./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x6.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 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:56:25,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:56:25,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:56:25,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:56:25,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:56:25,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:56:25,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:56:25,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:56:25,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:56:25,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:56:25,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:56:25,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:56:25,189 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:56:25,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:56:25,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:56:25,190 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:56:25,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:56:25,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:56:25,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:56:25,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:56:25,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:56:25,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:56:25,200 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:56:25,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:56:25,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:56:25,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:56:25,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:56:25,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:56:25,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:56:25,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:56:25,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:56:25,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:56:25,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:56:25,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:56:25,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:56:25,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:56:25,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:56:25,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:56:25,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:56:25,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:56:25,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:56:25,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 [2024-10-13 09:56:25,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:56:25,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:56:25,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:56:25,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:56:25,478 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:56:25,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2024-10-13 09:56:27,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:56:27,240 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:56:27,241 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2024-10-13 09:56:27,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b1bf8e3/0dbdd8646d1145dbba800d7c53042cbe/FLAGdacc07afc [2024-10-13 09:56:27,267 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b1bf8e3/0dbdd8646d1145dbba800d7c53042cbe [2024-10-13 09:56:27,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:56:27,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:56:27,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:56:27,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:56:27,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:56:27,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a40e4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27, skipping insertion in model container [2024-10-13 09:56:27,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:56:27,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:56:27,479 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:56:27,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:56:27,513 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:56:27,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27 WrapperNode [2024-10-13 09:56:27,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:56:27,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:56:27,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:56:27,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:56:27,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,541 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-10-13 09:56:27,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:56:27,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:56:27,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:56:27,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:56:27,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:56:27,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:56:27,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:56:27,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:56:27,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (1/1) ... [2024-10-13 09:56:27,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:56:27,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:56:27,617 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) [2024-10-13 09:56:27,619 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 [2024-10-13 09:56:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:56:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 09:56:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 09:56:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 09:56:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 09:56:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 09:56:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 09:56:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-13 09:56:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-13 09:56:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:56:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:56:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:56:27,659 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:56:27,747 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:56:27,749 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:56:28,282 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:56:28,282 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:56:28,309 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:56:28,309 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-13 09:56:28,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:56:28 BoogieIcfgContainer [2024-10-13 09:56:28,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:56:28,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:56:28,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:56:28,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:56:28,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:56:27" (1/3) ... [2024-10-13 09:56:28,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a617939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:56:28, skipping insertion in model container [2024-10-13 09:56:28,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:27" (2/3) ... [2024-10-13 09:56:28,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a617939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:56:28, skipping insertion in model container [2024-10-13 09:56:28,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:56:28" (3/3) ... [2024-10-13 09:56:28,316 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2024-10-13 09:56:28,328 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:56:28,328 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2024-10-13 09:56:28,328 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:56:28,419 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-13 09:56:28,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 402 places, 403 transitions, 834 flow [2024-10-13 09:56:28,575 INFO L124 PetriNetUnfolderBase]: 14/399 cut-off events. [2024-10-13 09:56:28,576 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 09:56:28,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 399 events. 14/399 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1161 event pairs, 0 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 305. Up to 2 conditions per place. [2024-10-13 09:56:28,586 INFO L82 GeneralOperation]: Start removeDead. Operand has 402 places, 403 transitions, 834 flow [2024-10-13 09:56:28,594 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 380 places, 379 transitions, 782 flow [2024-10-13 09:56:28,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:56:28,606 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;@38143558, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:56:28,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2024-10-13 09:56:28,610 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:56:28,610 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-13 09:56:28,610 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:56:28,610 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:28,611 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] [2024-10-13 09:56:28,611 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:28,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:28,615 INFO L85 PathProgramCache]: Analyzing trace with hash 712131987, now seen corresponding path program 1 times [2024-10-13 09:56:28,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:28,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873447151] [2024-10-13 09:56:28,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:28,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:28,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:28,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873447151] [2024-10-13 09:56:28,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873447151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:28,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:28,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:28,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548691738] [2024-10-13 09:56:28,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:28,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:28,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:28,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:28,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:28,988 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 403 [2024-10-13 09:56:28,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 379 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:28,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:28,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 403 [2024-10-13 09:56:28,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:29,113 INFO L124 PetriNetUnfolderBase]: 49/589 cut-off events. [2024-10-13 09:56:29,113 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-10-13 09:56:29,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 589 events. 49/589 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2873 event pairs, 39 based on Foata normal form. 91/555 useless extension candidates. Maximal degree in co-relation 653. Up to 109 conditions per place. [2024-10-13 09:56:29,128 INFO L140 encePairwiseOnDemand]: 395/403 looper letters, 27 selfloop transitions, 2 changer transitions 1/373 dead transitions. [2024-10-13 09:56:29,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 373 transitions, 828 flow [2024-10-13 09:56:29,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:29,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-10-13 09:56:29,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9346567411083541 [2024-10-13 09:56:29,148 INFO L175 Difference]: Start difference. First operand has 380 places, 379 transitions, 782 flow. Second operand 3 states and 1130 transitions. [2024-10-13 09:56:29,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 373 transitions, 828 flow [2024-10-13 09:56:29,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 373 transitions, 812 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-13 09:56:29,159 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 756 flow [2024-10-13 09:56:29,161 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2024-10-13 09:56:29,165 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -7 predicate places. [2024-10-13 09:56:29,165 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 756 flow [2024-10-13 09:56:29,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:29,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:29,166 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] [2024-10-13 09:56:29,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:56:29,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:29,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:29,168 INFO L85 PathProgramCache]: Analyzing trace with hash -407433873, now seen corresponding path program 1 times [2024-10-13 09:56:29,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:29,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639662678] [2024-10-13 09:56:29,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:29,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:29,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:29,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639662678] [2024-10-13 09:56:29,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639662678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:29,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:29,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:29,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76313906] [2024-10-13 09:56:29,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:29,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:29,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:29,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:29,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:29,311 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 403 [2024-10-13 09:56:29,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:29,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:29,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 403 [2024-10-13 09:56:29,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:29,415 INFO L124 PetriNetUnfolderBase]: 49/587 cut-off events. [2024-10-13 09:56:29,415 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-13 09:56:29,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 587 events. 49/587 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2928 event pairs, 39 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 701. Up to 108 conditions per place. [2024-10-13 09:56:29,428 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 26 selfloop transitions, 2 changer transitions 0/371 dead transitions. [2024-10-13 09:56:29,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 371 transitions, 810 flow [2024-10-13 09:56:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1127 transitions. [2024-10-13 09:56:29,430 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9321753515301903 [2024-10-13 09:56:29,430 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 756 flow. Second operand 3 states and 1127 transitions. [2024-10-13 09:56:29,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 371 transitions, 810 flow [2024-10-13 09:56:29,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 371 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:29,436 INFO L231 Difference]: Finished difference. Result has 371 places, 371 transitions, 754 flow [2024-10-13 09:56:29,436 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=371, PETRI_TRANSITIONS=371} [2024-10-13 09:56:29,437 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -9 predicate places. [2024-10-13 09:56:29,437 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 371 transitions, 754 flow [2024-10-13 09:56:29,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:29,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:29,438 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] [2024-10-13 09:56:29,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:56:29,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:29,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1514659761, now seen corresponding path program 1 times [2024-10-13 09:56:29,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:29,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787180291] [2024-10-13 09:56:29,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:29,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:29,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787180291] [2024-10-13 09:56:29,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787180291] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:29,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:29,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:29,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418529349] [2024-10-13 09:56:29,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:29,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:29,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:29,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:29,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:29,540 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 403 [2024-10-13 09:56:29,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 371 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:29,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:29,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 403 [2024-10-13 09:56:29,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:29,652 INFO L124 PetriNetUnfolderBase]: 49/541 cut-off events. [2024-10-13 09:56:29,652 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-10-13 09:56:29,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 541 events. 49/541 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2522 event pairs, 39 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 636. Up to 109 conditions per place. [2024-10-13 09:56:29,663 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-10-13 09:56:29,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 370 transitions, 810 flow [2024-10-13 09:56:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1125 transitions. [2024-10-13 09:56:29,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305210918114144 [2024-10-13 09:56:29,666 INFO L175 Difference]: Start difference. First operand has 371 places, 371 transitions, 754 flow. Second operand 3 states and 1125 transitions. [2024-10-13 09:56:29,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 370 transitions, 810 flow [2024-10-13 09:56:29,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 370 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:29,671 INFO L231 Difference]: Finished difference. Result has 370 places, 370 transitions, 752 flow [2024-10-13 09:56:29,672 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=370, PETRI_TRANSITIONS=370} [2024-10-13 09:56:29,672 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -10 predicate places. [2024-10-13 09:56:29,672 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 370 transitions, 752 flow [2024-10-13 09:56:29,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:29,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:29,673 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] [2024-10-13 09:56:29,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:56:29,674 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:29,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:29,674 INFO L85 PathProgramCache]: Analyzing trace with hash -540435884, now seen corresponding path program 1 times [2024-10-13 09:56:29,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:29,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321473259] [2024-10-13 09:56:29,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:29,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:29,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:29,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321473259] [2024-10-13 09:56:29,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321473259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:29,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:29,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:29,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941511963] [2024-10-13 09:56:29,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:29,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:29,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:29,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:29,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:29,775 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 403 [2024-10-13 09:56:29,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 370 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:29,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:29,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 403 [2024-10-13 09:56:29,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:29,883 INFO L124 PetriNetUnfolderBase]: 49/495 cut-off events. [2024-10-13 09:56:29,883 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-10-13 09:56:29,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 495 events. 49/495 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2050 event pairs, 39 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 569. Up to 108 conditions per place. [2024-10-13 09:56:29,895 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 26 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2024-10-13 09:56:29,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 369 transitions, 806 flow [2024-10-13 09:56:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1127 transitions. [2024-10-13 09:56:29,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9321753515301903 [2024-10-13 09:56:29,902 INFO L175 Difference]: Start difference. First operand has 370 places, 370 transitions, 752 flow. Second operand 3 states and 1127 transitions. [2024-10-13 09:56:29,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 369 transitions, 806 flow [2024-10-13 09:56:29,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 369 transitions, 802 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:29,908 INFO L231 Difference]: Finished difference. Result has 369 places, 369 transitions, 750 flow [2024-10-13 09:56:29,908 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=369, PETRI_TRANSITIONS=369} [2024-10-13 09:56:29,909 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -11 predicate places. [2024-10-13 09:56:29,909 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 369 transitions, 750 flow [2024-10-13 09:56:29,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:29,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:29,910 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:29,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:56:29,911 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:29,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:29,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1419192477, now seen corresponding path program 1 times [2024-10-13 09:56:29,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:29,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068487955] [2024-10-13 09:56:29,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:29,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:29,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068487955] [2024-10-13 09:56:29,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068487955] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:29,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:29,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:29,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041244621] [2024-10-13 09:56:29,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:29,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:29,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:29,968 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 403 [2024-10-13 09:56:29,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 369 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:29,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:29,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 403 [2024-10-13 09:56:29,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:30,636 INFO L124 PetriNetUnfolderBase]: 102/2206 cut-off events. [2024-10-13 09:56:30,640 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-13 09:56:30,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2371 conditions, 2206 events. 102/2206 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 18712 event pairs, 51 based on Foata normal form. 0/1664 useless extension candidates. Maximal degree in co-relation 2320. Up to 144 conditions per place. [2024-10-13 09:56:30,724 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 15 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2024-10-13 09:56:30,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 368 transitions, 782 flow [2024-10-13 09:56:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2024-10-13 09:56:30,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9503722084367245 [2024-10-13 09:56:30,734 INFO L175 Difference]: Start difference. First operand has 369 places, 369 transitions, 750 flow. Second operand 3 states and 1149 transitions. [2024-10-13 09:56:30,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 368 transitions, 782 flow [2024-10-13 09:56:30,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 368 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:30,747 INFO L231 Difference]: Finished difference. Result has 368 places, 368 transitions, 748 flow [2024-10-13 09:56:30,747 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=368, PETRI_TRANSITIONS=368} [2024-10-13 09:56:30,748 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -12 predicate places. [2024-10-13 09:56:30,748 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 368 transitions, 748 flow [2024-10-13 09:56:30,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:30,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:30,749 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:30,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:56:30,749 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:30,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:30,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1862157651, now seen corresponding path program 1 times [2024-10-13 09:56:30,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:30,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863867521] [2024-10-13 09:56:30,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:30,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:30,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:30,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863867521] [2024-10-13 09:56:30,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863867521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:30,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:30,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:30,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426546460] [2024-10-13 09:56:30,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:30,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:30,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:30,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:30,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:30,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 403 [2024-10-13 09:56:30,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 368 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:30,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:30,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 403 [2024-10-13 09:56:30,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:31,105 INFO L124 PetriNetUnfolderBase]: 76/573 cut-off events. [2024-10-13 09:56:31,105 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:56:31,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 573 events. 76/573 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2975 event pairs, 54 based on Foata normal form. 0/489 useless extension candidates. Maximal degree in co-relation 763. Up to 144 conditions per place. [2024-10-13 09:56:31,113 INFO L140 encePairwiseOnDemand]: 382/403 looper letters, 32 selfloop transitions, 9 changer transitions 0/360 dead transitions. [2024-10-13 09:56:31,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 360 transitions, 817 flow [2024-10-13 09:56:31,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:31,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1094 transitions. [2024-10-13 09:56:31,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9048800661703887 [2024-10-13 09:56:31,117 INFO L175 Difference]: Start difference. First operand has 368 places, 368 transitions, 748 flow. Second operand 3 states and 1094 transitions. [2024-10-13 09:56:31,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 360 transitions, 817 flow [2024-10-13 09:56:31,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 360 transitions, 813 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:31,123 INFO L231 Difference]: Finished difference. Result has 357 places, 357 transitions, 751 flow [2024-10-13 09:56:31,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=751, PETRI_PLACES=357, PETRI_TRANSITIONS=357} [2024-10-13 09:56:31,125 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -23 predicate places. [2024-10-13 09:56:31,126 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 357 transitions, 751 flow [2024-10-13 09:56:31,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:31,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:31,127 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:31,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:56:31,127 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:31,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:31,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1467833337, now seen corresponding path program 1 times [2024-10-13 09:56:31,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:31,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290529189] [2024-10-13 09:56:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:31,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:31,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:31,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290529189] [2024-10-13 09:56:31,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290529189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:31,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:31,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:31,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098343716] [2024-10-13 09:56:31,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:31,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:31,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:31,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:31,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:31,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 403 [2024-10-13 09:56:31,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 357 transitions, 751 flow. Second operand has 3 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:31,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:31,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 403 [2024-10-13 09:56:31,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:31,312 INFO L124 PetriNetUnfolderBase]: 76/563 cut-off events. [2024-10-13 09:56:31,312 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-10-13 09:56:31,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 563 events. 76/563 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3001 event pairs, 54 based on Foata normal form. 0/491 useless extension candidates. Maximal degree in co-relation 694. Up to 142 conditions per place. [2024-10-13 09:56:31,342 INFO L140 encePairwiseOnDemand]: 383/403 looper letters, 30 selfloop transitions, 9 changer transitions 0/350 dead transitions. [2024-10-13 09:56:31,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 350 transitions, 818 flow [2024-10-13 09:56:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1100 transitions. [2024-10-13 09:56:31,344 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098428453267163 [2024-10-13 09:56:31,344 INFO L175 Difference]: Start difference. First operand has 357 places, 357 transitions, 751 flow. Second operand 3 states and 1100 transitions. [2024-10-13 09:56:31,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 350 transitions, 818 flow [2024-10-13 09:56:31,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 350 transitions, 809 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:56:31,352 INFO L231 Difference]: Finished difference. Result has 348 places, 347 transitions, 751 flow [2024-10-13 09:56:31,353 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=751, PETRI_PLACES=348, PETRI_TRANSITIONS=347} [2024-10-13 09:56:31,353 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -32 predicate places. [2024-10-13 09:56:31,354 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 347 transitions, 751 flow [2024-10-13 09:56:31,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:31,354 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:31,354 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:31,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:56:31,355 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:31,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash 914972423, now seen corresponding path program 1 times [2024-10-13 09:56:31,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:31,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871182256] [2024-10-13 09:56:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:31,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:31,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871182256] [2024-10-13 09:56:31,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871182256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:31,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:31,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:31,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549250292] [2024-10-13 09:56:31,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:31,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:31,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:31,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:31,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:31,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 403 [2024-10-13 09:56:31,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 347 transitions, 751 flow. Second operand has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:31,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:31,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 403 [2024-10-13 09:56:31,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:31,957 INFO L124 PetriNetUnfolderBase]: 83/744 cut-off events. [2024-10-13 09:56:31,957 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-10-13 09:56:31,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1008 conditions, 744 events. 83/744 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4298 event pairs, 12 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 851. Up to 148 conditions per place. [2024-10-13 09:56:31,969 INFO L140 encePairwiseOnDemand]: 381/403 looper letters, 35 selfloop transitions, 10 changer transitions 0/343 dead transitions. [2024-10-13 09:56:31,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 343 transitions, 839 flow [2024-10-13 09:56:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1098 transitions. [2024-10-13 09:56:31,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9081885856079405 [2024-10-13 09:56:31,971 INFO L175 Difference]: Start difference. First operand has 348 places, 347 transitions, 751 flow. Second operand 3 states and 1098 transitions. [2024-10-13 09:56:31,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 343 transitions, 839 flow [2024-10-13 09:56:31,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 343 transitions, 830 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:56:31,976 INFO L231 Difference]: Finished difference. Result has 338 places, 337 transitions, 756 flow [2024-10-13 09:56:31,977 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=338, PETRI_TRANSITIONS=337} [2024-10-13 09:56:31,978 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -42 predicate places. [2024-10-13 09:56:31,978 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 337 transitions, 756 flow [2024-10-13 09:56:31,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:31,979 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:31,979 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] [2024-10-13 09:56:31,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:56:31,980 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:31,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:31,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1179774638, now seen corresponding path program 1 times [2024-10-13 09:56:31,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:31,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90452651] [2024-10-13 09:56:31,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:31,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:32,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:32,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90452651] [2024-10-13 09:56:32,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90452651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:32,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:32,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:56:32,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738601289] [2024-10-13 09:56:32,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:32,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:56:32,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:32,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:56:32,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:56:32,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 403 [2024-10-13 09:56:32,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 337 transitions, 756 flow. Second operand has 4 states, 4 states have (on average 377.25) internal successors, (1509), 4 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:32,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:32,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 403 [2024-10-13 09:56:32,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:32,134 INFO L124 PetriNetUnfolderBase]: 12/569 cut-off events. [2024-10-13 09:56:32,134 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-13 09:56:32,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 569 events. 12/569 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2425 event pairs, 0 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 474. Up to 26 conditions per place. [2024-10-13 09:56:32,142 INFO L140 encePairwiseOnDemand]: 397/403 looper letters, 19 selfloop transitions, 5 changer transitions 0/342 dead transitions. [2024-10-13 09:56:32,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 342 transitions, 814 flow [2024-10-13 09:56:32,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:56:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:56:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1905 transitions. [2024-10-13 09:56:32,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9454094292803971 [2024-10-13 09:56:32,146 INFO L175 Difference]: Start difference. First operand has 338 places, 337 transitions, 756 flow. Second operand 5 states and 1905 transitions. [2024-10-13 09:56:32,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 342 transitions, 814 flow [2024-10-13 09:56:32,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 342 transitions, 804 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:56:32,151 INFO L231 Difference]: Finished difference. Result has 345 places, 341 transitions, 784 flow [2024-10-13 09:56:32,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=784, PETRI_PLACES=345, PETRI_TRANSITIONS=341} [2024-10-13 09:56:32,152 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -35 predicate places. [2024-10-13 09:56:32,153 INFO L471 AbstractCegarLoop]: Abstraction has has 345 places, 341 transitions, 784 flow [2024-10-13 09:56:32,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 377.25) internal successors, (1509), 4 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:32,154 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:32,154 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] [2024-10-13 09:56:32,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 09:56:32,154 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:32,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:32,155 INFO L85 PathProgramCache]: Analyzing trace with hash 155302156, now seen corresponding path program 1 times [2024-10-13 09:56:32,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:32,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808429703] [2024-10-13 09:56:32,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:32,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:32,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:32,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:32,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808429703] [2024-10-13 09:56:32,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808429703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:32,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:32,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:32,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277373509] [2024-10-13 09:56:32,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:32,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:32,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:32,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:32,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:32,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 403 [2024-10-13 09:56:32,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 341 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:32,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:32,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 403 [2024-10-13 09:56:32,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:32,409 INFO L124 PetriNetUnfolderBase]: 133/1059 cut-off events. [2024-10-13 09:56:32,409 INFO L125 PetriNetUnfolderBase]: For 114/114 co-relation queries the response was YES. [2024-10-13 09:56:32,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 1059 events. 133/1059 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 7162 event pairs, 20 based on Foata normal form. 1/979 useless extension candidates. Maximal degree in co-relation 1115. Up to 236 conditions per place. [2024-10-13 09:56:32,421 INFO L140 encePairwiseOnDemand]: 383/403 looper letters, 31 selfloop transitions, 9 changer transitions 10/338 dead transitions. [2024-10-13 09:56:32,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 338 transitions, 869 flow [2024-10-13 09:56:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1103 transitions. [2024-10-13 09:56:32,424 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.91232423490488 [2024-10-13 09:56:32,424 INFO L175 Difference]: Start difference. First operand has 345 places, 341 transitions, 784 flow. Second operand 3 states and 1103 transitions. [2024-10-13 09:56:32,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 338 transitions, 869 flow [2024-10-13 09:56:32,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 338 transitions, 869 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:56:32,431 INFO L231 Difference]: Finished difference. Result has 337 places, 321 transitions, 772 flow [2024-10-13 09:56:32,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=337, PETRI_TRANSITIONS=321} [2024-10-13 09:56:32,432 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -43 predicate places. [2024-10-13 09:56:32,432 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 321 transitions, 772 flow [2024-10-13 09:56:32,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:32,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:32,434 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] [2024-10-13 09:56:32,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 09:56:32,434 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:32,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:32,435 INFO L85 PathProgramCache]: Analyzing trace with hash 658913523, now seen corresponding path program 1 times [2024-10-13 09:56:32,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:32,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317690103] [2024-10-13 09:56:32,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:32,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:32,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:32,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317690103] [2024-10-13 09:56:32,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317690103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:32,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:32,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:32,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739600324] [2024-10-13 09:56:32,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:32,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:32,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:32,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:32,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:32,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 403 [2024-10-13 09:56:32,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 321 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:32,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:32,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 403 [2024-10-13 09:56:32,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:33,756 INFO L124 PetriNetUnfolderBase]: 751/9298 cut-off events. [2024-10-13 09:56:33,757 INFO L125 PetriNetUnfolderBase]: For 280/280 co-relation queries the response was YES. [2024-10-13 09:56:33,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12087 conditions, 9298 events. 751/9298 cut-off events. For 280/280 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 115215 event pairs, 349 based on Foata normal form. 0/8251 useless extension candidates. Maximal degree in co-relation 9115. Up to 1015 conditions per place. [2024-10-13 09:56:33,978 INFO L140 encePairwiseOnDemand]: 395/403 looper letters, 19 selfloop transitions, 4 changer transitions 0/324 dead transitions. [2024-10-13 09:56:33,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 324 transitions, 827 flow [2024-10-13 09:56:33,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1152 transitions. [2024-10-13 09:56:33,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9528535980148883 [2024-10-13 09:56:33,982 INFO L175 Difference]: Start difference. First operand has 337 places, 321 transitions, 772 flow. Second operand 3 states and 1152 transitions. [2024-10-13 09:56:33,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 324 transitions, 827 flow [2024-10-13 09:56:33,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 324 transitions, 818 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:56:33,992 INFO L231 Difference]: Finished difference. Result has 325 places, 321 transitions, 783 flow [2024-10-13 09:56:33,992 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=325, PETRI_TRANSITIONS=321} [2024-10-13 09:56:33,993 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -55 predicate places. [2024-10-13 09:56:33,993 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 321 transitions, 783 flow [2024-10-13 09:56:33,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:33,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:33,994 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] [2024-10-13 09:56:33,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 09:56:33,994 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:33,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:33,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1377303334, now seen corresponding path program 1 times [2024-10-13 09:56:33,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:33,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782699852] [2024-10-13 09:56:33,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:33,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:34,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:34,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782699852] [2024-10-13 09:56:34,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782699852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:34,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:34,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:34,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063214983] [2024-10-13 09:56:34,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:34,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:34,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:34,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:34,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:34,141 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-10-13 09:56:34,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 321 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:34,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:34,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-10-13 09:56:34,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:34,961 INFO L124 PetriNetUnfolderBase]: 284/2834 cut-off events. [2024-10-13 09:56:34,962 INFO L125 PetriNetUnfolderBase]: For 95/107 co-relation queries the response was YES. [2024-10-13 09:56:34,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4016 conditions, 2834 events. 284/2834 cut-off events. For 95/107 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 26421 event pairs, 145 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 2727. Up to 339 conditions per place. [2024-10-13 09:56:35,002 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 28 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2024-10-13 09:56:35,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 323 transitions, 850 flow [2024-10-13 09:56:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-10-13 09:56:35,005 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-10-13 09:56:35,005 INFO L175 Difference]: Start difference. First operand has 325 places, 321 transitions, 783 flow. Second operand 3 states and 1131 transitions. [2024-10-13 09:56:35,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 323 transitions, 850 flow [2024-10-13 09:56:35,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 323 transitions, 850 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:56:35,012 INFO L231 Difference]: Finished difference. Result has 326 places, 320 transitions, 785 flow [2024-10-13 09:56:35,013 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=326, PETRI_TRANSITIONS=320} [2024-10-13 09:56:35,013 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -54 predicate places. [2024-10-13 09:56:35,014 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 320 transitions, 785 flow [2024-10-13 09:56:35,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:35,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:35,015 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] [2024-10-13 09:56:35,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 09:56:35,015 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:35,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:35,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1504126638, now seen corresponding path program 1 times [2024-10-13 09:56:35,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:35,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684839776] [2024-10-13 09:56:35,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:35,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:35,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:35,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684839776] [2024-10-13 09:56:35,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684839776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:35,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:35,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:35,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028285758] [2024-10-13 09:56:35,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:35,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:35,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:35,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:35,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:35,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-10-13 09:56:35,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 320 transitions, 785 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:35,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:35,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-10-13 09:56:35,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:36,023 INFO L124 PetriNetUnfolderBase]: 535/3683 cut-off events. [2024-10-13 09:56:36,023 INFO L125 PetriNetUnfolderBase]: For 379/387 co-relation queries the response was YES. [2024-10-13 09:56:36,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5758 conditions, 3683 events. 535/3683 cut-off events. For 379/387 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 36730 event pairs, 338 based on Foata normal form. 0/3346 useless extension candidates. Maximal degree in co-relation 5557. Up to 892 conditions per place. [2024-10-13 09:56:36,087 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2024-10-13 09:56:36,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 322 transitions, 850 flow [2024-10-13 09:56:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-10-13 09:56:36,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-10-13 09:56:36,090 INFO L175 Difference]: Start difference. First operand has 326 places, 320 transitions, 785 flow. Second operand 3 states and 1133 transitions. [2024-10-13 09:56:36,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 322 transitions, 850 flow [2024-10-13 09:56:36,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 322 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:36,096 INFO L231 Difference]: Finished difference. Result has 325 places, 319 transitions, 783 flow [2024-10-13 09:56:36,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=325, PETRI_TRANSITIONS=319} [2024-10-13 09:56:36,097 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -55 predicate places. [2024-10-13 09:56:36,097 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 319 transitions, 783 flow [2024-10-13 09:56:36,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:36,098 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:36,098 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] [2024-10-13 09:56:36,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 09:56:36,098 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:36,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:36,099 INFO L85 PathProgramCache]: Analyzing trace with hash 420914911, now seen corresponding path program 1 times [2024-10-13 09:56:36,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:36,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983772857] [2024-10-13 09:56:36,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:36,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:36,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983772857] [2024-10-13 09:56:36,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983772857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:36,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:36,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:36,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741026051] [2024-10-13 09:56:36,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:36,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:36,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:36,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:36,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:36,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-10-13 09:56:36,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 319 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:36,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:36,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-10-13 09:56:36,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:36,623 INFO L124 PetriNetUnfolderBase]: 284/2810 cut-off events. [2024-10-13 09:56:36,623 INFO L125 PetriNetUnfolderBase]: For 107/116 co-relation queries the response was YES. [2024-10-13 09:56:36,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4017 conditions, 2810 events. 284/2810 cut-off events. For 107/116 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 26079 event pairs, 145 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 3417. Up to 339 conditions per place. [2024-10-13 09:56:36,671 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 28 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-10-13 09:56:36,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 321 transitions, 850 flow [2024-10-13 09:56:36,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-10-13 09:56:36,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-10-13 09:56:36,674 INFO L175 Difference]: Start difference. First operand has 325 places, 319 transitions, 783 flow. Second operand 3 states and 1131 transitions. [2024-10-13 09:56:36,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 321 transitions, 850 flow [2024-10-13 09:56:36,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 321 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:36,680 INFO L231 Difference]: Finished difference. Result has 324 places, 318 transitions, 781 flow [2024-10-13 09:56:36,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=324, PETRI_TRANSITIONS=318} [2024-10-13 09:56:36,682 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -56 predicate places. [2024-10-13 09:56:36,682 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 318 transitions, 781 flow [2024-10-13 09:56:36,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:36,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:36,683 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] [2024-10-13 09:56:36,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 09:56:36,683 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:36,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1217757879, now seen corresponding path program 1 times [2024-10-13 09:56:36,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:36,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049311735] [2024-10-13 09:56:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:36,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:36,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:36,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049311735] [2024-10-13 09:56:36,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049311735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:36,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:36,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:36,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479249980] [2024-10-13 09:56:36,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:36,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:36,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:36,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:36,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:36,776 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-10-13 09:56:36,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 318 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:36,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:36,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-10-13 09:56:36,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:37,243 INFO L124 PetriNetUnfolderBase]: 313/2791 cut-off events. [2024-10-13 09:56:37,244 INFO L125 PetriNetUnfolderBase]: For 249/252 co-relation queries the response was YES. [2024-10-13 09:56:37,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 2791 events. 313/2791 cut-off events. For 249/252 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 25674 event pairs, 169 based on Foata normal form. 0/2533 useless extension candidates. Maximal degree in co-relation 3842. Up to 440 conditions per place. [2024-10-13 09:56:37,303 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 29 selfloop transitions, 2 changer transitions 0/320 dead transitions. [2024-10-13 09:56:37,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 320 transitions, 850 flow [2024-10-13 09:56:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:37,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-10-13 09:56:37,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-10-13 09:56:37,306 INFO L175 Difference]: Start difference. First operand has 324 places, 318 transitions, 781 flow. Second operand 3 states and 1131 transitions. [2024-10-13 09:56:37,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 320 transitions, 850 flow [2024-10-13 09:56:37,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 320 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:37,311 INFO L231 Difference]: Finished difference. Result has 323 places, 317 transitions, 779 flow [2024-10-13 09:56:37,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=323, PETRI_TRANSITIONS=317} [2024-10-13 09:56:37,314 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -57 predicate places. [2024-10-13 09:56:37,314 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 317 transitions, 779 flow [2024-10-13 09:56:37,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:37,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:37,315 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] [2024-10-13 09:56:37,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 09:56:37,315 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:37,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:37,315 INFO L85 PathProgramCache]: Analyzing trace with hash -516868665, now seen corresponding path program 1 times [2024-10-13 09:56:37,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:37,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175214003] [2024-10-13 09:56:37,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:37,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:37,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:37,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175214003] [2024-10-13 09:56:37,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175214003] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:37,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:37,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:37,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064622213] [2024-10-13 09:56:37,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:37,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:37,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:37,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:37,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:37,412 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-10-13 09:56:37,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 317 transitions, 779 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:37,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:37,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-10-13 09:56:37,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:37,971 INFO L124 PetriNetUnfolderBase]: 547/3767 cut-off events. [2024-10-13 09:56:37,971 INFO L125 PetriNetUnfolderBase]: For 384/390 co-relation queries the response was YES. [2024-10-13 09:56:38,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5892 conditions, 3767 events. 547/3767 cut-off events. For 384/390 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 37303 event pairs, 338 based on Foata normal form. 0/3465 useless extension candidates. Maximal degree in co-relation 5380. Up to 892 conditions per place. [2024-10-13 09:56:38,033 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2024-10-13 09:56:38,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 319 transitions, 844 flow [2024-10-13 09:56:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-10-13 09:56:38,036 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-10-13 09:56:38,037 INFO L175 Difference]: Start difference. First operand has 323 places, 317 transitions, 779 flow. Second operand 3 states and 1133 transitions. [2024-10-13 09:56:38,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 319 transitions, 844 flow [2024-10-13 09:56:38,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 319 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:38,043 INFO L231 Difference]: Finished difference. Result has 322 places, 316 transitions, 777 flow [2024-10-13 09:56:38,043 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=322, PETRI_TRANSITIONS=316} [2024-10-13 09:56:38,044 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -58 predicate places. [2024-10-13 09:56:38,044 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 316 transitions, 777 flow [2024-10-13 09:56:38,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:38,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:38,045 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] [2024-10-13 09:56:38,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 09:56:38,045 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:38,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:38,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1237039550, now seen corresponding path program 1 times [2024-10-13 09:56:38,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:38,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146845749] [2024-10-13 09:56:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:38,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:38,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146845749] [2024-10-13 09:56:38,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146845749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:38,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:38,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:38,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44225158] [2024-10-13 09:56:38,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:38,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:38,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:38,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:38,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:38,137 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-10-13 09:56:38,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 316 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:38,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:38,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-10-13 09:56:38,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:38,404 INFO L124 PetriNetUnfolderBase]: 190/2157 cut-off events. [2024-10-13 09:56:38,405 INFO L125 PetriNetUnfolderBase]: For 185/192 co-relation queries the response was YES. [2024-10-13 09:56:38,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2990 conditions, 2157 events. 190/2157 cut-off events. For 185/192 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 18178 event pairs, 84 based on Foata normal form. 1/1978 useless extension candidates. Maximal degree in co-relation 2379. Up to 254 conditions per place. [2024-10-13 09:56:38,445 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/318 dead transitions. [2024-10-13 09:56:38,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 318 transitions, 842 flow [2024-10-13 09:56:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-10-13 09:56:38,453 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-10-13 09:56:38,455 INFO L175 Difference]: Start difference. First operand has 322 places, 316 transitions, 777 flow. Second operand 3 states and 1133 transitions. [2024-10-13 09:56:38,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 318 transitions, 842 flow [2024-10-13 09:56:38,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 318 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:38,461 INFO L231 Difference]: Finished difference. Result has 321 places, 315 transitions, 775 flow [2024-10-13 09:56:38,461 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=775, PETRI_PLACES=321, PETRI_TRANSITIONS=315} [2024-10-13 09:56:38,462 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -59 predicate places. [2024-10-13 09:56:38,462 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 315 transitions, 775 flow [2024-10-13 09:56:38,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:38,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:38,463 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] [2024-10-13 09:56:38,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 09:56:38,463 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:38,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:38,463 INFO L85 PathProgramCache]: Analyzing trace with hash 40137862, now seen corresponding path program 1 times [2024-10-13 09:56:38,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:38,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251373435] [2024-10-13 09:56:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:38,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:38,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:38,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251373435] [2024-10-13 09:56:38,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251373435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:38,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:38,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:38,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673755677] [2024-10-13 09:56:38,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:38,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:38,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:38,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:38,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:38,570 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-10-13 09:56:38,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 315 transitions, 775 flow. Second operand has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:38,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:38,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-10-13 09:56:38,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:39,252 INFO L124 PetriNetUnfolderBase]: 284/2762 cut-off events. [2024-10-13 09:56:39,252 INFO L125 PetriNetUnfolderBase]: For 106/115 co-relation queries the response was YES. [2024-10-13 09:56:39,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3967 conditions, 2762 events. 284/2762 cut-off events. For 106/115 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 25448 event pairs, 145 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 3436. Up to 339 conditions per place. [2024-10-13 09:56:39,297 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 28 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2024-10-13 09:56:39,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 317 transitions, 842 flow [2024-10-13 09:56:39,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-10-13 09:56:39,300 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-10-13 09:56:39,300 INFO L175 Difference]: Start difference. First operand has 321 places, 315 transitions, 775 flow. Second operand 3 states and 1131 transitions. [2024-10-13 09:56:39,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 317 transitions, 842 flow [2024-10-13 09:56:39,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 317 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:39,306 INFO L231 Difference]: Finished difference. Result has 320 places, 314 transitions, 773 flow [2024-10-13 09:56:39,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=773, PETRI_PLACES=320, PETRI_TRANSITIONS=314} [2024-10-13 09:56:39,307 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -60 predicate places. [2024-10-13 09:56:39,307 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 314 transitions, 773 flow [2024-10-13 09:56:39,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:39,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:39,308 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:39,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 09:56:39,308 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:39,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1043188198, now seen corresponding path program 1 times [2024-10-13 09:56:39,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:39,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095259193] [2024-10-13 09:56:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:39,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:39,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:39,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095259193] [2024-10-13 09:56:39,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095259193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:39,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:39,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:39,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40271814] [2024-10-13 09:56:39,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:39,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:39,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:39,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:39,402 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-10-13 09:56:39,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 314 transitions, 773 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:39,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:39,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-10-13 09:56:39,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:39,900 INFO L124 PetriNetUnfolderBase]: 313/2731 cut-off events. [2024-10-13 09:56:39,901 INFO L125 PetriNetUnfolderBase]: For 246/249 co-relation queries the response was YES. [2024-10-13 09:56:39,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3933 conditions, 2731 events. 313/2731 cut-off events. For 246/249 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 24851 event pairs, 169 based on Foata normal form. 0/2521 useless extension candidates. Maximal degree in co-relation 3818. Up to 440 conditions per place. [2024-10-13 09:56:39,951 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 29 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2024-10-13 09:56:39,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 316 transitions, 842 flow [2024-10-13 09:56:39,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-10-13 09:56:39,954 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-10-13 09:56:39,954 INFO L175 Difference]: Start difference. First operand has 320 places, 314 transitions, 773 flow. Second operand 3 states and 1131 transitions. [2024-10-13 09:56:39,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 316 transitions, 842 flow [2024-10-13 09:56:39,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 316 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:39,960 INFO L231 Difference]: Finished difference. Result has 319 places, 313 transitions, 771 flow [2024-10-13 09:56:39,961 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=319, PETRI_TRANSITIONS=313} [2024-10-13 09:56:39,961 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -61 predicate places. [2024-10-13 09:56:39,961 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 313 transitions, 771 flow [2024-10-13 09:56:39,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:39,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:39,962 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] [2024-10-13 09:56:39,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 09:56:39,962 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:39,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:39,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1083503398, now seen corresponding path program 1 times [2024-10-13 09:56:39,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:39,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029340369] [2024-10-13 09:56:39,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:39,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:39,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:39,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:39,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029340369] [2024-10-13 09:56:39,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029340369] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:39,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:39,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:39,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107182133] [2024-10-13 09:56:39,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:39,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:39,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:39,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:39,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:40,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-10-13 09:56:40,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 313 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:40,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:40,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-10-13 09:56:40,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:40,731 INFO L124 PetriNetUnfolderBase]: 559/3834 cut-off events. [2024-10-13 09:56:40,731 INFO L125 PetriNetUnfolderBase]: For 384/390 co-relation queries the response was YES. [2024-10-13 09:56:40,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5995 conditions, 3834 events. 559/3834 cut-off events. For 384/390 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 37558 event pairs, 338 based on Foata normal form. 0/3582 useless extension candidates. Maximal degree in co-relation 5597. Up to 892 conditions per place. [2024-10-13 09:56:40,774 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-10-13 09:56:40,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 315 transitions, 836 flow [2024-10-13 09:56:40,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-10-13 09:56:40,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-10-13 09:56:40,776 INFO L175 Difference]: Start difference. First operand has 319 places, 313 transitions, 771 flow. Second operand 3 states and 1133 transitions. [2024-10-13 09:56:40,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 315 transitions, 836 flow [2024-10-13 09:56:40,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 315 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:40,782 INFO L231 Difference]: Finished difference. Result has 318 places, 312 transitions, 769 flow [2024-10-13 09:56:40,782 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=765, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=769, PETRI_PLACES=318, PETRI_TRANSITIONS=312} [2024-10-13 09:56:40,782 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -62 predicate places. [2024-10-13 09:56:40,783 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 312 transitions, 769 flow [2024-10-13 09:56:40,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:40,783 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:40,783 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] [2024-10-13 09:56:40,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 09:56:40,784 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:40,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash 156162351, now seen corresponding path program 1 times [2024-10-13 09:56:40,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:40,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624304243] [2024-10-13 09:56:40,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:40,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:40,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624304243] [2024-10-13 09:56:40,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624304243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:40,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:40,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:40,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927778548] [2024-10-13 09:56:40,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:40,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:40,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:40,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:40,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:40,876 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-10-13 09:56:40,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 312 transitions, 769 flow. Second operand has 3 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:40,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:40,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-10-13 09:56:40,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:41,137 INFO L124 PetriNetUnfolderBase]: 190/2134 cut-off events. [2024-10-13 09:56:41,137 INFO L125 PetriNetUnfolderBase]: For 185/189 co-relation queries the response was YES. [2024-10-13 09:56:41,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2967 conditions, 2134 events. 190/2134 cut-off events. For 185/189 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 17824 event pairs, 84 based on Foata normal form. 0/1989 useless extension candidates. Maximal degree in co-relation 2560. Up to 254 conditions per place. [2024-10-13 09:56:41,171 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2024-10-13 09:56:41,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 314 transitions, 834 flow [2024-10-13 09:56:41,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-10-13 09:56:41,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-10-13 09:56:41,174 INFO L175 Difference]: Start difference. First operand has 318 places, 312 transitions, 769 flow. Second operand 3 states and 1133 transitions. [2024-10-13 09:56:41,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 314 transitions, 834 flow [2024-10-13 09:56:41,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 314 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:41,180 INFO L231 Difference]: Finished difference. Result has 317 places, 311 transitions, 767 flow [2024-10-13 09:56:41,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=317, PETRI_TRANSITIONS=311} [2024-10-13 09:56:41,181 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -63 predicate places. [2024-10-13 09:56:41,181 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 311 transitions, 767 flow [2024-10-13 09:56:41,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:41,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:41,182 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:41,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 09:56:41,182 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:41,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:41,183 INFO L85 PathProgramCache]: Analyzing trace with hash -856879925, now seen corresponding path program 1 times [2024-10-13 09:56:41,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:41,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129318819] [2024-10-13 09:56:41,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:41,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:41,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:41,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129318819] [2024-10-13 09:56:41,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129318819] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:41,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:41,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:41,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675197136] [2024-10-13 09:56:41,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:41,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:41,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:41,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:41,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:41,258 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-10-13 09:56:41,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 311 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:41,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:41,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-10-13 09:56:41,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:41,586 INFO L124 PetriNetUnfolderBase]: 284/2714 cut-off events. [2024-10-13 09:56:41,587 INFO L125 PetriNetUnfolderBase]: For 106/115 co-relation queries the response was YES. [2024-10-13 09:56:41,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3919 conditions, 2714 events. 284/2714 cut-off events. For 106/115 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 24765 event pairs, 145 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 3520. Up to 339 conditions per place. [2024-10-13 09:56:41,631 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 28 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2024-10-13 09:56:41,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 313 transitions, 834 flow [2024-10-13 09:56:41,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-10-13 09:56:41,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-10-13 09:56:41,633 INFO L175 Difference]: Start difference. First operand has 317 places, 311 transitions, 767 flow. Second operand 3 states and 1131 transitions. [2024-10-13 09:56:41,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 313 transitions, 834 flow [2024-10-13 09:56:41,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 313 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:41,639 INFO L231 Difference]: Finished difference. Result has 316 places, 310 transitions, 765 flow [2024-10-13 09:56:41,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=316, PETRI_TRANSITIONS=310} [2024-10-13 09:56:41,640 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2024-10-13 09:56:41,640 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 310 transitions, 765 flow [2024-10-13 09:56:41,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:41,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:41,641 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] [2024-10-13 09:56:41,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 09:56:41,641 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:41,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:41,641 INFO L85 PathProgramCache]: Analyzing trace with hash 541891619, now seen corresponding path program 1 times [2024-10-13 09:56:41,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:41,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339321065] [2024-10-13 09:56:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:41,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:41,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339321065] [2024-10-13 09:56:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339321065] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:41,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:41,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:41,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068553622] [2024-10-13 09:56:41,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:41,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:41,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:41,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:41,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:41,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-10-13 09:56:41,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 310 transitions, 765 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:41,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:41,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-10-13 09:56:41,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:42,050 INFO L124 PetriNetUnfolderBase]: 313/2671 cut-off events. [2024-10-13 09:56:42,050 INFO L125 PetriNetUnfolderBase]: For 243/246 co-relation queries the response was YES. [2024-10-13 09:56:42,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3873 conditions, 2671 events. 313/2671 cut-off events. For 243/246 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 23974 event pairs, 169 based on Foata normal form. 0/2509 useless extension candidates. Maximal degree in co-relation 3794. Up to 440 conditions per place. [2024-10-13 09:56:42,106 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 29 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-10-13 09:56:42,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 312 transitions, 834 flow [2024-10-13 09:56:42,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-10-13 09:56:42,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-10-13 09:56:42,109 INFO L175 Difference]: Start difference. First operand has 316 places, 310 transitions, 765 flow. Second operand 3 states and 1131 transitions. [2024-10-13 09:56:42,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 312 transitions, 834 flow [2024-10-13 09:56:42,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 312 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:42,114 INFO L231 Difference]: Finished difference. Result has 315 places, 309 transitions, 763 flow [2024-10-13 09:56:42,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=763, PETRI_PLACES=315, PETRI_TRANSITIONS=309} [2024-10-13 09:56:42,115 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -65 predicate places. [2024-10-13 09:56:42,115 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 309 transitions, 763 flow [2024-10-13 09:56:42,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:42,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:42,116 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:42,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 09:56:42,116 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:42,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:42,116 INFO L85 PathProgramCache]: Analyzing trace with hash 41776435, now seen corresponding path program 1 times [2024-10-13 09:56:42,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:42,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206842337] [2024-10-13 09:56:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:42,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:42,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:42,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206842337] [2024-10-13 09:56:42,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206842337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:42,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:42,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:42,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674307681] [2024-10-13 09:56:42,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:42,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:42,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:42,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:42,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:42,204 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-10-13 09:56:42,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 309 transitions, 763 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:42,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:42,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-10-13 09:56:42,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:42,734 INFO L124 PetriNetUnfolderBase]: 571/3895 cut-off events. [2024-10-13 09:56:42,735 INFO L125 PetriNetUnfolderBase]: For 384/390 co-relation queries the response was YES. [2024-10-13 09:56:42,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6092 conditions, 3895 events. 571/3895 cut-off events. For 384/390 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 37555 event pairs, 338 based on Foata normal form. 0/3703 useless extension candidates. Maximal degree in co-relation 5808. Up to 892 conditions per place. [2024-10-13 09:56:42,807 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-10-13 09:56:42,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 311 transitions, 828 flow [2024-10-13 09:56:42,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-10-13 09:56:42,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-10-13 09:56:42,809 INFO L175 Difference]: Start difference. First operand has 315 places, 309 transitions, 763 flow. Second operand 3 states and 1133 transitions. [2024-10-13 09:56:42,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 311 transitions, 828 flow [2024-10-13 09:56:42,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 311 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:42,815 INFO L231 Difference]: Finished difference. Result has 314 places, 308 transitions, 761 flow [2024-10-13 09:56:42,815 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=757, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=761, PETRI_PLACES=314, PETRI_TRANSITIONS=308} [2024-10-13 09:56:42,815 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -66 predicate places. [2024-10-13 09:56:42,816 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 308 transitions, 761 flow [2024-10-13 09:56:42,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:42,816 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:42,816 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:42,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-13 09:56:42,817 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:42,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:42,817 INFO L85 PathProgramCache]: Analyzing trace with hash 972063466, now seen corresponding path program 1 times [2024-10-13 09:56:42,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:42,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017936837] [2024-10-13 09:56:42,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:42,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:42,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:42,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:42,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017936837] [2024-10-13 09:56:42,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017936837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:42,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:42,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:42,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921297519] [2024-10-13 09:56:42,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:42,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:42,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:42,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:42,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:42,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-10-13 09:56:42,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 308 transitions, 761 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:42,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:42,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-10-13 09:56:42,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:43,154 INFO L124 PetriNetUnfolderBase]: 190/2090 cut-off events. [2024-10-13 09:56:43,155 INFO L125 PetriNetUnfolderBase]: For 184/188 co-relation queries the response was YES. [2024-10-13 09:56:43,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2923 conditions, 2090 events. 190/2090 cut-off events. For 184/188 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 17422 event pairs, 84 based on Foata normal form. 0/1983 useless extension candidates. Maximal degree in co-relation 2720. Up to 254 conditions per place. [2024-10-13 09:56:43,189 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-10-13 09:56:43,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 310 transitions, 826 flow [2024-10-13 09:56:43,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-10-13 09:56:43,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-10-13 09:56:43,192 INFO L175 Difference]: Start difference. First operand has 314 places, 308 transitions, 761 flow. Second operand 3 states and 1133 transitions. [2024-10-13 09:56:43,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 310 transitions, 826 flow [2024-10-13 09:56:43,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 310 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:43,197 INFO L231 Difference]: Finished difference. Result has 313 places, 307 transitions, 759 flow [2024-10-13 09:56:43,197 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=759, PETRI_PLACES=313, PETRI_TRANSITIONS=307} [2024-10-13 09:56:43,197 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -67 predicate places. [2024-10-13 09:56:43,198 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 759 flow [2024-10-13 09:56:43,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:43,198 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:43,198 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] [2024-10-13 09:56:43,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-13 09:56:43,199 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:43,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:43,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1502549434, now seen corresponding path program 1 times [2024-10-13 09:56:43,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:43,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958005250] [2024-10-13 09:56:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:43,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:43,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:43,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958005250] [2024-10-13 09:56:43,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958005250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:43,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:43,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:43,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600889866] [2024-10-13 09:56:43,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:43,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:43,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:43,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:43,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:43,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-10-13 09:56:43,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 307 transitions, 759 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:43,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:43,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-10-13 09:56:43,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:43,667 INFO L124 PetriNetUnfolderBase]: 313/2614 cut-off events. [2024-10-13 09:56:43,668 INFO L125 PetriNetUnfolderBase]: For 245/248 co-relation queries the response was YES. [2024-10-13 09:56:43,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3826 conditions, 2614 events. 313/2614 cut-off events. For 245/248 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 23193 event pairs, 169 based on Foata normal form. 0/2497 useless extension candidates. Maximal degree in co-relation 3616. Up to 440 conditions per place. [2024-10-13 09:56:43,693 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 29 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-10-13 09:56:43,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 828 flow [2024-10-13 09:56:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:43,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-10-13 09:56:43,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-10-13 09:56:43,696 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 759 flow. Second operand 3 states and 1131 transitions. [2024-10-13 09:56:43,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 828 flow [2024-10-13 09:56:43,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 309 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:43,701 INFO L231 Difference]: Finished difference. Result has 312 places, 306 transitions, 757 flow [2024-10-13 09:56:43,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=753, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=757, PETRI_PLACES=312, PETRI_TRANSITIONS=306} [2024-10-13 09:56:43,703 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -68 predicate places. [2024-10-13 09:56:43,703 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 757 flow [2024-10-13 09:56:43,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:43,704 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:43,704 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:43,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-13 09:56:43,704 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-10-13 09:56:43,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:43,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2105120155, now seen corresponding path program 1 times [2024-10-13 09:56:43,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:43,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507018566] [2024-10-13 09:56:43,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:43,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:43,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:43,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507018566] [2024-10-13 09:56:43,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507018566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:43,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:43,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:56:43,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282119876] [2024-10-13 09:56:43,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:43,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:56:43,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:43,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:56:43,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:56:43,782 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-10-13 09:56:43,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 306 transitions, 757 flow. Second operand has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:43,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:43,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-10-13 09:56:43,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:44,036 INFO L124 PetriNetUnfolderBase]: 190/2066 cut-off events. [2024-10-13 09:56:44,040 INFO L125 PetriNetUnfolderBase]: For 175/179 co-relation queries the response was YES. [2024-10-13 09:56:44,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2881 conditions, 2066 events. 190/2066 cut-off events. For 175/179 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 17178 event pairs, 84 based on Foata normal form. 0/1977 useless extension candidates. Maximal degree in co-relation 2769. Up to 254 conditions per place. [2024-10-13 09:56:44,071 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 0 selfloop transitions, 0 changer transitions 308/308 dead transitions. [2024-10-13 09:56:44,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 308 transitions, 822 flow [2024-10-13 09:56:44,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:44,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:44,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-10-13 09:56:44,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-10-13 09:56:44,074 INFO L175 Difference]: Start difference. First operand has 312 places, 306 transitions, 757 flow. Second operand 3 states and 1133 transitions. [2024-10-13 09:56:44,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 308 transitions, 822 flow [2024-10-13 09:56:44,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 308 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:44,079 INFO L231 Difference]: Finished difference. Result has 311 places, 0 transitions, 0 flow [2024-10-13 09:56:44,079 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=311, PETRI_TRANSITIONS=0} [2024-10-13 09:56:44,080 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -69 predicate places. [2024-10-13 09:56:44,080 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 0 transitions, 0 flow [2024-10-13 09:56:44,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:44,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (130 of 131 remaining) [2024-10-13 09:56:44,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (129 of 131 remaining) [2024-10-13 09:56:44,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (128 of 131 remaining) [2024-10-13 09:56:44,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (127 of 131 remaining) [2024-10-13 09:56:44,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (126 of 131 remaining) [2024-10-13 09:56:44,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (125 of 131 remaining) [2024-10-13 09:56:44,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (124 of 131 remaining) [2024-10-13 09:56:44,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (123 of 131 remaining) [2024-10-13 09:56:44,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (122 of 131 remaining) [2024-10-13 09:56:44,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (121 of 131 remaining) [2024-10-13 09:56:44,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (120 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (119 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (118 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (117 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (116 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (115 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (114 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (113 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (112 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (111 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (110 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (109 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (108 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (107 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (106 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (105 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (104 of 131 remaining) [2024-10-13 09:56:44,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (103 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (102 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (101 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (100 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (99 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (98 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (97 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (96 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (95 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (94 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (93 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (92 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (91 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (90 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (89 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (88 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (87 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (86 of 131 remaining) [2024-10-13 09:56:44,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (85 of 131 remaining) [2024-10-13 09:56:44,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (84 of 131 remaining) [2024-10-13 09:56:44,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (83 of 131 remaining) [2024-10-13 09:56:44,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (82 of 131 remaining) [2024-10-13 09:56:44,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (81 of 131 remaining) [2024-10-13 09:56:44,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (80 of 131 remaining) [2024-10-13 09:56:44,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (79 of 131 remaining) [2024-10-13 09:56:44,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (78 of 131 remaining) [2024-10-13 09:56:44,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (77 of 131 remaining) [2024-10-13 09:56:44,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (76 of 131 remaining) [2024-10-13 09:56:44,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (75 of 131 remaining) [2024-10-13 09:56:44,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (74 of 131 remaining) [2024-10-13 09:56:44,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 131 remaining) [2024-10-13 09:56:44,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 131 remaining) [2024-10-13 09:56:44,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 131 remaining) [2024-10-13 09:56:44,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 131 remaining) [2024-10-13 09:56:44,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (69 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (68 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (67 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (66 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (65 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (64 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (63 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (62 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (61 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (60 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (59 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (58 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (57 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (56 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 131 remaining) [2024-10-13 09:56:44,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (43 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (42 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 131 remaining) [2024-10-13 09:56:44,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (33 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (31 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (30 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (29 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (28 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 131 remaining) [2024-10-13 09:56:44,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (23 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (22 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (21 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (20 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (19 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (18 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (17 of 131 remaining) [2024-10-13 09:56:44,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (16 of 131 remaining) [2024-10-13 09:56:44,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (15 of 131 remaining) [2024-10-13 09:56:44,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (14 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (11 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (10 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (9 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (8 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (7 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (6 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (5 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (4 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (3 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (2 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (1 of 131 remaining) [2024-10-13 09:56:44,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (0 of 131 remaining) [2024-10-13 09:56:44,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 09:56:44,104 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:56:44,111 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:56:44,112 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:56:44,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:56:44 BasicIcfg [2024-10-13 09:56:44,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:56:44,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:56:44,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:56:44,119 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:56:44,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:56:28" (3/4) ... [2024-10-13 09:56:44,120 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:56:44,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 09:56:44,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 09:56:44,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-13 09:56:44,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-13 09:56:44,129 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-13 09:56:44,129 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:56:44,130 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 09:56:44,130 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:56:44,209 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:56:44,210 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:56:44,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:56:44,211 INFO L158 Benchmark]: Toolchain (without parser) took 16938.29ms. Allocated memory was 192.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 163.9MB in the beginning and 857.7MB in the end (delta: -693.9MB). Peak memory consumption was 333.0MB. Max. memory is 16.1GB. [2024-10-13 09:56:44,213 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:56:44,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.10ms. Allocated memory is still 192.9MB. Free memory was 163.5MB in the beginning and 149.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 09:56:44,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.77ms. Allocated memory is still 192.9MB. Free memory was 149.9MB in the beginning and 147.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:56:44,214 INFO L158 Benchmark]: Boogie Preprocessor took 25.88ms. Allocated memory is still 192.9MB. Free memory was 147.8MB in the beginning and 146.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:56:44,214 INFO L158 Benchmark]: RCFGBuilder took 741.26ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 118.2MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-13 09:56:44,214 INFO L158 Benchmark]: TraceAbstraction took 15807.19ms. Allocated memory was 192.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 117.4MB in the beginning and 864.0MB in the end (delta: -746.6MB). Peak memory consumption was 280.6MB. Max. memory is 16.1GB. [2024-10-13 09:56:44,215 INFO L158 Benchmark]: Witness Printer took 91.42ms. Allocated memory is still 1.2GB. Free memory was 864.0MB in the beginning and 857.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 09:56:44,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.10ms. Allocated memory is still 192.9MB. Free memory was 163.5MB in the beginning and 149.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.77ms. Allocated memory is still 192.9MB. Free memory was 149.9MB in the beginning and 147.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.88ms. Allocated memory is still 192.9MB. Free memory was 147.8MB in the beginning and 146.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.26ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 118.2MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 15807.19ms. Allocated memory was 192.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 117.4MB in the beginning and 864.0MB in the end (delta: -746.6MB). Peak memory consumption was 280.6MB. Max. memory is 16.1GB. * Witness Printer took 91.42ms. Allocated memory is still 1.2GB. Free memory was 864.0MB in the beginning and 857.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 630 locations, 131 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.6s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2566 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 824 mSDsluCounter, 544 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2581 IncrementalHoareTripleChecker+Invalid, 2747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 166 mSolverCounterUnsat, 536 mSDtfsCounter, 2581 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=785occurred in iteration=12, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2347 NumberOfCodeBlocks, 2347 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2320 ConstructedInterpolants, 0 QuantifiedInterpolants, 2374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 71 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:56:44,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE