./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:43:29,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:43:29,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:43:29,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:43:29,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:43:29,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:43:29,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:43:29,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:43:29,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:43:29,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:43:29,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:43:29,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:43:29,618 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:43:29,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:43:29,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:43:29,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:43:29,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:43:29,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:43:29,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:43:29,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:43:29,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:43:29,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:43:29,623 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:43:29,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:43:29,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:43:29,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:43:29,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:43:29,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:43:29,624 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:43:29,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:43:29,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:43:29,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:29,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:43:29,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:43:29,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:43:29,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:43:29,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:43:29,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:43:29,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:43:29,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:43:29,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:43:29,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 [2024-11-16 23:43:29,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:43:29,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:43:29,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:43:29,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:43:29,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:43:29,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2024-11-16 23:43:31,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:43:31,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:43:31,702 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2024-11-16 23:43:31,714 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5474766d/4d3c04d5c7d14449b8a4b54cc9e607cc/FLAG685f5c7e1 [2024-11-16 23:43:31,727 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5474766d/4d3c04d5c7d14449b8a4b54cc9e607cc [2024-11-16 23:43:31,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:43:31,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:43:31,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:31,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:43:31,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:43:31,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:31" (1/1) ... [2024-11-16 23:43:31,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63941eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:31, skipping insertion in model container [2024-11-16 23:43:31,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:31" (1/1) ... [2024-11-16 23:43:31,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:43:32,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:32,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:43:32,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:32,160 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:43:32,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32 WrapperNode [2024-11-16 23:43:32,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:32,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:32,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:43:32,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:43:32,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,292 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1319 [2024-11-16 23:43:32,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:32,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:43:32,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:43:32,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:43:32,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,344 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:43:32,369 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:43:32,369 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:43:32,369 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:43:32,370 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (1/1) ... [2024-11-16 23:43:32,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:32,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:32,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:43:32,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:43:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:43:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:43:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:43:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:43:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:43:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:43:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:43:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:43:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:43:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:43:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:43:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:43:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:43:32,476 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:43:32,663 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:43:32,665 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:43:34,171 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:43:34,171 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:43:34,224 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:43:34,225 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:43:34,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:34 BoogieIcfgContainer [2024-11-16 23:43:34,225 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:43:34,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:43:34,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:43:34,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:43:34,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:31" (1/3) ... [2024-11-16 23:43:34,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c72601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:34, skipping insertion in model container [2024-11-16 23:43:34,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:32" (2/3) ... [2024-11-16 23:43:34,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c72601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:34, skipping insertion in model container [2024-11-16 23:43:34,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:34" (3/3) ... [2024-11-16 23:43:34,233 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2024-11-16 23:43:34,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:43:34,250 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 227 error locations. [2024-11-16 23:43:34,250 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:43:34,540 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:43:34,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1682 places, 1783 transitions, 3587 flow [2024-11-16 23:43:35,920 INFO L124 PetriNetUnfolderBase]: 111/1780 cut-off events. [2024-11-16 23:43:35,922 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:43:36,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1793 conditions, 1780 events. 111/1780 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7730 event pairs, 0 based on Foata normal form. 0/1442 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2024-11-16 23:43:36,023 INFO L82 GeneralOperation]: Start removeDead. Operand has 1682 places, 1783 transitions, 3587 flow [2024-11-16 23:43:36,093 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1659 places, 1757 transitions, 3532 flow [2024-11-16 23:43:36,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:43:36,113 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;@7e7fc7cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:43:36,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 428 error locations. [2024-11-16 23:43:36,164 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:43:36,164 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-11-16 23:43:36,164 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:43:36,164 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:36,167 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:36,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:36,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:36,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1637993147, now seen corresponding path program 1 times [2024-11-16 23:43:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:36,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827344573] [2024-11-16 23:43:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:36,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:36,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:36,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827344573] [2024-11-16 23:43:36,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827344573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:36,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:36,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:36,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386842896] [2024-11-16 23:43:36,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:36,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:36,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:36,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:36,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:36,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-16 23:43:36,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1659 places, 1757 transitions, 3532 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:36,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:36,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-16 23:43:36,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:38,505 INFO L124 PetriNetUnfolderBase]: 171/3531 cut-off events. [2024-11-16 23:43:38,505 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-11-16 23:43:38,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3580 conditions, 3531 events. 171/3531 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 21631 event pairs, 7 based on Foata normal form. 113/2924 useless extension candidates. Maximal degree in co-relation 3191. Up to 25 conditions per place. [2024-11-16 23:43:38,674 INFO L140 encePairwiseOnDemand]: 1744/1783 looper letters, 11 selfloop transitions, 2 changer transitions 6/1720 dead transitions. [2024-11-16 23:43:38,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1660 places, 1720 transitions, 3484 flow [2024-11-16 23:43:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5240 transitions. [2024-11-16 23:43:38,803 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9796223593194989 [2024-11-16 23:43:38,806 INFO L175 Difference]: Start difference. First operand has 1659 places, 1757 transitions, 3532 flow. Second operand 3 states and 5240 transitions. [2024-11-16 23:43:38,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1660 places, 1720 transitions, 3484 flow [2024-11-16 23:43:38,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1654 places, 1720 transitions, 3472 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:43:38,857 INFO L231 Difference]: Finished difference. Result has 1654 places, 1714 transitions, 3438 flow [2024-11-16 23:43:38,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3446, PETRI_DIFFERENCE_MINUEND_PLACES=1652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1720, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3438, PETRI_PLACES=1654, PETRI_TRANSITIONS=1714} [2024-11-16 23:43:38,869 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -5 predicate places. [2024-11-16 23:43:38,870 INFO L471 AbstractCegarLoop]: Abstraction has has 1654 places, 1714 transitions, 3438 flow [2024-11-16 23:43:38,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:38,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:38,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:38,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:43:38,875 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:38,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:38,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1873747439, now seen corresponding path program 1 times [2024-11-16 23:43:38,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:38,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263741678] [2024-11-16 23:43:38,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:38,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:38,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:38,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263741678] [2024-11-16 23:43:38,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263741678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:38,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:38,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:38,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175465316] [2024-11-16 23:43:38,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:38,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:38,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:38,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:38,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:39,017 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-16 23:43:39,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1654 places, 1714 transitions, 3438 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:39,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:39,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-16 23:43:39,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:40,681 INFO L124 PetriNetUnfolderBase]: 171/3524 cut-off events. [2024-11-16 23:43:40,681 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-16 23:43:40,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3562 conditions, 3524 events. 171/3524 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 22738 event pairs, 7 based on Foata normal form. 0/2812 useless extension candidates. Maximal degree in co-relation 3516. Up to 25 conditions per place. [2024-11-16 23:43:40,843 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1713 dead transitions. [2024-11-16 23:43:40,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1649 places, 1713 transitions, 3462 flow [2024-11-16 23:43:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-16 23:43:40,856 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-16 23:43:40,857 INFO L175 Difference]: Start difference. First operand has 1654 places, 1714 transitions, 3438 flow. Second operand 3 states and 5204 transitions. [2024-11-16 23:43:40,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1649 places, 1713 transitions, 3462 flow [2024-11-16 23:43:40,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1647 places, 1713 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:40,884 INFO L231 Difference]: Finished difference. Result has 1647 places, 1713 transitions, 3436 flow [2024-11-16 23:43:40,887 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=1645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3436, PETRI_PLACES=1647, PETRI_TRANSITIONS=1713} [2024-11-16 23:43:40,888 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -12 predicate places. [2024-11-16 23:43:40,888 INFO L471 AbstractCegarLoop]: Abstraction has has 1647 places, 1713 transitions, 3436 flow [2024-11-16 23:43:40,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:40,892 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:40,892 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:40,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:43:40,893 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:40,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:40,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1394449207, now seen corresponding path program 1 times [2024-11-16 23:43:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:40,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381461913] [2024-11-16 23:43:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:40,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:40,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381461913] [2024-11-16 23:43:40,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381461913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:40,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:40,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:40,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541302506] [2024-11-16 23:43:40,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:40,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:40,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:40,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:40,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:40,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-16 23:43:40,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1647 places, 1713 transitions, 3436 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:40,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:40,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-16 23:43:40,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:42,543 INFO L124 PetriNetUnfolderBase]: 123/2622 cut-off events. [2024-11-16 23:43:42,544 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:43:42,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2655 conditions, 2622 events. 123/2622 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14367 event pairs, 5 based on Foata normal form. 0/2106 useless extension candidates. Maximal degree in co-relation 2601. Up to 22 conditions per place. [2024-11-16 23:43:42,708 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1712 dead transitions. [2024-11-16 23:43:42,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1648 places, 1712 transitions, 3460 flow [2024-11-16 23:43:42,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:42,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-16 23:43:42,721 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-16 23:43:42,721 INFO L175 Difference]: Start difference. First operand has 1647 places, 1713 transitions, 3436 flow. Second operand 3 states and 5204 transitions. [2024-11-16 23:43:42,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1648 places, 1712 transitions, 3460 flow [2024-11-16 23:43:42,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1712 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:42,752 INFO L231 Difference]: Finished difference. Result has 1646 places, 1712 transitions, 3434 flow [2024-11-16 23:43:42,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3430, PETRI_DIFFERENCE_MINUEND_PLACES=1644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1710, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3434, PETRI_PLACES=1646, PETRI_TRANSITIONS=1712} [2024-11-16 23:43:42,757 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -13 predicate places. [2024-11-16 23:43:42,757 INFO L471 AbstractCegarLoop]: Abstraction has has 1646 places, 1712 transitions, 3434 flow [2024-11-16 23:43:42,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:42,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:42,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:42,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:43:42,762 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:42,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:42,763 INFO L85 PathProgramCache]: Analyzing trace with hash 725833535, now seen corresponding path program 1 times [2024-11-16 23:43:42,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:42,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669680622] [2024-11-16 23:43:42,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:42,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:42,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:42,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669680622] [2024-11-16 23:43:42,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669680622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:42,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:42,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:42,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882898316] [2024-11-16 23:43:42,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:42,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:42,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:42,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:42,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:42,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-16 23:43:42,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1646 places, 1712 transitions, 3434 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:42,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:42,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-16 23:43:42,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:44,231 INFO L124 PetriNetUnfolderBase]: 123/2621 cut-off events. [2024-11-16 23:43:44,231 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:43:44,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2654 conditions, 2621 events. 123/2621 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14935 event pairs, 5 based on Foata normal form. 0/2107 useless extension candidates. Maximal degree in co-relation 2592. Up to 22 conditions per place. [2024-11-16 23:43:44,375 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1711 dead transitions. [2024-11-16 23:43:44,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1647 places, 1711 transitions, 3458 flow [2024-11-16 23:43:44,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-16 23:43:44,386 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-16 23:43:44,386 INFO L175 Difference]: Start difference. First operand has 1646 places, 1712 transitions, 3434 flow. Second operand 3 states and 5204 transitions. [2024-11-16 23:43:44,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1647 places, 1711 transitions, 3458 flow [2024-11-16 23:43:44,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1645 places, 1711 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:44,412 INFO L231 Difference]: Finished difference. Result has 1645 places, 1711 transitions, 3432 flow [2024-11-16 23:43:44,414 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3428, PETRI_DIFFERENCE_MINUEND_PLACES=1643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3432, PETRI_PLACES=1645, PETRI_TRANSITIONS=1711} [2024-11-16 23:43:44,415 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -14 predicate places. [2024-11-16 23:43:44,415 INFO L471 AbstractCegarLoop]: Abstraction has has 1645 places, 1711 transitions, 3432 flow [2024-11-16 23:43:44,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:44,419 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:44,419 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:44,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:43:44,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:44,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:44,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1072265822, now seen corresponding path program 1 times [2024-11-16 23:43:44,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:44,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101663192] [2024-11-16 23:43:44,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:44,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:44,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:44,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101663192] [2024-11-16 23:43:44,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101663192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:44,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:44,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:44,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752136815] [2024-11-16 23:43:44,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:44,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:44,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:44,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:44,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:44,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-16 23:43:44,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1645 places, 1711 transitions, 3432 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:44,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:44,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-16 23:43:44,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:45,389 INFO L124 PetriNetUnfolderBase]: 102/2171 cut-off events. [2024-11-16 23:43:45,389 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-16 23:43:45,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2206 conditions, 2171 events. 102/2171 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10923 event pairs, 7 based on Foata normal form. 0/1753 useless extension candidates. Maximal degree in co-relation 2136. Up to 25 conditions per place. [2024-11-16 23:43:45,525 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2024-11-16 23:43:45,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1710 transitions, 3456 flow [2024-11-16 23:43:45,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-16 23:43:45,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-16 23:43:45,534 INFO L175 Difference]: Start difference. First operand has 1645 places, 1711 transitions, 3432 flow. Second operand 3 states and 5204 transitions. [2024-11-16 23:43:45,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1710 transitions, 3456 flow [2024-11-16 23:43:45,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1710 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:45,732 INFO L231 Difference]: Finished difference. Result has 1644 places, 1710 transitions, 3430 flow [2024-11-16 23:43:45,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=1642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1644, PETRI_TRANSITIONS=1710} [2024-11-16 23:43:45,735 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -15 predicate places. [2024-11-16 23:43:45,735 INFO L471 AbstractCegarLoop]: Abstraction has has 1644 places, 1710 transitions, 3430 flow [2024-11-16 23:43:45,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:45,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:45,739 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:45,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:43:45,740 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:45,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:45,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1818654745, now seen corresponding path program 1 times [2024-11-16 23:43:45,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:45,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797790003] [2024-11-16 23:43:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:45,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:45,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:45,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797790003] [2024-11-16 23:43:45,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797790003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:45,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:45,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678810368] [2024-11-16 23:43:45,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:45,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:45,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:45,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:45,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:45,818 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-16 23:43:45,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:45,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:45,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-16 23:43:45,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:46,852 INFO L124 PetriNetUnfolderBase]: 102/2170 cut-off events. [2024-11-16 23:43:46,852 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-16 23:43:46,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2205 conditions, 2170 events. 102/2170 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11190 event pairs, 7 based on Foata normal form. 0/1756 useless extension candidates. Maximal degree in co-relation 2127. Up to 25 conditions per place. [2024-11-16 23:43:46,953 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2024-11-16 23:43:46,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1709 transitions, 3454 flow [2024-11-16 23:43:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-16 23:43:46,959 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-16 23:43:46,959 INFO L175 Difference]: Start difference. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand 3 states and 5204 transitions. [2024-11-16 23:43:46,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1709 transitions, 3454 flow [2024-11-16 23:43:46,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1709 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:46,985 INFO L231 Difference]: Finished difference. Result has 1643 places, 1709 transitions, 3428 flow [2024-11-16 23:43:46,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=1641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3428, PETRI_PLACES=1643, PETRI_TRANSITIONS=1709} [2024-11-16 23:43:46,989 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -16 predicate places. [2024-11-16 23:43:46,989 INFO L471 AbstractCegarLoop]: Abstraction has has 1643 places, 1709 transitions, 3428 flow [2024-11-16 23:43:46,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:46,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:46,993 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:46,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:43:46,994 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:46,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1532979851, now seen corresponding path program 1 times [2024-11-16 23:43:46,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:46,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758535447] [2024-11-16 23:43:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:46,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:47,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:47,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:47,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758535447] [2024-11-16 23:43:47,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758535447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:47,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:47,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:47,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380995410] [2024-11-16 23:43:47,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:47,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:47,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:47,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:47,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:47,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1722 out of 1783 [2024-11-16 23:43:47,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 1723.3333333333333) internal successors, (5170), 3 states have internal predecessors, (5170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:47,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:47,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1722 of 1783 [2024-11-16 23:43:47,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:51,253 INFO L124 PetriNetUnfolderBase]: 504/9853 cut-off events. [2024-11-16 23:43:51,254 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:43:51,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9936 conditions, 9853 events. 504/9853 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 88728 event pairs, 18 based on Foata normal form. 0/7776 useless extension candidates. Maximal degree in co-relation 9850. Up to 56 conditions per place. [2024-11-16 23:43:51,608 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 19 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2024-11-16 23:43:51,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1708 transitions, 3468 flow [2024-11-16 23:43:51,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5188 transitions. [2024-11-16 23:43:51,614 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9699009160590765 [2024-11-16 23:43:51,614 INFO L175 Difference]: Start difference. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand 3 states and 5188 transitions. [2024-11-16 23:43:51,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1708 transitions, 3468 flow [2024-11-16 23:43:51,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1708 transitions, 3464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:51,636 INFO L231 Difference]: Finished difference. Result has 1642 places, 1708 transitions, 3426 flow [2024-11-16 23:43:51,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3426, PETRI_PLACES=1642, PETRI_TRANSITIONS=1708} [2024-11-16 23:43:51,639 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -17 predicate places. [2024-11-16 23:43:51,639 INFO L471 AbstractCegarLoop]: Abstraction has has 1642 places, 1708 transitions, 3426 flow [2024-11-16 23:43:51,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1723.3333333333333) internal successors, (5170), 3 states have internal predecessors, (5170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:51,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:51,642 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:51,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:43:51,642 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:51,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash 646301813, now seen corresponding path program 1 times [2024-11-16 23:43:51,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:51,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209033951] [2024-11-16 23:43:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:51,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:51,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:51,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209033951] [2024-11-16 23:43:51,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209033951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:51,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:51,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:51,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776090233] [2024-11-16 23:43:51,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:51,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:51,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:51,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:51,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:51,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1717 out of 1783 [2024-11-16 23:43:51,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:51,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:51,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1717 of 1783 [2024-11-16 23:43:51,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:58,776 INFO L124 PetriNetUnfolderBase]: 792/15282 cut-off events. [2024-11-16 23:43:58,777 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-16 23:43:59,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15406 conditions, 15282 events. 792/15282 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 154198 event pairs, 30 based on Foata normal form. 0/12034 useless extension candidates. Maximal degree in co-relation 15312. Up to 85 conditions per place. [2024-11-16 23:43:59,389 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 24 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2024-11-16 23:43:59,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1707 transitions, 3476 flow [2024-11-16 23:43:59,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5178 transitions. [2024-11-16 23:43:59,395 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680314077397645 [2024-11-16 23:43:59,395 INFO L175 Difference]: Start difference. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand 3 states and 5178 transitions. [2024-11-16 23:43:59,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1707 transitions, 3476 flow [2024-11-16 23:43:59,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1707 transitions, 3472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:59,414 INFO L231 Difference]: Finished difference. Result has 1641 places, 1707 transitions, 3424 flow [2024-11-16 23:43:59,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3420, PETRI_DIFFERENCE_MINUEND_PLACES=1639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1641, PETRI_TRANSITIONS=1707} [2024-11-16 23:43:59,417 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -18 predicate places. [2024-11-16 23:43:59,418 INFO L471 AbstractCegarLoop]: Abstraction has has 1641 places, 1707 transitions, 3424 flow [2024-11-16 23:43:59,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:59,419 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:59,419 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:59,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:43:59,420 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:43:59,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:59,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2125074003, now seen corresponding path program 1 times [2024-11-16 23:43:59,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:59,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770307110] [2024-11-16 23:43:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:59,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:59,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:59,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770307110] [2024-11-16 23:43:59,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770307110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:59,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:59,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:59,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948520577] [2024-11-16 23:43:59,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:59,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:59,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:59,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:59,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:59,547 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1783 [2024-11-16 23:43:59,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:59,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:59,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1783 [2024-11-16 23:43:59,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:02,689 INFO L124 PetriNetUnfolderBase]: 297/5783 cut-off events. [2024-11-16 23:44:02,689 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-11-16 23:44:02,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5858 conditions, 5783 events. 297/5783 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 42735 event pairs, 18 based on Foata normal form. 0/4588 useless extension candidates. Maximal degree in co-relation 5756. Up to 57 conditions per place. [2024-11-16 23:44:02,952 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 20 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2024-11-16 23:44:02,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1706 transitions, 3466 flow [2024-11-16 23:44:02,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5186 transitions. [2024-11-16 23:44:02,957 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.969527014395214 [2024-11-16 23:44:02,957 INFO L175 Difference]: Start difference. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand 3 states and 5186 transitions. [2024-11-16 23:44:02,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1706 transitions, 3466 flow [2024-11-16 23:44:02,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1706 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:02,974 INFO L231 Difference]: Finished difference. Result has 1640 places, 1706 transitions, 3422 flow [2024-11-16 23:44:02,976 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1640, PETRI_TRANSITIONS=1706} [2024-11-16 23:44:02,977 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -19 predicate places. [2024-11-16 23:44:02,977 INFO L471 AbstractCegarLoop]: Abstraction has has 1640 places, 1706 transitions, 3422 flow [2024-11-16 23:44:02,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:02,979 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:02,979 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:02,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:44:02,979 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:44:02,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:02,980 INFO L85 PathProgramCache]: Analyzing trace with hash 680567646, now seen corresponding path program 1 times [2024-11-16 23:44:02,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:02,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827277969] [2024-11-16 23:44:02,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:02,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:03,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:03,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827277969] [2024-11-16 23:44:03,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827277969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:03,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:03,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:03,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774370328] [2024-11-16 23:44:03,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:03,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:03,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:03,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:03,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:03,113 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1717 out of 1783 [2024-11-16 23:44:03,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:03,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:03,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1717 of 1783 [2024-11-16 23:44:03,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:07,492 INFO L124 PetriNetUnfolderBase]: 447/8500 cut-off events. [2024-11-16 23:44:07,493 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-16 23:44:07,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8609 conditions, 8500 events. 447/8500 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 71579 event pairs, 30 based on Foata normal form. 0/6714 useless extension candidates. Maximal degree in co-relation 8499. Up to 85 conditions per place. [2024-11-16 23:44:07,896 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 24 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2024-11-16 23:44:07,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1705 transitions, 3472 flow [2024-11-16 23:44:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:07,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5178 transitions. [2024-11-16 23:44:07,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680314077397645 [2024-11-16 23:44:07,902 INFO L175 Difference]: Start difference. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand 3 states and 5178 transitions. [2024-11-16 23:44:07,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1705 transitions, 3472 flow [2024-11-16 23:44:07,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1705 transitions, 3468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:07,917 INFO L231 Difference]: Finished difference. Result has 1639 places, 1705 transitions, 3420 flow [2024-11-16 23:44:07,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1639, PETRI_TRANSITIONS=1705} [2024-11-16 23:44:07,920 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -20 predicate places. [2024-11-16 23:44:07,920 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1705 transitions, 3420 flow [2024-11-16 23:44:07,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:07,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:07,922 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:07,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:44:07,922 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:44:07,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:07,922 INFO L85 PathProgramCache]: Analyzing trace with hash 976494802, now seen corresponding path program 1 times [2024-11-16 23:44:07,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:07,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217360511] [2024-11-16 23:44:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:07,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:07,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:07,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217360511] [2024-11-16 23:44:07,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217360511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:07,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:07,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:07,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525087854] [2024-11-16 23:44:07,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:07,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:07,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:07,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:07,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:08,029 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1783 [2024-11-16 23:44:08,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:08,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:08,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1783 [2024-11-16 23:44:08,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:08,807 INFO L124 PetriNetUnfolderBase]: 90/1740 cut-off events. [2024-11-16 23:44:08,807 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-16 23:44:08,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 1740 events. 90/1740 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8625 event pairs, 18 based on Foata normal form. 0/1426 useless extension candidates. Maximal degree in co-relation 1688. Up to 57 conditions per place. [2024-11-16 23:44:08,869 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 20 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2024-11-16 23:44:08,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1704 transitions, 3462 flow [2024-11-16 23:44:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5186 transitions. [2024-11-16 23:44:08,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.969527014395214 [2024-11-16 23:44:08,875 INFO L175 Difference]: Start difference. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand 3 states and 5186 transitions. [2024-11-16 23:44:08,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1704 transitions, 3462 flow [2024-11-16 23:44:08,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1704 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:08,888 INFO L231 Difference]: Finished difference. Result has 1638 places, 1704 transitions, 3418 flow [2024-11-16 23:44:08,890 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1638, PETRI_TRANSITIONS=1704} [2024-11-16 23:44:08,890 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -21 predicate places. [2024-11-16 23:44:08,890 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1704 transitions, 3418 flow [2024-11-16 23:44:08,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:08,892 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:08,892 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:08,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:44:08,892 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:44:08,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:08,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2047079555, now seen corresponding path program 1 times [2024-11-16 23:44:08,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:08,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697671179] [2024-11-16 23:44:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:08,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:08,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:08,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697671179] [2024-11-16 23:44:08,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697671179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:08,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:08,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:08,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842824061] [2024-11-16 23:44:08,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:08,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:08,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:08,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:08,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:08,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1717 out of 1783 [2024-11-16 23:44:09,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:09,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:09,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1717 of 1783 [2024-11-16 23:44:09,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:09,867 INFO L124 PetriNetUnfolderBase]: 135/2400 cut-off events. [2024-11-16 23:44:09,867 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-16 23:44:09,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2495 conditions, 2400 events. 135/2400 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13913 event pairs, 30 based on Foata normal form. 0/1939 useless extension candidates. Maximal degree in co-relation 2369. Up to 86 conditions per place. [2024-11-16 23:44:09,965 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 24 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2024-11-16 23:44:09,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1703 transitions, 3468 flow [2024-11-16 23:44:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5178 transitions. [2024-11-16 23:44:09,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680314077397645 [2024-11-16 23:44:09,973 INFO L175 Difference]: Start difference. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand 3 states and 5178 transitions. [2024-11-16 23:44:09,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1703 transitions, 3468 flow [2024-11-16 23:44:09,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1703 transitions, 3464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:09,992 INFO L231 Difference]: Finished difference. Result has 1637 places, 1703 transitions, 3416 flow [2024-11-16 23:44:09,994 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1637, PETRI_TRANSITIONS=1703} [2024-11-16 23:44:09,994 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -22 predicate places. [2024-11-16 23:44:09,994 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1703 transitions, 3416 flow [2024-11-16 23:44:09,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:09,995 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:09,996 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:09,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:44:09,996 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:44:09,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:09,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1021904367, now seen corresponding path program 1 times [2024-11-16 23:44:09,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:09,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277305163] [2024-11-16 23:44:09,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:09,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:10,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:10,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277305163] [2024-11-16 23:44:10,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277305163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:10,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:10,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607338485] [2024-11-16 23:44:10,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:10,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:10,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:10,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:10,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:10,094 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1783 [2024-11-16 23:44:10,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:10,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:10,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1783 [2024-11-16 23:44:10,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:13,871 INFO L124 PetriNetUnfolderBase]: 734/13410 cut-off events. [2024-11-16 23:44:13,872 INFO L125 PetriNetUnfolderBase]: For 5/9 co-relation queries the response was YES. [2024-11-16 23:44:14,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13577 conditions, 13410 events. 734/13410 cut-off events. For 5/9 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 144613 event pairs, 64 based on Foata normal form. 0/10578 useless extension candidates. Maximal degree in co-relation 13443. Up to 130 conditions per place. [2024-11-16 23:44:14,219 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 17 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2024-11-16 23:44:14,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1702 transitions, 3452 flow [2024-11-16 23:44:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:14,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5192 transitions. [2024-11-16 23:44:14,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9706487193868013 [2024-11-16 23:44:14,223 INFO L175 Difference]: Start difference. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand 3 states and 5192 transitions. [2024-11-16 23:44:14,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1702 transitions, 3452 flow [2024-11-16 23:44:14,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1702 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:14,237 INFO L231 Difference]: Finished difference. Result has 1636 places, 1702 transitions, 3414 flow [2024-11-16 23:44:14,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1636, PETRI_TRANSITIONS=1702} [2024-11-16 23:44:14,239 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -23 predicate places. [2024-11-16 23:44:14,239 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1702 transitions, 3414 flow [2024-11-16 23:44:14,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:14,240 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:14,240 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:14,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:44:14,240 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:44:14,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:14,241 INFO L85 PathProgramCache]: Analyzing trace with hash 423755916, now seen corresponding path program 1 times [2024-11-16 23:44:14,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:14,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841869665] [2024-11-16 23:44:14,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:14,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:14,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:14,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841869665] [2024-11-16 23:44:14,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841869665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:14,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:14,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:14,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195321226] [2024-11-16 23:44:14,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:14,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:14,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:14,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:14,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:14,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1783 [2024-11-16 23:44:14,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:14,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:14,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1783 [2024-11-16 23:44:14,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:16,792 INFO L124 PetriNetUnfolderBase]: 334/6225 cut-off events. [2024-11-16 23:44:16,792 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-16 23:44:16,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6324 conditions, 6225 events. 334/6225 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 52551 event pairs, 32 based on Foata normal form. 0/4935 useless extension candidates. Maximal degree in co-relation 6182. Up to 82 conditions per place. [2024-11-16 23:44:17,056 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 17 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2024-11-16 23:44:17,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1701 transitions, 3450 flow [2024-11-16 23:44:17,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5192 transitions. [2024-11-16 23:44:17,059 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9706487193868013 [2024-11-16 23:44:17,059 INFO L175 Difference]: Start difference. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand 3 states and 5192 transitions. [2024-11-16 23:44:17,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1701 transitions, 3450 flow [2024-11-16 23:44:17,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1701 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:17,072 INFO L231 Difference]: Finished difference. Result has 1635 places, 1701 transitions, 3412 flow [2024-11-16 23:44:17,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1635, PETRI_TRANSITIONS=1701} [2024-11-16 23:44:17,074 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -24 predicate places. [2024-11-16 23:44:17,074 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1701 transitions, 3412 flow [2024-11-16 23:44:17,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:17,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:17,075 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:17,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:44:17,076 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:44:17,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:17,076 INFO L85 PathProgramCache]: Analyzing trace with hash -141085243, now seen corresponding path program 1 times [2024-11-16 23:44:17,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:17,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733261530] [2024-11-16 23:44:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:17,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:17,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:17,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733261530] [2024-11-16 23:44:17,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733261530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:17,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:17,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:17,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279777777] [2024-11-16 23:44:17,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:17,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:17,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:17,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:17,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:17,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1783 [2024-11-16 23:44:17,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:17,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:17,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1783 [2024-11-16 23:44:17,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:19,121 INFO L124 PetriNetUnfolderBase]: 315/5279 cut-off events. [2024-11-16 23:44:19,121 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2024-11-16 23:44:19,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5431 conditions, 5279 events. 315/5279 cut-off events. For 29/70 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 41741 event pairs, 64 based on Foata normal form. 0/4205 useless extension candidates. Maximal degree in co-relation 5281. Up to 139 conditions per place. [2024-11-16 23:44:19,367 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 17 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2024-11-16 23:44:19,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1700 transitions, 3448 flow [2024-11-16 23:44:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5192 transitions. [2024-11-16 23:44:19,600 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9706487193868013 [2024-11-16 23:44:19,600 INFO L175 Difference]: Start difference. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand 3 states and 5192 transitions. [2024-11-16 23:44:19,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1700 transitions, 3448 flow [2024-11-16 23:44:19,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1700 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:19,618 INFO L231 Difference]: Finished difference. Result has 1634 places, 1700 transitions, 3410 flow [2024-11-16 23:44:19,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1634, PETRI_TRANSITIONS=1700} [2024-11-16 23:44:19,625 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -25 predicate places. [2024-11-16 23:44:19,625 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1700 transitions, 3410 flow [2024-11-16 23:44:19,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:19,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:19,627 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:19,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:44:19,627 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-16 23:44:19,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:19,627 INFO L85 PathProgramCache]: Analyzing trace with hash 872131660, now seen corresponding path program 1 times [2024-11-16 23:44:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:19,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560040450] [2024-11-16 23:44:19,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:19,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:19,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:19,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560040450] [2024-11-16 23:44:19,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560040450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:19,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:19,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:19,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690914858] [2024-11-16 23:44:19,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:19,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:19,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:19,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:19,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:19,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1783 [2024-11-16 23:44:19,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:19,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:19,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1783 [2024-11-16 23:44:19,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand