./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:39:30,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:39:30,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:39:30,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:39:30,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:39:30,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:39:30,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:39:30,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:39:30,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:39:30,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:39:30,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:39:30,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:39:30,847 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:39:30,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:39:30,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:39:30,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:39:30,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:39:30,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:39:30,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:39:30,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:39:30,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:39:30,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:39:30,852 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:39:30,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:39:30,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:39:30,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:39:30,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:39:30,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:39:30,854 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:39:30,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:39:30,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:39:30,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:39:30,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:39:30,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:39:30,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:39:30,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:39:30,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:39:30,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:39:30,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:39:30,857 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:39:30,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:39:30,858 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 [2024-11-10 14:39:31,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:39:31,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:39:31,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:39:31,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:39:31,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:39:31,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2024-11-10 14:39:32,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:39:32,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:39:32,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2024-11-10 14:39:32,834 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f64595412/5e6cbb55159343a3b03861bb40e84a49/FLAGe22de063b [2024-11-10 14:39:32,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f64595412/5e6cbb55159343a3b03861bb40e84a49 [2024-11-10 14:39:32,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:39:32,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:39:32,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:39:32,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:39:32,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:39:32,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:39:32" (1/1) ... [2024-11-10 14:39:32,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a68b2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:32, skipping insertion in model container [2024-11-10 14:39:32,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:39:32" (1/1) ... [2024-11-10 14:39:32,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:39:33,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:39:33,175 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:39:33,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:39:33,247 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:39:33,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33 WrapperNode [2024-11-10 14:39:33,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:39:33,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:39:33,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:39:33,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:39:33,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,306 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 403 [2024-11-10 14:39:33,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:39:33,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:39:33,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:39:33,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:39:33,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,340 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:39:33,351 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:39:33,351 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:39:33,351 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:39:33,352 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (1/1) ... [2024-11-10 14:39:33,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:39:33,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:39:33,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:39:33,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:39:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:39:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:39:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:39:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:39:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:39:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:39:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:39:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:39:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:39:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:39:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:39:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:39:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:39:33,459 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:39:33,580 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:39:33,582 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:39:34,225 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:39:34,226 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:39:34,491 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:39:34,491 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:39:34,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:34 BoogieIcfgContainer [2024-11-10 14:39:34,491 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:39:34,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:39:34,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:39:34,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:39:34,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:39:32" (1/3) ... [2024-11-10 14:39:34,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153a2234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:39:34, skipping insertion in model container [2024-11-10 14:39:34,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:33" (2/3) ... [2024-11-10 14:39:34,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153a2234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:39:34, skipping insertion in model container [2024-11-10 14:39:34,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:34" (3/3) ... [2024-11-10 14:39:34,502 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2024-11-10 14:39:34,518 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:39:34,518 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2024-11-10 14:39:34,518 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:39:34,711 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:39:34,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 367 places, 376 transitions, 766 flow [2024-11-10 14:39:34,899 INFO L124 PetriNetUnfolderBase]: 16/374 cut-off events. [2024-11-10 14:39:34,900 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:39:34,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 374 events. 16/374 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 651 event pairs, 0 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2024-11-10 14:39:34,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 367 places, 376 transitions, 766 flow [2024-11-10 14:39:34,921 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 349 places, 357 transitions, 726 flow [2024-11-10 14:39:34,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:39:34,943 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;@39dc4f3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:39:34,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 117 error locations. [2024-11-10 14:39:34,952 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:39:34,953 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-10 14:39:34,954 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:39:34,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:34,955 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] [2024-11-10 14:39:34,955 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:34,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:34,962 INFO L85 PathProgramCache]: Analyzing trace with hash -169680531, now seen corresponding path program 1 times [2024-11-10 14:39:34,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:34,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900023602] [2024-11-10 14:39:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:34,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:35,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:35,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900023602] [2024-11-10 14:39:35,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900023602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:35,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:35,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:35,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115946155] [2024-11-10 14:39:35,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:35,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:35,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:35,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:35,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:35,240 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:35,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 357 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:35,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:35,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:35,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:35,415 INFO L124 PetriNetUnfolderBase]: 40/489 cut-off events. [2024-11-10 14:39:35,415 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-10 14:39:35,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 489 events. 40/489 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1429 event pairs, 13 based on Foata normal form. 22/413 useless extension candidates. Maximal degree in co-relation 280. Up to 61 conditions per place. [2024-11-10 14:39:35,424 INFO L140 encePairwiseOnDemand]: 332/376 looper letters, 15 selfloop transitions, 2 changer transitions 5/315 dead transitions. [2024-11-10 14:39:35,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 315 transitions, 676 flow [2024-11-10 14:39:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2024-11-10 14:39:35,472 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8874113475177305 [2024-11-10 14:39:35,477 INFO L175 Difference]: Start difference. First operand has 349 places, 357 transitions, 726 flow. Second operand 3 states and 1001 transitions. [2024-11-10 14:39:35,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 315 transitions, 676 flow [2024-11-10 14:39:35,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 668 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:39:35,490 INFO L231 Difference]: Finished difference. Result has 314 places, 310 transitions, 628 flow [2024-11-10 14:39:35,493 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=314, PETRI_TRANSITIONS=310} [2024-11-10 14:39:35,498 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -35 predicate places. [2024-11-10 14:39:35,498 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 310 transitions, 628 flow [2024-11-10 14:39:35,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:35,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:35,500 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] [2024-11-10 14:39:35,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:39:35,501 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:35,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:35,502 INFO L85 PathProgramCache]: Analyzing trace with hash -2103357913, now seen corresponding path program 1 times [2024-11-10 14:39:35,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:35,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068978126] [2024-11-10 14:39:35,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:35,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:35,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068978126] [2024-11-10 14:39:35,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068978126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:35,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:35,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:35,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285330022] [2024-11-10 14:39:35,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:35,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:35,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:35,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:35,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:35,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:35,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:35,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:35,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:35,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:35,730 INFO L124 PetriNetUnfolderBase]: 26/484 cut-off events. [2024-11-10 14:39:35,731 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:39:35,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 484 events. 26/484 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1311 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 506. Up to 44 conditions per place. [2024-11-10 14:39:35,735 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 15 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-10 14:39:35,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 309 transitions, 660 flow [2024-11-10 14:39:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-10 14:39:35,738 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-10 14:39:35,738 INFO L175 Difference]: Start difference. First operand has 314 places, 310 transitions, 628 flow. Second operand 3 states and 960 transitions. [2024-11-10 14:39:35,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 309 transitions, 660 flow [2024-11-10 14:39:35,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 309 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:35,747 INFO L231 Difference]: Finished difference. Result has 308 places, 309 transitions, 626 flow [2024-11-10 14:39:35,748 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=308, PETRI_TRANSITIONS=309} [2024-11-10 14:39:35,749 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -41 predicate places. [2024-11-10 14:39:35,749 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 309 transitions, 626 flow [2024-11-10 14:39:35,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:35,750 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:35,750 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] [2024-11-10 14:39:35,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:39:35,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:35,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:35,751 INFO L85 PathProgramCache]: Analyzing trace with hash -233780411, now seen corresponding path program 1 times [2024-11-10 14:39:35,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:35,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914935212] [2024-11-10 14:39:35,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:35,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:35,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:35,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914935212] [2024-11-10 14:39:35,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914935212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:35,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:35,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:35,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677394021] [2024-11-10 14:39:35,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:35,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:35,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:35,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:35,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:35,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:35,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-10 14:39:35,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:35,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:35,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:35,937 INFO L124 PetriNetUnfolderBase]: 28/470 cut-off events. [2024-11-10 14:39:35,937 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:39:35,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 470 events. 28/470 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1250 event pairs, 7 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 480. Up to 41 conditions per place. [2024-11-10 14:39:35,941 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 13 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-10 14:39:35,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 308 transitions, 654 flow [2024-11-10 14:39:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-10 14:39:35,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2024-11-10 14:39:35,944 INFO L175 Difference]: Start difference. First operand has 308 places, 309 transitions, 626 flow. Second operand 3 states and 964 transitions. [2024-11-10 14:39:35,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 308 transitions, 654 flow [2024-11-10 14:39:35,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 308 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:35,950 INFO L231 Difference]: Finished difference. Result has 307 places, 308 transitions, 624 flow [2024-11-10 14:39:35,950 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=307, PETRI_TRANSITIONS=308} [2024-11-10 14:39:35,951 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -42 predicate places. [2024-11-10 14:39:35,952 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 308 transitions, 624 flow [2024-11-10 14:39:35,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-10 14:39:35,953 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:35,953 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] [2024-11-10 14:39:35,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:39:35,953 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:35,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:35,954 INFO L85 PathProgramCache]: Analyzing trace with hash 285806127, now seen corresponding path program 1 times [2024-11-10 14:39:35,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:35,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041580580] [2024-11-10 14:39:35,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:35,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041580580] [2024-11-10 14:39:36,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041580580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:36,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019295856] [2024-11-10 14:39:36,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:36,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:36,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:36,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:36,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-10 14:39:36,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:36,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,162 INFO L124 PetriNetUnfolderBase]: 28/469 cut-off events. [2024-11-10 14:39:36,163 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:39:36,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 469 events. 28/469 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1247 event pairs, 7 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 471. Up to 41 conditions per place. [2024-11-10 14:39:36,167 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 13 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-11-10 14:39:36,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 307 transitions, 652 flow [2024-11-10 14:39:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-10 14:39:36,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2024-11-10 14:39:36,171 INFO L175 Difference]: Start difference. First operand has 307 places, 308 transitions, 624 flow. Second operand 3 states and 964 transitions. [2024-11-10 14:39:36,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 307 transitions, 652 flow [2024-11-10 14:39:36,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 307 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:36,178 INFO L231 Difference]: Finished difference. Result has 306 places, 307 transitions, 622 flow [2024-11-10 14:39:36,178 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=306, PETRI_TRANSITIONS=307} [2024-11-10 14:39:36,179 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -43 predicate places. [2024-11-10 14:39:36,180 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 307 transitions, 622 flow [2024-11-10 14:39:36,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-10 14:39:36,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,182 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] [2024-11-10 14:39:36,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:39:36,182 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,183 INFO L85 PathProgramCache]: Analyzing trace with hash 774020752, now seen corresponding path program 1 times [2024-11-10 14:39:36,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126494345] [2024-11-10 14:39:36,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126494345] [2024-11-10 14:39:36,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126494345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:36,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897098629] [2024-11-10 14:39:36,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:36,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:36,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:36,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 376 [2024-11-10 14:39:36,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2024-11-10 14:39:36,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 376 [2024-11-10 14:39:36,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,358 INFO L124 PetriNetUnfolderBase]: 34/533 cut-off events. [2024-11-10 14:39:36,358 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-10 14:39:36,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 533 events. 34/533 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1481 event pairs, 6 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 535. Up to 27 conditions per place. [2024-11-10 14:39:36,362 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 15 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-11-10 14:39:36,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 311 transitions, 666 flow [2024-11-10 14:39:36,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2024-11-10 14:39:36,365 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2024-11-10 14:39:36,366 INFO L175 Difference]: Start difference. First operand has 306 places, 307 transitions, 622 flow. Second operand 3 states and 978 transitions. [2024-11-10 14:39:36,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 311 transitions, 666 flow [2024-11-10 14:39:36,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 311 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:36,372 INFO L231 Difference]: Finished difference. Result has 306 places, 307 transitions, 626 flow [2024-11-10 14:39:36,373 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=307} [2024-11-10 14:39:36,374 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -43 predicate places. [2024-11-10 14:39:36,374 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 307 transitions, 626 flow [2024-11-10 14:39:36,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2024-11-10 14:39:36,377 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,377 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] [2024-11-10 14:39:36,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:39:36,377 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,379 INFO L85 PathProgramCache]: Analyzing trace with hash 157874120, now seen corresponding path program 1 times [2024-11-10 14:39:36,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488700219] [2024-11-10 14:39:36,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488700219] [2024-11-10 14:39:36,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488700219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:36,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865631554] [2024-11-10 14:39:36,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:36,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:36,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:36,461 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 376 [2024-11-10 14:39:36,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 307 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:36,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 376 [2024-11-10 14:39:36,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,541 INFO L124 PetriNetUnfolderBase]: 34/500 cut-off events. [2024-11-10 14:39:36,542 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-10 14:39:36,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 500 events. 34/500 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1495 event pairs, 10 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 315. Up to 51 conditions per place. [2024-11-10 14:39:36,545 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 13 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-11-10 14:39:36,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 306 transitions, 654 flow [2024-11-10 14:39:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-10 14:39:36,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2024-11-10 14:39:36,548 INFO L175 Difference]: Start difference. First operand has 306 places, 307 transitions, 626 flow. Second operand 3 states and 966 transitions. [2024-11-10 14:39:36,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 306 transitions, 654 flow [2024-11-10 14:39:36,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 652 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:36,553 INFO L231 Difference]: Finished difference. Result has 306 places, 306 transitions, 626 flow [2024-11-10 14:39:36,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=306} [2024-11-10 14:39:36,557 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -43 predicate places. [2024-11-10 14:39:36,557 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 306 transitions, 626 flow [2024-11-10 14:39:36,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:36,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,559 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] [2024-11-10 14:39:36,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:39:36,560 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,561 INFO L85 PathProgramCache]: Analyzing trace with hash 239593419, now seen corresponding path program 1 times [2024-11-10 14:39:36,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934150216] [2024-11-10 14:39:36,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934150216] [2024-11-10 14:39:36,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934150216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:36,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450970475] [2024-11-10 14:39:36,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:36,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:36,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:36,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 376 [2024-11-10 14:39:36,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 306 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2024-11-10 14:39:36,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 376 [2024-11-10 14:39:36,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,720 INFO L124 PetriNetUnfolderBase]: 34/499 cut-off events. [2024-11-10 14:39:36,720 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-10 14:39:36,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 499 events. 34/499 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1504 event pairs, 10 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 502. Up to 49 conditions per place. [2024-11-10 14:39:36,723 INFO L140 encePairwiseOnDemand]: 374/376 looper letters, 12 selfloop transitions, 1 changer transitions 0/305 dead transitions. [2024-11-10 14:39:36,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 305 transitions, 650 flow [2024-11-10 14:39:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2024-11-10 14:39:36,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8625886524822695 [2024-11-10 14:39:36,726 INFO L175 Difference]: Start difference. First operand has 306 places, 306 transitions, 626 flow. Second operand 3 states and 973 transitions. [2024-11-10 14:39:36,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 305 transitions, 650 flow [2024-11-10 14:39:36,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 305 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:36,732 INFO L231 Difference]: Finished difference. Result has 305 places, 305 transitions, 622 flow [2024-11-10 14:39:36,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=305, PETRI_TRANSITIONS=305} [2024-11-10 14:39:36,733 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -44 predicate places. [2024-11-10 14:39:36,734 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 305 transitions, 622 flow [2024-11-10 14:39:36,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2024-11-10 14:39:36,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,735 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] [2024-11-10 14:39:36,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:39:36,736 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2125990188, now seen corresponding path program 1 times [2024-11-10 14:39:36,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842345794] [2024-11-10 14:39:36,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842345794] [2024-11-10 14:39:36,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842345794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:36,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142741779] [2024-11-10 14:39:36,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:36,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:36,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:36,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 376 [2024-11-10 14:39:36,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 305 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:36,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 376 [2024-11-10 14:39:36,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,915 INFO L124 PetriNetUnfolderBase]: 34/498 cut-off events. [2024-11-10 14:39:36,916 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-10 14:39:36,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 498 events. 34/498 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1501 event pairs, 10 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 502. Up to 51 conditions per place. [2024-11-10 14:39:36,919 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-10 14:39:36,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 304 transitions, 650 flow [2024-11-10 14:39:36,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-10 14:39:36,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2024-11-10 14:39:36,922 INFO L175 Difference]: Start difference. First operand has 305 places, 305 transitions, 622 flow. Second operand 3 states and 966 transitions. [2024-11-10 14:39:36,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 304 transitions, 650 flow [2024-11-10 14:39:36,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 649 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:36,928 INFO L231 Difference]: Finished difference. Result has 305 places, 304 transitions, 623 flow [2024-11-10 14:39:36,928 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=623, PETRI_PLACES=305, PETRI_TRANSITIONS=304} [2024-11-10 14:39:36,929 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -44 predicate places. [2024-11-10 14:39:36,929 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 304 transitions, 623 flow [2024-11-10 14:39:36,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:36,930 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,930 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] [2024-11-10 14:39:36,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:39:36,931 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,931 INFO L85 PathProgramCache]: Analyzing trace with hash -976708679, now seen corresponding path program 1 times [2024-11-10 14:39:36,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676239388] [2024-11-10 14:39:36,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:37,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:37,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676239388] [2024-11-10 14:39:37,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676239388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:37,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:37,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:37,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768922550] [2024-11-10 14:39:37,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:37,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:37,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:37,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:37,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:37,686 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 376 [2024-11-10 14:39:37,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 304 transitions, 623 flow. Second operand has 6 states, 6 states have (on average 285.5) internal successors, (1713), 6 states have internal predecessors, (1713), 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) [2024-11-10 14:39:37,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:37,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 376 [2024-11-10 14:39:37,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:37,813 INFO L124 PetriNetUnfolderBase]: 73/663 cut-off events. [2024-11-10 14:39:37,814 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-10 14:39:37,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 663 events. 73/663 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2707 event pairs, 42 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 795. Up to 144 conditions per place. [2024-11-10 14:39:37,817 INFO L140 encePairwiseOnDemand]: 364/376 looper letters, 38 selfloop transitions, 10 changer transitions 0/302 dead transitions. [2024-11-10 14:39:37,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 302 transitions, 715 flow [2024-11-10 14:39:37,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1753 transitions. [2024-11-10 14:39:37,821 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7770390070921985 [2024-11-10 14:39:37,821 INFO L175 Difference]: Start difference. First operand has 305 places, 304 transitions, 623 flow. Second operand 6 states and 1753 transitions. [2024-11-10 14:39:37,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 302 transitions, 715 flow [2024-11-10 14:39:37,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 302 transitions, 711 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:37,826 INFO L231 Difference]: Finished difference. Result has 306 places, 302 transitions, 635 flow [2024-11-10 14:39:37,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=635, PETRI_PLACES=306, PETRI_TRANSITIONS=302} [2024-11-10 14:39:37,827 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -43 predicate places. [2024-11-10 14:39:37,828 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 302 transitions, 635 flow [2024-11-10 14:39:37,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 285.5) internal successors, (1713), 6 states have internal predecessors, (1713), 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) [2024-11-10 14:39:37,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:37,830 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] [2024-11-10 14:39:37,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:39:37,830 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:37,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:37,831 INFO L85 PathProgramCache]: Analyzing trace with hash -443436555, now seen corresponding path program 1 times [2024-11-10 14:39:37,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:37,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746101574] [2024-11-10 14:39:37,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:37,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:37,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:37,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746101574] [2024-11-10 14:39:37,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746101574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:37,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:37,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:37,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188727971] [2024-11-10 14:39:37,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:37,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:37,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:37,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:37,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:37,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:37,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 302 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-10 14:39:37,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:37,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:37,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:37,965 INFO L124 PetriNetUnfolderBase]: 37/541 cut-off events. [2024-11-10 14:39:37,966 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 14:39:37,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 541 events. 37/541 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1676 event pairs, 18 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 604. Up to 63 conditions per place. [2024-11-10 14:39:37,969 INFO L140 encePairwiseOnDemand]: 372/376 looper letters, 16 selfloop transitions, 1 changer transitions 0/299 dead transitions. [2024-11-10 14:39:37,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 299 transitions, 663 flow [2024-11-10 14:39:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-10 14:39:37,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8519503546099291 [2024-11-10 14:39:37,972 INFO L175 Difference]: Start difference. First operand has 306 places, 302 transitions, 635 flow. Second operand 3 states and 961 transitions. [2024-11-10 14:39:37,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 299 transitions, 663 flow [2024-11-10 14:39:37,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 299 transitions, 643 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:37,978 INFO L231 Difference]: Finished difference. Result has 300 places, 299 transitions, 611 flow [2024-11-10 14:39:37,979 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=300, PETRI_TRANSITIONS=299} [2024-11-10 14:39:37,980 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -49 predicate places. [2024-11-10 14:39:37,980 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 299 transitions, 611 flow [2024-11-10 14:39:37,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-10 14:39:37,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:37,981 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] [2024-11-10 14:39:37,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:39:37,982 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:37,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:37,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1916041367, now seen corresponding path program 1 times [2024-11-10 14:39:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:37,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530286513] [2024-11-10 14:39:37,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:37,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:38,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:38,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530286513] [2024-11-10 14:39:38,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530286513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:38,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:38,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:38,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675102184] [2024-11-10 14:39:38,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:38,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:38,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:38,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:38,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:38,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:38,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 299 transitions, 611 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:38,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:38,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:38,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:38,134 INFO L124 PetriNetUnfolderBase]: 45/607 cut-off events. [2024-11-10 14:39:38,135 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-10 14:39:38,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 607 events. 45/607 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2230 event pairs, 18 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 639. Up to 72 conditions per place. [2024-11-10 14:39:38,138 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 16 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-11-10 14:39:38,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 298 transitions, 645 flow [2024-11-10 14:39:38,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:38,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-10 14:39:38,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-10 14:39:38,141 INFO L175 Difference]: Start difference. First operand has 300 places, 299 transitions, 611 flow. Second operand 3 states and 960 transitions. [2024-11-10 14:39:38,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 298 transitions, 645 flow [2024-11-10 14:39:38,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 298 transitions, 644 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:38,146 INFO L231 Difference]: Finished difference. Result has 300 places, 298 transitions, 612 flow [2024-11-10 14:39:38,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=300, PETRI_TRANSITIONS=298} [2024-11-10 14:39:38,147 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -49 predicate places. [2024-11-10 14:39:38,147 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 298 transitions, 612 flow [2024-11-10 14:39:38,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:38,148 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:38,148 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] [2024-11-10 14:39:38,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:39:38,149 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:38,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:38,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1623657728, now seen corresponding path program 1 times [2024-11-10 14:39:38,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:38,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510524598] [2024-11-10 14:39:38,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:38,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:38,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:38,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510524598] [2024-11-10 14:39:38,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510524598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:38,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:38,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:38,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475847592] [2024-11-10 14:39:38,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:38,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:38,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:38,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:38,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:38,227 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:38,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 298 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-10 14:39:38,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:38,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:38,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:38,337 INFO L124 PetriNetUnfolderBase]: 53/624 cut-off events. [2024-11-10 14:39:38,338 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-10 14:39:38,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 624 events. 53/624 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2369 event pairs, 26 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 678. Up to 85 conditions per place. [2024-11-10 14:39:38,341 INFO L140 encePairwiseOnDemand]: 372/376 looper letters, 16 selfloop transitions, 1 changer transitions 0/295 dead transitions. [2024-11-10 14:39:38,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 295 transitions, 640 flow [2024-11-10 14:39:38,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-10 14:39:38,344 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8519503546099291 [2024-11-10 14:39:38,344 INFO L175 Difference]: Start difference. First operand has 300 places, 298 transitions, 612 flow. Second operand 3 states and 961 transitions. [2024-11-10 14:39:38,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 295 transitions, 640 flow [2024-11-10 14:39:38,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 295 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:38,349 INFO L231 Difference]: Finished difference. Result has 297 places, 295 transitions, 604 flow [2024-11-10 14:39:38,350 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=297, PETRI_TRANSITIONS=295} [2024-11-10 14:39:38,350 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -52 predicate places. [2024-11-10 14:39:38,350 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 295 transitions, 604 flow [2024-11-10 14:39:38,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-10 14:39:38,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:38,351 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] [2024-11-10 14:39:38,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:39:38,352 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:38,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:38,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1507995078, now seen corresponding path program 1 times [2024-11-10 14:39:38,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:38,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77649488] [2024-11-10 14:39:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:38,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:38,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:38,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77649488] [2024-11-10 14:39:38,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77649488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:38,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:38,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:38,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739291607] [2024-11-10 14:39:38,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:38,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:38,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:38,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:38,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:38,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 376 [2024-11-10 14:39:38,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 295 transitions, 604 flow. Second operand has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 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) [2024-11-10 14:39:38,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:38,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 376 [2024-11-10 14:39:38,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:39,046 INFO L124 PetriNetUnfolderBase]: 34/486 cut-off events. [2024-11-10 14:39:39,046 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-10 14:39:39,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 486 events. 34/486 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1440 event pairs, 10 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 502. Up to 49 conditions per place. [2024-11-10 14:39:39,049 INFO L140 encePairwiseOnDemand]: 371/376 looper letters, 21 selfloop transitions, 4 changer transitions 0/294 dead transitions. [2024-11-10 14:39:39,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 294 transitions, 652 flow [2024-11-10 14:39:39,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:39,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1873 transitions. [2024-11-10 14:39:39,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8302304964539007 [2024-11-10 14:39:39,053 INFO L175 Difference]: Start difference. First operand has 297 places, 295 transitions, 604 flow. Second operand 6 states and 1873 transitions. [2024-11-10 14:39:39,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 294 transitions, 652 flow [2024-11-10 14:39:39,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 294 transitions, 651 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:39,060 INFO L231 Difference]: Finished difference. Result has 300 places, 294 transitions, 609 flow [2024-11-10 14:39:39,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=609, PETRI_PLACES=300, PETRI_TRANSITIONS=294} [2024-11-10 14:39:39,062 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -49 predicate places. [2024-11-10 14:39:39,062 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 294 transitions, 609 flow [2024-11-10 14:39:39,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 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) [2024-11-10 14:39:39,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:39,064 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] [2024-11-10 14:39:39,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:39:39,064 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:39,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:39,064 INFO L85 PathProgramCache]: Analyzing trace with hash 524253788, now seen corresponding path program 1 times [2024-11-10 14:39:39,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:39,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318630176] [2024-11-10 14:39:39,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:39,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:39,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:39,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318630176] [2024-11-10 14:39:39,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318630176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:39,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:39,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:39,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879212259] [2024-11-10 14:39:39,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:39,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:39,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:39,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:39,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:39,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:39,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 294 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:39,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:39,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:39,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:39,228 INFO L124 PetriNetUnfolderBase]: 46/497 cut-off events. [2024-11-10 14:39:39,228 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-10 14:39:39,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 497 events. 46/497 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1629 event pairs, 16 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 528. Up to 72 conditions per place. [2024-11-10 14:39:39,231 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 16 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-10 14:39:39,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 293 transitions, 643 flow [2024-11-10 14:39:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-10 14:39:39,235 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-10 14:39:39,235 INFO L175 Difference]: Start difference. First operand has 300 places, 294 transitions, 609 flow. Second operand 3 states and 960 transitions. [2024-11-10 14:39:39,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 293 transitions, 643 flow [2024-11-10 14:39:39,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 293 transitions, 636 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:39:39,240 INFO L231 Difference]: Finished difference. Result has 297 places, 293 transitions, 604 flow [2024-11-10 14:39:39,240 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=297, PETRI_TRANSITIONS=293} [2024-11-10 14:39:39,242 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -52 predicate places. [2024-11-10 14:39:39,242 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 293 transitions, 604 flow [2024-11-10 14:39:39,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:39,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:39,243 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] [2024-11-10 14:39:39,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:39:39,243 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:39,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:39,243 INFO L85 PathProgramCache]: Analyzing trace with hash 635335662, now seen corresponding path program 1 times [2024-11-10 14:39:39,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:39,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981038316] [2024-11-10 14:39:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:39,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:39,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:39,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981038316] [2024-11-10 14:39:39,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981038316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:39,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:39,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:39,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024645171] [2024-11-10 14:39:39,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:39,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:39,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:39,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:39,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:39,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:39,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 293 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 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) [2024-11-10 14:39:39,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:39,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:39,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:39,422 INFO L124 PetriNetUnfolderBase]: 62/584 cut-off events. [2024-11-10 14:39:39,423 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-10 14:39:39,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 584 events. 62/584 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2119 event pairs, 13 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 636. Up to 58 conditions per place. [2024-11-10 14:39:39,427 INFO L140 encePairwiseOnDemand]: 371/376 looper letters, 19 selfloop transitions, 3 changer transitions 0/297 dead transitions. [2024-11-10 14:39:39,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 297 transitions, 658 flow [2024-11-10 14:39:39,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2024-11-10 14:39:39,430 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8617021276595744 [2024-11-10 14:39:39,430 INFO L175 Difference]: Start difference. First operand has 297 places, 293 transitions, 604 flow. Second operand 3 states and 972 transitions. [2024-11-10 14:39:39,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 297 transitions, 658 flow [2024-11-10 14:39:39,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 297 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:39,435 INFO L231 Difference]: Finished difference. Result has 297 places, 293 transitions, 616 flow [2024-11-10 14:39:39,436 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=297, PETRI_TRANSITIONS=293} [2024-11-10 14:39:39,437 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -52 predicate places. [2024-11-10 14:39:39,437 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 293 transitions, 616 flow [2024-11-10 14:39:39,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 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) [2024-11-10 14:39:39,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:39,439 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] [2024-11-10 14:39:39,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:39:39,439 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:39,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1784426718, now seen corresponding path program 1 times [2024-11-10 14:39:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:39,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065361932] [2024-11-10 14:39:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:39,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:39,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065361932] [2024-11-10 14:39:39,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065361932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:39,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:39,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:39,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218262013] [2024-11-10 14:39:39,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:39,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:39,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:39,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:39,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:39,517 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 376 [2024-11-10 14:39:39,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 293 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2024-11-10 14:39:39,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:39,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 376 [2024-11-10 14:39:39,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:39,615 INFO L124 PetriNetUnfolderBase]: 55/695 cut-off events. [2024-11-10 14:39:39,616 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-10 14:39:39,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 695 events. 55/695 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2728 event pairs, 23 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 769. Up to 74 conditions per place. [2024-11-10 14:39:39,620 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 15 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-10 14:39:39,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 292 transitions, 648 flow [2024-11-10 14:39:39,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-10 14:39:39,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8528368794326241 [2024-11-10 14:39:39,623 INFO L175 Difference]: Start difference. First operand has 297 places, 293 transitions, 616 flow. Second operand 3 states and 962 transitions. [2024-11-10 14:39:39,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 292 transitions, 648 flow [2024-11-10 14:39:39,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 292 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:39,629 INFO L231 Difference]: Finished difference. Result has 296 places, 292 transitions, 612 flow [2024-11-10 14:39:39,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=296, PETRI_TRANSITIONS=292} [2024-11-10 14:39:39,630 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -53 predicate places. [2024-11-10 14:39:39,630 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 292 transitions, 612 flow [2024-11-10 14:39:39,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2024-11-10 14:39:39,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:39,631 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] [2024-11-10 14:39:39,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:39:39,632 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:39,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:39,633 INFO L85 PathProgramCache]: Analyzing trace with hash -116469897, now seen corresponding path program 1 times [2024-11-10 14:39:39,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:39,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979918747] [2024-11-10 14:39:39,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:39,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:39,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:39,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979918747] [2024-11-10 14:39:39,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979918747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:39,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:39,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:39,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821823667] [2024-11-10 14:39:39,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:39,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:39,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:39,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:39,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:39,720 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 376 [2024-11-10 14:39:39,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 292 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 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) [2024-11-10 14:39:39,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:39,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 376 [2024-11-10 14:39:39,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:39,842 INFO L124 PetriNetUnfolderBase]: 78/862 cut-off events. [2024-11-10 14:39:39,842 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-10 14:39:39,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 862 events. 78/862 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4059 event pairs, 28 based on Foata normal form. 0/747 useless extension candidates. Maximal degree in co-relation 981. Up to 106 conditions per place. [2024-11-10 14:39:39,847 INFO L140 encePairwiseOnDemand]: 369/376 looper letters, 18 selfloop transitions, 4 changer transitions 0/295 dead transitions. [2024-11-10 14:39:39,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 295 transitions, 667 flow [2024-11-10 14:39:39,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-10 14:39:39,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8581560283687943 [2024-11-10 14:39:39,850 INFO L175 Difference]: Start difference. First operand has 296 places, 292 transitions, 612 flow. Second operand 3 states and 968 transitions. [2024-11-10 14:39:39,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 295 transitions, 667 flow [2024-11-10 14:39:39,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 295 transitions, 663 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:39,855 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 626 flow [2024-11-10 14:39:39,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2024-11-10 14:39:39,856 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -55 predicate places. [2024-11-10 14:39:39,856 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 626 flow [2024-11-10 14:39:39,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 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) [2024-11-10 14:39:39,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:39,857 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] [2024-11-10 14:39:39,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:39:39,857 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:39,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:39,857 INFO L85 PathProgramCache]: Analyzing trace with hash -410206543, now seen corresponding path program 1 times [2024-11-10 14:39:39,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:39,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496750433] [2024-11-10 14:39:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:39,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:39,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:39,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496750433] [2024-11-10 14:39:39,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496750433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:39,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:39,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:39,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825819268] [2024-11-10 14:39:39,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:39,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:39,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:39,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:39,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:39,932 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:39,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:39,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:39,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:39,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:40,023 INFO L124 PetriNetUnfolderBase]: 73/696 cut-off events. [2024-11-10 14:39:40,023 INFO L125 PetriNetUnfolderBase]: For 96/104 co-relation queries the response was YES. [2024-11-10 14:39:40,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 915 conditions, 696 events. 73/696 cut-off events. For 96/104 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3151 event pairs, 16 based on Foata normal form. 2/616 useless extension candidates. Maximal degree in co-relation 849. Up to 73 conditions per place. [2024-11-10 14:39:40,028 INFO L140 encePairwiseOnDemand]: 371/376 looper letters, 16 selfloop transitions, 2 changer transitions 2/293 dead transitions. [2024-11-10 14:39:40,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 293 transitions, 672 flow [2024-11-10 14:39:40,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2024-11-10 14:39:40,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8572695035460993 [2024-11-10 14:39:40,031 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 626 flow. Second operand 3 states and 967 transitions. [2024-11-10 14:39:40,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 293 transitions, 672 flow [2024-11-10 14:39:40,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 293 transitions, 667 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:40,036 INFO L231 Difference]: Finished difference. Result has 293 places, 288 transitions, 617 flow [2024-11-10 14:39:40,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=617, PETRI_PLACES=293, PETRI_TRANSITIONS=288} [2024-11-10 14:39:40,037 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -56 predicate places. [2024-11-10 14:39:40,037 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 288 transitions, 617 flow [2024-11-10 14:39:40,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:40,038 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:40,038 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] [2024-11-10 14:39:40,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:39:40,038 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:40,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:40,039 INFO L85 PathProgramCache]: Analyzing trace with hash 610899395, now seen corresponding path program 1 times [2024-11-10 14:39:40,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:40,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413382264] [2024-11-10 14:39:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:40,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:40,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:40,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413382264] [2024-11-10 14:39:40,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413382264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:40,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:40,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:39:40,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253710688] [2024-11-10 14:39:40,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:40,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:39:40,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:40,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:39:40,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:39:40,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 376 [2024-11-10 14:39:40,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 288 transitions, 617 flow. Second operand has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 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) [2024-11-10 14:39:40,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:40,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 376 [2024-11-10 14:39:40,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:40,732 INFO L124 PetriNetUnfolderBase]: 98/1215 cut-off events. [2024-11-10 14:39:40,732 INFO L125 PetriNetUnfolderBase]: For 77/84 co-relation queries the response was YES. [2024-11-10 14:39:40,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 1215 events. 98/1215 cut-off events. For 77/84 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6204 event pairs, 19 based on Foata normal form. 1/1072 useless extension candidates. Maximal degree in co-relation 1485. Up to 65 conditions per place. [2024-11-10 14:39:40,740 INFO L140 encePairwiseOnDemand]: 362/376 looper letters, 43 selfloop transitions, 15 changer transitions 0/312 dead transitions. [2024-11-10 14:39:40,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 312 transitions, 807 flow [2024-11-10 14:39:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:39:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 14:39:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3062 transitions. [2024-11-10 14:39:40,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8143617021276596 [2024-11-10 14:39:40,747 INFO L175 Difference]: Start difference. First operand has 293 places, 288 transitions, 617 flow. Second operand 10 states and 3062 transitions. [2024-11-10 14:39:40,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 312 transitions, 807 flow [2024-11-10 14:39:40,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 312 transitions, 803 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:40,752 INFO L231 Difference]: Finished difference. Result has 302 places, 295 transitions, 687 flow [2024-11-10 14:39:40,753 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=687, PETRI_PLACES=302, PETRI_TRANSITIONS=295} [2024-11-10 14:39:40,753 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -47 predicate places. [2024-11-10 14:39:40,753 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 295 transitions, 687 flow [2024-11-10 14:39:40,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 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) [2024-11-10 14:39:40,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:40,754 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] [2024-11-10 14:39:40,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:39:40,755 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:40,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:40,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2101575146, now seen corresponding path program 1 times [2024-11-10 14:39:40,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:40,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798824315] [2024-11-10 14:39:40,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:40,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:40,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:40,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798824315] [2024-11-10 14:39:40,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798824315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:40,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:40,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:40,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109646766] [2024-11-10 14:39:40,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:40,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:40,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:40,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:40,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:40,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 376 [2024-11-10 14:39:40,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 295 transitions, 687 flow. Second operand has 3 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 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) [2024-11-10 14:39:40,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:40,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 376 [2024-11-10 14:39:40,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:40,985 INFO L124 PetriNetUnfolderBase]: 110/1145 cut-off events. [2024-11-10 14:39:40,986 INFO L125 PetriNetUnfolderBase]: For 144/163 co-relation queries the response was YES. [2024-11-10 14:39:40,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 1145 events. 110/1145 cut-off events. For 144/163 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6116 event pairs, 18 based on Foata normal form. 0/1038 useless extension candidates. Maximal degree in co-relation 1479. Up to 130 conditions per place. [2024-11-10 14:39:40,993 INFO L140 encePairwiseOnDemand]: 371/376 looper letters, 18 selfloop transitions, 3 changer transitions 0/298 dead transitions. [2024-11-10 14:39:40,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 298 transitions, 745 flow [2024-11-10 14:39:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:40,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2024-11-10 14:39:40,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8625886524822695 [2024-11-10 14:39:40,996 INFO L175 Difference]: Start difference. First operand has 302 places, 295 transitions, 687 flow. Second operand 3 states and 973 transitions. [2024-11-10 14:39:40,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 298 transitions, 745 flow [2024-11-10 14:39:40,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 298 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:41,000 INFO L231 Difference]: Finished difference. Result has 301 places, 294 transitions, 690 flow [2024-11-10 14:39:41,001 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=690, PETRI_PLACES=301, PETRI_TRANSITIONS=294} [2024-11-10 14:39:41,002 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -48 predicate places. [2024-11-10 14:39:41,002 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 294 transitions, 690 flow [2024-11-10 14:39:41,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 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) [2024-11-10 14:39:41,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:41,003 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] [2024-11-10 14:39:41,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 14:39:41,003 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:41,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:41,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2100619879, now seen corresponding path program 1 times [2024-11-10 14:39:41,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:41,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514633156] [2024-11-10 14:39:41,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:41,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:41,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:41,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514633156] [2024-11-10 14:39:41,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514633156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:41,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:41,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:41,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109372572] [2024-11-10 14:39:41,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:41,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:41,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:41,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:41,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:41,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:41,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 294 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2024-11-10 14:39:41,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:41,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:41,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:41,263 INFO L124 PetriNetUnfolderBase]: 178/1345 cut-off events. [2024-11-10 14:39:41,264 INFO L125 PetriNetUnfolderBase]: For 303/335 co-relation queries the response was YES. [2024-11-10 14:39:41,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1345 events. 178/1345 cut-off events. For 303/335 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8056 event pairs, 56 based on Foata normal form. 0/1229 useless extension candidates. Maximal degree in co-relation 1954. Up to 229 conditions per place. [2024-11-10 14:39:41,274 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 20 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-11-10 14:39:41,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 297 transitions, 749 flow [2024-11-10 14:39:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:41,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-10 14:39:41,279 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2024-11-10 14:39:41,280 INFO L175 Difference]: Start difference. First operand has 301 places, 294 transitions, 690 flow. Second operand 3 states and 966 transitions. [2024-11-10 14:39:41,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 297 transitions, 749 flow [2024-11-10 14:39:41,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 297 transitions, 742 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:41,286 INFO L231 Difference]: Finished difference. Result has 300 places, 293 transitions, 685 flow [2024-11-10 14:39:41,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=685, PETRI_PLACES=300, PETRI_TRANSITIONS=293} [2024-11-10 14:39:41,286 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -49 predicate places. [2024-11-10 14:39:41,287 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 293 transitions, 685 flow [2024-11-10 14:39:41,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2024-11-10 14:39:41,287 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:41,287 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] [2024-11-10 14:39:41,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 14:39:41,288 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:41,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:41,288 INFO L85 PathProgramCache]: Analyzing trace with hash -427714211, now seen corresponding path program 1 times [2024-11-10 14:39:41,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:41,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644045685] [2024-11-10 14:39:41,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:41,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:41,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644045685] [2024-11-10 14:39:41,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644045685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:41,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:41,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:41,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690765592] [2024-11-10 14:39:41,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:41,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:41,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:41,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:41,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:41,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:41,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 293 transitions, 685 flow. Second operand has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2024-11-10 14:39:41,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:41,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:41,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:41,536 INFO L124 PetriNetUnfolderBase]: 112/1101 cut-off events. [2024-11-10 14:39:41,536 INFO L125 PetriNetUnfolderBase]: For 156/175 co-relation queries the response was YES. [2024-11-10 14:39:41,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1608 conditions, 1101 events. 112/1101 cut-off events. For 156/175 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5743 event pairs, 45 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 1534. Up to 168 conditions per place. [2024-11-10 14:39:41,544 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 21 selfloop transitions, 3 changer transitions 5/296 dead transitions. [2024-11-10 14:39:41,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 296 transitions, 750 flow [2024-11-10 14:39:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2024-11-10 14:39:41,546 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8572695035460993 [2024-11-10 14:39:41,547 INFO L175 Difference]: Start difference. First operand has 300 places, 293 transitions, 685 flow. Second operand 3 states and 967 transitions. [2024-11-10 14:39:41,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 296 transitions, 750 flow [2024-11-10 14:39:41,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 296 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:41,552 INFO L231 Difference]: Finished difference. Result has 299 places, 288 transitions, 666 flow [2024-11-10 14:39:41,552 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=299, PETRI_TRANSITIONS=288} [2024-11-10 14:39:41,553 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -50 predicate places. [2024-11-10 14:39:41,553 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 288 transitions, 666 flow [2024-11-10 14:39:41,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2024-11-10 14:39:41,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:41,554 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:41,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 14:39:41,554 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:41,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:41,555 INFO L85 PathProgramCache]: Analyzing trace with hash 879068004, now seen corresponding path program 1 times [2024-11-10 14:39:41,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:41,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828187496] [2024-11-10 14:39:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:41,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:42,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:42,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828187496] [2024-11-10 14:39:42,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828187496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:42,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:42,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:42,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296212702] [2024-11-10 14:39:42,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:42,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:42,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:42,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:42,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:42,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 376 [2024-11-10 14:39:42,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 288 transitions, 666 flow. Second operand has 6 states, 6 states have (on average 303.1666666666667) internal successors, (1819), 6 states have internal predecessors, (1819), 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) [2024-11-10 14:39:42,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:42,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 376 [2024-11-10 14:39:42,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:42,506 INFO L124 PetriNetUnfolderBase]: 168/1143 cut-off events. [2024-11-10 14:39:42,506 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-10 14:39:42,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1704 conditions, 1143 events. 168/1143 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6438 event pairs, 14 based on Foata normal form. 0/1075 useless extension candidates. Maximal degree in co-relation 1628. Up to 176 conditions per place. [2024-11-10 14:39:42,517 INFO L140 encePairwiseOnDemand]: 369/376 looper letters, 47 selfloop transitions, 6 changer transitions 0/306 dead transitions. [2024-11-10 14:39:42,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 306 transitions, 840 flow [2024-11-10 14:39:42,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1853 transitions. [2024-11-10 14:39:42,521 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8213652482269503 [2024-11-10 14:39:42,521 INFO L175 Difference]: Start difference. First operand has 299 places, 288 transitions, 666 flow. Second operand 6 states and 1853 transitions. [2024-11-10 14:39:42,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 306 transitions, 840 flow [2024-11-10 14:39:42,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 306 transitions, 819 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-11-10 14:39:42,527 INFO L231 Difference]: Finished difference. Result has 293 places, 286 transitions, 653 flow [2024-11-10 14:39:42,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=653, PETRI_PLACES=293, PETRI_TRANSITIONS=286} [2024-11-10 14:39:42,528 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -56 predicate places. [2024-11-10 14:39:42,528 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 286 transitions, 653 flow [2024-11-10 14:39:42,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.1666666666667) internal successors, (1819), 6 states have internal predecessors, (1819), 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) [2024-11-10 14:39:42,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:42,529 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:42,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 14:39:42,530 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:42,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:42,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1324170491, now seen corresponding path program 1 times [2024-11-10 14:39:42,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:42,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223745274] [2024-11-10 14:39:42,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:42,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:42,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:42,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223745274] [2024-11-10 14:39:42,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223745274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:42,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:42,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:42,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271873400] [2024-11-10 14:39:42,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:42,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:42,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:42,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:42,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:42,598 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 376 [2024-11-10 14:39:42,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 286 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-10 14:39:42,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:42,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 376 [2024-11-10 14:39:42,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:42,775 INFO L124 PetriNetUnfolderBase]: 113/1198 cut-off events. [2024-11-10 14:39:42,776 INFO L125 PetriNetUnfolderBase]: For 208/210 co-relation queries the response was YES. [2024-11-10 14:39:42,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1647 conditions, 1198 events. 113/1198 cut-off events. For 208/210 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6372 event pairs, 21 based on Foata normal form. 0/1144 useless extension candidates. Maximal degree in co-relation 1576. Up to 103 conditions per place. [2024-11-10 14:39:42,785 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 25 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-10 14:39:42,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 296 transitions, 752 flow [2024-11-10 14:39:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:42,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-11-10 14:39:42,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8661347517730497 [2024-11-10 14:39:42,787 INFO L175 Difference]: Start difference. First operand has 293 places, 286 transitions, 653 flow. Second operand 3 states and 977 transitions. [2024-11-10 14:39:42,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 296 transitions, 752 flow [2024-11-10 14:39:42,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 296 transitions, 736 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:42,793 INFO L231 Difference]: Finished difference. Result has 290 places, 286 transitions, 649 flow [2024-11-10 14:39:42,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=649, PETRI_PLACES=290, PETRI_TRANSITIONS=286} [2024-11-10 14:39:42,793 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -59 predicate places. [2024-11-10 14:39:42,794 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 286 transitions, 649 flow [2024-11-10 14:39:42,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-10 14:39:42,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:42,795 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:42,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 14:39:42,795 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:42,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:42,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1140479927, now seen corresponding path program 1 times [2024-11-10 14:39:42,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:42,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749865479] [2024-11-10 14:39:42,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:42,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:42,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:42,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749865479] [2024-11-10 14:39:42,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749865479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:42,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:42,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:42,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953019667] [2024-11-10 14:39:42,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:42,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:42,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:42,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:42,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:42,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 376 [2024-11-10 14:39:42,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 286 transitions, 649 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-11-10 14:39:42,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:42,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 376 [2024-11-10 14:39:42,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:43,078 INFO L124 PetriNetUnfolderBase]: 153/1388 cut-off events. [2024-11-10 14:39:43,078 INFO L125 PetriNetUnfolderBase]: For 188/199 co-relation queries the response was YES. [2024-11-10 14:39:43,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1928 conditions, 1388 events. 153/1388 cut-off events. For 188/199 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8090 event pairs, 60 based on Foata normal form. 1/1317 useless extension candidates. Maximal degree in co-relation 1857. Up to 175 conditions per place. [2024-11-10 14:39:43,085 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 0 selfloop transitions, 0 changer transitions 290/290 dead transitions. [2024-11-10 14:39:43,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 290 transitions, 713 flow [2024-11-10 14:39:43,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-11-10 14:39:43,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8599290780141844 [2024-11-10 14:39:43,088 INFO L175 Difference]: Start difference. First operand has 290 places, 286 transitions, 649 flow. Second operand 3 states and 970 transitions. [2024-11-10 14:39:43,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 290 transitions, 713 flow [2024-11-10 14:39:43,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 290 transitions, 711 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:43,092 INFO L231 Difference]: Finished difference. Result has 290 places, 0 transitions, 0 flow [2024-11-10 14:39:43,092 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=290, PETRI_TRANSITIONS=0} [2024-11-10 14:39:43,093 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -59 predicate places. [2024-11-10 14:39:43,093 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 0 transitions, 0 flow [2024-11-10 14:39:43,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-11-10 14:39:43,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (116 of 117 remaining) [2024-11-10 14:39:43,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (115 of 117 remaining) [2024-11-10 14:39:43,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (114 of 117 remaining) [2024-11-10 14:39:43,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (113 of 117 remaining) [2024-11-10 14:39:43,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (112 of 117 remaining) [2024-11-10 14:39:43,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (111 of 117 remaining) [2024-11-10 14:39:43,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (110 of 117 remaining) [2024-11-10 14:39:43,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (109 of 117 remaining) [2024-11-10 14:39:43,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 117 remaining) [2024-11-10 14:39:43,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (107 of 117 remaining) [2024-11-10 14:39:43,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 117 remaining) [2024-11-10 14:39:43,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 117 remaining) [2024-11-10 14:39:43,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (104 of 117 remaining) [2024-11-10 14:39:43,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (103 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (102 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (101 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (100 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (99 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (98 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (97 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (96 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (95 of 117 remaining) [2024-11-10 14:39:43,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (94 of 117 remaining) [2024-11-10 14:39:43,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (93 of 117 remaining) [2024-11-10 14:39:43,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 117 remaining) [2024-11-10 14:39:43,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (91 of 117 remaining) [2024-11-10 14:39:43,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (90 of 117 remaining) [2024-11-10 14:39:43,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (89 of 117 remaining) [2024-11-10 14:39:43,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (88 of 117 remaining) [2024-11-10 14:39:43,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (87 of 117 remaining) [2024-11-10 14:39:43,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (86 of 117 remaining) [2024-11-10 14:39:43,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (85 of 117 remaining) [2024-11-10 14:39:43,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (84 of 117 remaining) [2024-11-10 14:39:43,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (83 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (81 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (80 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (79 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (78 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (77 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (76 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (75 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (74 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (73 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (72 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 117 remaining) [2024-11-10 14:39:43,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (69 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (68 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (67 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (66 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (65 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (64 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (61 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (60 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (59 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (58 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (57 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (56 of 117 remaining) [2024-11-10 14:39:43,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (55 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (52 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (47 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (45 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (44 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (43 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (42 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (41 of 117 remaining) [2024-11-10 14:39:43,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (40 of 117 remaining) [2024-11-10 14:39:43,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (39 of 117 remaining) [2024-11-10 14:39:43,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (38 of 117 remaining) [2024-11-10 14:39:43,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (37 of 117 remaining) [2024-11-10 14:39:43,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 117 remaining) [2024-11-10 14:39:43,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (35 of 117 remaining) [2024-11-10 14:39:43,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (34 of 117 remaining) [2024-11-10 14:39:43,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 117 remaining) [2024-11-10 14:39:43,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (32 of 117 remaining) [2024-11-10 14:39:43,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (31 of 117 remaining) [2024-11-10 14:39:43,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 117 remaining) [2024-11-10 14:39:43,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 117 remaining) [2024-11-10 14:39:43,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (28 of 117 remaining) [2024-11-10 14:39:43,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 117 remaining) [2024-11-10 14:39:43,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 117 remaining) [2024-11-10 14:39:43,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 117 remaining) [2024-11-10 14:39:43,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (24 of 117 remaining) [2024-11-10 14:39:43,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (23 of 117 remaining) [2024-11-10 14:39:43,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (22 of 117 remaining) [2024-11-10 14:39:43,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (21 of 117 remaining) [2024-11-10 14:39:43,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (20 of 117 remaining) [2024-11-10 14:39:43,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 117 remaining) [2024-11-10 14:39:43,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (18 of 117 remaining) [2024-11-10 14:39:43,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (17 of 117 remaining) [2024-11-10 14:39:43,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 117 remaining) [2024-11-10 14:39:43,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (15 of 117 remaining) [2024-11-10 14:39:43,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 117 remaining) [2024-11-10 14:39:43,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 117 remaining) [2024-11-10 14:39:43,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 117 remaining) [2024-11-10 14:39:43,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 117 remaining) [2024-11-10 14:39:43,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 117 remaining) [2024-11-10 14:39:43,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 117 remaining) [2024-11-10 14:39:43,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 117 remaining) [2024-11-10 14:39:43,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 117 remaining) [2024-11-10 14:39:43,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 117 remaining) [2024-11-10 14:39:43,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 117 remaining) [2024-11-10 14:39:43,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 117 remaining) [2024-11-10 14:39:43,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 117 remaining) [2024-11-10 14:39:43,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 117 remaining) [2024-11-10 14:39:43,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 117 remaining) [2024-11-10 14:39:43,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 117 remaining) [2024-11-10 14:39:43,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 14:39:43,111 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-10 14:39:43,119 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:39:43,119 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:39:43,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:39:43 BasicIcfg [2024-11-10 14:39:43,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:39:43,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:39:43,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:39:43,127 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:39:43,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:34" (3/4) ... [2024-11-10 14:39:43,129 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:39:43,131 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:39:43,132 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:39:43,142 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-10 14:39:43,142 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:39:43,142 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:39:43,143 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:39:43,247 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:39:43,247 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:39:43,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:39:43,248 INFO L158 Benchmark]: Toolchain (without parser) took 10394.17ms. Allocated memory was 178.3MB in the beginning and 398.5MB in the end (delta: 220.2MB). Free memory was 150.2MB in the beginning and 251.6MB in the end (delta: -101.4MB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. [2024-11-10 14:39:43,248 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:39:43,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.79ms. Allocated memory is still 178.3MB. Free memory was 150.2MB in the beginning and 134.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:39:43,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.40ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 131.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:39:43,249 INFO L158 Benchmark]: Boogie Preprocessor took 42.53ms. Allocated memory is still 178.3MB. Free memory was 131.6MB in the beginning and 128.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:39:43,249 INFO L158 Benchmark]: IcfgBuilder took 1140.52ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 51.9MB in the end (delta: 76.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-11-10 14:39:43,249 INFO L158 Benchmark]: TraceAbstraction took 8631.46ms. Allocated memory was 178.3MB in the beginning and 398.5MB in the end (delta: 220.2MB). Free memory was 50.9MB in the beginning and 258.9MB in the end (delta: -208.0MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB. [2024-11-10 14:39:43,249 INFO L158 Benchmark]: Witness Printer took 120.62ms. Allocated memory is still 398.5MB. Free memory was 258.9MB in the beginning and 251.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:39:43,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.79ms. Allocated memory is still 178.3MB. Free memory was 150.2MB in the beginning and 134.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.40ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 131.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.53ms. Allocated memory is still 178.3MB. Free memory was 131.6MB in the beginning and 128.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 1140.52ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 51.9MB in the end (delta: 76.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8631.46ms. Allocated memory was 178.3MB in the beginning and 398.5MB in the end (delta: 220.2MB). Free memory was 50.9MB in the beginning and 258.9MB in the end (delta: -208.0MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB. * Witness Printer took 120.62ms. Allocated memory is still 398.5MB. Free memory was 258.9MB in the beginning and 251.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 484 locations, 117 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.4s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1114 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 201 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1660 IncrementalHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 113 mSDtfsCounter, 1660 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=726occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3098 NumberOfCodeBlocks, 3098 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3073 ConstructedInterpolants, 0 QuantifiedInterpolants, 4030 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 67 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:39:43,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE