./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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/goblint-regression/09-regions_01-list_rc.i -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 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:36:02,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:36:02,680 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:36:02,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:36:02,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:36:02,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:36:02,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:36:02,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:36:02,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:36:02,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:36:02,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:36:02,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:36:02,726 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:36:02,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:36:02,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:36:02,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:36:02,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:36:02,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:36:02,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:36:02,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:36:02,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:36:02,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:36:02,730 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:36:02,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:36:02,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:36:02,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:36:02,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:36:02,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:36:02,732 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:36:02,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:36:02,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:36:02,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:36:02,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:36:02,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:36:02,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:36:02,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:36:02,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:36:02,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:36:02,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:36:02,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:36:02,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:36:02,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc [2024-11-16 23:36:02,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:36:03,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:36:03,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:36:03,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:36:03,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:36:03,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-11-16 23:36:04,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:36:04,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:36:04,750 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-11-16 23:36:04,776 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4adfa40da/14386733274644898f9465594e7272d3/FLAG82724a793 [2024-11-16 23:36:04,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4adfa40da/14386733274644898f9465594e7272d3 [2024-11-16 23:36:04,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:36:04,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:36:04,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:36:04,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:36:04,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:36:04,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:04" (1/1) ... [2024-11-16 23:36:04,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa79fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:04, skipping insertion in model container [2024-11-16 23:36:04,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:04" (1/1) ... [2024-11-16 23:36:04,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:36:05,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:36:05,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:36:05,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:36:05,626 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:36:05,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05 WrapperNode [2024-11-16 23:36:05,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:36:05,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:36:05,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:36:05,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:36:05,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,707 INFO L138 Inliner]: procedures = 368, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2024-11-16 23:36:05,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:36:05,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:36:05,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:36:05,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:36:05,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,738 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:36:05,752 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:36:05,753 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:36:05,753 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:36:05,755 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (1/1) ... [2024-11-16 23:36:05,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:36:05,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:05,795 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) [2024-11-16 23:36:05,800 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 [2024-11-16 23:36:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:36:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:36:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:36:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:36:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:36:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:36:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:36:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:36:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:36:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:36:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:36:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:36:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:36:05,854 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:36:06,028 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:36:06,031 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:36:06,485 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:36:06,485 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:36:06,546 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:36:06,548 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:36:06,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:36:06 BoogieIcfgContainer [2024-11-16 23:36:06,548 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:36:06,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:36:06,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:36:06,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:36:06,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:36:04" (1/3) ... [2024-11-16 23:36:06,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b5ea8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:36:06, skipping insertion in model container [2024-11-16 23:36:06,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:05" (2/3) ... [2024-11-16 23:36:06,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b5ea8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:36:06, skipping insertion in model container [2024-11-16 23:36:06,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:36:06" (3/3) ... [2024-11-16 23:36:06,559 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2024-11-16 23:36:06,576 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:36:06,577 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-16 23:36:06,577 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:36:06,683 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:36:06,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 199 transitions, 402 flow [2024-11-16 23:36:06,813 INFO L124 PetriNetUnfolderBase]: 0/198 cut-off events. [2024-11-16 23:36:06,814 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:06,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 198 events. 0/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 103 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-16 23:36:06,820 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 199 transitions, 402 flow [2024-11-16 23:36:06,827 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 198 transitions, 399 flow [2024-11-16 23:36:06,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:36:06,851 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;@5493cea5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:36:06,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-16 23:36:06,859 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:36:06,860 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-16 23:36:06,860 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:06,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:06,861 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] [2024-11-16 23:36:06,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:06,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:06,867 INFO L85 PathProgramCache]: Analyzing trace with hash 125045078, now seen corresponding path program 1 times [2024-11-16 23:36:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:06,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347697213] [2024-11-16 23:36:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:07,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:07,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347697213] [2024-11-16 23:36:07,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347697213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:07,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:07,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:07,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643574012] [2024-11-16 23:36:07,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:07,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:07,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:07,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:07,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:08,266 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-11-16 23:36:08,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 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) [2024-11-16 23:36:08,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:08,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-11-16 23:36:08,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:08,554 INFO L124 PetriNetUnfolderBase]: 220/1022 cut-off events. [2024-11-16 23:36:08,554 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:36:08,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 1022 events. 220/1022 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5377 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-11-16 23:36:08,564 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/196 dead transitions. [2024-11-16 23:36:08,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 196 transitions, 509 flow [2024-11-16 23:36:08,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-11-16 23:36:08,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-11-16 23:36:08,586 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 399 flow. Second operand 6 states and 899 transitions. [2024-11-16 23:36:08,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 196 transitions, 509 flow [2024-11-16 23:36:08,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 196 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:08,595 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 414 flow [2024-11-16 23:36:08,598 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2024-11-16 23:36:08,601 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 2 predicate places. [2024-11-16 23:36:08,602 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 414 flow [2024-11-16 23:36:08,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 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) [2024-11-16 23:36:08,603 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:08,604 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] [2024-11-16 23:36:08,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:36:08,604 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:08,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:08,605 INFO L85 PathProgramCache]: Analyzing trace with hash -739087979, now seen corresponding path program 1 times [2024-11-16 23:36:08,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:08,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117132383] [2024-11-16 23:36:08,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:08,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:08,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:08,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117132383] [2024-11-16 23:36:08,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117132383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:08,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:08,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:08,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619636514] [2024-11-16 23:36:08,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:08,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:08,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:08,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:08,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:09,347 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-11-16 23:36:09,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 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) [2024-11-16 23:36:09,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:09,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-11-16 23:36:09,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:09,501 INFO L124 PetriNetUnfolderBase]: 220/1020 cut-off events. [2024-11-16 23:36:09,502 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:09,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1532 conditions, 1020 events. 220/1020 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5386 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-11-16 23:36:09,512 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/194 dead transitions. [2024-11-16 23:36:09,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 194 transitions, 524 flow [2024-11-16 23:36:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-11-16 23:36:09,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-11-16 23:36:09,517 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 414 flow. Second operand 6 states and 899 transitions. [2024-11-16 23:36:09,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 194 transitions, 524 flow [2024-11-16 23:36:09,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 194 transitions, 504 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:09,524 INFO L231 Difference]: Finished difference. Result has 202 places, 194 transitions, 410 flow [2024-11-16 23:36:09,524 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=202, PETRI_TRANSITIONS=194} [2024-11-16 23:36:09,526 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 0 predicate places. [2024-11-16 23:36:09,526 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 194 transitions, 410 flow [2024-11-16 23:36:09,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 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) [2024-11-16 23:36:09,527 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:09,527 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] [2024-11-16 23:36:09,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:36:09,528 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:09,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:09,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1637633002, now seen corresponding path program 1 times [2024-11-16 23:36:09,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:09,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496308206] [2024-11-16 23:36:09,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:09,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:09,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:09,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:09,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496308206] [2024-11-16 23:36:09,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496308206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:09,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:09,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:36:09,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526109394] [2024-11-16 23:36:09,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:09,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:36:09,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:09,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:36:09,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:36:09,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 199 [2024-11-16 23:36:09,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 194 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2024-11-16 23:36:09,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:09,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 199 [2024-11-16 23:36:09,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:09,669 INFO L124 PetriNetUnfolderBase]: 16/329 cut-off events. [2024-11-16 23:36:09,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:09,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 329 events. 16/329 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 774 event pairs, 16 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-11-16 23:36:09,672 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 14 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2024-11-16 23:36:09,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 193 transitions, 440 flow [2024-11-16 23:36:09,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:36:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:36:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2024-11-16 23:36:09,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430485762144054 [2024-11-16 23:36:09,675 INFO L175 Difference]: Start difference. First operand has 202 places, 194 transitions, 410 flow. Second operand 3 states and 563 transitions. [2024-11-16 23:36:09,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 193 transitions, 440 flow [2024-11-16 23:36:09,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:09,679 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 392 flow [2024-11-16 23:36:09,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2024-11-16 23:36:09,681 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -4 predicate places. [2024-11-16 23:36:09,681 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 392 flow [2024-11-16 23:36:09,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2024-11-16 23:36:09,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:09,682 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:09,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:36:09,683 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:09,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:09,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1623512248, now seen corresponding path program 1 times [2024-11-16 23:36:09,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:09,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539663606] [2024-11-16 23:36:09,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:09,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:09,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:09,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539663606] [2024-11-16 23:36:09,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539663606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:09,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:09,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:36:09,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094470614] [2024-11-16 23:36:09,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:09,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:36:09,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:09,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:36:09,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:36:09,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 199 [2024-11-16 23:36:09,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2024-11-16 23:36:09,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:09,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 199 [2024-11-16 23:36:09,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:09,810 INFO L124 PetriNetUnfolderBase]: 24/406 cut-off events. [2024-11-16 23:36:09,811 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:36:09,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 406 events. 24/406 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1218 event pairs, 24 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-11-16 23:36:09,814 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 15 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2024-11-16 23:36:09,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 414 flow [2024-11-16 23:36:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:36:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:36:09,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-16 23:36:09,816 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9296482412060302 [2024-11-16 23:36:09,816 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 392 flow. Second operand 3 states and 555 transitions. [2024-11-16 23:36:09,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 414 flow [2024-11-16 23:36:09,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 188 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:36:09,820 INFO L231 Difference]: Finished difference. Result has 193 places, 188 transitions, 380 flow [2024-11-16 23:36:09,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=193, PETRI_TRANSITIONS=188} [2024-11-16 23:36:09,822 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -9 predicate places. [2024-11-16 23:36:09,822 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 188 transitions, 380 flow [2024-11-16 23:36:09,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2024-11-16 23:36:09,824 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:09,824 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] [2024-11-16 23:36:09,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:36:09,824 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:09,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:09,825 INFO L85 PathProgramCache]: Analyzing trace with hash 2021634734, now seen corresponding path program 1 times [2024-11-16 23:36:09,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:09,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590537802] [2024-11-16 23:36:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:10,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:10,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590537802] [2024-11-16 23:36:10,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590537802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:10,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:10,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:10,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044418056] [2024-11-16 23:36:10,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:10,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:10,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:10,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:10,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:10,677 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 199 [2024-11-16 23:36:10,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 188 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 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) [2024-11-16 23:36:10,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:10,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 199 [2024-11-16 23:36:10,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:10,907 INFO L124 PetriNetUnfolderBase]: 288/1159 cut-off events. [2024-11-16 23:36:10,908 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:10,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1804 conditions, 1159 events. 288/1159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6266 event pairs, 288 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-11-16 23:36:10,917 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 58 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2024-11-16 23:36:10,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 187 transitions, 504 flow [2024-11-16 23:36:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions. [2024-11-16 23:36:10,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7319932998324958 [2024-11-16 23:36:10,920 INFO L175 Difference]: Start difference. First operand has 193 places, 188 transitions, 380 flow. Second operand 6 states and 874 transitions. [2024-11-16 23:36:10,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 187 transitions, 504 flow [2024-11-16 23:36:10,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 187 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:10,924 INFO L231 Difference]: Finished difference. Result has 196 places, 187 transitions, 387 flow [2024-11-16 23:36:10,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=196, PETRI_TRANSITIONS=187} [2024-11-16 23:36:10,926 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -6 predicate places. [2024-11-16 23:36:10,926 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 187 transitions, 387 flow [2024-11-16 23:36:10,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 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) [2024-11-16 23:36:10,927 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:10,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:10,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:36:10,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:10,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:10,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1563696229, now seen corresponding path program 1 times [2024-11-16 23:36:10,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:10,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567720770] [2024-11-16 23:36:10,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:10,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:11,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:11,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567720770] [2024-11-16 23:36:11,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567720770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:11,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:11,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:11,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420757123] [2024-11-16 23:36:11,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:11,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:11,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:11,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:11,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:11,810 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 199 [2024-11-16 23:36:11,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 187 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 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) [2024-11-16 23:36:11,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:11,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 199 [2024-11-16 23:36:11,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:12,228 INFO L124 PetriNetUnfolderBase]: 316/1485 cut-off events. [2024-11-16 23:36:12,229 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:36:12,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2221 conditions, 1485 events. 316/1485 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9202 event pairs, 36 based on Foata normal form. 0/1395 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-11-16 23:36:12,236 INFO L140 encePairwiseOnDemand]: 171/199 looper letters, 99 selfloop transitions, 70 changer transitions 0/299 dead transitions. [2024-11-16 23:36:12,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 299 transitions, 949 flow [2024-11-16 23:36:12,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1023 transitions. [2024-11-16 23:36:12,239 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8567839195979899 [2024-11-16 23:36:12,239 INFO L175 Difference]: Start difference. First operand has 196 places, 187 transitions, 387 flow. Second operand 6 states and 1023 transitions. [2024-11-16 23:36:12,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 299 transitions, 949 flow [2024-11-16 23:36:12,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 299 transitions, 939 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:12,247 INFO L231 Difference]: Finished difference. Result has 200 places, 257 transitions, 855 flow [2024-11-16 23:36:12,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=855, PETRI_PLACES=200, PETRI_TRANSITIONS=257} [2024-11-16 23:36:12,249 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -2 predicate places. [2024-11-16 23:36:12,250 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 257 transitions, 855 flow [2024-11-16 23:36:12,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 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) [2024-11-16 23:36:12,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:12,251 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] [2024-11-16 23:36:12,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:36:12,252 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:12,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:12,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1151020276, now seen corresponding path program 1 times [2024-11-16 23:36:12,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:12,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120809372] [2024-11-16 23:36:12,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:12,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:12,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:12,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120809372] [2024-11-16 23:36:12,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120809372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:12,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:12,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:12,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002977094] [2024-11-16 23:36:12,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:12,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:12,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:12,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:12,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:12,978 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 199 [2024-11-16 23:36:12,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 257 transitions, 855 flow. Second operand has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 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) [2024-11-16 23:36:12,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:12,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 199 [2024-11-16 23:36:12,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:13,289 INFO L124 PetriNetUnfolderBase]: 588/2256 cut-off events. [2024-11-16 23:36:13,290 INFO L125 PetriNetUnfolderBase]: For 602/608 co-relation queries the response was YES. [2024-11-16 23:36:13,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4645 conditions, 2256 events. 588/2256 cut-off events. For 602/608 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15125 event pairs, 222 based on Foata normal form. 0/2145 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-11-16 23:36:13,306 INFO L140 encePairwiseOnDemand]: 184/199 looper letters, 106 selfloop transitions, 48 changer transitions 0/308 dead transitions. [2024-11-16 23:36:13,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 308 transitions, 1335 flow [2024-11-16 23:36:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 960 transitions. [2024-11-16 23:36:13,313 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8040201005025126 [2024-11-16 23:36:13,313 INFO L175 Difference]: Start difference. First operand has 200 places, 257 transitions, 855 flow. Second operand 6 states and 960 transitions. [2024-11-16 23:36:13,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 308 transitions, 1335 flow [2024-11-16 23:36:13,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 308 transitions, 1335 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:36:13,327 INFO L231 Difference]: Finished difference. Result has 210 places, 300 transitions, 1243 flow [2024-11-16 23:36:13,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1243, PETRI_PLACES=210, PETRI_TRANSITIONS=300} [2024-11-16 23:36:13,327 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 8 predicate places. [2024-11-16 23:36:13,328 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 300 transitions, 1243 flow [2024-11-16 23:36:13,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 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) [2024-11-16 23:36:13,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:13,331 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] [2024-11-16 23:36:13,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:36:13,332 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:13,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:13,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1843330366, now seen corresponding path program 1 times [2024-11-16 23:36:13,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:13,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697883] [2024-11-16 23:36:13,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:13,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:13,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:13,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697883] [2024-11-16 23:36:13,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:13,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:13,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:13,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002507836] [2024-11-16 23:36:13,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:13,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:13,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:13,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:13,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:14,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 199 [2024-11-16 23:36:14,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 300 transitions, 1243 flow. Second operand has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 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) [2024-11-16 23:36:14,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:14,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 199 [2024-11-16 23:36:14,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:14,687 INFO L124 PetriNetUnfolderBase]: 752/2809 cut-off events. [2024-11-16 23:36:14,687 INFO L125 PetriNetUnfolderBase]: For 1634/1691 co-relation queries the response was YES. [2024-11-16 23:36:14,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6590 conditions, 2809 events. 752/2809 cut-off events. For 1634/1691 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 20086 event pairs, 86 based on Foata normal form. 0/2713 useless extension candidates. Maximal degree in co-relation 6514. Up to 1022 conditions per place. [2024-11-16 23:36:14,708 INFO L140 encePairwiseOnDemand]: 176/199 looper letters, 128 selfloop transitions, 136 changer transitions 4/440 dead transitions. [2024-11-16 23:36:14,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 440 transitions, 2535 flow [2024-11-16 23:36:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1018 transitions. [2024-11-16 23:36:14,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8525963149078727 [2024-11-16 23:36:14,712 INFO L175 Difference]: Start difference. First operand has 210 places, 300 transitions, 1243 flow. Second operand 6 states and 1018 transitions. [2024-11-16 23:36:14,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 440 transitions, 2535 flow [2024-11-16 23:36:14,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 440 transitions, 2517 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-16 23:36:14,731 INFO L231 Difference]: Finished difference. Result has 220 places, 431 transitions, 2591 flow [2024-11-16 23:36:14,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2591, PETRI_PLACES=220, PETRI_TRANSITIONS=431} [2024-11-16 23:36:14,732 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 18 predicate places. [2024-11-16 23:36:14,732 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 431 transitions, 2591 flow [2024-11-16 23:36:14,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 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) [2024-11-16 23:36:14,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:14,733 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:14,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:36:14,733 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:14,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:14,734 INFO L85 PathProgramCache]: Analyzing trace with hash 367398165, now seen corresponding path program 1 times [2024-11-16 23:36:14,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:14,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172612738] [2024-11-16 23:36:14,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:14,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:15,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:15,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172612738] [2024-11-16 23:36:15,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172612738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:15,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:15,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:15,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354418702] [2024-11-16 23:36:15,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:15,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:15,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:15,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:16,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:36:16,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 431 transitions, 2591 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:16,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:16,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:36:16,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:17,921 INFO L124 PetriNetUnfolderBase]: 1151/4146 cut-off events. [2024-11-16 23:36:17,922 INFO L125 PetriNetUnfolderBase]: For 5344/5448 co-relation queries the response was YES. [2024-11-16 23:36:17,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11912 conditions, 4146 events. 1151/4146 cut-off events. For 5344/5448 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 33256 event pairs, 94 based on Foata normal form. 35/4083 useless extension candidates. Maximal degree in co-relation 11828. Up to 880 conditions per place. [2024-11-16 23:36:17,957 INFO L140 encePairwiseOnDemand]: 162/199 looper letters, 349 selfloop transitions, 159 changer transitions 4/655 dead transitions. [2024-11-16 23:36:17,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 655 transitions, 5031 flow [2024-11-16 23:36:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 23:36:17,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-16 23:36:17,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2077 transitions. [2024-11-16 23:36:17,962 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7455132806891601 [2024-11-16 23:36:17,963 INFO L175 Difference]: Start difference. First operand has 220 places, 431 transitions, 2591 flow. Second operand 14 states and 2077 transitions. [2024-11-16 23:36:17,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 655 transitions, 5031 flow [2024-11-16 23:36:17,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 655 transitions, 4959 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-16 23:36:18,000 INFO L231 Difference]: Finished difference. Result has 243 places, 494 transitions, 3864 flow [2024-11-16 23:36:18,001 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=2555, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3864, PETRI_PLACES=243, PETRI_TRANSITIONS=494} [2024-11-16 23:36:18,002 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 41 predicate places. [2024-11-16 23:36:18,002 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 494 transitions, 3864 flow [2024-11-16 23:36:18,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:18,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:18,004 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] [2024-11-16 23:36:18,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:36:18,004 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:18,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:18,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1835299093, now seen corresponding path program 2 times [2024-11-16 23:36:18,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:18,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635267952] [2024-11-16 23:36:18,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:18,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:18,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:18,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635267952] [2024-11-16 23:36:18,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635267952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:18,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:18,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:18,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291079973] [2024-11-16 23:36:18,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:18,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:18,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:18,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:18,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:19,749 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:36:19,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 494 transitions, 3864 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:19,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:19,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:36:19,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:21,003 INFO L124 PetriNetUnfolderBase]: 1262/4509 cut-off events. [2024-11-16 23:36:21,004 INFO L125 PetriNetUnfolderBase]: For 9526/9629 co-relation queries the response was YES. [2024-11-16 23:36:21,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14412 conditions, 4509 events. 1262/4509 cut-off events. For 9526/9629 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 36339 event pairs, 93 based on Foata normal form. 39/4426 useless extension candidates. Maximal degree in co-relation 14314. Up to 891 conditions per place. [2024-11-16 23:36:21,042 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 440 selfloop transitions, 103 changer transitions 0/686 dead transitions. [2024-11-16 23:36:21,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 686 transitions, 6408 flow [2024-11-16 23:36:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 23:36:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-16 23:36:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2654 transitions. [2024-11-16 23:36:21,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.701930706162391 [2024-11-16 23:36:21,049 INFO L175 Difference]: Start difference. First operand has 243 places, 494 transitions, 3864 flow. Second operand 19 states and 2654 transitions. [2024-11-16 23:36:21,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 686 transitions, 6408 flow [2024-11-16 23:36:21,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 686 transitions, 6403 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:36:21,094 INFO L231 Difference]: Finished difference. Result has 267 places, 549 transitions, 4679 flow [2024-11-16 23:36:21,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=3859, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4679, PETRI_PLACES=267, PETRI_TRANSITIONS=549} [2024-11-16 23:36:21,095 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 65 predicate places. [2024-11-16 23:36:21,096 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 549 transitions, 4679 flow [2024-11-16 23:36:21,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:21,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:21,097 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] [2024-11-16 23:36:21,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:36:21,097 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:21,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:21,098 INFO L85 PathProgramCache]: Analyzing trace with hash -813120073, now seen corresponding path program 3 times [2024-11-16 23:36:21,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:21,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467617106] [2024-11-16 23:36:21,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:21,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:21,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:21,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:21,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467617106] [2024-11-16 23:36:21,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467617106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:21,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:21,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:21,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286415479] [2024-11-16 23:36:21,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:21,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:21,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:21,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:21,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:22,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:36:22,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 549 transitions, 4679 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:22,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:22,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:36:22,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:24,145 INFO L124 PetriNetUnfolderBase]: 1756/6366 cut-off events. [2024-11-16 23:36:24,145 INFO L125 PetriNetUnfolderBase]: For 18302/18515 co-relation queries the response was YES. [2024-11-16 23:36:24,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21526 conditions, 6366 events. 1756/6366 cut-off events. For 18302/18515 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 58130 event pairs, 163 based on Foata normal form. 53/6261 useless extension candidates. Maximal degree in co-relation 21418. Up to 1877 conditions per place. [2024-11-16 23:36:24,282 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 417 selfloop transitions, 204 changer transitions 1/765 dead transitions. [2024-11-16 23:36:24,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 765 transitions, 8082 flow [2024-11-16 23:36:24,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 23:36:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-16 23:36:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2111 transitions. [2024-11-16 23:36:24,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7072026800670017 [2024-11-16 23:36:24,287 INFO L175 Difference]: Start difference. First operand has 267 places, 549 transitions, 4679 flow. Second operand 15 states and 2111 transitions. [2024-11-16 23:36:24,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 765 transitions, 8082 flow [2024-11-16 23:36:24,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 765 transitions, 8041 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:24,361 INFO L231 Difference]: Finished difference. Result has 286 places, 653 transitions, 6958 flow [2024-11-16 23:36:24,361 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=4653, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6958, PETRI_PLACES=286, PETRI_TRANSITIONS=653} [2024-11-16 23:36:24,362 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 84 predicate places. [2024-11-16 23:36:24,362 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 653 transitions, 6958 flow [2024-11-16 23:36:24,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:24,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:24,363 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:24,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:36:24,364 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:24,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:24,364 INFO L85 PathProgramCache]: Analyzing trace with hash 485891229, now seen corresponding path program 4 times [2024-11-16 23:36:24,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:24,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545814980] [2024-11-16 23:36:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:24,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:25,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:25,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545814980] [2024-11-16 23:36:25,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545814980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:25,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:25,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:25,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927856035] [2024-11-16 23:36:25,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:25,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:25,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:25,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:25,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:26,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:36:26,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 653 transitions, 6958 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:26,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:26,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:36:26,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:28,762 INFO L124 PetriNetUnfolderBase]: 2409/8639 cut-off events. [2024-11-16 23:36:28,763 INFO L125 PetriNetUnfolderBase]: For 36231/36531 co-relation queries the response was YES. [2024-11-16 23:36:28,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31316 conditions, 8639 events. 2409/8639 cut-off events. For 36231/36531 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 85283 event pairs, 231 based on Foata normal form. 82/8520 useless extension candidates. Maximal degree in co-relation 31197. Up to 1704 conditions per place. [2024-11-16 23:36:28,828 INFO L140 encePairwiseOnDemand]: 164/199 looper letters, 511 selfloop transitions, 329 changer transitions 2/985 dead transitions. [2024-11-16 23:36:28,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 985 transitions, 12297 flow [2024-11-16 23:36:28,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 23:36:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-16 23:36:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2718 transitions. [2024-11-16 23:36:28,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7188574451203386 [2024-11-16 23:36:28,835 INFO L175 Difference]: Start difference. First operand has 286 places, 653 transitions, 6958 flow. Second operand 19 states and 2718 transitions. [2024-11-16 23:36:28,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 985 transitions, 12297 flow [2024-11-16 23:36:28,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 985 transitions, 12270 flow, removed 11 selfloop flow, removed 3 redundant places. [2024-11-16 23:36:28,977 INFO L231 Difference]: Finished difference. Result has 316 places, 787 transitions, 10473 flow [2024-11-16 23:36:28,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=6931, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10473, PETRI_PLACES=316, PETRI_TRANSITIONS=787} [2024-11-16 23:36:28,980 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 114 predicate places. [2024-11-16 23:36:28,980 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 787 transitions, 10473 flow [2024-11-16 23:36:28,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:28,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:28,982 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] [2024-11-16 23:36:28,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:36:28,982 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:28,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:28,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1272801763, now seen corresponding path program 1 times [2024-11-16 23:36:28,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:28,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830911122] [2024-11-16 23:36:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:28,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:29,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:29,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830911122] [2024-11-16 23:36:29,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830911122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:29,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:29,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:29,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898791005] [2024-11-16 23:36:29,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:29,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:29,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:29,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:29,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:30,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 199 [2024-11-16 23:36:30,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 787 transitions, 10473 flow. Second operand has 13 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 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) [2024-11-16 23:36:30,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:30,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 199 [2024-11-16 23:36:30,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:33,497 INFO L124 PetriNetUnfolderBase]: 2979/10094 cut-off events. [2024-11-16 23:36:33,498 INFO L125 PetriNetUnfolderBase]: For 51665/51979 co-relation queries the response was YES. [2024-11-16 23:36:33,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39020 conditions, 10094 events. 2979/10094 cut-off events. For 51665/51979 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 100176 event pairs, 521 based on Foata normal form. 60/9935 useless extension candidates. Maximal degree in co-relation 38885. Up to 2345 conditions per place. [2024-11-16 23:36:33,597 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 451 selfloop transitions, 179 changer transitions 0/927 dead transitions. [2024-11-16 23:36:33,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 927 transitions, 13143 flow [2024-11-16 23:36:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 23:36:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-16 23:36:33,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2020 transitions. [2024-11-16 23:36:33,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7250538406317301 [2024-11-16 23:36:33,602 INFO L175 Difference]: Start difference. First operand has 316 places, 787 transitions, 10473 flow. Second operand 14 states and 2020 transitions. [2024-11-16 23:36:33,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 927 transitions, 13143 flow [2024-11-16 23:36:33,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 927 transitions, 13060 flow, removed 39 selfloop flow, removed 3 redundant places. [2024-11-16 23:36:33,883 INFO L231 Difference]: Finished difference. Result has 331 places, 802 transitions, 11222 flow [2024-11-16 23:36:33,884 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=10406, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11222, PETRI_PLACES=331, PETRI_TRANSITIONS=802} [2024-11-16 23:36:33,885 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 129 predicate places. [2024-11-16 23:36:33,885 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 802 transitions, 11222 flow [2024-11-16 23:36:33,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 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) [2024-11-16 23:36:33,886 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:33,886 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] [2024-11-16 23:36:33,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:36:33,887 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:33,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1220079395, now seen corresponding path program 5 times [2024-11-16 23:36:33,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:33,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971261192] [2024-11-16 23:36:33,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:34,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:34,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971261192] [2024-11-16 23:36:34,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971261192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:34,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:34,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:34,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914343476] [2024-11-16 23:36:34,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:34,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:34,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:34,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:34,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:35,413 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:36:35,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 802 transitions, 11222 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:35,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:35,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:36:35,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:38,529 INFO L124 PetriNetUnfolderBase]: 3266/11705 cut-off events. [2024-11-16 23:36:38,529 INFO L125 PetriNetUnfolderBase]: For 74670/75240 co-relation queries the response was YES. [2024-11-16 23:36:38,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48157 conditions, 11705 events. 3266/11705 cut-off events. For 74670/75240 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 124939 event pairs, 303 based on Foata normal form. 126/11533 useless extension candidates. Maximal degree in co-relation 48016. Up to 2371 conditions per place. [2024-11-16 23:36:38,634 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 549 selfloop transitions, 404 changer transitions 3/1105 dead transitions. [2024-11-16 23:36:38,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1105 transitions, 17109 flow [2024-11-16 23:36:38,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 23:36:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-16 23:36:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2860 transitions. [2024-11-16 23:36:38,640 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7185929648241206 [2024-11-16 23:36:38,640 INFO L175 Difference]: Start difference. First operand has 331 places, 802 transitions, 11222 flow. Second operand 20 states and 2860 transitions. [2024-11-16 23:36:38,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1105 transitions, 17109 flow [2024-11-16 23:36:38,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 1105 transitions, 16922 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-16 23:36:38,909 INFO L231 Difference]: Finished difference. Result has 353 places, 918 transitions, 15162 flow [2024-11-16 23:36:38,909 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=11098, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=15162, PETRI_PLACES=353, PETRI_TRANSITIONS=918} [2024-11-16 23:36:38,910 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 151 predicate places. [2024-11-16 23:36:38,910 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 918 transitions, 15162 flow [2024-11-16 23:36:38,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:38,911 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:38,911 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] [2024-11-16 23:36:38,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:36:38,911 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:38,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:38,911 INFO L85 PathProgramCache]: Analyzing trace with hash 52239511, now seen corresponding path program 6 times [2024-11-16 23:36:38,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:38,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130083356] [2024-11-16 23:36:38,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:38,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:39,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:39,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130083356] [2024-11-16 23:36:39,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130083356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:39,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:39,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:39,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484908469] [2024-11-16 23:36:39,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:39,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:39,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:39,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:39,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:40,404 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:36:40,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 918 transitions, 15162 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:40,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:40,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:36:40,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:44,353 INFO L124 PetriNetUnfolderBase]: 4359/15436 cut-off events. [2024-11-16 23:36:44,353 INFO L125 PetriNetUnfolderBase]: For 122830/123704 co-relation queries the response was YES. [2024-11-16 23:36:44,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66755 conditions, 15436 events. 4359/15436 cut-off events. For 122830/123704 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 175282 event pairs, 410 based on Foata normal form. 242/15273 useless extension candidates. Maximal degree in co-relation 66603. Up to 3140 conditions per place. [2024-11-16 23:36:44,529 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 597 selfloop transitions, 493 changer transitions 0/1239 dead transitions. [2024-11-16 23:36:44,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 1239 transitions, 22490 flow [2024-11-16 23:36:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 23:36:44,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-16 23:36:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2679 transitions. [2024-11-16 23:36:44,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7085427135678392 [2024-11-16 23:36:44,534 INFO L175 Difference]: Start difference. First operand has 353 places, 918 transitions, 15162 flow. Second operand 19 states and 2679 transitions. [2024-11-16 23:36:44,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 1239 transitions, 22490 flow [2024-11-16 23:36:44,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 1239 transitions, 22393 flow, removed 35 selfloop flow, removed 7 redundant places. [2024-11-16 23:36:45,150 INFO L231 Difference]: Finished difference. Result has 373 places, 1042 transitions, 20117 flow [2024-11-16 23:36:45,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=15111, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=373, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=20117, PETRI_PLACES=373, PETRI_TRANSITIONS=1042} [2024-11-16 23:36:45,151 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 171 predicate places. [2024-11-16 23:36:45,152 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 1042 transitions, 20117 flow [2024-11-16 23:36:45,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:45,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:45,153 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] [2024-11-16 23:36:45,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:36:45,153 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:45,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:45,153 INFO L85 PathProgramCache]: Analyzing trace with hash 706970079, now seen corresponding path program 7 times [2024-11-16 23:36:45,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:45,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375487294] [2024-11-16 23:36:45,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:45,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:45,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:45,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375487294] [2024-11-16 23:36:45,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375487294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:45,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:45,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:45,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2793122] [2024-11-16 23:36:45,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:45,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:45,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:45,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:45,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:46,957 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:36:46,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 1042 transitions, 20117 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:46,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:46,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:36:46,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:51,871 INFO L124 PetriNetUnfolderBase]: 4813/16920 cut-off events. [2024-11-16 23:36:51,871 INFO L125 PetriNetUnfolderBase]: For 170774/171886 co-relation queries the response was YES. [2024-11-16 23:36:52,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76797 conditions, 16920 events. 4813/16920 cut-off events. For 170774/171886 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 196442 event pairs, 440 based on Foata normal form. 327/16819 useless extension candidates. Maximal degree in co-relation 76636. Up to 3479 conditions per place. [2024-11-16 23:36:52,065 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 673 selfloop transitions, 505 changer transitions 3/1330 dead transitions. [2024-11-16 23:36:52,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 1330 transitions, 26833 flow [2024-11-16 23:36:52,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-16 23:36:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-16 23:36:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3134 transitions. [2024-11-16 23:36:52,070 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7158519872087711 [2024-11-16 23:36:52,070 INFO L175 Difference]: Start difference. First operand has 373 places, 1042 transitions, 20117 flow. Second operand 22 states and 3134 transitions. [2024-11-16 23:36:52,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 1330 transitions, 26833 flow [2024-11-16 23:36:52,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 1330 transitions, 26641 flow, removed 67 selfloop flow, removed 9 redundant places. [2024-11-16 23:36:52,797 INFO L231 Difference]: Finished difference. Result has 394 places, 1126 transitions, 24341 flow [2024-11-16 23:36:52,797 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=19939, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=24341, PETRI_PLACES=394, PETRI_TRANSITIONS=1126} [2024-11-16 23:36:52,798 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 192 predicate places. [2024-11-16 23:36:52,798 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 1126 transitions, 24341 flow [2024-11-16 23:36:52,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:52,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:52,799 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] [2024-11-16 23:36:52,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:36:52,799 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:36:52,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:52,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1281230345, now seen corresponding path program 8 times [2024-11-16 23:36:52,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:52,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448163307] [2024-11-16 23:36:52,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:52,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:53,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:53,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448163307] [2024-11-16 23:36:53,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448163307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:53,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:53,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:36:53,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576097726] [2024-11-16 23:36:53,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:53,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:36:53,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:53,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:36:53,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:54,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:36:54,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 1126 transitions, 24341 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:36:54,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:54,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:36:54,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:59,790 INFO L124 PetriNetUnfolderBase]: 5107/18043 cut-off events. [2024-11-16 23:36:59,790 INFO L125 PetriNetUnfolderBase]: For 220524/221646 co-relation queries the response was YES. [2024-11-16 23:36:59,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85590 conditions, 18043 events. 5107/18043 cut-off events. For 220524/221646 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 212655 event pairs, 431 based on Foata normal form. 380/17964 useless extension candidates. Maximal degree in co-relation 85420. Up to 3683 conditions per place. [2024-11-16 23:36:59,980 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 630 selfloop transitions, 614 changer transitions 0/1393 dead transitions. [2024-11-16 23:36:59,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 1393 transitions, 31507 flow [2024-11-16 23:36:59,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 23:36:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-16 23:36:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2680 transitions. [2024-11-16 23:36:59,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7088071938640571 [2024-11-16 23:36:59,984 INFO L175 Difference]: Start difference. First operand has 394 places, 1126 transitions, 24341 flow. Second operand 19 states and 2680 transitions. [2024-11-16 23:36:59,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 1393 transitions, 31507 flow [2024-11-16 23:37:00,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 1393 transitions, 31359 flow, removed 42 selfloop flow, removed 12 redundant places. [2024-11-16 23:37:00,622 INFO L231 Difference]: Finished difference. Result has 408 places, 1209 transitions, 28714 flow [2024-11-16 23:37:00,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24193, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=533, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=28714, PETRI_PLACES=408, PETRI_TRANSITIONS=1209} [2024-11-16 23:37:00,624 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 206 predicate places. [2024-11-16 23:37:00,624 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 1209 transitions, 28714 flow [2024-11-16 23:37:00,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:37:00,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:00,625 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] [2024-11-16 23:37:00,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:37:00,625 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:37:00,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:00,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1397278485, now seen corresponding path program 9 times [2024-11-16 23:37:00,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:00,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525404689] [2024-11-16 23:37:00,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:00,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:01,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:01,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525404689] [2024-11-16 23:37:01,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525404689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:01,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:01,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:37:01,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320612413] [2024-11-16 23:37:01,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:01,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:37:01,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:01,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:37:01,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:37:02,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:37:02,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 1209 transitions, 28714 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:37:02,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:02,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:37:02,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:08,987 INFO L124 PetriNetUnfolderBase]: 5646/19877 cut-off events. [2024-11-16 23:37:08,987 INFO L125 PetriNetUnfolderBase]: For 286308/287632 co-relation queries the response was YES. [2024-11-16 23:37:09,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98760 conditions, 19877 events. 5646/19877 cut-off events. For 286308/287632 co-relation queries the response was YES. Maximal size of possible extension queue 825. Compared 238832 event pairs, 543 based on Foata normal form. 413/19789 useless extension candidates. Maximal degree in co-relation 98582. Up to 4060 conditions per place. [2024-11-16 23:37:09,285 INFO L140 encePairwiseOnDemand]: 167/199 looper letters, 766 selfloop transitions, 609 changer transitions 2/1526 dead transitions. [2024-11-16 23:37:09,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1526 transitions, 37250 flow [2024-11-16 23:37:09,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 23:37:09,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-16 23:37:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2985 transitions. [2024-11-16 23:37:09,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2024-11-16 23:37:09,289 INFO L175 Difference]: Start difference. First operand has 408 places, 1209 transitions, 28714 flow. Second operand 21 states and 2985 transitions. [2024-11-16 23:37:09,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1526 transitions, 37250 flow [2024-11-16 23:37:10,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1526 transitions, 37100 flow, removed 46 selfloop flow, removed 9 redundant places. [2024-11-16 23:37:10,379 INFO L231 Difference]: Finished difference. Result has 428 places, 1310 transitions, 34353 flow [2024-11-16 23:37:10,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=28564, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=34353, PETRI_PLACES=428, PETRI_TRANSITIONS=1310} [2024-11-16 23:37:10,381 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 226 predicate places. [2024-11-16 23:37:10,381 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 1310 transitions, 34353 flow [2024-11-16 23:37:10,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:37:10,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:10,382 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] [2024-11-16 23:37:10,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:37:10,383 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:37:10,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:10,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1351946065, now seen corresponding path program 10 times [2024-11-16 23:37:10,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:10,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257877041] [2024-11-16 23:37:10,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:10,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:11,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:11,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257877041] [2024-11-16 23:37:11,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257877041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:11,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:11,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 23:37:11,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350491913] [2024-11-16 23:37:11,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:11,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 23:37:11,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:11,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 23:37:11,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:37:11,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-16 23:37:11,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 1310 transitions, 34353 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-16 23:37:11,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:11,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-16 23:37:11,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:18,916 INFO L124 PetriNetUnfolderBase]: 5918/20732 cut-off events. [2024-11-16 23:37:18,916 INFO L125 PetriNetUnfolderBase]: For 357144/358658 co-relation queries the response was YES. [2024-11-16 23:37:19,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107640 conditions, 20732 events. 5918/20732 cut-off events. For 357144/358658 co-relation queries the response was YES. Maximal size of possible extension queue 866. Compared 251007 event pairs, 366 based on Foata normal form. 518/20730 useless extension candidates. Maximal degree in co-relation 107453. Up to 4260 conditions per place. [2024-11-16 23:37:19,221 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 640 selfloop transitions, 738 changer transitions 0/1527 dead transitions. [2024-11-16 23:37:19,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 1527 transitions, 41383 flow [2024-11-16 23:37:19,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 23:37:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-16 23:37:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2537 transitions. [2024-11-16 23:37:19,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7082635399218313 [2024-11-16 23:37:19,224 INFO L175 Difference]: Start difference. First operand has 428 places, 1310 transitions, 34353 flow. Second operand 18 states and 2537 transitions. [2024-11-16 23:37:19,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 1527 transitions, 41383 flow