./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/popl20-more-dec-subseq.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/popl20-more-dec-subseq.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 10:00:12,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 10:00:12,358 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 10:00:12,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 10:00:12,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 10:00:12,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 10:00:12,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 10:00:12,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 10:00:12,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 10:00:12,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 10:00:12,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 10:00:12,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 10:00:12,378 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 10:00:12,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 10:00:12,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 10:00:12,379 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 10:00:12,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 10:00:12,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 10:00:12,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 10:00:12,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 10:00:12,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 10:00:12,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 10:00:12,381 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 10:00:12,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 10:00:12,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 10:00:12,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 10:00:12,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 10:00:12,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 10:00:12,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 10:00:12,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 10:00:12,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 10:00:12,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:00:12,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 10:00:12,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 10:00:12,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 10:00:12,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 10:00:12,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 10:00:12,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 10:00:12,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 10:00:12,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 10:00:12,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 10:00:12,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b [2024-10-13 10:00:12,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 10:00:12,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 10:00:12,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 10:00:12,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 10:00:12,606 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 10:00:12,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2024-10-13 10:00:13,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 10:00:13,943 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 10:00:13,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2024-10-13 10:00:13,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e38869bc/89c412d67e934cfd982c6b2bba4c27bb/FLAGd84904746 [2024-10-13 10:00:13,959 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e38869bc/89c412d67e934cfd982c6b2bba4c27bb [2024-10-13 10:00:13,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 10:00:13,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 10:00:13,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 10:00:13,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 10:00:13,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 10:00:13,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:00:13" (1/1) ... [2024-10-13 10:00:13,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308e64ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:13, skipping insertion in model container [2024-10-13 10:00:13,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:00:13" (1/1) ... [2024-10-13 10:00:13,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 10:00:14,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:00:14,232 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 10:00:14,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:00:14,282 INFO L204 MainTranslator]: Completed translation [2024-10-13 10:00:14,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14 WrapperNode [2024-10-13 10:00:14,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 10:00:14,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 10:00:14,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 10:00:14,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 10:00:14,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,340 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 407 [2024-10-13 10:00:14,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 10:00:14,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 10:00:14,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 10:00:14,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 10:00:14,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 10:00:14,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 10:00:14,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 10:00:14,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 10:00:14,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (1/1) ... [2024-10-13 10:00:14,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:00:14,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 10:00:14,419 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 10:00:14,424 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 10:00:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 10:00:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 10:00:14,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 10:00:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 10:00:14,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 10:00:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 10:00:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 10:00:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 10:00:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 10:00:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 10:00:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 10:00:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 10:00:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 10:00:14,458 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 10:00:14,561 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 10:00:14,562 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 10:00:14,999 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 10:00:15,000 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 10:00:15,259 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 10:00:15,259 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-13 10:00:15,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:15 BoogieIcfgContainer [2024-10-13 10:00:15,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 10:00:15,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 10:00:15,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 10:00:15,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 10:00:15,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:00:13" (1/3) ... [2024-10-13 10:00:15,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b63dfda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:00:15, skipping insertion in model container [2024-10-13 10:00:15,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:14" (2/3) ... [2024-10-13 10:00:15,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b63dfda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:00:15, skipping insertion in model container [2024-10-13 10:00:15,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:15" (3/3) ... [2024-10-13 10:00:15,267 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2024-10-13 10:00:15,280 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 10:00:15,280 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2024-10-13 10:00:15,280 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 10:00:15,355 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 10:00:15,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 364 places, 373 transitions, 760 flow [2024-10-13 10:00:15,485 INFO L124 PetriNetUnfolderBase]: 16/371 cut-off events. [2024-10-13 10:00:15,486 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 10:00:15,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 371 events. 16/371 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 617 event pairs, 0 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2024-10-13 10:00:15,495 INFO L82 GeneralOperation]: Start removeDead. Operand has 364 places, 373 transitions, 760 flow [2024-10-13 10:00:15,504 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 354 transitions, 720 flow [2024-10-13 10:00:15,517 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 10:00:15,523 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;@3389de2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 10:00:15,524 INFO L334 AbstractCegarLoop]: Starting to check reachability of 117 error locations. [2024-10-13 10:00:15,528 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 10:00:15,528 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-10-13 10:00:15,531 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 10:00:15,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:15,532 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:15,532 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:15,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:15,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1273851596, now seen corresponding path program 1 times [2024-10-13 10:00:15,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:15,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542868211] [2024-10-13 10:00:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:15,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:15,700 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 10:00:15,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:15,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542868211] [2024-10-13 10:00:15,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542868211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:15,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:15,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:15,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77726945] [2024-10-13 10:00:15,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:15,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:15,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:15,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:15,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:15,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-13 10:00:15,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 354 transitions, 720 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 10:00:15,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:15,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-13 10:00:15,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:15,908 INFO L124 PetriNetUnfolderBase]: 40/483 cut-off events. [2024-10-13 10:00:15,908 INFO L125 PetriNetUnfolderBase]: For 36/37 co-relation queries the response was YES. [2024-10-13 10:00:15,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 483 events. 40/483 cut-off events. For 36/37 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1356 event pairs, 13 based on Foata normal form. 22/407 useless extension candidates. Maximal degree in co-relation 278. Up to 61 conditions per place. [2024-10-13 10:00:15,912 INFO L140 encePairwiseOnDemand]: 329/373 looper letters, 15 selfloop transitions, 2 changer transitions 5/312 dead transitions. [2024-10-13 10:00:15,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 312 transitions, 670 flow [2024-10-13 10:00:15,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 992 transitions. [2024-10-13 10:00:15,930 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8865058087578195 [2024-10-13 10:00:15,931 INFO L175 Difference]: Start difference. First operand has 346 places, 354 transitions, 720 flow. Second operand 3 states and 992 transitions. [2024-10-13 10:00:15,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 312 transitions, 670 flow [2024-10-13 10:00:15,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 312 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 10:00:15,941 INFO L231 Difference]: Finished difference. Result has 311 places, 307 transitions, 622 flow [2024-10-13 10:00:15,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=309, 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=622, PETRI_PLACES=311, PETRI_TRANSITIONS=307} [2024-10-13 10:00:15,946 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -35 predicate places. [2024-10-13 10:00:15,946 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 307 transitions, 622 flow [2024-10-13 10:00:15,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 10:00:15,947 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:15,948 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:15,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 10:00:15,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:15,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:15,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1776044597, now seen corresponding path program 1 times [2024-10-13 10:00:15,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:15,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254760391] [2024-10-13 10:00:15,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:15,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:16,010 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 10:00:16,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:16,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254760391] [2024-10-13 10:00:16,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254760391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:16,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:16,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:16,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066558067] [2024-10-13 10:00:16,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:16,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:16,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:16,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:16,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:16,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-13 10:00:16,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 10:00:16,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:16,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-13 10:00:16,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:16,116 INFO L124 PetriNetUnfolderBase]: 26/481 cut-off events. [2024-10-13 10:00:16,117 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 10:00:16,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 481 events. 26/481 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1271 event pairs, 10 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 503. Up to 44 conditions per place. [2024-10-13 10:00:16,119 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-10-13 10:00:16,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 306 transitions, 654 flow [2024-10-13 10:00:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:16,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-10-13 10:00:16,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-10-13 10:00:16,124 INFO L175 Difference]: Start difference. First operand has 311 places, 307 transitions, 622 flow. Second operand 3 states and 951 transitions. [2024-10-13 10:00:16,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 306 transitions, 654 flow [2024-10-13 10:00:16,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 306 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:16,130 INFO L231 Difference]: Finished difference. Result has 305 places, 306 transitions, 620 flow [2024-10-13 10:00:16,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=303, 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=620, PETRI_PLACES=305, PETRI_TRANSITIONS=306} [2024-10-13 10:00:16,131 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -41 predicate places. [2024-10-13 10:00:16,131 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 306 transitions, 620 flow [2024-10-13 10:00:16,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 10:00:16,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:16,132 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:16,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 10:00:16,132 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:16,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:16,133 INFO L85 PathProgramCache]: Analyzing trace with hash 916069336, now seen corresponding path program 1 times [2024-10-13 10:00:16,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:16,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234467842] [2024-10-13 10:00:16,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:16,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:16,190 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 10:00:16,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:16,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234467842] [2024-10-13 10:00:16,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234467842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:16,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:16,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:16,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133758797] [2024-10-13 10:00:16,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:16,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:16,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:16,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:16,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:16,204 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-13 10:00:16,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 306 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 10:00:16,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:16,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-13 10:00:16,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:16,287 INFO L124 PetriNetUnfolderBase]: 28/464 cut-off events. [2024-10-13 10:00:16,287 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-13 10:00:16,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 464 events. 28/464 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1169 event pairs, 7 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 474. Up to 41 conditions per place. [2024-10-13 10:00:16,291 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-10-13 10:00:16,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 648 flow [2024-10-13 10:00:16,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-10-13 10:00:16,294 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534405719392315 [2024-10-13 10:00:16,294 INFO L175 Difference]: Start difference. First operand has 305 places, 306 transitions, 620 flow. Second operand 3 states and 955 transitions. [2024-10-13 10:00:16,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 648 flow [2024-10-13 10:00:16,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 305 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:16,298 INFO L231 Difference]: Finished difference. Result has 304 places, 305 transitions, 618 flow [2024-10-13 10:00:16,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=304, PETRI_TRANSITIONS=305} [2024-10-13 10:00:16,299 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -42 predicate places. [2024-10-13 10:00:16,300 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 305 transitions, 618 flow [2024-10-13 10:00:16,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 10:00:16,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:16,301 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:16,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 10:00:16,301 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:16,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:16,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2144174226, now seen corresponding path program 1 times [2024-10-13 10:00:16,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:16,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570822770] [2024-10-13 10:00:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:16,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:16,339 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 10:00:16,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:16,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570822770] [2024-10-13 10:00:16,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570822770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:16,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:16,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:16,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922648706] [2024-10-13 10:00:16,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:16,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:16,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:16,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:16,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:16,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-13 10:00:16,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 305 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 10:00:16,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:16,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-13 10:00:16,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:16,420 INFO L124 PetriNetUnfolderBase]: 28/463 cut-off events. [2024-10-13 10:00:16,421 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-13 10:00:16,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 463 events. 28/463 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1170 event pairs, 7 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 465. Up to 41 conditions per place. [2024-10-13 10:00:16,423 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-10-13 10:00:16,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 304 transitions, 646 flow [2024-10-13 10:00:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-10-13 10:00:16,426 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534405719392315 [2024-10-13 10:00:16,426 INFO L175 Difference]: Start difference. First operand has 304 places, 305 transitions, 618 flow. Second operand 3 states and 955 transitions. [2024-10-13 10:00:16,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 304 transitions, 646 flow [2024-10-13 10:00:16,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 304 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:16,431 INFO L231 Difference]: Finished difference. Result has 303 places, 304 transitions, 616 flow [2024-10-13 10:00:16,431 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=303, PETRI_TRANSITIONS=304} [2024-10-13 10:00:16,432 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-10-13 10:00:16,432 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 304 transitions, 616 flow [2024-10-13 10:00:16,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 10:00:16,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:16,433 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:16,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 10:00:16,433 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:16,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:16,434 INFO L85 PathProgramCache]: Analyzing trace with hash 486584430, now seen corresponding path program 1 times [2024-10-13 10:00:16,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:16,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151246014] [2024-10-13 10:00:16,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:16,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:16,462 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 10:00:16,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:16,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151246014] [2024-10-13 10:00:16,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151246014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:16,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:16,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:16,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161424584] [2024-10-13 10:00:16,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:16,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:16,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:16,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:16,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:16,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 373 [2024-10-13 10:00:16,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 10:00:16,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:16,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 373 [2024-10-13 10:00:16,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:16,543 INFO L124 PetriNetUnfolderBase]: 34/491 cut-off events. [2024-10-13 10:00:16,543 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-10-13 10:00:16,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 491 events. 34/491 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1434 event pairs, 4 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 493. Up to 27 conditions per place. [2024-10-13 10:00:16,546 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-10-13 10:00:16,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 308 transitions, 660 flow [2024-10-13 10:00:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-10-13 10:00:16,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8659517426273459 [2024-10-13 10:00:16,548 INFO L175 Difference]: Start difference. First operand has 303 places, 304 transitions, 616 flow. Second operand 3 states and 969 transitions. [2024-10-13 10:00:16,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 308 transitions, 660 flow [2024-10-13 10:00:16,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:16,552 INFO L231 Difference]: Finished difference. Result has 303 places, 304 transitions, 620 flow [2024-10-13 10:00:16,553 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=303, PETRI_TRANSITIONS=304} [2024-10-13 10:00:16,554 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-10-13 10:00:16,555 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 304 transitions, 620 flow [2024-10-13 10:00:16,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 10:00:16,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:16,555 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 10:00:16,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 10:00:16,556 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:16,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:16,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1433388777, now seen corresponding path program 1 times [2024-10-13 10:00:16,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:16,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650259629] [2024-10-13 10:00:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:16,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:16,600 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 10:00:16,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:16,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650259629] [2024-10-13 10:00:16,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650259629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:16,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:16,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:16,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202062753] [2024-10-13 10:00:16,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:16,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:16,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:16,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:16,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:16,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-10-13 10:00:16,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 304 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:16,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:16,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-10-13 10:00:16,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:16,682 INFO L124 PetriNetUnfolderBase]: 34/490 cut-off events. [2024-10-13 10:00:16,682 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-10-13 10:00:16,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 490 events. 34/490 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1428 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 309. Up to 51 conditions per place. [2024-10-13 10:00:16,684 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-10-13 10:00:16,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 303 transitions, 648 flow [2024-10-13 10:00:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:16,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-13 10:00:16,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-10-13 10:00:16,687 INFO L175 Difference]: Start difference. First operand has 303 places, 304 transitions, 620 flow. Second operand 3 states and 957 transitions. [2024-10-13 10:00:16,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 303 transitions, 648 flow [2024-10-13 10:00:16,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 303 transitions, 646 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:16,691 INFO L231 Difference]: Finished difference. Result has 303 places, 303 transitions, 620 flow [2024-10-13 10:00:16,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=303, PETRI_TRANSITIONS=303} [2024-10-13 10:00:16,692 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-10-13 10:00:16,692 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 303 transitions, 620 flow [2024-10-13 10:00:16,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:16,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:16,693 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:16,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 10:00:16,693 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:16,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1521309850, now seen corresponding path program 1 times [2024-10-13 10:00:16,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:16,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741689472] [2024-10-13 10:00:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:16,732 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 10:00:16,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:16,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741689472] [2024-10-13 10:00:16,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741689472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:16,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:16,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:16,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709806745] [2024-10-13 10:00:16,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:16,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:16,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:16,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:16,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:16,741 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 373 [2024-10-13 10:00:16,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 10:00:16,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:16,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 373 [2024-10-13 10:00:16,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:16,801 INFO L124 PetriNetUnfolderBase]: 34/489 cut-off events. [2024-10-13 10:00:16,801 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-10-13 10:00:16,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 489 events. 34/489 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1426 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 492. Up to 49 conditions per place. [2024-10-13 10:00:16,803 INFO L140 encePairwiseOnDemand]: 371/373 looper letters, 12 selfloop transitions, 1 changer transitions 0/302 dead transitions. [2024-10-13 10:00:16,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 302 transitions, 644 flow [2024-10-13 10:00:16,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-13 10:00:16,805 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614834673815907 [2024-10-13 10:00:16,806 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 620 flow. Second operand 3 states and 964 transitions. [2024-10-13 10:00:16,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 302 transitions, 644 flow [2024-10-13 10:00:16,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:16,810 INFO L231 Difference]: Finished difference. Result has 302 places, 302 transitions, 616 flow [2024-10-13 10:00:16,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=302, PETRI_TRANSITIONS=302} [2024-10-13 10:00:16,811 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -44 predicate places. [2024-10-13 10:00:16,811 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 302 transitions, 616 flow [2024-10-13 10:00:16,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 10:00:16,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:16,813 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 10:00:16,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 10:00:16,813 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:16,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:16,813 INFO L85 PathProgramCache]: Analyzing trace with hash -538768926, now seen corresponding path program 1 times [2024-10-13 10:00:16,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:16,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127909197] [2024-10-13 10:00:16,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:16,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:17,187 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 10:00:17,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:17,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127909197] [2024-10-13 10:00:17,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127909197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:17,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:17,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 10:00:17,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75457396] [2024-10-13 10:00:17,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:17,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 10:00:17,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:17,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 10:00:17,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 10:00:17,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 373 [2024-10-13 10:00:17,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 302 transitions, 616 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 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 10:00:17,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:17,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 373 [2024-10-13 10:00:17,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:17,455 INFO L124 PetriNetUnfolderBase]: 73/656 cut-off events. [2024-10-13 10:00:17,455 INFO L125 PetriNetUnfolderBase]: For 34/35 co-relation queries the response was YES. [2024-10-13 10:00:17,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 656 events. 73/656 cut-off events. For 34/35 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2651 event pairs, 42 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 786. Up to 144 conditions per place. [2024-10-13 10:00:17,459 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 38 selfloop transitions, 10 changer transitions 0/300 dead transitions. [2024-10-13 10:00:17,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 300 transitions, 708 flow [2024-10-13 10:00:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 10:00:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 10:00:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1735 transitions. [2024-10-13 10:00:17,463 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7752457551385166 [2024-10-13 10:00:17,463 INFO L175 Difference]: Start difference. First operand has 302 places, 302 transitions, 616 flow. Second operand 6 states and 1735 transitions. [2024-10-13 10:00:17,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 300 transitions, 708 flow [2024-10-13 10:00:17,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 300 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:17,467 INFO L231 Difference]: Finished difference. Result has 304 places, 300 transitions, 631 flow [2024-10-13 10:00:17,467 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=631, PETRI_PLACES=304, PETRI_TRANSITIONS=300} [2024-10-13 10:00:17,468 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -42 predicate places. [2024-10-13 10:00:17,469 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 300 transitions, 631 flow [2024-10-13 10:00:17,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 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 10:00:17,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:17,471 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 10:00:17,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 10:00:17,471 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:17,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:17,471 INFO L85 PathProgramCache]: Analyzing trace with hash -371839761, now seen corresponding path program 1 times [2024-10-13 10:00:17,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:17,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765313719] [2024-10-13 10:00:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:17,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:17,517 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 10:00:17,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:17,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765313719] [2024-10-13 10:00:17,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765313719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:17,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:17,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:17,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816831525] [2024-10-13 10:00:17,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:17,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:17,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:17,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:17,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:17,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-10-13 10:00:17,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 300 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:17,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:17,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-10-13 10:00:17,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:17,596 INFO L124 PetriNetUnfolderBase]: 34/486 cut-off events. [2024-10-13 10:00:17,596 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-10-13 10:00:17,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 486 events. 34/486 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1440 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 531. Up to 51 conditions per place. [2024-10-13 10:00:17,599 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2024-10-13 10:00:17,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 299 transitions, 659 flow [2024-10-13 10:00:17,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-13 10:00:17,601 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-10-13 10:00:17,601 INFO L175 Difference]: Start difference. First operand has 304 places, 300 transitions, 631 flow. Second operand 3 states and 957 transitions. [2024-10-13 10:00:17,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 299 transitions, 659 flow [2024-10-13 10:00:17,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 299 transitions, 639 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 10:00:17,605 INFO L231 Difference]: Finished difference. Result has 300 places, 299 transitions, 613 flow [2024-10-13 10:00:17,605 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=300, PETRI_TRANSITIONS=299} [2024-10-13 10:00:17,606 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -46 predicate places. [2024-10-13 10:00:17,607 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 299 transitions, 613 flow [2024-10-13 10:00:17,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:17,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:17,607 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] [2024-10-13 10:00:17,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 10:00:17,608 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:17,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:17,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1981711545, now seen corresponding path program 1 times [2024-10-13 10:00:17,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:17,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220310693] [2024-10-13 10:00:17,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:17,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:17,649 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 10:00:17,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:17,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220310693] [2024-10-13 10:00:17,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220310693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:17,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:17,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:17,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128671248] [2024-10-13 10:00:17,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:17,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:17,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:17,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:17,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:17,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-13 10:00:17,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 299 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 10:00:17,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:17,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-13 10:00:17,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:17,732 INFO L124 PetriNetUnfolderBase]: 37/537 cut-off events. [2024-10-13 10:00:17,732 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-13 10:00:17,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 537 events. 37/537 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1665 event pairs, 18 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 561. Up to 63 conditions per place. [2024-10-13 10:00:17,735 INFO L140 encePairwiseOnDemand]: 369/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/296 dead transitions. [2024-10-13 10:00:17,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 296 transitions, 641 flow [2024-10-13 10:00:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:17,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-10-13 10:00:17,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8507596067917784 [2024-10-13 10:00:17,737 INFO L175 Difference]: Start difference. First operand has 300 places, 299 transitions, 613 flow. Second operand 3 states and 952 transitions. [2024-10-13 10:00:17,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 296 transitions, 641 flow [2024-10-13 10:00:17,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 637 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:17,742 INFO L231 Difference]: Finished difference. Result has 297 places, 296 transitions, 605 flow [2024-10-13 10:00:17,743 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=605, PETRI_PLACES=297, PETRI_TRANSITIONS=296} [2024-10-13 10:00:17,744 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-10-13 10:00:17,744 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 296 transitions, 605 flow [2024-10-13 10:00:17,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 10:00:17,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:17,745 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] [2024-10-13 10:00:17,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 10:00:17,745 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:17,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:17,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1844863227, now seen corresponding path program 1 times [2024-10-13 10:00:17,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:17,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543789896] [2024-10-13 10:00:17,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:17,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:17,783 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 10:00:17,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:17,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543789896] [2024-10-13 10:00:17,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543789896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:17,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:17,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:17,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032080797] [2024-10-13 10:00:17,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:17,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:17,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:17,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:17,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:17,802 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-13 10:00:17,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 296 transitions, 605 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 10:00:17,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:17,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-13 10:00:17,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:17,885 INFO L124 PetriNetUnfolderBase]: 45/595 cut-off events. [2024-10-13 10:00:17,885 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-10-13 10:00:17,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 595 events. 45/595 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2192 event pairs, 18 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 627. Up to 72 conditions per place. [2024-10-13 10:00:17,888 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-10-13 10:00:17,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 295 transitions, 639 flow [2024-10-13 10:00:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:17,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-10-13 10:00:17,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-10-13 10:00:17,891 INFO L175 Difference]: Start difference. First operand has 297 places, 296 transitions, 605 flow. Second operand 3 states and 951 transitions. [2024-10-13 10:00:17,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 295 transitions, 639 flow [2024-10-13 10:00:17,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 295 transitions, 638 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:17,895 INFO L231 Difference]: Finished difference. Result has 297 places, 295 transitions, 606 flow [2024-10-13 10:00:17,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=297, PETRI_TRANSITIONS=295} [2024-10-13 10:00:17,896 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-10-13 10:00:17,896 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 295 transitions, 606 flow [2024-10-13 10:00:17,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 10:00:17,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:17,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:17,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 10:00:17,897 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:17,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:17,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1421803922, now seen corresponding path program 1 times [2024-10-13 10:00:17,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:17,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939980657] [2024-10-13 10:00:17,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:17,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:17,942 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 10:00:17,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:17,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939980657] [2024-10-13 10:00:17,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939980657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:17,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:17,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:17,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557908833] [2024-10-13 10:00:17,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:17,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:17,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:17,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:17,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:17,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-13 10:00:17,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 295 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 10:00:17,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:17,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-13 10:00:17,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:18,024 INFO L124 PetriNetUnfolderBase]: 53/616 cut-off events. [2024-10-13 10:00:18,024 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2024-10-13 10:00:18,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 616 events. 53/616 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2344 event pairs, 26 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 670. Up to 85 conditions per place. [2024-10-13 10:00:18,027 INFO L140 encePairwiseOnDemand]: 369/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/292 dead transitions. [2024-10-13 10:00:18,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 292 transitions, 634 flow [2024-10-13 10:00:18,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-10-13 10:00:18,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8507596067917784 [2024-10-13 10:00:18,030 INFO L175 Difference]: Start difference. First operand has 297 places, 295 transitions, 606 flow. Second operand 3 states and 952 transitions. [2024-10-13 10:00:18,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 292 transitions, 634 flow [2024-10-13 10:00:18,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 292 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:18,033 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 598 flow [2024-10-13 10:00:18,034 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2024-10-13 10:00:18,034 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-10-13 10:00:18,035 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 598 flow [2024-10-13 10:00:18,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 10:00:18,035 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:18,035 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:18,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 10:00:18,036 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:18,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:18,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1749111059, now seen corresponding path program 1 times [2024-10-13 10:00:18,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:18,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954877267] [2024-10-13 10:00:18,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:18,297 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 10:00:18,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954877267] [2024-10-13 10:00:18,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954877267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:18,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:18,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 10:00:18,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878682445] [2024-10-13 10:00:18,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:18,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 10:00:18,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:18,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 10:00:18,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 10:00:18,449 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 373 [2024-10-13 10:00:18,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 306.1666666666667) internal successors, (1837), 6 states have internal predecessors, (1837), 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 10:00:18,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:18,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 373 [2024-10-13 10:00:18,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:18,519 INFO L124 PetriNetUnfolderBase]: 34/476 cut-off events. [2024-10-13 10:00:18,519 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-10-13 10:00:18,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 476 events. 34/476 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1387 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 492. Up to 49 conditions per place. [2024-10-13 10:00:18,521 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 21 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2024-10-13 10:00:18,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 291 transitions, 646 flow [2024-10-13 10:00:18,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 10:00:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 10:00:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1855 transitions. [2024-10-13 10:00:18,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8288650580875782 [2024-10-13 10:00:18,524 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 598 flow. Second operand 6 states and 1855 transitions. [2024-10-13 10:00:18,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 291 transitions, 646 flow [2024-10-13 10:00:18,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 291 transitions, 645 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:18,528 INFO L231 Difference]: Finished difference. Result has 297 places, 291 transitions, 603 flow [2024-10-13 10:00:18,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=603, PETRI_PLACES=297, PETRI_TRANSITIONS=291} [2024-10-13 10:00:18,529 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-10-13 10:00:18,529 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 291 transitions, 603 flow [2024-10-13 10:00:18,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.1666666666667) internal successors, (1837), 6 states have internal predecessors, (1837), 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 10:00:18,530 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:18,531 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:18,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 10:00:18,531 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:18,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash -666123439, now seen corresponding path program 1 times [2024-10-13 10:00:18,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:18,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492027416] [2024-10-13 10:00:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:18,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:18,563 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 10:00:18,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:18,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492027416] [2024-10-13 10:00:18,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492027416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:18,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:18,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:18,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622859576] [2024-10-13 10:00:18,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:18,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:18,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:18,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:18,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:18,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-13 10:00:18,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 291 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 10:00:18,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:18,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-13 10:00:18,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:18,649 INFO L124 PetriNetUnfolderBase]: 46/487 cut-off events. [2024-10-13 10:00:18,650 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-10-13 10:00:18,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 487 events. 46/487 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1595 event pairs, 16 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 518. Up to 72 conditions per place. [2024-10-13 10:00:18,652 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-10-13 10:00:18,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 290 transitions, 637 flow [2024-10-13 10:00:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-10-13 10:00:18,654 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-10-13 10:00:18,654 INFO L175 Difference]: Start difference. First operand has 297 places, 291 transitions, 603 flow. Second operand 3 states and 951 transitions. [2024-10-13 10:00:18,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 290 transitions, 637 flow [2024-10-13 10:00:18,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 290 transitions, 630 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 10:00:18,659 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 598 flow [2024-10-13 10:00:18,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-10-13 10:00:18,660 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-10-13 10:00:18,660 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 598 flow [2024-10-13 10:00:18,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 10:00:18,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:18,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:18,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 10:00:18,662 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:18,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:18,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2103343118, now seen corresponding path program 1 times [2024-10-13 10:00:18,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:18,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39378131] [2024-10-13 10:00:18,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:18,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:18,697 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 10:00:18,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:18,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39378131] [2024-10-13 10:00:18,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39378131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:18,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:18,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:18,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930211660] [2024-10-13 10:00:18,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:18,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:18,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:18,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:18,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:18,710 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-13 10:00:18,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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 10:00:18,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:18,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-13 10:00:18,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:18,776 INFO L124 PetriNetUnfolderBase]: 62/574 cut-off events. [2024-10-13 10:00:18,777 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2024-10-13 10:00:18,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 574 events. 62/574 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2089 event pairs, 13 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 626. Up to 58 conditions per place. [2024-10-13 10:00:18,780 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 19 selfloop transitions, 3 changer transitions 0/294 dead transitions. [2024-10-13 10:00:18,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 294 transitions, 652 flow [2024-10-13 10:00:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:18,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-10-13 10:00:18,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8605898123324397 [2024-10-13 10:00:18,782 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 598 flow. Second operand 3 states and 963 transitions. [2024-10-13 10:00:18,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 294 transitions, 652 flow [2024-10-13 10:00:18,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 294 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:18,786 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 610 flow [2024-10-13 10:00:18,786 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-10-13 10:00:18,786 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-10-13 10:00:18,787 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 610 flow [2024-10-13 10:00:18,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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 10:00:18,787 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:18,788 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:18,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 10:00:18,788 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:18,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1013961910, now seen corresponding path program 1 times [2024-10-13 10:00:18,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:18,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077159338] [2024-10-13 10:00:18,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:18,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:18,824 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 10:00:18,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:18,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077159338] [2024-10-13 10:00:18,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077159338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:18,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:18,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:18,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630563589] [2024-10-13 10:00:18,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:18,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:18,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:18,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:18,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:18,839 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 373 [2024-10-13 10:00:18,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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 10:00:18,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:18,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 373 [2024-10-13 10:00:18,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:18,908 INFO L124 PetriNetUnfolderBase]: 55/681 cut-off events. [2024-10-13 10:00:18,908 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-10-13 10:00:18,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 681 events. 55/681 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2666 event pairs, 23 based on Foata normal form. 0/583 useless extension candidates. Maximal degree in co-relation 755. Up to 74 conditions per place. [2024-10-13 10:00:18,912 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-10-13 10:00:18,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 289 transitions, 642 flow [2024-10-13 10:00:18,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2024-10-13 10:00:18,914 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8516532618409294 [2024-10-13 10:00:18,914 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 610 flow. Second operand 3 states and 953 transitions. [2024-10-13 10:00:18,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 289 transitions, 642 flow [2024-10-13 10:00:18,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 289 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:18,918 INFO L231 Difference]: Finished difference. Result has 293 places, 289 transitions, 606 flow [2024-10-13 10:00:18,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=293, PETRI_TRANSITIONS=289} [2024-10-13 10:00:18,919 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -53 predicate places. [2024-10-13 10:00:18,919 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 289 transitions, 606 flow [2024-10-13 10:00:18,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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 10:00:18,920 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:18,920 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:18,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 10:00:18,920 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:18,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:18,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2130933439, now seen corresponding path program 1 times [2024-10-13 10:00:18,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:18,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370983051] [2024-10-13 10:00:18,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:18,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:18,963 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 10:00:18,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:18,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370983051] [2024-10-13 10:00:18,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370983051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:18,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:18,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:18,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997780325] [2024-10-13 10:00:18,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:18,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:18,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:18,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:18,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:18,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 373 [2024-10-13 10:00:18,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 289 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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 10:00:18,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:18,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 373 [2024-10-13 10:00:18,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:19,066 INFO L124 PetriNetUnfolderBase]: 78/848 cut-off events. [2024-10-13 10:00:19,067 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-10-13 10:00:19,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1032 conditions, 848 events. 78/848 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3974 event pairs, 28 based on Foata normal form. 0/733 useless extension candidates. Maximal degree in co-relation 967. Up to 106 conditions per place. [2024-10-13 10:00:19,071 INFO L140 encePairwiseOnDemand]: 366/373 looper letters, 18 selfloop transitions, 4 changer transitions 0/292 dead transitions. [2024-10-13 10:00:19,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 292 transitions, 661 flow [2024-10-13 10:00:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2024-10-13 10:00:19,073 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8570151921358355 [2024-10-13 10:00:19,074 INFO L175 Difference]: Start difference. First operand has 293 places, 289 transitions, 606 flow. Second operand 3 states and 959 transitions. [2024-10-13 10:00:19,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 292 transitions, 661 flow [2024-10-13 10:00:19,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 292 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:19,078 INFO L231 Difference]: Finished difference. Result has 291 places, 289 transitions, 620 flow [2024-10-13 10:00:19,078 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=291, PETRI_TRANSITIONS=289} [2024-10-13 10:00:19,079 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -55 predicate places. [2024-10-13 10:00:19,079 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 289 transitions, 620 flow [2024-10-13 10:00:19,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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 10:00:19,079 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:19,080 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:19,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 10:00:19,080 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:19,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:19,080 INFO L85 PathProgramCache]: Analyzing trace with hash -614046569, now seen corresponding path program 1 times [2024-10-13 10:00:19,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:19,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894790231] [2024-10-13 10:00:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:19,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:19,121 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 10:00:19,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:19,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894790231] [2024-10-13 10:00:19,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894790231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:19,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:19,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:19,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689839179] [2024-10-13 10:00:19,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:19,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:19,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:19,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:19,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:19,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-13 10:00:19,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 289 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:19,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:19,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-13 10:00:19,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:19,207 INFO L124 PetriNetUnfolderBase]: 63/652 cut-off events. [2024-10-13 10:00:19,207 INFO L125 PetriNetUnfolderBase]: For 74/82 co-relation queries the response was YES. [2024-10-13 10:00:19,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 652 events. 63/652 cut-off events. For 74/82 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2850 event pairs, 17 based on Foata normal form. 2/576 useless extension candidates. Maximal degree in co-relation 785. Up to 69 conditions per place. [2024-10-13 10:00:19,210 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 16 selfloop transitions, 2 changer transitions 2/290 dead transitions. [2024-10-13 10:00:19,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 290 transitions, 666 flow [2024-10-13 10:00:19,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-10-13 10:00:19,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8561215370866846 [2024-10-13 10:00:19,212 INFO L175 Difference]: Start difference. First operand has 291 places, 289 transitions, 620 flow. Second operand 3 states and 958 transitions. [2024-10-13 10:00:19,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 290 transitions, 666 flow [2024-10-13 10:00:19,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 290 transitions, 661 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:19,217 INFO L231 Difference]: Finished difference. Result has 290 places, 285 transitions, 611 flow [2024-10-13 10:00:19,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=290, PETRI_TRANSITIONS=285} [2024-10-13 10:00:19,217 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -56 predicate places. [2024-10-13 10:00:19,217 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 285 transitions, 611 flow [2024-10-13 10:00:19,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:19,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:19,218 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:19,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 10:00:19,219 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:19,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:19,219 INFO L85 PathProgramCache]: Analyzing trace with hash 373149136, now seen corresponding path program 1 times [2024-10-13 10:00:19,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:19,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820446299] [2024-10-13 10:00:19,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:19,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:19,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:19,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820446299] [2024-10-13 10:00:19,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820446299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:19,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:19,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 10:00:19,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224633406] [2024-10-13 10:00:19,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:19,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 10:00:19,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:19,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 10:00:19,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-13 10:00:19,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2024-10-13 10:00:19,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 285 transitions, 611 flow. Second operand has 7 states, 7 states have (on average 301.0) internal successors, (2107), 7 states have internal predecessors, (2107), 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 10:00:19,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:19,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2024-10-13 10:00:19,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:19,788 INFO L124 PetriNetUnfolderBase]: 91/1159 cut-off events. [2024-10-13 10:00:19,789 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-10-13 10:00:19,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1466 conditions, 1159 events. 91/1159 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5687 event pairs, 19 based on Foata normal form. 0/1034 useless extension candidates. Maximal degree in co-relation 1397. Up to 65 conditions per place. [2024-10-13 10:00:19,796 INFO L140 encePairwiseOnDemand]: 359/373 looper letters, 43 selfloop transitions, 15 changer transitions 0/309 dead transitions. [2024-10-13 10:00:19,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 309 transitions, 801 flow [2024-10-13 10:00:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 10:00:19,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-13 10:00:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3032 transitions. [2024-10-13 10:00:19,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8128686327077748 [2024-10-13 10:00:19,801 INFO L175 Difference]: Start difference. First operand has 290 places, 285 transitions, 611 flow. Second operand 10 states and 3032 transitions. [2024-10-13 10:00:19,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 309 transitions, 801 flow [2024-10-13 10:00:19,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 309 transitions, 797 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:19,806 INFO L231 Difference]: Finished difference. Result has 299 places, 292 transitions, 681 flow [2024-10-13 10:00:19,806 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=681, PETRI_PLACES=299, PETRI_TRANSITIONS=292} [2024-10-13 10:00:19,806 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -47 predicate places. [2024-10-13 10:00:19,807 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 292 transitions, 681 flow [2024-10-13 10:00:19,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 301.0) internal successors, (2107), 7 states have internal predecessors, (2107), 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 10:00:19,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:19,808 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:19,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 10:00:19,808 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:19,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:19,809 INFO L85 PathProgramCache]: Analyzing trace with hash 94822848, now seen corresponding path program 1 times [2024-10-13 10:00:19,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:19,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810355780] [2024-10-13 10:00:19,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:19,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:19,849 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 10:00:19,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:19,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810355780] [2024-10-13 10:00:19,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810355780] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:19,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:19,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:19,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469844083] [2024-10-13 10:00:19,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:19,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:19,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:19,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:19,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:19,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-13 10:00:19,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 292 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:19,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:19,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-13 10:00:19,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:19,996 INFO L124 PetriNetUnfolderBase]: 136/1073 cut-off events. [2024-10-13 10:00:19,997 INFO L125 PetriNetUnfolderBase]: For 176/202 co-relation queries the response was YES. [2024-10-13 10:00:19,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1562 conditions, 1073 events. 136/1073 cut-off events. For 176/202 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5779 event pairs, 57 based on Foata normal form. 0/954 useless extension candidates. Maximal degree in co-relation 1486. Up to 188 conditions per place. [2024-10-13 10:00:20,002 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 20 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-10-13 10:00:20,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 295 transitions, 741 flow [2024-10-13 10:00:20,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:20,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-13 10:00:20,005 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-10-13 10:00:20,005 INFO L175 Difference]: Start difference. First operand has 299 places, 292 transitions, 681 flow. Second operand 3 states and 957 transitions. [2024-10-13 10:00:20,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 295 transitions, 741 flow [2024-10-13 10:00:20,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 295 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:20,009 INFO L231 Difference]: Finished difference. Result has 298 places, 291 transitions, 677 flow [2024-10-13 10:00:20,009 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=677, PETRI_PLACES=298, PETRI_TRANSITIONS=291} [2024-10-13 10:00:20,010 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -48 predicate places. [2024-10-13 10:00:20,010 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 291 transitions, 677 flow [2024-10-13 10:00:20,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:20,010 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:20,011 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:20,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 10:00:20,011 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:20,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:20,011 INFO L85 PathProgramCache]: Analyzing trace with hash 93868542, now seen corresponding path program 1 times [2024-10-13 10:00:20,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:20,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918481926] [2024-10-13 10:00:20,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:20,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:20,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:20,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:20,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918481926] [2024-10-13 10:00:20,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918481926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:20,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:20,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:20,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469365504] [2024-10-13 10:00:20,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:20,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:20,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:20,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:20,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:20,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 373 [2024-10-13 10:00:20,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 291 transitions, 677 flow. Second operand has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:20,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:20,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 373 [2024-10-13 10:00:20,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:20,172 INFO L124 PetriNetUnfolderBase]: 110/1090 cut-off events. [2024-10-13 10:00:20,172 INFO L125 PetriNetUnfolderBase]: For 140/160 co-relation queries the response was YES. [2024-10-13 10:00:20,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1548 conditions, 1090 events. 110/1090 cut-off events. For 140/160 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5715 event pairs, 18 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 1474. Up to 130 conditions per place. [2024-10-13 10:00:20,178 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 18 selfloop transitions, 3 changer transitions 0/294 dead transitions. [2024-10-13 10:00:20,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 294 transitions, 734 flow [2024-10-13 10:00:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-13 10:00:20,180 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614834673815907 [2024-10-13 10:00:20,181 INFO L175 Difference]: Start difference. First operand has 298 places, 291 transitions, 677 flow. Second operand 3 states and 964 transitions. [2024-10-13 10:00:20,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 294 transitions, 734 flow [2024-10-13 10:00:20,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 294 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:20,185 INFO L231 Difference]: Finished difference. Result has 297 places, 290 transitions, 682 flow [2024-10-13 10:00:20,185 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=297, PETRI_TRANSITIONS=290} [2024-10-13 10:00:20,186 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-10-13 10:00:20,186 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 290 transitions, 682 flow [2024-10-13 10:00:20,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:20,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:20,186 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:20,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 10:00:20,187 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:20,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:20,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1552252678, now seen corresponding path program 1 times [2024-10-13 10:00:20,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:20,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942931050] [2024-10-13 10:00:20,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:20,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:20,235 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 10:00:20,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:20,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942931050] [2024-10-13 10:00:20,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942931050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:20,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:20,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:20,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363677239] [2024-10-13 10:00:20,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:20,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:20,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:20,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:20,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-13 10:00:20,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 290 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:20,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:20,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-13 10:00:20,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:20,365 INFO L124 PetriNetUnfolderBase]: 112/1078 cut-off events. [2024-10-13 10:00:20,365 INFO L125 PetriNetUnfolderBase]: For 210/229 co-relation queries the response was YES. [2024-10-13 10:00:20,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1575 conditions, 1078 events. 112/1078 cut-off events. For 210/229 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5610 event pairs, 45 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 1501. Up to 168 conditions per place. [2024-10-13 10:00:20,370 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 3 changer transitions 5/293 dead transitions. [2024-10-13 10:00:20,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 293 transitions, 747 flow [2024-10-13 10:00:20,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-10-13 10:00:20,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8561215370866846 [2024-10-13 10:00:20,373 INFO L175 Difference]: Start difference. First operand has 297 places, 290 transitions, 682 flow. Second operand 3 states and 958 transitions. [2024-10-13 10:00:20,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 293 transitions, 747 flow [2024-10-13 10:00:20,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 293 transitions, 740 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:20,377 INFO L231 Difference]: Finished difference. Result has 296 places, 285 transitions, 660 flow [2024-10-13 10:00:20,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=296, PETRI_TRANSITIONS=285} [2024-10-13 10:00:20,378 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -50 predicate places. [2024-10-13 10:00:20,378 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 285 transitions, 660 flow [2024-10-13 10:00:20,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:20,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:20,379 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:20,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 10:00:20,379 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:20,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:20,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1018302241, now seen corresponding path program 1 times [2024-10-13 10:00:20,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:20,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377716402] [2024-10-13 10:00:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:20,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 10:00:20,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:20,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377716402] [2024-10-13 10:00:20,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377716402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:20,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:20,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 10:00:20,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671532739] [2024-10-13 10:00:20,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:20,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 10:00:20,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:20,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 10:00:20,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 10:00:20,843 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2024-10-13 10:00:20,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 285 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 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 10:00:20,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:20,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2024-10-13 10:00:20,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:21,063 INFO L124 PetriNetUnfolderBase]: 168/1128 cut-off events. [2024-10-13 10:00:21,064 INFO L125 PetriNetUnfolderBase]: For 176/178 co-relation queries the response was YES. [2024-10-13 10:00:21,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 1128 events. 168/1128 cut-off events. For 176/178 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6292 event pairs, 14 based on Foata normal form. 0/1060 useless extension candidates. Maximal degree in co-relation 1613. Up to 176 conditions per place. [2024-10-13 10:00:21,077 INFO L140 encePairwiseOnDemand]: 366/373 looper letters, 47 selfloop transitions, 6 changer transitions 0/303 dead transitions. [2024-10-13 10:00:21,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 303 transitions, 834 flow [2024-10-13 10:00:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 10:00:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 10:00:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1835 transitions. [2024-10-13 10:00:21,082 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.819928507596068 [2024-10-13 10:00:21,082 INFO L175 Difference]: Start difference. First operand has 296 places, 285 transitions, 660 flow. Second operand 6 states and 1835 transitions. [2024-10-13 10:00:21,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 303 transitions, 834 flow [2024-10-13 10:00:21,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 303 transitions, 813 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-10-13 10:00:21,088 INFO L231 Difference]: Finished difference. Result has 290 places, 283 transitions, 647 flow [2024-10-13 10:00:21,088 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=647, PETRI_PLACES=290, PETRI_TRANSITIONS=283} [2024-10-13 10:00:21,089 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -56 predicate places. [2024-10-13 10:00:21,089 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 283 transitions, 647 flow [2024-10-13 10:00:21,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 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 10:00:21,090 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:21,090 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:21,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 10:00:21,091 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:21,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:21,091 INFO L85 PathProgramCache]: Analyzing trace with hash 664132641, now seen corresponding path program 1 times [2024-10-13 10:00:21,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:21,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101965924] [2024-10-13 10:00:21,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:21,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 10:00:21,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:21,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101965924] [2024-10-13 10:00:21,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101965924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:21,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:21,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:21,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539527238] [2024-10-13 10:00:21,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:21,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:21,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:21,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:21,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:21,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 373 [2024-10-13 10:00:21,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 283 transitions, 647 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:21,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:21,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 373 [2024-10-13 10:00:21,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:21,306 INFO L124 PetriNetUnfolderBase]: 113/1179 cut-off events. [2024-10-13 10:00:21,306 INFO L125 PetriNetUnfolderBase]: For 208/211 co-relation queries the response was YES. [2024-10-13 10:00:21,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1628 conditions, 1179 events. 113/1179 cut-off events. For 208/211 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6246 event pairs, 21 based on Foata normal form. 0/1125 useless extension candidates. Maximal degree in co-relation 1557. Up to 103 conditions per place. [2024-10-13 10:00:21,312 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 25 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-10-13 10:00:21,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 293 transitions, 746 flow [2024-10-13 10:00:21,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-10-13 10:00:21,314 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8650580875781948 [2024-10-13 10:00:21,314 INFO L175 Difference]: Start difference. First operand has 290 places, 283 transitions, 647 flow. Second operand 3 states and 968 transitions. [2024-10-13 10:00:21,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 293 transitions, 746 flow [2024-10-13 10:00:21,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 293 transitions, 730 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 10:00:21,318 INFO L231 Difference]: Finished difference. Result has 287 places, 283 transitions, 643 flow [2024-10-13 10:00:21,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=287, PETRI_TRANSITIONS=283} [2024-10-13 10:00:21,319 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -59 predicate places. [2024-10-13 10:00:21,319 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 283 transitions, 643 flow [2024-10-13 10:00:21,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:21,319 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:21,319 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:21,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-13 10:00:21,320 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-13 10:00:21,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:21,320 INFO L85 PathProgramCache]: Analyzing trace with hash 190511314, now seen corresponding path program 1 times [2024-10-13 10:00:21,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:21,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70566311] [2024-10-13 10:00:21,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:21,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 10:00:21,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70566311] [2024-10-13 10:00:21,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70566311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:21,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:21,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:21,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030906033] [2024-10-13 10:00:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:21,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:21,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:21,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:21,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:21,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-10-13 10:00:21,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 283 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:21,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:21,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-10-13 10:00:21,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:21,541 INFO L124 PetriNetUnfolderBase]: 153/1359 cut-off events. [2024-10-13 10:00:21,542 INFO L125 PetriNetUnfolderBase]: For 188/201 co-relation queries the response was YES. [2024-10-13 10:00:21,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1899 conditions, 1359 events. 153/1359 cut-off events. For 188/201 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7872 event pairs, 60 based on Foata normal form. 1/1288 useless extension candidates. Maximal degree in co-relation 1828. Up to 175 conditions per place. [2024-10-13 10:00:21,545 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-10-13 10:00:21,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 287 transitions, 707 flow [2024-10-13 10:00:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-10-13 10:00:21,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8588025022341377 [2024-10-13 10:00:21,548 INFO L175 Difference]: Start difference. First operand has 287 places, 283 transitions, 643 flow. Second operand 3 states and 961 transitions. [2024-10-13 10:00:21,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 287 transitions, 707 flow [2024-10-13 10:00:21,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 287 transitions, 705 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:21,550 INFO L231 Difference]: Finished difference. Result has 287 places, 0 transitions, 0 flow [2024-10-13 10:00:21,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=287, PETRI_TRANSITIONS=0} [2024-10-13 10:00:21,551 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -59 predicate places. [2024-10-13 10:00:21,551 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 0 transitions, 0 flow [2024-10-13 10:00:21,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:21,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (116 of 117 remaining) [2024-10-13 10:00:21,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (115 of 117 remaining) [2024-10-13 10:00:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (114 of 117 remaining) [2024-10-13 10:00:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (113 of 117 remaining) [2024-10-13 10:00:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (112 of 117 remaining) [2024-10-13 10:00:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (111 of 117 remaining) [2024-10-13 10:00:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (110 of 117 remaining) [2024-10-13 10:00:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (109 of 117 remaining) [2024-10-13 10:00:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (108 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (107 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (106 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (104 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (103 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (102 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (101 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (100 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (99 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (98 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (97 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (96 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (95 of 117 remaining) [2024-10-13 10:00:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (94 of 117 remaining) [2024-10-13 10:00:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (93 of 117 remaining) [2024-10-13 10:00:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (92 of 117 remaining) [2024-10-13 10:00:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (91 of 117 remaining) [2024-10-13 10:00:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (90 of 117 remaining) [2024-10-13 10:00:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (89 of 117 remaining) [2024-10-13 10:00:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (88 of 117 remaining) [2024-10-13 10:00:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (87 of 117 remaining) [2024-10-13 10:00:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (86 of 117 remaining) [2024-10-13 10:00:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (85 of 117 remaining) [2024-10-13 10:00:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (84 of 117 remaining) [2024-10-13 10:00:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (83 of 117 remaining) [2024-10-13 10:00:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (82 of 117 remaining) [2024-10-13 10:00:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (81 of 117 remaining) [2024-10-13 10:00:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (80 of 117 remaining) [2024-10-13 10:00:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (79 of 117 remaining) [2024-10-13 10:00:21,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (78 of 117 remaining) [2024-10-13 10:00:21,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (77 of 117 remaining) [2024-10-13 10:00:21,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (76 of 117 remaining) [2024-10-13 10:00:21,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (75 of 117 remaining) [2024-10-13 10:00:21,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (74 of 117 remaining) [2024-10-13 10:00:21,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (73 of 117 remaining) [2024-10-13 10:00:21,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (72 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (71 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (70 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (69 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (68 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (67 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (66 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (65 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (64 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (63 of 117 remaining) [2024-10-13 10:00:21,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (62 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (61 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (60 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (59 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (58 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (57 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (56 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (55 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (54 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (53 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (52 of 117 remaining) [2024-10-13 10:00:21,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (51 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (50 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 117 remaining) [2024-10-13 10:00:21,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 117 remaining) [2024-10-13 10:00:21,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 117 remaining) [2024-10-13 10:00:21,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 117 remaining) [2024-10-13 10:00:21,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 117 remaining) [2024-10-13 10:00:21,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-13 10:00:21,569 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:21,575 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 10:00:21,576 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 10:00:21,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:00:21 BasicIcfg [2024-10-13 10:00:21,580 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 10:00:21,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 10:00:21,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 10:00:21,581 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 10:00:21,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:15" (3/4) ... [2024-10-13 10:00:21,582 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 10:00:21,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 10:00:21,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 10:00:21,589 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-10-13 10:00:21,590 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 10:00:21,590 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 10:00:21,590 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 10:00:21,664 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 10:00:21,664 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 10:00:21,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 10:00:21,665 INFO L158 Benchmark]: Toolchain (without parser) took 7701.55ms. Allocated memory was 172.0MB in the beginning and 467.7MB in the end (delta: 295.7MB). Free memory was 102.6MB in the beginning and 371.4MB in the end (delta: -268.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-10-13 10:00:21,665 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 109.1MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 10:00:21,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.05ms. Allocated memory is still 172.0MB. Free memory was 102.5MB in the beginning and 137.0MB in the end (delta: -34.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 10:00:21,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.73ms. Allocated memory is still 172.0MB. Free memory was 137.0MB in the beginning and 133.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 10:00:21,666 INFO L158 Benchmark]: Boogie Preprocessor took 46.26ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 130.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 10:00:21,666 INFO L158 Benchmark]: RCFGBuilder took 869.46ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 130.1MB in the end (delta: 635.8kB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-10-13 10:00:21,666 INFO L158 Benchmark]: TraceAbstraction took 6317.88ms. Allocated memory was 172.0MB in the beginning and 467.7MB in the end (delta: 295.7MB). Free memory was 129.2MB in the beginning and 378.8MB in the end (delta: -249.6MB). Peak memory consumption was 273.5MB. Max. memory is 16.1GB. [2024-10-13 10:00:21,666 INFO L158 Benchmark]: Witness Printer took 83.80ms. Allocated memory is still 467.7MB. Free memory was 378.8MB in the beginning and 371.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 10:00:21,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 109.1MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.05ms. Allocated memory is still 172.0MB. Free memory was 102.5MB in the beginning and 137.0MB in the end (delta: -34.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.73ms. Allocated memory is still 172.0MB. Free memory was 137.0MB in the beginning and 133.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.26ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 130.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 869.46ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 130.1MB in the end (delta: 635.8kB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6317.88ms. Allocated memory was 172.0MB in the beginning and 467.7MB in the end (delta: 295.7MB). Free memory was 129.2MB in the beginning and 378.8MB in the end (delta: -249.6MB). Peak memory consumption was 273.5MB. Max. memory is 16.1GB. * Witness Printer took 83.80ms. Allocated memory is still 467.7MB. Free memory was 378.8MB in the beginning and 371.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 480 locations, 117 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.2s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1087 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 594 mSDsluCounter, 297 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1700 IncrementalHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 111 mSDtfsCounter, 1700 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3058 NumberOfCodeBlocks, 3058 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3033 ConstructedInterpolants, 0 QuantifiedInterpolants, 3979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 67 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 10:00:21,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE