./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f 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/pthread/reorder_5.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 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:07:20,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:07:20,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:07:20,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:07:20,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:07:20,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:07:20,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:07:20,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:07:20,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:07:20,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:07:20,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:07:20,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:07:20,851 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:07:20,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:07:20,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:07:20,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:07:20,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:07:20,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:07:20,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:07:20,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:07:20,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:07:20,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:07:20,858 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:07:20,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:07:20,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:07:20,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:07:20,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:07:20,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:07:20,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:07:20,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:07:20,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:07:20,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:07:20,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:07:20,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:07:20,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:07:20,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:07:20,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:07:20,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:07:20,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:07:20,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:07:20,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:07:20,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd [2024-11-12 12:07:21,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:07:21,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:07:21,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:07:21,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:07:21,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:07:21,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/reorder_5.i [2024-11-12 12:07:22,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:07:22,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:07:22,906 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/reorder_5.i [2024-11-12 12:07:22,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7ecb677/0fb35237d4074d11931580baa061808d/FLAG1585a5086 [2024-11-12 12:07:22,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7ecb677/0fb35237d4074d11931580baa061808d [2024-11-12 12:07:22,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:07:22,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:07:22,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:07:22,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:07:22,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:07:22,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:22" (1/1) ... [2024-11-12 12:07:22,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571e16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:22, skipping insertion in model container [2024-11-12 12:07:22,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:22" (1/1) ... [2024-11-12 12:07:23,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:07:23,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:07:23,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:07:23,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:07:23,748 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:07:23,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23 WrapperNode [2024-11-12 12:07:23,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:07:23,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:07:23,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:07:23,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:07:23,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,806 INFO L138 Inliner]: procedures = 371, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 212 [2024-11-12 12:07:23,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:07:23,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:07:23,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:07:23,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:07:23,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:07:23,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:07:23,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:07:23,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:07:23,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (1/1) ... [2024-11-12 12:07:23,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:07:23,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:07:23,877 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) [2024-11-12 12:07:23,884 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 [2024-11-12 12:07:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:07:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 12:07:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 12:07:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:07:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:07:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-12 12:07:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-12 12:07:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:07:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:07:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-12 12:07:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-12 12:07:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:07:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:07:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:07:23,927 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:07:24,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:07:24,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:07:24,493 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:07:24,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:07:24,538 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:07:24,539 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 12:07:24,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:24 BoogieIcfgContainer [2024-11-12 12:07:24,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:07:24,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:07:24,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:07:24,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:07:24,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:07:22" (1/3) ... [2024-11-12 12:07:24,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cb9cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:07:24, skipping insertion in model container [2024-11-12 12:07:24,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23" (2/3) ... [2024-11-12 12:07:24,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cb9cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:07:24, skipping insertion in model container [2024-11-12 12:07:24,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:24" (3/3) ... [2024-11-12 12:07:24,550 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5.i [2024-11-12 12:07:24,567 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:07:24,568 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-12 12:07:24,569 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:07:24,653 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-12 12:07:24,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 230 places, 242 transitions, 504 flow [2024-11-12 12:07:24,938 INFO L124 PetriNetUnfolderBase]: 37/514 cut-off events. [2024-11-12 12:07:24,939 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-12 12:07:24,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 514 events. 37/514 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2039 event pairs, 0 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 278. Up to 8 conditions per place. [2024-11-12 12:07:24,954 INFO L82 GeneralOperation]: Start removeDead. Operand has 230 places, 242 transitions, 504 flow [2024-11-12 12:07:24,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 230 places, 242 transitions, 504 flow [2024-11-12 12:07:24,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:07:24,975 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;@412e1234, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:07:24,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-12 12:07:24,980 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:07:24,980 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-12 12:07:24,980 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:07:24,980 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:24,981 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:24,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:24,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:24,987 INFO L85 PathProgramCache]: Analyzing trace with hash 443327457, now seen corresponding path program 1 times [2024-11-12 12:07:24,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:24,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801118173] [2024-11-12 12:07:24,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:24,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:25,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:25,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801118173] [2024-11-12 12:07:25,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801118173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:25,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:25,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:25,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716064808] [2024-11-12 12:07:25,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:25,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:25,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:25,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:25,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:25,292 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 242 [2024-11-12 12:07:25,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 242 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2024-11-12 12:07:25,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:25,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 242 [2024-11-12 12:07:25,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:25,457 INFO L124 PetriNetUnfolderBase]: 63/784 cut-off events. [2024-11-12 12:07:25,458 INFO L125 PetriNetUnfolderBase]: For 90/142 co-relation queries the response was YES. [2024-11-12 12:07:25,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 784 events. 63/784 cut-off events. For 90/142 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3958 event pairs, 50 based on Foata normal form. 53/708 useless extension candidates. Maximal degree in co-relation 557. Up to 128 conditions per place. [2024-11-12 12:07:25,469 INFO L140 encePairwiseOnDemand]: 222/242 looper letters, 18 selfloop transitions, 1 changer transitions 6/222 dead transitions. [2024-11-12 12:07:25,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 222 transitions, 502 flow [2024-11-12 12:07:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-11-12 12:07:25,487 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8911845730027548 [2024-11-12 12:07:25,489 INFO L175 Difference]: Start difference. First operand has 230 places, 242 transitions, 504 flow. Second operand 3 states and 647 transitions. [2024-11-12 12:07:25,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 222 transitions, 502 flow [2024-11-12 12:07:25,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 222 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:07:25,500 INFO L231 Difference]: Finished difference. Result has 223 places, 216 transitions, 454 flow [2024-11-12 12:07:25,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=223, PETRI_TRANSITIONS=216} [2024-11-12 12:07:25,507 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -7 predicate places. [2024-11-12 12:07:25,508 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 216 transitions, 454 flow [2024-11-12 12:07:25,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2024-11-12 12:07:25,509 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:25,509 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:25,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:07:25,510 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:25,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:25,511 INFO L85 PathProgramCache]: Analyzing trace with hash 858225211, now seen corresponding path program 1 times [2024-11-12 12:07:25,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:25,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881504369] [2024-11-12 12:07:25,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:25,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:25,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:25,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881504369] [2024-11-12 12:07:25,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881504369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:25,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:25,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:25,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202306187] [2024-11-12 12:07:25,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:25,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:25,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:25,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:25,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:25,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 242 [2024-11-12 12:07:25,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 216 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-12 12:07:25,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:25,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 242 [2024-11-12 12:07:25,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:25,920 INFO L124 PetriNetUnfolderBase]: 60/1377 cut-off events. [2024-11-12 12:07:25,920 INFO L125 PetriNetUnfolderBase]: For 198/374 co-relation queries the response was YES. [2024-11-12 12:07:25,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1544 conditions, 1377 events. 60/1377 cut-off events. For 198/374 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8692 event pairs, 28 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 742. Up to 51 conditions per place. [2024-11-12 12:07:25,928 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 21 selfloop transitions, 1 changer transitions 0/225 dead transitions. [2024-11-12 12:07:25,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 225 transitions, 534 flow [2024-11-12 12:07:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2024-11-12 12:07:25,935 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9118457300275482 [2024-11-12 12:07:25,936 INFO L175 Difference]: Start difference. First operand has 223 places, 216 transitions, 454 flow. Second operand 3 states and 662 transitions. [2024-11-12 12:07:25,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 225 transitions, 534 flow [2024-11-12 12:07:25,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 225 transitions, 533 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:25,944 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 453 flow [2024-11-12 12:07:25,945 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=453, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2024-11-12 12:07:25,945 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -13 predicate places. [2024-11-12 12:07:25,946 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 453 flow [2024-11-12 12:07:25,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-12 12:07:25,946 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:25,947 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:25,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:07:25,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:25,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:25,949 INFO L85 PathProgramCache]: Analyzing trace with hash 835050036, now seen corresponding path program 1 times [2024-11-12 12:07:25,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:25,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441652953] [2024-11-12 12:07:25,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:25,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:25,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:25,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441652953] [2024-11-12 12:07:25,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441652953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:25,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:25,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:25,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281276113] [2024-11-12 12:07:25,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:25,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:25,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:26,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:26,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:26,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 242 [2024-11-12 12:07:26,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 453 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2024-11-12 12:07:26,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:26,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 242 [2024-11-12 12:07:26,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:26,251 INFO L124 PetriNetUnfolderBase]: 232/1654 cut-off events. [2024-11-12 12:07:26,251 INFO L125 PetriNetUnfolderBase]: For 278/582 co-relation queries the response was YES. [2024-11-12 12:07:26,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2183 conditions, 1654 events. 232/1654 cut-off events. For 278/582 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10737 event pairs, 52 based on Foata normal form. 19/1466 useless extension candidates. Maximal degree in co-relation 1088. Up to 355 conditions per place. [2024-11-12 12:07:26,257 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 15 selfloop transitions, 1 changer transitions 24/219 dead transitions. [2024-11-12 12:07:26,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 219 transitions, 527 flow [2024-11-12 12:07:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:26,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2024-11-12 12:07:26,260 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8677685950413223 [2024-11-12 12:07:26,260 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 453 flow. Second operand 3 states and 630 transitions. [2024-11-12 12:07:26,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 219 transitions, 527 flow [2024-11-12 12:07:26,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 219 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:26,266 INFO L231 Difference]: Finished difference. Result has 212 places, 191 transitions, 406 flow [2024-11-12 12:07:26,266 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=212, PETRI_TRANSITIONS=191} [2024-11-12 12:07:26,267 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -18 predicate places. [2024-11-12 12:07:26,267 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 191 transitions, 406 flow [2024-11-12 12:07:26,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2024-11-12 12:07:26,268 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:26,268 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:26,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:07:26,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:26,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:26,269 INFO L85 PathProgramCache]: Analyzing trace with hash 178064639, now seen corresponding path program 1 times [2024-11-12 12:07:26,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:26,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949900791] [2024-11-12 12:07:26,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:26,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:26,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:26,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949900791] [2024-11-12 12:07:26,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949900791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:26,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:26,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:26,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14544082] [2024-11-12 12:07:26,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:26,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:26,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:26,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:26,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:26,349 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 242 [2024-11-12 12:07:26,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 191 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2024-11-12 12:07:26,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:26,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 242 [2024-11-12 12:07:26,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:26,504 INFO L124 PetriNetUnfolderBase]: 184/1551 cut-off events. [2024-11-12 12:07:26,505 INFO L125 PetriNetUnfolderBase]: For 180/284 co-relation queries the response was YES. [2024-11-12 12:07:26,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2020 conditions, 1551 events. 184/1551 cut-off events. For 180/284 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 10267 event pairs, 156 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 1839. Up to 362 conditions per place. [2024-11-12 12:07:26,513 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2024-11-12 12:07:26,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 440 flow [2024-11-12 12:07:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2024-11-12 12:07:26,516 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.871900826446281 [2024-11-12 12:07:26,516 INFO L175 Difference]: Start difference. First operand has 212 places, 191 transitions, 406 flow. Second operand 3 states and 633 transitions. [2024-11-12 12:07:26,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 440 flow [2024-11-12 12:07:26,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:26,522 INFO L231 Difference]: Finished difference. Result has 192 places, 188 transitions, 407 flow [2024-11-12 12:07:26,522 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=192, PETRI_TRANSITIONS=188} [2024-11-12 12:07:26,523 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -38 predicate places. [2024-11-12 12:07:26,523 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 188 transitions, 407 flow [2024-11-12 12:07:26,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2024-11-12 12:07:26,524 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:26,524 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:26,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:07:26,525 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:26,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:26,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1611870718, now seen corresponding path program 1 times [2024-11-12 12:07:26,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:26,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143701596] [2024-11-12 12:07:26,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:26,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:26,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:26,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143701596] [2024-11-12 12:07:26,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143701596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:26,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:26,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:26,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071179822] [2024-11-12 12:07:26,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:26,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:26,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:26,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:26,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:26,588 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2024-11-12 12:07:26,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 188 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-12 12:07:26,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:26,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2024-11-12 12:07:26,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:26,748 INFO L124 PetriNetUnfolderBase]: 124/1330 cut-off events. [2024-11-12 12:07:26,748 INFO L125 PetriNetUnfolderBase]: For 180/284 co-relation queries the response was YES. [2024-11-12 12:07:26,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1330 events. 124/1330 cut-off events. For 180/284 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 8395 event pairs, 96 based on Foata normal form. 0/1141 useless extension candidates. Maximal degree in co-relation 840. Up to 250 conditions per place. [2024-11-12 12:07:26,755 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 17 selfloop transitions, 2 changer transitions 3/187 dead transitions. [2024-11-12 12:07:26,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 187 transitions, 445 flow [2024-11-12 12:07:26,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-12 12:07:26,757 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8760330578512396 [2024-11-12 12:07:26,758 INFO L175 Difference]: Start difference. First operand has 192 places, 188 transitions, 407 flow. Second operand 3 states and 636 transitions. [2024-11-12 12:07:26,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 187 transitions, 445 flow [2024-11-12 12:07:26,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 187 transitions, 445 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:07:26,762 INFO L231 Difference]: Finished difference. Result has 193 places, 184 transitions, 403 flow [2024-11-12 12:07:26,763 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=193, PETRI_TRANSITIONS=184} [2024-11-12 12:07:26,763 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -37 predicate places. [2024-11-12 12:07:26,764 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 184 transitions, 403 flow [2024-11-12 12:07:26,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-12 12:07:26,764 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:26,765 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:26,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:07:26,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:26,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:26,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1553405618, now seen corresponding path program 1 times [2024-11-12 12:07:26,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:26,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2806094] [2024-11-12 12:07:26,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:26,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:26,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:26,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2806094] [2024-11-12 12:07:26,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2806094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:26,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:26,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:26,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258886134] [2024-11-12 12:07:26,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:26,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:26,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:26,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:26,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:26,844 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 242 [2024-11-12 12:07:26,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 184 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-12 12:07:26,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:26,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 242 [2024-11-12 12:07:26,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:26,992 INFO L124 PetriNetUnfolderBase]: 60/1177 cut-off events. [2024-11-12 12:07:26,992 INFO L125 PetriNetUnfolderBase]: For 198/374 co-relation queries the response was YES. [2024-11-12 12:07:26,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 1177 events. 60/1177 cut-off events. For 198/374 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6887 event pairs, 28 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 684. Up to 51 conditions per place. [2024-11-12 12:07:27,000 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 21 selfloop transitions, 1 changer transitions 0/193 dead transitions. [2024-11-12 12:07:27,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 483 flow [2024-11-12 12:07:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:27,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2024-11-12 12:07:27,002 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9118457300275482 [2024-11-12 12:07:27,003 INFO L175 Difference]: Start difference. First operand has 193 places, 184 transitions, 403 flow. Second operand 3 states and 662 transitions. [2024-11-12 12:07:27,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 483 flow [2024-11-12 12:07:27,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:07:27,008 INFO L231 Difference]: Finished difference. Result has 189 places, 183 transitions, 399 flow [2024-11-12 12:07:27,008 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=189, PETRI_TRANSITIONS=183} [2024-11-12 12:07:27,010 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -41 predicate places. [2024-11-12 12:07:27,011 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 183 transitions, 399 flow [2024-11-12 12:07:27,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-12 12:07:27,012 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:27,012 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:27,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:07:27,013 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:27,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:27,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1906502909, now seen corresponding path program 1 times [2024-11-12 12:07:27,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:27,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141298116] [2024-11-12 12:07:27,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:27,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:27,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:27,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141298116] [2024-11-12 12:07:27,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141298116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:27,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:27,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:27,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743488639] [2024-11-12 12:07:27,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:27,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:27,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:27,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:27,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:27,089 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2024-11-12 12:07:27,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 183 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-12 12:07:27,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:27,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2024-11-12 12:07:27,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:27,253 INFO L124 PetriNetUnfolderBase]: 120/1268 cut-off events. [2024-11-12 12:07:27,253 INFO L125 PetriNetUnfolderBase]: For 184/304 co-relation queries the response was YES. [2024-11-12 12:07:27,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 1268 events. 120/1268 cut-off events. For 184/304 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7937 event pairs, 92 based on Foata normal form. 0/1083 useless extension candidates. Maximal degree in co-relation 808. Up to 234 conditions per place. [2024-11-12 12:07:27,262 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2024-11-12 12:07:27,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 182 transitions, 437 flow [2024-11-12 12:07:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2024-11-12 12:07:27,265 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8746556473829201 [2024-11-12 12:07:27,265 INFO L175 Difference]: Start difference. First operand has 189 places, 183 transitions, 399 flow. Second operand 3 states and 635 transitions. [2024-11-12 12:07:27,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 182 transitions, 437 flow [2024-11-12 12:07:27,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 182 transitions, 436 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:27,268 INFO L231 Difference]: Finished difference. Result has 189 places, 182 transitions, 400 flow [2024-11-12 12:07:27,269 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=189, PETRI_TRANSITIONS=182} [2024-11-12 12:07:27,270 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -41 predicate places. [2024-11-12 12:07:27,270 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 182 transitions, 400 flow [2024-11-12 12:07:27,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-12 12:07:27,271 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:27,271 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:27,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:07:27,272 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:27,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:27,273 INFO L85 PathProgramCache]: Analyzing trace with hash 903187859, now seen corresponding path program 1 times [2024-11-12 12:07:27,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:27,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786999769] [2024-11-12 12:07:27,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:27,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:27,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:27,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786999769] [2024-11-12 12:07:27,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786999769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:27,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:27,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:07:27,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565284879] [2024-11-12 12:07:27,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:27,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:27,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:27,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:27,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:27,346 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 242 [2024-11-12 12:07:27,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 182 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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) [2024-11-12 12:07:27,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:27,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 242 [2024-11-12 12:07:27,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:27,466 INFO L124 PetriNetUnfolderBase]: 58/1164 cut-off events. [2024-11-12 12:07:27,466 INFO L125 PetriNetUnfolderBase]: For 198/374 co-relation queries the response was YES. [2024-11-12 12:07:27,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 1164 events. 58/1164 cut-off events. For 198/374 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6806 event pairs, 28 based on Foata normal form. 2/1023 useless extension candidates. Maximal degree in co-relation 695. Up to 110 conditions per place. [2024-11-12 12:07:27,474 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 16 selfloop transitions, 0 changer transitions 1/181 dead transitions. [2024-11-12 12:07:27,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 181 transitions, 429 flow [2024-11-12 12:07:27,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-12 12:07:27,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8760330578512396 [2024-11-12 12:07:27,476 INFO L175 Difference]: Start difference. First operand has 189 places, 182 transitions, 400 flow. Second operand 3 states and 636 transitions. [2024-11-12 12:07:27,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 181 transitions, 429 flow [2024-11-12 12:07:27,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 181 transitions, 421 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-12 12:07:27,480 INFO L231 Difference]: Finished difference. Result has 188 places, 180 transitions, 387 flow [2024-11-12 12:07:27,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=188, PETRI_TRANSITIONS=180} [2024-11-12 12:07:27,481 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -42 predicate places. [2024-11-12 12:07:27,481 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 180 transitions, 387 flow [2024-11-12 12:07:27,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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) [2024-11-12 12:07:27,482 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:27,483 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:27,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:07:27,483 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:27,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:27,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1668968920, now seen corresponding path program 1 times [2024-11-12 12:07:27,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:27,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552606004] [2024-11-12 12:07:27,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:27,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:27,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552606004] [2024-11-12 12:07:27,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552606004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:27,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:27,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:07:27,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468532022] [2024-11-12 12:07:27,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:27,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:07:27,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:27,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:07:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:07:28,162 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 242 [2024-11-12 12:07:28,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 180 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 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) [2024-11-12 12:07:28,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:28,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 242 [2024-11-12 12:07:28,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:28,524 INFO L124 PetriNetUnfolderBase]: 650/3452 cut-off events. [2024-11-12 12:07:28,525 INFO L125 PetriNetUnfolderBase]: For 98/100 co-relation queries the response was YES. [2024-11-12 12:07:28,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4986 conditions, 3452 events. 650/3452 cut-off events. For 98/100 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 28961 event pairs, 296 based on Foata normal form. 0/3061 useless extension candidates. Maximal degree in co-relation 4980. Up to 1255 conditions per place. [2024-11-12 12:07:28,544 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 44 selfloop transitions, 5 changer transitions 4/187 dead transitions. [2024-11-12 12:07:28,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 187 transitions, 501 flow [2024-11-12 12:07:28,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:07:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:07:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1137 transitions. [2024-11-12 12:07:28,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7830578512396694 [2024-11-12 12:07:28,548 INFO L175 Difference]: Start difference. First operand has 188 places, 180 transitions, 387 flow. Second operand 6 states and 1137 transitions. [2024-11-12 12:07:28,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 187 transitions, 501 flow [2024-11-12 12:07:28,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 499 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:28,553 INFO L231 Difference]: Finished difference. Result has 190 places, 175 transitions, 385 flow [2024-11-12 12:07:28,554 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=190, PETRI_TRANSITIONS=175} [2024-11-12 12:07:28,555 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -40 predicate places. [2024-11-12 12:07:28,556 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 175 transitions, 385 flow [2024-11-12 12:07:28,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 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) [2024-11-12 12:07:28,557 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:28,557 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:28,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:07:28,557 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:28,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:28,558 INFO L85 PathProgramCache]: Analyzing trace with hash 99985581, now seen corresponding path program 1 times [2024-11-12 12:07:28,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:28,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829014308] [2024-11-12 12:07:28,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:28,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:28,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:28,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829014308] [2024-11-12 12:07:28,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829014308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:28,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:28,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 12:07:28,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548676562] [2024-11-12 12:07:28,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:28,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 12:07:28,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:28,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 12:07:28,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 12:07:28,791 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 242 [2024-11-12 12:07:28,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 175 transitions, 385 flow. Second operand has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 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) [2024-11-12 12:07:28,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:28,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 242 [2024-11-12 12:07:28,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:28,969 INFO L124 PetriNetUnfolderBase]: 159/1449 cut-off events. [2024-11-12 12:07:28,969 INFO L125 PetriNetUnfolderBase]: For 138/240 co-relation queries the response was YES. [2024-11-12 12:07:28,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 1449 events. 159/1449 cut-off events. For 138/240 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 9737 event pairs, 120 based on Foata normal form. 11/1288 useless extension candidates. Maximal degree in co-relation 1900. Up to 209 conditions per place. [2024-11-12 12:07:28,977 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 42 selfloop transitions, 10 changer transitions 0/203 dead transitions. [2024-11-12 12:07:28,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 203 transitions, 569 flow [2024-11-12 12:07:28,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 12:07:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 12:07:28,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 858 transitions. [2024-11-12 12:07:28,980 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8863636363636364 [2024-11-12 12:07:28,980 INFO L175 Difference]: Start difference. First operand has 190 places, 175 transitions, 385 flow. Second operand 4 states and 858 transitions. [2024-11-12 12:07:28,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 203 transitions, 569 flow [2024-11-12 12:07:28,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 203 transitions, 559 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:07:28,985 INFO L231 Difference]: Finished difference. Result has 186 places, 183 transitions, 449 flow [2024-11-12 12:07:28,985 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=449, PETRI_PLACES=186, PETRI_TRANSITIONS=183} [2024-11-12 12:07:28,986 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -44 predicate places. [2024-11-12 12:07:28,986 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 183 transitions, 449 flow [2024-11-12 12:07:28,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 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) [2024-11-12 12:07:28,987 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:28,987 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:28,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:07:28,987 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-12 12:07:28,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:28,988 INFO L85 PathProgramCache]: Analyzing trace with hash 333386763, now seen corresponding path program 1 times [2024-11-12 12:07:28,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:28,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111497424] [2024-11-12 12:07:28,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:28,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:07:29,014 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 12:07:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:07:29,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 12:07:29,057 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 12:07:29,058 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2024-11-12 12:07:29,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-12 12:07:29,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-12 12:07:29,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-12 12:07:29,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-12 12:07:29,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-12 12:07:29,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-12 12:07:29,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-12 12:07:29,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-12 12:07:29,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-12 12:07:29,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-12 12:07:29,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-12 12:07:29,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-12 12:07:29,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-12 12:07:29,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-12 12:07:29,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-12 12:07:29,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-12 12:07:29,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-11-12 12:07:29,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2024-11-12 12:07:29,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-11-12 12:07:29,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-11-12 12:07:29,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-12 12:07:29,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-12 12:07:29,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-12 12:07:29,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-12 12:07:29,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-12 12:07:29,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-12 12:07:29,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 33 remaining) [2024-11-12 12:07:29,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-12 12:07:29,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-12 12:07:29,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-12 12:07:29,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-12 12:07:29,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-12 12:07:29,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:07:29,071 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:29,073 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-12 12:07:29,075 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-12 12:07:29,102 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-12 12:07:29,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 271 transitions, 586 flow [2024-11-12 12:07:29,255 INFO L124 PetriNetUnfolderBase]: 149/1607 cut-off events. [2024-11-12 12:07:29,255 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-12 12:07:29,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 1607 events. 149/1607 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 9254 event pairs, 1 based on Foata normal form. 0/1314 useless extension candidates. Maximal degree in co-relation 931. Up to 32 conditions per place. [2024-11-12 12:07:29,264 INFO L82 GeneralOperation]: Start removeDead. Operand has 258 places, 271 transitions, 586 flow [2024-11-12 12:07:29,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 258 places, 271 transitions, 586 flow [2024-11-12 12:07:29,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:07:29,276 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;@412e1234, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:07:29,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-11-12 12:07:29,278 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:07:29,278 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-12 12:07:29,278 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:07:29,278 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:29,278 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:29,279 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:29,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:29,282 INFO L85 PathProgramCache]: Analyzing trace with hash -238539743, now seen corresponding path program 1 times [2024-11-12 12:07:29,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:29,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198504581] [2024-11-12 12:07:29,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:29,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:29,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:29,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198504581] [2024-11-12 12:07:29,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198504581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:29,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:29,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:29,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545765052] [2024-11-12 12:07:29,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:29,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:29,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:29,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:29,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:29,325 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 271 [2024-11-12 12:07:29,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 271 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-12 12:07:29,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:29,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 271 [2024-11-12 12:07:29,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:30,617 INFO L124 PetriNetUnfolderBase]: 2218/9953 cut-off events. [2024-11-12 12:07:30,618 INFO L125 PetriNetUnfolderBase]: For 2566/5635 co-relation queries the response was YES. [2024-11-12 12:07:30,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13940 conditions, 9953 events. 2218/9953 cut-off events. For 2566/5635 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 103749 event pairs, 1905 based on Foata normal form. 879/9106 useless extension candidates. Maximal degree in co-relation 9049. Up to 3249 conditions per place. [2024-11-12 12:07:30,714 INFO L140 encePairwiseOnDemand]: 246/271 looper letters, 28 selfloop transitions, 1 changer transitions 4/245 dead transitions. [2024-11-12 12:07:30,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 245 transitions, 592 flow [2024-11-12 12:07:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-12 12:07:30,716 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8622386223862238 [2024-11-12 12:07:30,716 INFO L175 Difference]: Start difference. First operand has 258 places, 271 transitions, 586 flow. Second operand 3 states and 701 transitions. [2024-11-12 12:07:30,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 245 transitions, 592 flow [2024-11-12 12:07:30,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 245 transitions, 592 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:07:30,722 INFO L231 Difference]: Finished difference. Result has 246 places, 241 transitions, 528 flow [2024-11-12 12:07:30,723 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=246, PETRI_TRANSITIONS=241} [2024-11-12 12:07:30,723 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -12 predicate places. [2024-11-12 12:07:30,723 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 241 transitions, 528 flow [2024-11-12 12:07:30,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-12 12:07:30,724 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:30,724 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:30,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 12:07:30,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:30,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:30,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1195178760, now seen corresponding path program 1 times [2024-11-12 12:07:30,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:30,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691882932] [2024-11-12 12:07:30,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:30,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:30,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:30,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691882932] [2024-11-12 12:07:30,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691882932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:30,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:30,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:30,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340047705] [2024-11-12 12:07:30,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:30,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:30,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:30,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:30,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:30,764 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-12 12:07:30,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 241 transitions, 528 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2024-11-12 12:07:30,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:30,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-12 12:07:30,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:33,063 INFO L124 PetriNetUnfolderBase]: 2492/17389 cut-off events. [2024-11-12 12:07:33,063 INFO L125 PetriNetUnfolderBase]: For 5208/27084 co-relation queries the response was YES. [2024-11-12 12:07:33,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22356 conditions, 17389 events. 2492/17389 cut-off events. For 5208/27084 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 216356 event pairs, 1706 based on Foata normal form. 0/14144 useless extension candidates. Maximal degree in co-relation 11147. Up to 1670 conditions per place. [2024-11-12 12:07:33,367 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 41 selfloop transitions, 1 changer transitions 0/260 dead transitions. [2024-11-12 12:07:33,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 260 transitions, 690 flow [2024-11-12 12:07:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2024-11-12 12:07:33,369 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8868388683886839 [2024-11-12 12:07:33,370 INFO L175 Difference]: Start difference. First operand has 246 places, 241 transitions, 528 flow. Second operand 3 states and 721 transitions. [2024-11-12 12:07:33,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 260 transitions, 690 flow [2024-11-12 12:07:33,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 260 transitions, 689 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:33,375 INFO L231 Difference]: Finished difference. Result has 242 places, 240 transitions, 527 flow [2024-11-12 12:07:33,375 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=242, PETRI_TRANSITIONS=240} [2024-11-12 12:07:33,376 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -16 predicate places. [2024-11-12 12:07:33,376 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 240 transitions, 527 flow [2024-11-12 12:07:33,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2024-11-12 12:07:33,377 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:33,377 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:33,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 12:07:33,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:33,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:33,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1604291564, now seen corresponding path program 1 times [2024-11-12 12:07:33,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:33,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418270381] [2024-11-12 12:07:33,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:33,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:33,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:33,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:33,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418270381] [2024-11-12 12:07:33,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418270381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:33,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:33,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:33,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219017420] [2024-11-12 12:07:33,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:33,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:33,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:33,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:33,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:33,427 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 271 [2024-11-12 12:07:33,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 240 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 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) [2024-11-12 12:07:33,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:33,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 271 [2024-11-12 12:07:33,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:37,929 INFO L124 PetriNetUnfolderBase]: 14770/40622 cut-off events. [2024-11-12 12:07:37,929 INFO L125 PetriNetUnfolderBase]: For 9854/48010 co-relation queries the response was YES. [2024-11-12 12:07:38,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64561 conditions, 40622 events. 14770/40622 cut-off events. For 9854/48010 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 463266 event pairs, 4272 based on Foata normal form. 121/35648 useless extension candidates. Maximal degree in co-relation 32276. Up to 17809 conditions per place. [2024-11-12 12:07:38,193 INFO L140 encePairwiseOnDemand]: 257/271 looper letters, 41 selfloop transitions, 2 changer transitions 18/255 dead transitions. [2024-11-12 12:07:38,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 255 transitions, 696 flow [2024-11-12 12:07:38,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-12 12:07:38,196 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8437884378843789 [2024-11-12 12:07:38,196 INFO L175 Difference]: Start difference. First operand has 242 places, 240 transitions, 527 flow. Second operand 3 states and 686 transitions. [2024-11-12 12:07:38,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 255 transitions, 696 flow [2024-11-12 12:07:38,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 255 transitions, 695 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:38,205 INFO L231 Difference]: Finished difference. Result has 237 places, 220 transitions, 496 flow [2024-11-12 12:07:38,206 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=237, PETRI_TRANSITIONS=220} [2024-11-12 12:07:38,206 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -21 predicate places. [2024-11-12 12:07:38,206 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 220 transitions, 496 flow [2024-11-12 12:07:38,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 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) [2024-11-12 12:07:38,207 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:38,207 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:38,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 12:07:38,208 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:38,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:38,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1022939263, now seen corresponding path program 1 times [2024-11-12 12:07:38,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:38,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683427181] [2024-11-12 12:07:38,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:38,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:38,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:38,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683427181] [2024-11-12 12:07:38,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683427181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:38,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:38,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:38,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505469228] [2024-11-12 12:07:38,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:38,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:38,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:38,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:38,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:38,247 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 271 [2024-11-12 12:07:38,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 220 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-12 12:07:38,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:38,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 271 [2024-11-12 12:07:38,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:40,577 INFO L124 PetriNetUnfolderBase]: 6096/21809 cut-off events. [2024-11-12 12:07:40,578 INFO L125 PetriNetUnfolderBase]: For 4842/11382 co-relation queries the response was YES. [2024-11-12 12:07:40,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33778 conditions, 21809 events. 6096/21809 cut-off events. For 4842/11382 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 243841 event pairs, 5210 based on Foata normal form. 0/19055 useless extension candidates. Maximal degree in co-relation 28671. Up to 8524 conditions per place. [2024-11-12 12:07:40,732 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 28 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-11-12 12:07:40,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 217 transitions, 550 flow [2024-11-12 12:07:40,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2024-11-12 12:07:40,735 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8388683886838868 [2024-11-12 12:07:40,735 INFO L175 Difference]: Start difference. First operand has 237 places, 220 transitions, 496 flow. Second operand 3 states and 682 transitions. [2024-11-12 12:07:40,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 217 transitions, 550 flow [2024-11-12 12:07:40,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 550 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:07:40,744 INFO L231 Difference]: Finished difference. Result has 221 places, 217 transitions, 498 flow [2024-11-12 12:07:40,744 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=221, PETRI_TRANSITIONS=217} [2024-11-12 12:07:40,746 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -37 predicate places. [2024-11-12 12:07:40,746 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 217 transitions, 498 flow [2024-11-12 12:07:40,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-12 12:07:40,747 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:40,747 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:40,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 12:07:40,747 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:40,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:40,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1787574046, now seen corresponding path program 1 times [2024-11-12 12:07:40,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:40,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410671348] [2024-11-12 12:07:40,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:40,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:40,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:40,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410671348] [2024-11-12 12:07:40,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410671348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:40,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:40,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:40,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961016948] [2024-11-12 12:07:40,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:40,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:40,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:40,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:40,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:40,797 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2024-11-12 12:07:40,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 217 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2024-11-12 12:07:40,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:40,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2024-11-12 12:07:40,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:42,874 INFO L124 PetriNetUnfolderBase]: 4656/18252 cut-off events. [2024-11-12 12:07:42,874 INFO L125 PetriNetUnfolderBase]: For 4846/12994 co-relation queries the response was YES. [2024-11-12 12:07:42,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27758 conditions, 18252 events. 4656/18252 cut-off events. For 4846/12994 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 205825 event pairs, 3782 based on Foata normal form. 0/15259 useless extension candidates. Maximal degree in co-relation 24022. Up to 6578 conditions per place. [2024-11-12 12:07:43,002 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 28 selfloop transitions, 2 changer transitions 2/216 dead transitions. [2024-11-12 12:07:43,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 216 transitions, 556 flow [2024-11-12 12:07:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2024-11-12 12:07:43,004 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2024-11-12 12:07:43,004 INFO L175 Difference]: Start difference. First operand has 221 places, 217 transitions, 498 flow. Second operand 3 states and 685 transitions. [2024-11-12 12:07:43,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 216 transitions, 556 flow [2024-11-12 12:07:43,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 216 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:07:43,013 INFO L231 Difference]: Finished difference. Result has 222 places, 214 transitions, 496 flow [2024-11-12 12:07:43,014 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=222, PETRI_TRANSITIONS=214} [2024-11-12 12:07:43,014 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -36 predicate places. [2024-11-12 12:07:43,015 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 214 transitions, 496 flow [2024-11-12 12:07:43,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2024-11-12 12:07:43,016 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:43,016 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:43,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 12:07:43,016 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:43,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:43,017 INFO L85 PathProgramCache]: Analyzing trace with hash 627458894, now seen corresponding path program 1 times [2024-11-12 12:07:43,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:43,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685145499] [2024-11-12 12:07:43,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:43,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:43,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:43,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685145499] [2024-11-12 12:07:43,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685145499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:43,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:43,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:43,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849702841] [2024-11-12 12:07:43,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:43,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:43,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:43,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:43,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:43,061 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-12 12:07:43,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 214 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2024-11-12 12:07:43,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:43,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-12 12:07:43,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:44,831 INFO L124 PetriNetUnfolderBase]: 2546/15313 cut-off events. [2024-11-12 12:07:44,831 INFO L125 PetriNetUnfolderBase]: For 5208/27084 co-relation queries the response was YES. [2024-11-12 12:07:44,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20987 conditions, 15313 events. 2546/15313 cut-off events. For 5208/27084 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 181829 event pairs, 1706 based on Foata normal form. 0/12925 useless extension candidates. Maximal degree in co-relation 19194. Up to 1670 conditions per place. [2024-11-12 12:07:44,958 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 41 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2024-11-12 12:07:44,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 233 transitions, 658 flow [2024-11-12 12:07:44,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2024-11-12 12:07:44,961 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8868388683886839 [2024-11-12 12:07:44,961 INFO L175 Difference]: Start difference. First operand has 222 places, 214 transitions, 496 flow. Second operand 3 states and 721 transitions. [2024-11-12 12:07:44,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 233 transitions, 658 flow [2024-11-12 12:07:44,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 233 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:07:44,967 INFO L231 Difference]: Finished difference. Result has 219 places, 213 transitions, 492 flow [2024-11-12 12:07:44,968 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=219, PETRI_TRANSITIONS=213} [2024-11-12 12:07:44,968 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -39 predicate places. [2024-11-12 12:07:44,968 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 213 transitions, 492 flow [2024-11-12 12:07:44,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2024-11-12 12:07:44,969 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:44,969 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:44,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 12:07:44,970 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:44,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1228595402, now seen corresponding path program 1 times [2024-11-12 12:07:44,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:44,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296247768] [2024-11-12 12:07:44,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:44,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:44,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296247768] [2024-11-12 12:07:44,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296247768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:44,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:44,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:07:44,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135035147] [2024-11-12 12:07:44,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:44,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:45,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:45,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:45,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:45,031 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2024-11-12 12:07:45,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 213 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2024-11-12 12:07:45,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:45,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2024-11-12 12:07:45,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:47,201 INFO L124 PetriNetUnfolderBase]: 5342/19618 cut-off events. [2024-11-12 12:07:47,202 INFO L125 PetriNetUnfolderBase]: For 4850/13050 co-relation queries the response was YES. [2024-11-12 12:07:47,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30270 conditions, 19618 events. 5342/19618 cut-off events. For 4850/13050 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 222454 event pairs, 4482 based on Foata normal form. 0/16493 useless extension candidates. Maximal degree in co-relation 25847. Up to 7458 conditions per place. [2024-11-12 12:07:47,306 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 29 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-12 12:07:47,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 212 transitions, 552 flow [2024-11-12 12:07:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2024-11-12 12:07:47,308 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2024-11-12 12:07:47,308 INFO L175 Difference]: Start difference. First operand has 219 places, 213 transitions, 492 flow. Second operand 3 states and 685 transitions. [2024-11-12 12:07:47,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 212 transitions, 552 flow [2024-11-12 12:07:47,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 212 transitions, 551 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:47,314 INFO L231 Difference]: Finished difference. Result has 219 places, 212 transitions, 493 flow [2024-11-12 12:07:47,314 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=219, PETRI_TRANSITIONS=212} [2024-11-12 12:07:47,315 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -39 predicate places. [2024-11-12 12:07:47,315 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 212 transitions, 493 flow [2024-11-12 12:07:47,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2024-11-12 12:07:47,315 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:47,315 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:47,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 12:07:47,316 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:47,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2128781184, now seen corresponding path program 1 times [2024-11-12 12:07:47,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:47,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722096238] [2024-11-12 12:07:47,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:47,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:47,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:47,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:47,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722096238] [2024-11-12 12:07:47,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722096238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:47,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:47,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:07:47,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54980843] [2024-11-12 12:07:47,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:47,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:07:47,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:47,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:07:47,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:07:47,371 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 271 [2024-11-12 12:07:47,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 212 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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) [2024-11-12 12:07:47,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:47,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 271 [2024-11-12 12:07:47,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:49,716 INFO L124 PetriNetUnfolderBase]: 3752/18416 cut-off events. [2024-11-12 12:07:49,716 INFO L125 PetriNetUnfolderBase]: For 5208/27084 co-relation queries the response was YES. [2024-11-12 12:07:49,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26174 conditions, 18416 events. 3752/18416 cut-off events. For 5208/27084 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 218331 event pairs, 2730 based on Foata normal form. 2/15381 useless extension candidates. Maximal degree in co-relation 23379. Up to 5036 conditions per place. [2024-11-12 12:07:49,814 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 27 selfloop transitions, 0 changer transitions 1/211 dead transitions. [2024-11-12 12:07:49,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 211 transitions, 544 flow [2024-11-12 12:07:49,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:07:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:07:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-12 12:07:49,816 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8437884378843789 [2024-11-12 12:07:49,816 INFO L175 Difference]: Start difference. First operand has 219 places, 212 transitions, 493 flow. Second operand 3 states and 686 transitions. [2024-11-12 12:07:49,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 211 transitions, 544 flow [2024-11-12 12:07:49,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 211 transitions, 536 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-12 12:07:49,823 INFO L231 Difference]: Finished difference. Result has 218 places, 210 transitions, 480 flow [2024-11-12 12:07:49,824 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=218, PETRI_TRANSITIONS=210} [2024-11-12 12:07:49,824 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -40 predicate places. [2024-11-12 12:07:49,825 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 210 transitions, 480 flow [2024-11-12 12:07:49,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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) [2024-11-12 12:07:49,825 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:49,825 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:49,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 12:07:49,826 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:49,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:49,826 INFO L85 PathProgramCache]: Analyzing trace with hash 398740360, now seen corresponding path program 1 times [2024-11-12 12:07:49,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:49,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68827357] [2024-11-12 12:07:49,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:49,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:50,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:50,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:50,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68827357] [2024-11-12 12:07:50,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68827357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:50,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:50,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:07:50,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215203505] [2024-11-12 12:07:50,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:50,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:07:50,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:50,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:07:50,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:07:50,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 271 [2024-11-12 12:07:50,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 210 transitions, 480 flow. Second operand has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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) [2024-11-12 12:07:50,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:50,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 271 [2024-11-12 12:07:50,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:07:57,422 INFO L124 PetriNetUnfolderBase]: 20988/66280 cut-off events. [2024-11-12 12:07:57,423 INFO L125 PetriNetUnfolderBase]: For 3106/3170 co-relation queries the response was YES. [2024-11-12 12:07:57,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105023 conditions, 66280 events. 20988/66280 cut-off events. For 3106/3170 co-relation queries the response was YES. Maximal size of possible extension queue 1408. Compared 834730 event pairs, 9754 based on Foata normal form. 0/59947 useless extension candidates. Maximal degree in co-relation 105014. Up to 29941 conditions per place. [2024-11-12 12:07:57,856 INFO L140 encePairwiseOnDemand]: 264/271 looper letters, 64 selfloop transitions, 5 changer transitions 3/225 dead transitions. [2024-11-12 12:07:57,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 225 transitions, 650 flow [2024-11-12 12:07:57,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:07:57,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:07:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1235 transitions. [2024-11-12 12:07:57,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7595325953259533 [2024-11-12 12:07:57,859 INFO L175 Difference]: Start difference. First operand has 218 places, 210 transitions, 480 flow. Second operand 6 states and 1235 transitions. [2024-11-12 12:07:57,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 225 transitions, 650 flow [2024-11-12 12:07:57,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 225 transitions, 648 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-12 12:07:57,868 INFO L231 Difference]: Finished difference. Result has 220 places, 206 transitions, 480 flow [2024-11-12 12:07:57,868 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=480, PETRI_PLACES=220, PETRI_TRANSITIONS=206} [2024-11-12 12:07:57,869 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -38 predicate places. [2024-11-12 12:07:57,869 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 206 transitions, 480 flow [2024-11-12 12:07:57,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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) [2024-11-12 12:07:57,870 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:07:57,870 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:07:57,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 12:07:57,870 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:07:57,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:07:57,871 INFO L85 PathProgramCache]: Analyzing trace with hash 525668685, now seen corresponding path program 1 times [2024-11-12 12:07:57,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:07:57,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916088666] [2024-11-12 12:07:57,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:07:57,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:07:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:07:57,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:07:57,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:07:57,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916088666] [2024-11-12 12:07:57,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916088666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:07:57,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:07:57,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 12:07:57,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826374529] [2024-11-12 12:07:57,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:07:57,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 12:07:57,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:07:57,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 12:07:57,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 12:07:58,066 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 271 [2024-11-12 12:07:58,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 206 transitions, 480 flow. Second operand has 4 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 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) [2024-11-12 12:07:58,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:07:58,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 271 [2024-11-12 12:07:58,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:08:01,197 INFO L124 PetriNetUnfolderBase]: 7222/26805 cut-off events. [2024-11-12 12:08:01,197 INFO L125 PetriNetUnfolderBase]: For 4071/8897 co-relation queries the response was YES. [2024-11-12 12:08:01,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40888 conditions, 26805 events. 7222/26805 cut-off events. For 4071/8897 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 315689 event pairs, 5043 based on Foata normal form. 137/23507 useless extension candidates. Maximal degree in co-relation 40879. Up to 5892 conditions per place. [2024-11-12 12:08:01,381 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 77 selfloop transitions, 11 changer transitions 0/259 dead transitions. [2024-11-12 12:08:01,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 259 transitions, 826 flow [2024-11-12 12:08:01,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 12:08:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 12:08:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 946 transitions. [2024-11-12 12:08:01,384 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8726937269372693 [2024-11-12 12:08:01,384 INFO L175 Difference]: Start difference. First operand has 220 places, 206 transitions, 480 flow. Second operand 4 states and 946 transitions. [2024-11-12 12:08:01,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 259 transitions, 826 flow [2024-11-12 12:08:01,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 259 transitions, 816 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:08:01,397 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 552 flow [2024-11-12 12:08:01,397 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=552, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2024-11-12 12:08:01,398 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -41 predicate places. [2024-11-12 12:08:01,398 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 552 flow [2024-11-12 12:08:01,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 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) [2024-11-12 12:08:01,399 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:08:01,399 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:08:01,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 12:08:01,399 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:08:01,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:08:01,400 INFO L85 PathProgramCache]: Analyzing trace with hash -129687532, now seen corresponding path program 1 times [2024-11-12 12:08:01,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:08:01,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562602834] [2024-11-12 12:08:01,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:08:01,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:08:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:08:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:08:01,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:08:01,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562602834] [2024-11-12 12:08:01,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562602834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:08:01,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:08:01,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 12:08:01,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533842270] [2024-11-12 12:08:01,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:08:01,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:08:01,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:08:01,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:08:01,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:08:01,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 271 [2024-11-12 12:08:01,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 213.66666666666666) internal successors, (1282), 6 states have internal predecessors, (1282), 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) [2024-11-12 12:08:01,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:08:01,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 271 [2024-11-12 12:08:01,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:08:05,059 INFO L124 PetriNetUnfolderBase]: 7028/27245 cut-off events. [2024-11-12 12:08:05,059 INFO L125 PetriNetUnfolderBase]: For 7561/10454 co-relation queries the response was YES. [2024-11-12 12:08:05,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44175 conditions, 27245 events. 7028/27245 cut-off events. For 7561/10454 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 324038 event pairs, 4588 based on Foata normal form. 3/23823 useless extension candidates. Maximal degree in co-relation 44164. Up to 5944 conditions per place. [2024-11-12 12:08:05,229 INFO L140 encePairwiseOnDemand]: 257/271 looper letters, 88 selfloop transitions, 14 changer transitions 0/271 dead transitions. [2024-11-12 12:08:05,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 271 transitions, 948 flow [2024-11-12 12:08:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 12:08:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-12 12:08:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1587 transitions. [2024-11-12 12:08:05,233 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8365840801265155 [2024-11-12 12:08:05,233 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 552 flow. Second operand 7 states and 1587 transitions. [2024-11-12 12:08:05,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 271 transitions, 948 flow [2024-11-12 12:08:05,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 271 transitions, 946 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:08:05,244 INFO L231 Difference]: Finished difference. Result has 225 places, 218 transitions, 607 flow [2024-11-12 12:08:05,245 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=607, PETRI_PLACES=225, PETRI_TRANSITIONS=218} [2024-11-12 12:08:05,245 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -33 predicate places. [2024-11-12 12:08:05,245 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 218 transitions, 607 flow [2024-11-12 12:08:05,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 213.66666666666666) internal successors, (1282), 6 states have internal predecessors, (1282), 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) [2024-11-12 12:08:05,246 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:08:05,246 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:08:05,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 12:08:05,247 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:08:05,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:08:05,247 INFO L85 PathProgramCache]: Analyzing trace with hash -237320425, now seen corresponding path program 1 times [2024-11-12 12:08:05,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:08:05,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969038715] [2024-11-12 12:08:05,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:08:05,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:08:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:08:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:08:05,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:08:05,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969038715] [2024-11-12 12:08:05,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969038715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:08:05,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:08:05,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:08:05,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778038931] [2024-11-12 12:08:05,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:08:05,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:08:05,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:08:05,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:08:05,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:08:05,812 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 271 [2024-11-12 12:08:05,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 218 transitions, 607 flow. Second operand has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 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) [2024-11-12 12:08:05,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:08:05,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 271 [2024-11-12 12:08:05,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand