,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:14:17,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:14:17,690 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b [2024-10-11 17:14:17,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:14:17,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:14:17,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:14:17,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:14:17,949 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:14:17,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2024-10-11 17:14:19,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:14:19,405 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:14:19,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2024-10-11 17:14:19,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7a0e720ca/3bf20ad833344b94bf4fcc7de806d9fa/FLAGce65cd2af [2024-10-11 17:14:19,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7a0e720ca/3bf20ad833344b94bf4fcc7de806d9fa [2024-10-11 17:14:19,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:14:19,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:14:19,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:14:19,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:14:19,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:14:19,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c286408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19, skipping insertion in model container [2024-10-11 17:14:19,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:14:19,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:14:19,658 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:14:19,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:14:19,775 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:14:19,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19 WrapperNode [2024-10-11 17:14:19,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:14:19,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:14:19,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:14:19,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:14:19,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,831 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1321 [2024-10-11 17:14:19,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:14:19,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:14:19,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:14:19,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:14:19,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:14:19,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:14:19,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:14:19,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:14:19,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (1/1) ... [2024-10-11 17:14:19,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:14:19,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:14:19,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:14:19,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:14:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:14:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:14:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:14:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:14:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:14:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-11 17:14:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-11 17:14:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:14:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:14:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 17:14:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:14:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:14:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 17:14:19,995 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:14:20,153 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:14:20,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:14:21,215 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:14:21,215 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:14:21,267 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:14:21,268 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-11 17:14:21,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:21 BoogieIcfgContainer [2024-10-11 17:14:21,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:14:21,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:14:21,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:14:21,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:14:21,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:14:19" (1/3) ... [2024-10-11 17:14:21,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579cd9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:14:21, skipping insertion in model container [2024-10-11 17:14:21,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:19" (2/3) ... [2024-10-11 17:14:21,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579cd9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:14:21, skipping insertion in model container [2024-10-11 17:14:21,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:21" (3/3) ... [2024-10-11 17:14:21,277 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2024-10-11 17:14:21,290 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:14:21,291 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 225 error locations. [2024-10-11 17:14:21,291 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:14:21,588 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-11 17:14:21,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1673 places, 1774 transitions, 3569 flow [2024-10-11 17:14:22,675 INFO L124 PetriNetUnfolderBase]: 111/1771 cut-off events. [2024-10-11 17:14:22,676 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:14:22,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1784 conditions, 1771 events. 111/1771 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7643 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. [2024-10-11 17:14:22,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 1673 places, 1774 transitions, 3569 flow [2024-10-11 17:14:22,791 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1651 places, 1750 transitions, 3518 flow [2024-10-11 17:14:22,800 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:14:22,806 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;@f870485, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:14:22,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 426 error locations. [2024-10-11 17:14:22,809 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:14:22,809 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-10-11 17:14:22,810 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:14:22,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:22,810 INFO L204 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] [2024-10-11 17:14:22,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:22,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:22,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1285342270, now seen corresponding path program 1 times [2024-10-11 17:14:22,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:22,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348872913] [2024-10-11 17:14:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:22,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:22,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:22,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348872913] [2024-10-11 17:14:23,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348872913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:23,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:23,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:23,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983315204] [2024-10-11 17:14:23,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:23,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:23,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:23,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:23,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:23,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-10-11 17:14:23,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1750 transitions, 3518 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) [2024-10-11 17:14:23,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:23,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-10-11 17:14:23,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:24,537 INFO L124 PetriNetUnfolderBase]: 124/2623 cut-off events. [2024-10-11 17:14:24,537 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-10-11 17:14:24,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2666 conditions, 2623 events. 124/2623 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14364 event pairs, 5 based on Foata normal form. 106/2206 useless extension candidates. Maximal degree in co-relation 2279. Up to 22 conditions per place. [2024-10-11 17:14:24,664 INFO L140 encePairwiseOnDemand]: 1735/1774 looper letters, 11 selfloop transitions, 2 changer transitions 6/1713 dead transitions. [2024-10-11 17:14:24,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1652 places, 1713 transitions, 3470 flow [2024-10-11 17:14:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5213 transitions. [2024-10-11 17:14:24,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9795189778278842 [2024-10-11 17:14:24,689 INFO L175 Difference]: Start difference. First operand has 1651 places, 1750 transitions, 3518 flow. Second operand 3 states and 5213 transitions. [2024-10-11 17:14:24,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1652 places, 1713 transitions, 3470 flow [2024-10-11 17:14:24,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1713 transitions, 3458 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-11 17:14:24,725 INFO L231 Difference]: Finished difference. Result has 1646 places, 1707 transitions, 3424 flow [2024-10-11 17:14:24,730 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:24,733 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -5 predicate places. [2024-10-11 17:14:24,734 INFO L471 AbstractCegarLoop]: Abstraction has has 1646 places, 1707 transitions, 3424 flow [2024-10-11 17:14:24,737 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) [2024-10-11 17:14:24,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:24,737 INFO L204 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] [2024-10-11 17:14:24,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:14:24,738 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:24,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:24,738 INFO L85 PathProgramCache]: Analyzing trace with hash -233112910, now seen corresponding path program 1 times [2024-10-11 17:14:24,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:24,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136903749] [2024-10-11 17:14:24,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:24,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:24,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:24,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136903749] [2024-10-11 17:14:24,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136903749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:24,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:24,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:24,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543882489] [2024-10-11 17:14:24,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:24,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:24,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:24,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-10-11 17:14:24,828 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) [2024-10-11 17:14:24,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:24,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-10-11 17:14:24,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:25,878 INFO L124 PetriNetUnfolderBase]: 124/2616 cut-off events. [2024-10-11 17:14:25,878 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-11 17:14:25,957 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 14880 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. [2024-10-11 17:14:25,991 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2024-10-11 17:14:25,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1706 transitions, 3448 flow [2024-10-11 17:14:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:25,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-10-11 17:14:25,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-10-11 17:14:25,999 INFO L175 Difference]: Start difference. First operand has 1646 places, 1707 transitions, 3424 flow. Second operand 3 states and 5177 transitions. [2024-10-11 17:14:25,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1706 transitions, 3448 flow [2024-10-11 17:14:26,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:26,017 INFO L231 Difference]: Finished difference. Result has 1639 places, 1706 transitions, 3422 flow [2024-10-11 17:14:26,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:26,019 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -12 predicate places. [2024-10-11 17:14:26,020 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1706 transitions, 3422 flow [2024-10-11 17:14:26,022 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) [2024-10-11 17:14:26,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:26,023 INFO L204 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] [2024-10-11 17:14:26,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:14:26,023 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:26,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:26,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1640438213, now seen corresponding path program 1 times [2024-10-11 17:14:26,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:26,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776410051] [2024-10-11 17:14:26,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:26,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:26,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:26,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776410051] [2024-10-11 17:14:26,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776410051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:26,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:26,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:26,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806346107] [2024-10-11 17:14:26,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:26,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:26,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:26,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:26,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:26,105 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-10-11 17:14:26,110 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) [2024-10-11 17:14:26,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:26,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-10-11 17:14:26,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:27,850 INFO L124 PetriNetUnfolderBase]: 172/3516 cut-off events. [2024-10-11 17:14:27,850 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-11 17:14:27,952 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 21449 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. [2024-10-11 17:14:27,995 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2024-10-11 17:14:27,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1705 transitions, 3446 flow [2024-10-11 17:14:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-10-11 17:14:28,003 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-10-11 17:14:28,003 INFO L175 Difference]: Start difference. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand 3 states and 5177 transitions. [2024-10-11 17:14:28,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1705 transitions, 3446 flow [2024-10-11 17:14:28,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1705 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:28,022 INFO L231 Difference]: Finished difference. Result has 1638 places, 1705 transitions, 3420 flow [2024-10-11 17:14:28,025 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:28,026 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -13 predicate places. [2024-10-11 17:14:28,027 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1705 transitions, 3420 flow [2024-10-11 17:14:28,030 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) [2024-10-11 17:14:28,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:28,030 INFO L204 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] [2024-10-11 17:14:28,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:14:28,031 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:28,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:28,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1569175430, now seen corresponding path program 1 times [2024-10-11 17:14:28,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:28,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381002303] [2024-10-11 17:14:28,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:28,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:28,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:28,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381002303] [2024-10-11 17:14:28,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381002303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:28,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:28,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:28,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300083229] [2024-10-11 17:14:28,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:28,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:28,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:28,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:28,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:28,123 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-10-11 17:14:28,128 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) [2024-10-11 17:14:28,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:28,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-10-11 17:14:28,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:29,658 INFO L124 PetriNetUnfolderBase]: 172/3515 cut-off events. [2024-10-11 17:14:29,659 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-10-11 17:14:29,781 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 35. Compared 22588 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. [2024-10-11 17:14:29,841 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2024-10-11 17:14:29,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1704 transitions, 3444 flow [2024-10-11 17:14:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-10-11 17:14:29,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-10-11 17:14:29,849 INFO L175 Difference]: Start difference. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand 3 states and 5177 transitions. [2024-10-11 17:14:29,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1704 transitions, 3444 flow [2024-10-11 17:14:29,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1704 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:29,870 INFO L231 Difference]: Finished difference. Result has 1637 places, 1704 transitions, 3418 flow [2024-10-11 17:14:29,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:29,873 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -14 predicate places. [2024-10-11 17:14:29,873 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1704 transitions, 3418 flow [2024-10-11 17:14:29,875 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) [2024-10-11 17:14:29,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:29,876 INFO L204 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] [2024-10-11 17:14:29,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:14:29,876 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:29,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:29,876 INFO L85 PathProgramCache]: Analyzing trace with hash 333694812, now seen corresponding path program 1 times [2024-10-11 17:14:29,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:29,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484689858] [2024-10-11 17:14:29,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:29,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:29,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484689858] [2024-10-11 17:14:29,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484689858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:29,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:29,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:29,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225976611] [2024-10-11 17:14:29,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:29,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:29,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:29,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:29,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:29,941 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-10-11 17:14:30,053 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) [2024-10-11 17:14:30,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:30,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-10-11 17:14:30,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:31,040 INFO L124 PetriNetUnfolderBase]: 103/2164 cut-off events. [2024-10-11 17:14:31,040 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-11 17:14:31,111 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 22. Compared 10798 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. [2024-10-11 17:14:31,139 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2024-10-11 17:14:31,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1703 transitions, 3442 flow [2024-10-11 17:14:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-10-11 17:14:31,145 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-10-11 17:14:31,146 INFO L175 Difference]: Start difference. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2024-10-11 17:14:31,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1703 transitions, 3442 flow [2024-10-11 17:14:31,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1703 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:31,164 INFO L231 Difference]: Finished difference. Result has 1636 places, 1703 transitions, 3416 flow [2024-10-11 17:14:31,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:31,167 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -15 predicate places. [2024-10-11 17:14:31,167 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1703 transitions, 3416 flow [2024-10-11 17:14:31,169 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) [2024-10-11 17:14:31,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:31,170 INFO L204 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] [2024-10-11 17:14:31,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:14:31,170 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:31,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:31,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2017608749, now seen corresponding path program 1 times [2024-10-11 17:14:31,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:31,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364988426] [2024-10-11 17:14:31,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:31,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:31,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:31,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364988426] [2024-10-11 17:14:31,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364988426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:31,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:31,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:31,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994779409] [2024-10-11 17:14:31,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:31,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:31,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:31,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:31,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:31,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-10-11 17:14:31,228 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) [2024-10-11 17:14:31,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:31,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-10-11 17:14:31,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:32,043 INFO L124 PetriNetUnfolderBase]: 103/2163 cut-off events. [2024-10-11 17:14:32,043 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-11 17:14:32,128 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 28. Compared 11124 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. [2024-10-11 17:14:32,164 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2024-10-11 17:14:32,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1702 transitions, 3440 flow [2024-10-11 17:14:32,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-10-11 17:14:32,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-10-11 17:14:32,171 INFO L175 Difference]: Start difference. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand 3 states and 5177 transitions. [2024-10-11 17:14:32,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1702 transitions, 3440 flow [2024-10-11 17:14:32,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1702 transitions, 3436 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:32,190 INFO L231 Difference]: Finished difference. Result has 1635 places, 1702 transitions, 3414 flow [2024-10-11 17:14:32,192 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:32,193 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -16 predicate places. [2024-10-11 17:14:32,195 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1702 transitions, 3414 flow [2024-10-11 17:14:32,201 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) [2024-10-11 17:14:32,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:32,202 INFO L204 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] [2024-10-11 17:14:32,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:14:32,202 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:32,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:32,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1131993380, now seen corresponding path program 1 times [2024-10-11 17:14:32,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:32,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96753739] [2024-10-11 17:14:32,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:32,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:32,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:32,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96753739] [2024-10-11 17:14:32,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96753739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:32,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:32,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:32,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557236967] [2024-10-11 17:14:32,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:32,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:32,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:32,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:32,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-10-11 17:14:32,313 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) [2024-10-11 17:14:32,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:32,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-10-11 17:14:32,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:37,616 INFO L124 PetriNetUnfolderBase]: 505/9846 cut-off events. [2024-10-11 17:14:37,617 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-11 17:14:38,251 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 76. Compared 88643 event pairs, 18 based on Foata normal form. 0/7770 useless extension candidates. Maximal degree in co-relation 9843. Up to 56 conditions per place. [2024-10-11 17:14:38,577 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2024-10-11 17:14:38,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1701 transitions, 3454 flow [2024-10-11 17:14:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-10-11 17:14:38,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-10-11 17:14:38,587 INFO L175 Difference]: Start difference. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand 3 states and 5161 transitions. [2024-10-11 17:14:38,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1701 transitions, 3454 flow [2024-10-11 17:14:38,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1701 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:38,614 INFO L231 Difference]: Finished difference. Result has 1634 places, 1701 transitions, 3412 flow [2024-10-11 17:14:38,616 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:38,617 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -17 predicate places. [2024-10-11 17:14:38,617 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1701 transitions, 3412 flow [2024-10-11 17:14:38,619 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) [2024-10-11 17:14:38,619 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:38,619 INFO L204 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] [2024-10-11 17:14:38,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:14:38,619 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:38,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:38,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2085948360, now seen corresponding path program 1 times [2024-10-11 17:14:38,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:38,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846169913] [2024-10-11 17:14:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:38,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:38,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:38,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846169913] [2024-10-11 17:14:38,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846169913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:38,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:38,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:38,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701623120] [2024-10-11 17:14:38,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:38,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:38,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:38,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:38,771 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-10-11 17:14:38,775 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) [2024-10-11 17:14:38,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:38,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-10-11 17:14:38,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:45,744 INFO L124 PetriNetUnfolderBase]: 793/15275 cut-off events. [2024-10-11 17:14:45,745 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-10-11 17:14:46,534 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 98. Compared 154055 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. [2024-10-11 17:14:46,887 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2024-10-11 17:14:46,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1700 transitions, 3462 flow [2024-10-11 17:14:46,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-10-11 17:14:46,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-10-11 17:14:46,893 INFO L175 Difference]: Start difference. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand 3 states and 5151 transitions. [2024-10-11 17:14:46,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1700 transitions, 3462 flow [2024-10-11 17:14:46,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:46,911 INFO L231 Difference]: Finished difference. Result has 1633 places, 1700 transitions, 3410 flow [2024-10-11 17:14:46,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:46,913 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -18 predicate places. [2024-10-11 17:14:46,913 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1700 transitions, 3410 flow [2024-10-11 17:14:46,915 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) [2024-10-11 17:14:46,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:46,915 INFO L204 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] [2024-10-11 17:14:46,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:14:46,916 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:46,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:46,916 INFO L85 PathProgramCache]: Analyzing trace with hash 384594205, now seen corresponding path program 1 times [2024-10-11 17:14:46,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:46,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329819198] [2024-10-11 17:14:46,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:46,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:46,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:46,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329819198] [2024-10-11 17:14:46,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329819198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:46,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:46,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:46,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261702374] [2024-10-11 17:14:46,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:46,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:46,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:46,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:46,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:47,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-10-11 17:14:47,015 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) [2024-10-11 17:14:47,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:47,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-10-11 17:14:47,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:49,382 INFO L124 PetriNetUnfolderBase]: 298/5776 cut-off events. [2024-10-11 17:14:49,383 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-10-11 17:14:49,633 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 42568 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. [2024-10-11 17:14:49,735 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2024-10-11 17:14:49,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1699 transitions, 3450 flow [2024-10-11 17:14:49,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-10-11 17:14:49,740 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-10-11 17:14:49,740 INFO L175 Difference]: Start difference. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand 3 states and 5161 transitions. [2024-10-11 17:14:49,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1699 transitions, 3450 flow [2024-10-11 17:14:49,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1699 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:49,756 INFO L231 Difference]: Finished difference. Result has 1632 places, 1699 transitions, 3408 flow [2024-10-11 17:14:49,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:49,759 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -19 predicate places. [2024-10-11 17:14:49,759 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1699 transitions, 3408 flow [2024-10-11 17:14:49,760 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) [2024-10-11 17:14:49,760 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:49,760 INFO L204 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] [2024-10-11 17:14:49,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:14:49,760 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:49,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:49,761 INFO L85 PathProgramCache]: Analyzing trace with hash -735321765, now seen corresponding path program 1 times [2024-10-11 17:14:49,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:49,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137726002] [2024-10-11 17:14:49,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:49,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:49,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:49,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137726002] [2024-10-11 17:14:49,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137726002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:49,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:49,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:49,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295338047] [2024-10-11 17:14:49,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:49,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:49,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:49,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:49,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:49,848 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-10-11 17:14:49,850 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) [2024-10-11 17:14:49,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:49,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-10-11 17:14:49,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:53,900 INFO L124 PetriNetUnfolderBase]: 448/8493 cut-off events. [2024-10-11 17:14:53,901 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-10-11 17:14:54,878 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 59. Compared 71441 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. [2024-10-11 17:14:55,161 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2024-10-11 17:14:55,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1698 transitions, 3458 flow [2024-10-11 17:14:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-10-11 17:14:55,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-10-11 17:14:55,168 INFO L175 Difference]: Start difference. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand 3 states and 5151 transitions. [2024-10-11 17:14:55,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1698 transitions, 3458 flow [2024-10-11 17:14:55,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1698 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:55,186 INFO L231 Difference]: Finished difference. Result has 1631 places, 1698 transitions, 3406 flow [2024-10-11 17:14:55,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:55,188 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -20 predicate places. [2024-10-11 17:14:55,189 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1698 transitions, 3406 flow [2024-10-11 17:14:55,190 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) [2024-10-11 17:14:55,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:55,190 INFO L204 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] [2024-10-11 17:14:55,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:14:55,190 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:55,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:55,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1296555649, now seen corresponding path program 1 times [2024-10-11 17:14:55,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:55,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415024260] [2024-10-11 17:14:55,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:55,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:55,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:55,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415024260] [2024-10-11 17:14:55,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415024260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:55,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:55,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:55,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681858506] [2024-10-11 17:14:55,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:55,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:55,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:55,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:55,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:55,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-10-11 17:14:55,303 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) [2024-10-11 17:14:55,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:55,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-10-11 17:14:55,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:55,898 INFO L124 PetriNetUnfolderBase]: 91/1733 cut-off events. [2024-10-11 17:14:55,898 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-10-11 17:14:55,975 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 8608 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. [2024-10-11 17:14:56,008 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2024-10-11 17:14:56,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1697 transitions, 3446 flow [2024-10-11 17:14:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-10-11 17:14:56,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-10-11 17:14:56,015 INFO L175 Difference]: Start difference. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand 3 states and 5161 transitions. [2024-10-11 17:14:56,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1697 transitions, 3446 flow [2024-10-11 17:14:56,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1697 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:56,033 INFO L231 Difference]: Finished difference. Result has 1630 places, 1697 transitions, 3404 flow [2024-10-11 17:14:56,035 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:56,035 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -21 predicate places. [2024-10-11 17:14:56,035 INFO L471 AbstractCegarLoop]: Abstraction has has 1630 places, 1697 transitions, 3404 flow [2024-10-11 17:14:56,037 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) [2024-10-11 17:14:56,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:56,037 INFO L204 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] [2024-10-11 17:14:56,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:14:56,037 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:56,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:56,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1886187943, now seen corresponding path program 1 times [2024-10-11 17:14:56,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:56,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54349455] [2024-10-11 17:14:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:56,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:56,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:56,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54349455] [2024-10-11 17:14:56,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54349455] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:56,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:56,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:56,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463180544] [2024-10-11 17:14:56,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:56,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:56,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:56,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:56,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:56,150 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-10-11 17:14:56,153 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) [2024-10-11 17:14:56,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:56,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-10-11 17:14:56,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:56,941 INFO L124 PetriNetUnfolderBase]: 136/2393 cut-off events. [2024-10-11 17:14:56,941 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-10-11 17:14:57,046 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 26. Compared 13932 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. [2024-10-11 17:14:57,088 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1696 dead transitions. [2024-10-11 17:14:57,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1631 places, 1696 transitions, 3454 flow [2024-10-11 17:14:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-10-11 17:14:57,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-10-11 17:14:57,094 INFO L175 Difference]: Start difference. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand 3 states and 5151 transitions. [2024-10-11 17:14:57,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1631 places, 1696 transitions, 3454 flow [2024-10-11 17:14:57,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1629 places, 1696 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:57,113 INFO L231 Difference]: Finished difference. Result has 1629 places, 1696 transitions, 3402 flow [2024-10-11 17:14:57,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:57,115 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -22 predicate places. [2024-10-11 17:14:57,115 INFO L471 AbstractCegarLoop]: Abstraction has has 1629 places, 1696 transitions, 3402 flow [2024-10-11 17:14:57,116 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) [2024-10-11 17:14:57,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:57,116 INFO L204 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] [2024-10-11 17:14:57,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 17:14:57,116 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:57,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash -533478383, now seen corresponding path program 1 times [2024-10-11 17:14:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868818561] [2024-10-11 17:14:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:57,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:57,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:57,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868818561] [2024-10-11 17:14:57,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868818561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:57,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:57,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:57,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106750314] [2024-10-11 17:14:57,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:57,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:57,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:57,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:57,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:57,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-10-11 17:14:57,204 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) [2024-10-11 17:14:57,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:57,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-10-11 17:14:57,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,569 INFO L124 PetriNetUnfolderBase]: 335/6219 cut-off events. [2024-10-11 17:14:59,569 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-11 17:14:59,825 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 70. Compared 52024 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. [2024-10-11 17:14:59,922 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1695 dead transitions. [2024-10-11 17:14:59,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1630 places, 1695 transitions, 3438 flow [2024-10-11 17:14:59,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-10-11 17:14:59,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-10-11 17:14:59,926 INFO L175 Difference]: Start difference. First operand has 1629 places, 1696 transitions, 3402 flow. Second operand 3 states and 5165 transitions. [2024-10-11 17:14:59,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1630 places, 1695 transitions, 3438 flow [2024-10-11 17:14:59,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1628 places, 1695 transitions, 3434 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,940 INFO L231 Difference]: Finished difference. Result has 1628 places, 1695 transitions, 3400 flow [2024-10-11 17:14:59,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:14:59,942 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -23 predicate places. [2024-10-11 17:14:59,942 INFO L471 AbstractCegarLoop]: Abstraction has has 1628 places, 1695 transitions, 3400 flow [2024-10-11 17:14:59,943 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) [2024-10-11 17:14:59,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,944 INFO L204 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] [2024-10-11 17:14:59,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 17:14:59,944 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:14:59,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,944 INFO L85 PathProgramCache]: Analyzing trace with hash 53400281, now seen corresponding path program 1 times [2024-10-11 17:14:59,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176037603] [2024-10-11 17:14:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176037603] [2024-10-11 17:14:59,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176037603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756866722] [2024-10-11 17:14:59,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:00,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-10-11 17:15:00,016 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) [2024-10-11 17:15:00,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:00,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-10-11 17:15:00,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:03,621 INFO L124 PetriNetUnfolderBase]: 781/14374 cut-off events. [2024-10-11 17:15:03,621 INFO L125 PetriNetUnfolderBase]: For 5/41 co-relation queries the response was YES. [2024-10-11 17:15:04,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14541 conditions, 14374 events. 781/14374 cut-off events. For 5/41 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 158630 event pairs, 64 based on Foata normal form. 0/11328 useless extension candidates. Maximal degree in co-relation 14399. Up to 130 conditions per place. [2024-10-11 17:15:04,239 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1694 dead transitions. [2024-10-11 17:15:04,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1629 places, 1694 transitions, 3436 flow [2024-10-11 17:15:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-10-11 17:15:04,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-10-11 17:15:04,242 INFO L175 Difference]: Start difference. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand 3 states and 5165 transitions. [2024-10-11 17:15:04,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1629 places, 1694 transitions, 3436 flow [2024-10-11 17:15:04,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1627 places, 1694 transitions, 3432 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:04,258 INFO L231 Difference]: Finished difference. Result has 1627 places, 1694 transitions, 3398 flow [2024-10-11 17:15:04,259 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:15:04,260 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -24 predicate places. [2024-10-11 17:15:04,260 INFO L471 AbstractCegarLoop]: Abstraction has has 1627 places, 1694 transitions, 3398 flow [2024-10-11 17:15:04,261 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) [2024-10-11 17:15:04,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:04,261 INFO L204 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] [2024-10-11 17:15:04,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 17:15:04,261 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:15:04,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:04,262 INFO L85 PathProgramCache]: Analyzing trace with hash 882084610, now seen corresponding path program 1 times [2024-10-11 17:15:04,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:04,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901409335] [2024-10-11 17:15:04,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:04,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:04,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:04,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901409335] [2024-10-11 17:15:04,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901409335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:04,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:04,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:04,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139006715] [2024-10-11 17:15:04,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:04,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:04,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:04,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:04,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:04,315 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-10-11 17:15:04,317 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) [2024-10-11 17:15:04,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:04,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-10-11 17:15:04,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:06,115 INFO L124 PetriNetUnfolderBase]: 316/5272 cut-off events. [2024-10-11 17:15:06,115 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2024-10-11 17:15:06,277 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 64. Compared 41554 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. [2024-10-11 17:15:06,343 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1693 dead transitions. [2024-10-11 17:15:06,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1628 places, 1693 transitions, 3434 flow [2024-10-11 17:15:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-10-11 17:15:06,346 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-10-11 17:15:06,347 INFO L175 Difference]: Start difference. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand 3 states and 5165 transitions. [2024-10-11 17:15:06,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1628 places, 1693 transitions, 3434 flow [2024-10-11 17:15:06,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1626 places, 1693 transitions, 3430 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:06,361 INFO L231 Difference]: Finished difference. Result has 1626 places, 1693 transitions, 3396 flow [2024-10-11 17:15:06,362 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:15:06,362 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -25 predicate places. [2024-10-11 17:15:06,362 INFO L471 AbstractCegarLoop]: Abstraction has has 1626 places, 1693 transitions, 3396 flow [2024-10-11 17:15:06,363 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) [2024-10-11 17:15:06,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:06,363 INFO L204 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] [2024-10-11 17:15:06,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 17:15:06,364 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:15:06,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:06,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1801927351, now seen corresponding path program 1 times [2024-10-11 17:15:06,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:06,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643426845] [2024-10-11 17:15:06,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:06,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:06,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:06,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643426845] [2024-10-11 17:15:06,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643426845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:06,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:06,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:06,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310871497] [2024-10-11 17:15:06,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:06,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:06,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:06,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:06,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:06,448 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1774 [2024-10-11 17:15:06,450 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) [2024-10-11 17:15:06,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:06,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1774 [2024-10-11 17:15:06,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:11,726 INFO L124 PetriNetUnfolderBase]: 745/14362 cut-off events. [2024-10-11 17:15:11,727 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-10-11 17:15:12,434 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 143892 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. [2024-10-11 17:15:12,712 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 23 selfloop transitions, 2 changer transitions 0/1692 dead transitions. [2024-10-11 17:15:12,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1627 places, 1692 transitions, 3444 flow [2024-10-11 17:15:12,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5153 transitions. [2024-10-11 17:15:12,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9682450206689215 [2024-10-11 17:15:12,715 INFO L175 Difference]: Start difference. First operand has 1626 places, 1693 transitions, 3396 flow. Second operand 3 states and 5153 transitions. [2024-10-11 17:15:12,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1627 places, 1692 transitions, 3444 flow [2024-10-11 17:15:12,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1625 places, 1692 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:12,730 INFO L231 Difference]: Finished difference. Result has 1625 places, 1692 transitions, 3394 flow [2024-10-11 17:15:12,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:15:12,732 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -26 predicate places. [2024-10-11 17:15:12,732 INFO L471 AbstractCegarLoop]: Abstraction has has 1625 places, 1692 transitions, 3394 flow [2024-10-11 17:15:12,733 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) [2024-10-11 17:15:12,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:12,733 INFO L204 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] [2024-10-11 17:15:12,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 17:15:12,734 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:15:12,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:12,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2121231159, now seen corresponding path program 1 times [2024-10-11 17:15:12,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:12,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389629954] [2024-10-11 17:15:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:12,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:12,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:12,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389629954] [2024-10-11 17:15:12,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389629954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:12,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:12,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:12,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74255875] [2024-10-11 17:15:12,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:12,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:12,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:12,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:12,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:12,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1774 [2024-10-11 17:15:12,823 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) [2024-10-11 17:15:12,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:12,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1774 [2024-10-11 17:15:12,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:17,038 INFO L124 PetriNetUnfolderBase]: 423/8033 cut-off events. [2024-10-11 17:15:17,038 INFO L125 PetriNetUnfolderBase]: For 15/18 co-relation queries the response was YES. [2024-10-11 17:15:17,297 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 66700 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. [2024-10-11 17:15:17,405 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 23 selfloop transitions, 2 changer transitions 0/1691 dead transitions. [2024-10-11 17:15:17,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1626 places, 1691 transitions, 3442 flow [2024-10-11 17:15:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5153 transitions. [2024-10-11 17:15:17,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9682450206689215 [2024-10-11 17:15:17,409 INFO L175 Difference]: Start difference. First operand has 1625 places, 1692 transitions, 3394 flow. Second operand 3 states and 5153 transitions. [2024-10-11 17:15:17,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1626 places, 1691 transitions, 3442 flow [2024-10-11 17:15:17,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1624 places, 1691 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:17,424 INFO L231 Difference]: Finished difference. Result has 1624 places, 1691 transitions, 3392 flow [2024-10-11 17:15:17,425 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:15:17,425 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -27 predicate places. [2024-10-11 17:15:17,425 INFO L471 AbstractCegarLoop]: Abstraction has has 1624 places, 1691 transitions, 3392 flow [2024-10-11 17:15:17,426 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) [2024-10-11 17:15:17,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:17,426 INFO L204 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] [2024-10-11 17:15:17,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 17:15:17,426 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:15:17,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1768737622, now seen corresponding path program 1 times [2024-10-11 17:15:17,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:17,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352515289] [2024-10-11 17:15:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:17,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:17,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:17,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352515289] [2024-10-11 17:15:17,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352515289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:17,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:17,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:17,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369659461] [2024-10-11 17:15:17,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:17,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:17,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:17,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:17,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:17,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1774 [2024-10-11 17:15:17,506 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) [2024-10-11 17:15:17,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:17,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1774 [2024-10-11 17:15:17,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:18,184 INFO L124 PetriNetUnfolderBase]: 101/1746 cut-off events. [2024-10-11 17:15:18,185 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-10-11 17:15:18,257 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 8914 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. [2024-10-11 17:15:18,425 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 23 selfloop transitions, 2 changer transitions 0/1690 dead transitions. [2024-10-11 17:15:18,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1625 places, 1690 transitions, 3440 flow [2024-10-11 17:15:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:18,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5153 transitions. [2024-10-11 17:15:18,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9682450206689215 [2024-10-11 17:15:18,428 INFO L175 Difference]: Start difference. First operand has 1624 places, 1691 transitions, 3392 flow. Second operand 3 states and 5153 transitions. [2024-10-11 17:15:18,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1625 places, 1690 transitions, 3440 flow [2024-10-11 17:15:18,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1623 places, 1690 transitions, 3436 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:18,450 INFO L231 Difference]: Finished difference. Result has 1623 places, 1690 transitions, 3390 flow [2024-10-11 17:15:18,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, 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} [2024-10-11 17:15:18,452 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -28 predicate places. [2024-10-11 17:15:18,452 INFO L471 AbstractCegarLoop]: Abstraction has has 1623 places, 1690 transitions, 3390 flow [2024-10-11 17:15:18,452 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) [2024-10-11 17:15:18,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:18,453 INFO L204 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] [2024-10-11 17:15:18,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 17:15:18,453 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-10-11 17:15:18,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:18,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1522295408, now seen corresponding path program 1 times [2024-10-11 17:15:18,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:18,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787056416] [2024-10-11 17:15:18,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:18,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:18,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787056416] [2024-10-11 17:15:18,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787056416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:18,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:18,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:18,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289733844] [2024-10-11 17:15:18,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:18,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:18,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:18,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:18,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:18,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1673 out of 1774 [2024-10-11 17:15:18,735 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) [2024-10-11 17:15:18,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:18,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1673 of 1774 [2024-10-11 17:15:18,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand