./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/goblint-regression/09-regions_02-list_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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/goblint-regression/09-regions_02-list_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:04:44,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:04:44,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:04:44,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:04:44,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:04:44,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:04:44,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:04:44,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:04:44,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:04:44,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:04:44,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:04:44,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:04:44,373 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:04:44,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:04:44,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:04:44,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:04:44,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:04:44,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:04:44,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:04:44,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:04:44,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:04:44,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:04:44,376 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:04:44,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:04:44,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:04:44,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:04:44,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:04:44,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:04:44,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:04:44,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:04:44,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:04:44,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:04:44,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:04:44,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:04:44,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:04:44,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:04:44,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:04:44,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:04:44,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:04:44,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:04:44,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:04:44,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c [2024-10-14 17:04:44,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:04:44,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:04:44,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:04:44,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:04:44,602 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:04:44,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2024-10-14 17:04:45,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:04:46,012 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:04:46,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2024-10-14 17:04:46,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/209c3ba9b/cf5fab82d77e4c8bb2e7ed65f4022c4a/FLAG17d5c9a64 [2024-10-14 17:04:46,043 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/209c3ba9b/cf5fab82d77e4c8bb2e7ed65f4022c4a [2024-10-14 17:04:46,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:04:46,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:04:46,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:04:46,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:04:46,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:04:46,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d54f7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46, skipping insertion in model container [2024-10-14 17:04:46,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:04:46,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:04:46,481 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:04:46,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:04:46,634 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:04:46,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46 WrapperNode [2024-10-14 17:04:46,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:04:46,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:04:46,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:04:46,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:04:46,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,693 INFO L138 Inliner]: procedures = 368, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 174 [2024-10-14 17:04:46,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:04:46,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:04:46,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:04:46,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:04:46,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:04:46,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:04:46,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:04:46,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:04:46,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (1/1) ... [2024-10-14 17:04:46,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:04:46,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:04:46,766 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) [2024-10-14 17:04:46,769 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 [2024-10-14 17:04:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-14 17:04:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 17:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 17:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:04:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:04:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-14 17:04:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-14 17:04:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-14 17:04:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:04:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:04:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:04:46,806 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:04:46,909 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:04:46,911 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:04:47,177 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:04:47,177 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:04:47,202 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:04:47,205 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 17:04:47,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:04:47 BoogieIcfgContainer [2024-10-14 17:04:47,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:04:47,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:04:47,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:04:47,210 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:04:47,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:04:46" (1/3) ... [2024-10-14 17:04:47,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21806f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:04:47, skipping insertion in model container [2024-10-14 17:04:47,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:46" (2/3) ... [2024-10-14 17:04:47,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21806f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:04:47, skipping insertion in model container [2024-10-14 17:04:47,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:04:47" (3/3) ... [2024-10-14 17:04:47,213 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2024-10-14 17:04:47,225 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:04:47,226 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-14 17:04:47,226 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:04:47,291 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 17:04:47,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 202 transitions, 408 flow [2024-10-14 17:04:47,410 INFO L124 PetriNetUnfolderBase]: 0/201 cut-off events. [2024-10-14 17:04:47,410 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:04:47,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 201 events. 0/201 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-14 17:04:47,413 INFO L82 GeneralOperation]: Start removeDead. Operand has 206 places, 202 transitions, 408 flow [2024-10-14 17:04:47,419 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 205 places, 201 transitions, 405 flow [2024-10-14 17:04:47,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:04:47,435 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;@498a9a5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:04:47,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-10-14 17:04:47,443 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:04:47,443 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-10-14 17:04:47,443 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:04:47,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:47,444 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] [2024-10-14 17:04:47,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:47,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:47,449 INFO L85 PathProgramCache]: Analyzing trace with hash -470290010, now seen corresponding path program 1 times [2024-10-14 17:04:47,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:47,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935054524] [2024-10-14 17:04:47,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:48,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:48,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935054524] [2024-10-14 17:04:48,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935054524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:48,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:48,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:48,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946341971] [2024-10-14 17:04:48,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:48,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:48,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:48,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:48,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:48,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 202 [2024-10-14 17:04:48,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 201 transitions, 405 flow. Second operand has 6 states, 6 states have (on average 144.33333333333334) internal successors, (866), 6 states have internal predecessors, (866), 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) [2024-10-14 17:04:48,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:48,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 202 [2024-10-14 17:04:48,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:48,593 INFO L124 PetriNetUnfolderBase]: 220/1025 cut-off events. [2024-10-14 17:04:48,593 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:04:48,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 1025 events. 220/1025 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5369 event pairs, 220 based on Foata normal form. 0/920 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-10-14 17:04:48,605 INFO L140 encePairwiseOnDemand]: 190/202 looper letters, 47 selfloop transitions, 10 changer transitions 0/199 dead transitions. [2024-10-14 17:04:48,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 199 transitions, 515 flow [2024-10-14 17:04:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 917 transitions. [2024-10-14 17:04:48,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7566006600660066 [2024-10-14 17:04:48,627 INFO L175 Difference]: Start difference. First operand has 205 places, 201 transitions, 405 flow. Second operand 6 states and 917 transitions. [2024-10-14 17:04:48,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 199 transitions, 515 flow [2024-10-14 17:04:48,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 199 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:04:48,635 INFO L231 Difference]: Finished difference. Result has 207 places, 199 transitions, 420 flow [2024-10-14 17:04:48,637 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=420, PETRI_PLACES=207, PETRI_TRANSITIONS=199} [2024-10-14 17:04:48,641 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 2 predicate places. [2024-10-14 17:04:48,642 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 199 transitions, 420 flow [2024-10-14 17:04:48,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.33333333333334) internal successors, (866), 6 states have internal predecessors, (866), 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) [2024-10-14 17:04:48,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:48,642 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:04:48,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:04:48,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:48,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:48,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1010860236, now seen corresponding path program 1 times [2024-10-14 17:04:48,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:48,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139092201] [2024-10-14 17:04:48,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:48,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:48,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:48,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139092201] [2024-10-14 17:04:48,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139092201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:48,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:48,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:48,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586376914] [2024-10-14 17:04:48,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:48,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:48,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:48,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:48,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:49,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 202 [2024-10-14 17:04:49,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 199 transitions, 420 flow. Second operand has 6 states, 6 states have (on average 144.33333333333334) internal successors, (866), 6 states have internal predecessors, (866), 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) [2024-10-14 17:04:49,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:49,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 202 [2024-10-14 17:04:49,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:49,406 INFO L124 PetriNetUnfolderBase]: 220/1023 cut-off events. [2024-10-14 17:04:49,407 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:04:49,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1535 conditions, 1023 events. 220/1023 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5371 event pairs, 220 based on Foata normal form. 0/920 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-10-14 17:04:49,413 INFO L140 encePairwiseOnDemand]: 190/202 looper letters, 47 selfloop transitions, 10 changer transitions 0/197 dead transitions. [2024-10-14 17:04:49,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 197 transitions, 530 flow [2024-10-14 17:04:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 917 transitions. [2024-10-14 17:04:49,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7566006600660066 [2024-10-14 17:04:49,416 INFO L175 Difference]: Start difference. First operand has 207 places, 199 transitions, 420 flow. Second operand 6 states and 917 transitions. [2024-10-14 17:04:49,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 197 transitions, 530 flow [2024-10-14 17:04:49,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 197 transitions, 510 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:04:49,421 INFO L231 Difference]: Finished difference. Result has 205 places, 197 transitions, 416 flow [2024-10-14 17:04:49,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=416, PETRI_PLACES=205, PETRI_TRANSITIONS=197} [2024-10-14 17:04:49,423 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 0 predicate places. [2024-10-14 17:04:49,423 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 197 transitions, 416 flow [2024-10-14 17:04:49,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.33333333333334) internal successors, (866), 6 states have internal predecessors, (866), 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) [2024-10-14 17:04:49,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:49,424 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] [2024-10-14 17:04:49,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:04:49,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:49,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:49,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2075346678, now seen corresponding path program 1 times [2024-10-14 17:04:49,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:49,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262417711] [2024-10-14 17:04:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:49,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:49,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:49,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262417711] [2024-10-14 17:04:49,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262417711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:49,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:49,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:04:49,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76817455] [2024-10-14 17:04:49,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:49,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:49,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:49,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:49,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:49,492 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 202 [2024-10-14 17:04:49,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 197 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2024-10-14 17:04:49,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:49,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 202 [2024-10-14 17:04:49,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:49,530 INFO L124 PetriNetUnfolderBase]: 16/332 cut-off events. [2024-10-14 17:04:49,530 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:04:49,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 332 events. 16/332 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 758 event pairs, 16 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-10-14 17:04:49,532 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 14 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2024-10-14 17:04:49,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 196 transitions, 446 flow [2024-10-14 17:04:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:49,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 572 transitions. [2024-10-14 17:04:49,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9438943894389439 [2024-10-14 17:04:49,534 INFO L175 Difference]: Start difference. First operand has 205 places, 197 transitions, 416 flow. Second operand 3 states and 572 transitions. [2024-10-14 17:04:49,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 196 transitions, 446 flow [2024-10-14 17:04:49,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 196 transitions, 426 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:04:49,537 INFO L231 Difference]: Finished difference. Result has 201 places, 196 transitions, 398 flow [2024-10-14 17:04:49,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=201, PETRI_TRANSITIONS=196} [2024-10-14 17:04:49,538 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -4 predicate places. [2024-10-14 17:04:49,538 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 196 transitions, 398 flow [2024-10-14 17:04:49,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2024-10-14 17:04:49,538 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:49,538 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] [2024-10-14 17:04:49,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:04:49,539 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:49,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:49,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1388712241, now seen corresponding path program 1 times [2024-10-14 17:04:49,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:49,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622022889] [2024-10-14 17:04:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:49,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:49,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:49,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622022889] [2024-10-14 17:04:49,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622022889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:49,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:49,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:04:49,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676212027] [2024-10-14 17:04:49,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:49,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:49,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:49,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:49,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:49,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 202 [2024-10-14 17:04:49,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 196 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2024-10-14 17:04:49,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:49,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 202 [2024-10-14 17:04:49,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:49,642 INFO L124 PetriNetUnfolderBase]: 24/409 cut-off events. [2024-10-14 17:04:49,642 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:04:49,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 409 events. 24/409 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1210 event pairs, 24 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-10-14 17:04:49,644 INFO L140 encePairwiseOnDemand]: 196/202 looper letters, 15 selfloop transitions, 1 changer transitions 0/191 dead transitions. [2024-10-14 17:04:49,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 191 transitions, 420 flow [2024-10-14 17:04:49,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2024-10-14 17:04:49,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9306930693069307 [2024-10-14 17:04:49,645 INFO L175 Difference]: Start difference. First operand has 201 places, 196 transitions, 398 flow. Second operand 3 states and 564 transitions. [2024-10-14 17:04:49,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 191 transitions, 420 flow [2024-10-14 17:04:49,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 191 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:04:49,647 INFO L231 Difference]: Finished difference. Result has 196 places, 191 transitions, 386 flow [2024-10-14 17:04:49,648 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=196, PETRI_TRANSITIONS=191} [2024-10-14 17:04:49,648 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -9 predicate places. [2024-10-14 17:04:49,649 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 191 transitions, 386 flow [2024-10-14 17:04:49,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2024-10-14 17:04:49,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:49,649 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] [2024-10-14 17:04:49,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:04:49,650 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:49,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:49,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1639247793, now seen corresponding path program 1 times [2024-10-14 17:04:49,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:49,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584328878] [2024-10-14 17:04:49,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:49,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:49,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584328878] [2024-10-14 17:04:49,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584328878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:49,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:49,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:49,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317324375] [2024-10-14 17:04:49,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:49,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:49,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:49,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:49,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:50,227 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 202 [2024-10-14 17:04:50,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 191 transitions, 386 flow. Second operand has 6 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 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) [2024-10-14 17:04:50,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:50,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 202 [2024-10-14 17:04:50,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:50,334 INFO L124 PetriNetUnfolderBase]: 288/1162 cut-off events. [2024-10-14 17:04:50,335 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:04:50,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1807 conditions, 1162 events. 288/1162 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6259 event pairs, 288 based on Foata normal form. 0/1103 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-10-14 17:04:50,338 INFO L140 encePairwiseOnDemand]: 196/202 looper letters, 58 selfloop transitions, 5 changer transitions 0/190 dead transitions. [2024-10-14 17:04:50,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 190 transitions, 510 flow [2024-10-14 17:04:50,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 892 transitions. [2024-10-14 17:04:50,340 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.735973597359736 [2024-10-14 17:04:50,340 INFO L175 Difference]: Start difference. First operand has 196 places, 191 transitions, 386 flow. Second operand 6 states and 892 transitions. [2024-10-14 17:04:50,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 190 transitions, 510 flow [2024-10-14 17:04:50,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 190 transitions, 509 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:04:50,342 INFO L231 Difference]: Finished difference. Result has 199 places, 190 transitions, 393 flow [2024-10-14 17:04:50,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=393, PETRI_PLACES=199, PETRI_TRANSITIONS=190} [2024-10-14 17:04:50,343 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -6 predicate places. [2024-10-14 17:04:50,344 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 190 transitions, 393 flow [2024-10-14 17:04:50,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 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) [2024-10-14 17:04:50,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:50,344 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] [2024-10-14 17:04:50,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:04:50,345 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:50,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:50,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1462967909, now seen corresponding path program 1 times [2024-10-14 17:04:50,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:50,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334978051] [2024-10-14 17:04:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:50,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:50,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:50,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334978051] [2024-10-14 17:04:50,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334978051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:50,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:50,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:50,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125696000] [2024-10-14 17:04:50,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:50,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:50,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:50,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:50,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:50,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 202 [2024-10-14 17:04:50,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 190 transitions, 393 flow. Second operand has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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) [2024-10-14 17:04:50,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:50,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 202 [2024-10-14 17:04:50,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:51,226 INFO L124 PetriNetUnfolderBase]: 316/1488 cut-off events. [2024-10-14 17:04:51,226 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:04:51,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2224 conditions, 1488 events. 316/1488 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9206 event pairs, 36 based on Foata normal form. 0/1398 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-10-14 17:04:51,231 INFO L140 encePairwiseOnDemand]: 174/202 looper letters, 99 selfloop transitions, 70 changer transitions 0/302 dead transitions. [2024-10-14 17:04:51,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 302 transitions, 955 flow [2024-10-14 17:04:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1041 transitions. [2024-10-14 17:04:51,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8589108910891089 [2024-10-14 17:04:51,234 INFO L175 Difference]: Start difference. First operand has 199 places, 190 transitions, 393 flow. Second operand 6 states and 1041 transitions. [2024-10-14 17:04:51,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 302 transitions, 955 flow [2024-10-14 17:04:51,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 302 transitions, 945 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:04:51,240 INFO L231 Difference]: Finished difference. Result has 203 places, 260 transitions, 861 flow [2024-10-14 17:04:51,241 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=861, PETRI_PLACES=203, PETRI_TRANSITIONS=260} [2024-10-14 17:04:51,242 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, -2 predicate places. [2024-10-14 17:04:51,242 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 260 transitions, 861 flow [2024-10-14 17:04:51,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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) [2024-10-14 17:04:51,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:51,243 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] [2024-10-14 17:04:51,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:04:51,243 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:51,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash -8155335, now seen corresponding path program 1 times [2024-10-14 17:04:51,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:51,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291854086] [2024-10-14 17:04:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:51,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:51,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:51,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291854086] [2024-10-14 17:04:51,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291854086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:51,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:51,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:51,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321904433] [2024-10-14 17:04:51,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:51,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:51,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:51,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:51,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:51,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 202 [2024-10-14 17:04:51,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 260 transitions, 861 flow. Second operand has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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) [2024-10-14 17:04:51,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:51,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 202 [2024-10-14 17:04:51,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:52,007 INFO L124 PetriNetUnfolderBase]: 588/2259 cut-off events. [2024-10-14 17:04:52,007 INFO L125 PetriNetUnfolderBase]: For 603/609 co-relation queries the response was YES. [2024-10-14 17:04:52,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4648 conditions, 2259 events. 588/2259 cut-off events. For 603/609 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15125 event pairs, 222 based on Foata normal form. 0/2148 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-10-14 17:04:52,016 INFO L140 encePairwiseOnDemand]: 187/202 looper letters, 106 selfloop transitions, 48 changer transitions 0/311 dead transitions. [2024-10-14 17:04:52,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 311 transitions, 1341 flow [2024-10-14 17:04:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:52,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 978 transitions. [2024-10-14 17:04:52,018 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.806930693069307 [2024-10-14 17:04:52,018 INFO L175 Difference]: Start difference. First operand has 203 places, 260 transitions, 861 flow. Second operand 6 states and 978 transitions. [2024-10-14 17:04:52,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 311 transitions, 1341 flow [2024-10-14 17:04:52,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 311 transitions, 1341 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:04:52,025 INFO L231 Difference]: Finished difference. Result has 213 places, 303 transitions, 1249 flow [2024-10-14 17:04:52,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=861, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1249, PETRI_PLACES=213, PETRI_TRANSITIONS=303} [2024-10-14 17:04:52,026 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 8 predicate places. [2024-10-14 17:04:52,026 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 303 transitions, 1249 flow [2024-10-14 17:04:52,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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) [2024-10-14 17:04:52,027 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:52,027 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:04:52,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:04:52,027 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:52,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:52,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1141257245, now seen corresponding path program 1 times [2024-10-14 17:04:52,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:52,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62000853] [2024-10-14 17:04:52,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:52,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:52,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:52,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62000853] [2024-10-14 17:04:52,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62000853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:52,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:52,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:52,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640947588] [2024-10-14 17:04:52,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:52,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:52,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:52,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:52,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:52,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 202 [2024-10-14 17:04:52,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 303 transitions, 1249 flow. Second operand has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 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) [2024-10-14 17:04:52,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:52,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 202 [2024-10-14 17:04:52,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:52,923 INFO L124 PetriNetUnfolderBase]: 734/2827 cut-off events. [2024-10-14 17:04:52,923 INFO L125 PetriNetUnfolderBase]: For 1684/1747 co-relation queries the response was YES. [2024-10-14 17:04:52,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6603 conditions, 2827 events. 734/2827 cut-off events. For 1684/1747 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 20497 event pairs, 86 based on Foata normal form. 0/2731 useless extension candidates. Maximal degree in co-relation 6524. Up to 1024 conditions per place. [2024-10-14 17:04:52,936 INFO L140 encePairwiseOnDemand]: 179/202 looper letters, 128 selfloop transitions, 136 changer transitions 4/443 dead transitions. [2024-10-14 17:04:52,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 443 transitions, 2541 flow [2024-10-14 17:04:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1036 transitions. [2024-10-14 17:04:52,939 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8547854785478548 [2024-10-14 17:04:52,939 INFO L175 Difference]: Start difference. First operand has 213 places, 303 transitions, 1249 flow. Second operand 6 states and 1036 transitions. [2024-10-14 17:04:52,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 443 transitions, 2541 flow [2024-10-14 17:04:52,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 443 transitions, 2523 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-10-14 17:04:52,952 INFO L231 Difference]: Finished difference. Result has 223 places, 434 transitions, 2597 flow [2024-10-14 17:04:52,952 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=1231, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2597, PETRI_PLACES=223, PETRI_TRANSITIONS=434} [2024-10-14 17:04:52,953 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 18 predicate places. [2024-10-14 17:04:52,953 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 434 transitions, 2597 flow [2024-10-14 17:04:52,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 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) [2024-10-14 17:04:52,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:52,954 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] [2024-10-14 17:04:52,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:04:52,957 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:52,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:52,958 INFO L85 PathProgramCache]: Analyzing trace with hash 413221397, now seen corresponding path program 1 times [2024-10-14 17:04:52,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:52,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837223125] [2024-10-14 17:04:52,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:52,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:53,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:53,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837223125] [2024-10-14 17:04:53,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837223125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:53,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:53,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:04:53,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536948590] [2024-10-14 17:04:53,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:53,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:04:53,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:53,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:04:53,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:04:54,421 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:04:54,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 434 transitions, 2597 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:04:54,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:54,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:04:54,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:55,330 INFO L124 PetriNetUnfolderBase]: 1151/4142 cut-off events. [2024-10-14 17:04:55,330 INFO L125 PetriNetUnfolderBase]: For 5407/5510 co-relation queries the response was YES. [2024-10-14 17:04:55,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11908 conditions, 4142 events. 1151/4142 cut-off events. For 5407/5510 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 33151 event pairs, 87 based on Foata normal form. 35/4078 useless extension candidates. Maximal degree in co-relation 11821. Up to 880 conditions per place. [2024-10-14 17:04:55,352 INFO L140 encePairwiseOnDemand]: 165/202 looper letters, 349 selfloop transitions, 159 changer transitions 4/658 dead transitions. [2024-10-14 17:04:55,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 658 transitions, 5037 flow [2024-10-14 17:04:55,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 17:04:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-14 17:04:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2119 transitions. [2024-10-14 17:04:55,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7492927864214993 [2024-10-14 17:04:55,356 INFO L175 Difference]: Start difference. First operand has 223 places, 434 transitions, 2597 flow. Second operand 14 states and 2119 transitions. [2024-10-14 17:04:55,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 658 transitions, 5037 flow [2024-10-14 17:04:55,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 658 transitions, 4965 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-10-14 17:04:55,384 INFO L231 Difference]: Finished difference. Result has 246 places, 497 transitions, 3870 flow [2024-10-14 17:04:55,384 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=2561, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3870, PETRI_PLACES=246, PETRI_TRANSITIONS=497} [2024-10-14 17:04:55,385 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 41 predicate places. [2024-10-14 17:04:55,385 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 497 transitions, 3870 flow [2024-10-14 17:04:55,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:04:55,387 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:55,387 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] [2024-10-14 17:04:55,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:04:55,387 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:55,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:55,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1311324693, now seen corresponding path program 2 times [2024-10-14 17:04:55,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:55,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220003480] [2024-10-14 17:04:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:55,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:55,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:55,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220003480] [2024-10-14 17:04:55,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220003480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:55,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:55,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:04:55,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129714083] [2024-10-14 17:04:55,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:55,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:04:55,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:55,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:04:55,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:04:56,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:04:56,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 497 transitions, 3870 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:04:56,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:56,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:04:56,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:57,834 INFO L124 PetriNetUnfolderBase]: 1262/4600 cut-off events. [2024-10-14 17:04:57,834 INFO L125 PetriNetUnfolderBase]: For 9508/9606 co-relation queries the response was YES. [2024-10-14 17:04:57,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14581 conditions, 4600 events. 1262/4600 cut-off events. For 9508/9606 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 37356 event pairs, 132 based on Foata normal form. 39/4520 useless extension candidates. Maximal degree in co-relation 14480. Up to 891 conditions per place. [2024-10-14 17:04:57,865 INFO L140 encePairwiseOnDemand]: 181/202 looper letters, 440 selfloop transitions, 103 changer transitions 0/689 dead transitions. [2024-10-14 17:04:57,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 689 transitions, 6414 flow [2024-10-14 17:04:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 17:04:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-14 17:04:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2711 transitions. [2024-10-14 17:04:57,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7063574778530485 [2024-10-14 17:04:57,871 INFO L175 Difference]: Start difference. First operand has 246 places, 497 transitions, 3870 flow. Second operand 19 states and 2711 transitions. [2024-10-14 17:04:57,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 689 transitions, 6414 flow [2024-10-14 17:04:57,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 689 transitions, 6409 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-14 17:04:57,905 INFO L231 Difference]: Finished difference. Result has 270 places, 552 transitions, 4685 flow [2024-10-14 17:04:57,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=3865, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4685, PETRI_PLACES=270, PETRI_TRANSITIONS=552} [2024-10-14 17:04:57,907 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 65 predicate places. [2024-10-14 17:04:57,908 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 552 transitions, 4685 flow [2024-10-14 17:04:57,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:04:57,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:57,910 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:04:57,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:04:57,910 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:04:57,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:57,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1465490831, now seen corresponding path program 3 times [2024-10-14 17:04:57,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:57,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508012661] [2024-10-14 17:04:57,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:57,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:58,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:58,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508012661] [2024-10-14 17:04:58,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508012661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:58,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:58,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:04:58,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366571047] [2024-10-14 17:04:58,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:58,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:04:58,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:58,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:04:58,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:04:59,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:04:59,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 552 transitions, 4685 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:04:59,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:59,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:04:59,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:00,387 INFO L124 PetriNetUnfolderBase]: 1719/6060 cut-off events. [2024-10-14 17:05:00,387 INFO L125 PetriNetUnfolderBase]: For 17015/17177 co-relation queries the response was YES. [2024-10-14 17:05:00,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20739 conditions, 6060 events. 1719/6060 cut-off events. For 17015/17177 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 53937 event pairs, 108 based on Foata normal form. 49/5954 useless extension candidates. Maximal degree in co-relation 20628. Up to 1224 conditions per place. [2024-10-14 17:05:00,427 INFO L140 encePairwiseOnDemand]: 173/202 looper letters, 414 selfloop transitions, 210 changer transitions 0/770 dead transitions. [2024-10-14 17:05:00,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 770 transitions, 8081 flow [2024-10-14 17:05:00,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 17:05:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-14 17:05:00,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2591 transitions. [2024-10-14 17:05:00,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7125962596259626 [2024-10-14 17:05:00,433 INFO L175 Difference]: Start difference. First operand has 270 places, 552 transitions, 4685 flow. Second operand 18 states and 2591 transitions. [2024-10-14 17:05:00,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 770 transitions, 8081 flow [2024-10-14 17:05:00,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 770 transitions, 8049 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:00,496 INFO L231 Difference]: Finished difference. Result has 290 places, 630 transitions, 6635 flow [2024-10-14 17:05:00,496 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=4659, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6635, PETRI_PLACES=290, PETRI_TRANSITIONS=630} [2024-10-14 17:05:00,497 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 85 predicate places. [2024-10-14 17:05:00,497 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 630 transitions, 6635 flow [2024-10-14 17:05:00,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:00,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:00,498 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] [2024-10-14 17:05:00,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 17:05:00,498 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:00,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:00,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1587284471, now seen corresponding path program 4 times [2024-10-14 17:05:00,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:00,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119521919] [2024-10-14 17:05:00,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:00,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:01,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:01,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119521919] [2024-10-14 17:05:01,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119521919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:01,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:01,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:01,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088303134] [2024-10-14 17:05:01,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:01,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:01,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:01,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:01,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:01,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:05:01,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 630 transitions, 6635 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:01,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:01,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:05:01,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:03,203 INFO L124 PetriNetUnfolderBase]: 2381/8468 cut-off events. [2024-10-14 17:05:03,204 INFO L125 PetriNetUnfolderBase]: For 33171/33521 co-relation queries the response was YES. [2024-10-14 17:05:03,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30432 conditions, 8468 events. 2381/8468 cut-off events. For 33171/33521 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 84006 event pairs, 231 based on Foata normal form. 77/8339 useless extension candidates. Maximal degree in co-relation 30312. Up to 2526 conditions per place. [2024-10-14 17:05:03,257 INFO L140 encePairwiseOnDemand]: 169/202 looper letters, 442 selfloop transitions, 267 changer transitions 1/856 dead transitions. [2024-10-14 17:05:03,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 856 transitions, 10784 flow [2024-10-14 17:05:03,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 17:05:03,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-14 17:05:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2156 transitions. [2024-10-14 17:05:03,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7115511551155116 [2024-10-14 17:05:03,263 INFO L175 Difference]: Start difference. First operand has 290 places, 630 transitions, 6635 flow. Second operand 15 states and 2156 transitions. [2024-10-14 17:05:03,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 856 transitions, 10784 flow [2024-10-14 17:05:03,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 856 transitions, 10729 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-10-14 17:05:03,359 INFO L231 Difference]: Finished difference. Result has 305 places, 742 transitions, 9634 flow [2024-10-14 17:05:03,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=6601, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=630, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9634, PETRI_PLACES=305, PETRI_TRANSITIONS=742} [2024-10-14 17:05:03,362 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 100 predicate places. [2024-10-14 17:05:03,362 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 742 transitions, 9634 flow [2024-10-14 17:05:03,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:03,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:03,363 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:03,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 17:05:03,363 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:03,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash 492375229, now seen corresponding path program 5 times [2024-10-14 17:05:03,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:03,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457565561] [2024-10-14 17:05:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:03,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:03,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457565561] [2024-10-14 17:05:03,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457565561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:03,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:03,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:03,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879527694] [2024-10-14 17:05:03,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:03,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:03,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:03,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:03,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:04,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:05:04,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 742 transitions, 9634 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:04,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:04,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:05:04,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:07,559 INFO L124 PetriNetUnfolderBase]: 3373/11942 cut-off events. [2024-10-14 17:05:07,560 INFO L125 PetriNetUnfolderBase]: For 63044/63637 co-relation queries the response was YES. [2024-10-14 17:05:07,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44888 conditions, 11942 events. 3373/11942 cut-off events. For 63044/63637 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 128259 event pairs, 268 based on Foata normal form. 172/11795 useless extension candidates. Maximal degree in co-relation 44758. Up to 2457 conditions per place. [2024-10-14 17:05:07,726 INFO L140 encePairwiseOnDemand]: 171/202 looper letters, 545 selfloop transitions, 398 changer transitions 0/1089 dead transitions. [2024-10-14 17:05:07,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 1089 transitions, 15922 flow [2024-10-14 17:05:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 17:05:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-14 17:05:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2892 transitions. [2024-10-14 17:05:07,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7158415841584158 [2024-10-14 17:05:07,732 INFO L175 Difference]: Start difference. First operand has 305 places, 742 transitions, 9634 flow. Second operand 20 states and 2892 transitions. [2024-10-14 17:05:07,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 1089 transitions, 15922 flow [2024-10-14 17:05:07,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 1089 transitions, 15839 flow, removed 39 selfloop flow, removed 3 redundant places. [2024-10-14 17:05:07,939 INFO L231 Difference]: Finished difference. Result has 331 places, 877 transitions, 13761 flow [2024-10-14 17:05:07,940 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=9599, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=742, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=13761, PETRI_PLACES=331, PETRI_TRANSITIONS=877} [2024-10-14 17:05:07,942 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 126 predicate places. [2024-10-14 17:05:07,942 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 877 transitions, 13761 flow [2024-10-14 17:05:07,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:07,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:07,943 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] [2024-10-14 17:05:07,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 17:05:07,943 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:07,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:07,944 INFO L85 PathProgramCache]: Analyzing trace with hash 952720691, now seen corresponding path program 6 times [2024-10-14 17:05:07,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:07,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418451602] [2024-10-14 17:05:07,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:08,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:08,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418451602] [2024-10-14 17:05:08,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418451602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:08,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:08,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:08,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961538111] [2024-10-14 17:05:08,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:08,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:08,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:08,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:08,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:09,519 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:05:09,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 877 transitions, 13761 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:09,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:09,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:05:09,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:13,156 INFO L124 PetriNetUnfolderBase]: 4271/15159 cut-off events. [2024-10-14 17:05:13,156 INFO L125 PetriNetUnfolderBase]: For 103872/104758 co-relation queries the response was YES. [2024-10-14 17:05:13,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59328 conditions, 15159 events. 4271/15159 cut-off events. For 103872/104758 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 172332 event pairs, 462 based on Foata normal form. 265/15013 useless extension candidates. Maximal degree in co-relation 59187. Up to 3093 conditions per place. [2024-10-14 17:05:13,305 INFO L140 encePairwiseOnDemand]: 165/202 looper letters, 572 selfloop transitions, 436 changer transitions 4/1158 dead transitions. [2024-10-14 17:05:13,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 1158 transitions, 19799 flow [2024-10-14 17:05:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 17:05:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-14 17:05:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2256 transitions. [2024-10-14 17:05:13,309 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7445544554455445 [2024-10-14 17:05:13,309 INFO L175 Difference]: Start difference. First operand has 331 places, 877 transitions, 13761 flow. Second operand 15 states and 2256 transitions. [2024-10-14 17:05:13,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 1158 transitions, 19799 flow [2024-10-14 17:05:13,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 1158 transitions, 19644 flow, removed 35 selfloop flow, removed 9 redundant places. [2024-10-14 17:05:13,746 INFO L231 Difference]: Finished difference. Result has 347 places, 983 transitions, 18022 flow [2024-10-14 17:05:13,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=13642, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=877, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=331, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=18022, PETRI_PLACES=347, PETRI_TRANSITIONS=983} [2024-10-14 17:05:13,747 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 142 predicate places. [2024-10-14 17:05:13,747 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 983 transitions, 18022 flow [2024-10-14 17:05:13,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:13,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:13,748 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] [2024-10-14 17:05:13,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 17:05:13,748 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:13,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:13,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1844654844, now seen corresponding path program 1 times [2024-10-14 17:05:13,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:13,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908441297] [2024-10-14 17:05:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:14,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:14,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908441297] [2024-10-14 17:05:14,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908441297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:14,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:14,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:14,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677892872] [2024-10-14 17:05:14,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:14,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:14,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:14,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:14,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:14,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 202 [2024-10-14 17:05:14,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 983 transitions, 18022 flow. Second operand has 13 states, 13 states have (on average 138.07692307692307) internal successors, (1795), 13 states have internal predecessors, (1795), 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) [2024-10-14 17:05:14,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:14,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 202 [2024-10-14 17:05:14,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:19,559 INFO L124 PetriNetUnfolderBase]: 5532/18021 cut-off events. [2024-10-14 17:05:19,560 INFO L125 PetriNetUnfolderBase]: For 127823/128355 co-relation queries the response was YES. [2024-10-14 17:05:19,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74592 conditions, 18021 events. 5532/18021 cut-off events. For 127823/128355 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 202854 event pairs, 1013 based on Foata normal form. 105/17695 useless extension candidates. Maximal degree in co-relation 74440. Up to 3939 conditions per place. [2024-10-14 17:05:19,704 INFO L140 encePairwiseOnDemand]: 181/202 looper letters, 494 selfloop transitions, 269 changer transitions 0/1124 dead transitions. [2024-10-14 17:05:19,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 1124 transitions, 21220 flow [2024-10-14 17:05:19,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 17:05:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-14 17:05:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2062 transitions. [2024-10-14 17:05:19,707 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7291371994342292 [2024-10-14 17:05:19,707 INFO L175 Difference]: Start difference. First operand has 347 places, 983 transitions, 18022 flow. Second operand 14 states and 2062 transitions. [2024-10-14 17:05:19,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 1124 transitions, 21220 flow [2024-10-14 17:05:20,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 1124 transitions, 21185 flow, removed 15 selfloop flow, removed 3 redundant places. [2024-10-14 17:05:20,132 INFO L231 Difference]: Finished difference. Result has 362 places, 998 transitions, 19160 flow [2024-10-14 17:05:20,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=17997, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=983, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=717, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19160, PETRI_PLACES=362, PETRI_TRANSITIONS=998} [2024-10-14 17:05:20,133 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 157 predicate places. [2024-10-14 17:05:20,133 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 998 transitions, 19160 flow [2024-10-14 17:05:20,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 138.07692307692307) internal successors, (1795), 13 states have internal predecessors, (1795), 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) [2024-10-14 17:05:20,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:20,134 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] [2024-10-14 17:05:20,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 17:05:20,134 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:20,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:20,135 INFO L85 PathProgramCache]: Analyzing trace with hash -968028325, now seen corresponding path program 7 times [2024-10-14 17:05:20,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:20,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065991229] [2024-10-14 17:05:20,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:20,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:20,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:20,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065991229] [2024-10-14 17:05:20,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065991229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:20,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:20,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:20,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109089071] [2024-10-14 17:05:20,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:20,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:20,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:20,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:20,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:21,395 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:05:21,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 998 transitions, 19160 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:21,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:21,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:05:21,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:25,794 INFO L124 PetriNetUnfolderBase]: 5061/18141 cut-off events. [2024-10-14 17:05:25,795 INFO L125 PetriNetUnfolderBase]: For 169197/170324 co-relation queries the response was YES. [2024-10-14 17:05:25,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80770 conditions, 18141 events. 5061/18141 cut-off events. For 169197/170324 co-relation queries the response was YES. Maximal size of possible extension queue 759. Compared 216520 event pairs, 399 based on Foata normal form. 289/17960 useless extension candidates. Maximal degree in co-relation 80612. Up to 4494 conditions per place. [2024-10-14 17:05:26,089 INFO L140 encePairwiseOnDemand]: 166/202 looper letters, 525 selfloop transitions, 605 changer transitions 3/1285 dead transitions. [2024-10-14 17:05:26,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 1285 transitions, 26371 flow [2024-10-14 17:05:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 17:05:26,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-14 17:05:26,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2224 transitions. [2024-10-14 17:05:26,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.733993399339934 [2024-10-14 17:05:26,100 INFO L175 Difference]: Start difference. First operand has 362 places, 998 transitions, 19160 flow. Second operand 15 states and 2224 transitions. [2024-10-14 17:05:26,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 1285 transitions, 26371 flow [2024-10-14 17:05:26,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1285 transitions, 26091 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-14 17:05:26,604 INFO L231 Difference]: Finished difference. Result has 379 places, 1129 transitions, 25016 flow [2024-10-14 17:05:26,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=18975, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=481, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=25016, PETRI_PLACES=379, PETRI_TRANSITIONS=1129} [2024-10-14 17:05:26,605 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 174 predicate places. [2024-10-14 17:05:26,605 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 1129 transitions, 25016 flow [2024-10-14 17:05:26,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:26,605 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:26,606 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] [2024-10-14 17:05:26,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 17:05:26,606 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:26,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:26,606 INFO L85 PathProgramCache]: Analyzing trace with hash -779533913, now seen corresponding path program 8 times [2024-10-14 17:05:26,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:26,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007108803] [2024-10-14 17:05:26,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:26,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:26,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007108803] [2024-10-14 17:05:26,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007108803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:26,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:26,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597742193] [2024-10-14 17:05:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:26,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:26,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:26,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:26,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:27,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:05:27,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 1129 transitions, 25016 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:27,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:27,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:05:27,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:33,273 INFO L124 PetriNetUnfolderBase]: 5478/19442 cut-off events. [2024-10-14 17:05:33,273 INFO L125 PetriNetUnfolderBase]: For 233927/235243 co-relation queries the response was YES. [2024-10-14 17:05:33,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90984 conditions, 19442 events. 5478/19442 cut-off events. For 233927/235243 co-relation queries the response was YES. Maximal size of possible extension queue 805. Compared 233236 event pairs, 545 based on Foata normal form. 448/19391 useless extension candidates. Maximal degree in co-relation 90815. Up to 3984 conditions per place. [2024-10-14 17:05:33,460 INFO L140 encePairwiseOnDemand]: 173/202 looper letters, 659 selfloop transitions, 602 changer transitions 0/1413 dead transitions. [2024-10-14 17:05:33,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1413 transitions, 32436 flow [2024-10-14 17:05:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 17:05:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-14 17:05:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2736 transitions. [2024-10-14 17:05:33,463 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7128712871287128 [2024-10-14 17:05:33,463 INFO L175 Difference]: Start difference. First operand has 379 places, 1129 transitions, 25016 flow. Second operand 19 states and 2736 transitions. [2024-10-14 17:05:33,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1413 transitions, 32436 flow [2024-10-14 17:05:34,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 1413 transitions, 32361 flow, removed 35 selfloop flow, removed 3 redundant places. [2024-10-14 17:05:34,292 INFO L231 Difference]: Finished difference. Result has 402 places, 1220 transitions, 29680 flow [2024-10-14 17:05:34,293 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=24961, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=514, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=29680, PETRI_PLACES=402, PETRI_TRANSITIONS=1220} [2024-10-14 17:05:34,294 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 197 predicate places. [2024-10-14 17:05:34,294 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 1220 transitions, 29680 flow [2024-10-14 17:05:34,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:34,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:34,295 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] [2024-10-14 17:05:34,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 17:05:34,296 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:34,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:34,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1125404263, now seen corresponding path program 9 times [2024-10-14 17:05:34,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:34,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873273219] [2024-10-14 17:05:34,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:34,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:34,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:34,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873273219] [2024-10-14 17:05:34,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873273219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:34,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:34,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:34,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095322858] [2024-10-14 17:05:34,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:34,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:34,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:34,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:34,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:35,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:05:35,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 1220 transitions, 29680 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:35,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:35,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:05:35,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:41,447 INFO L124 PetriNetUnfolderBase]: 5757/20401 cut-off events. [2024-10-14 17:05:41,448 INFO L125 PetriNetUnfolderBase]: For 287616/289001 co-relation queries the response was YES. [2024-10-14 17:05:41,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99367 conditions, 20401 events. 5757/20401 cut-off events. For 287616/289001 co-relation queries the response was YES. Maximal size of possible extension queue 850. Compared 246999 event pairs, 584 based on Foata normal form. 454/20327 useless extension candidates. Maximal degree in co-relation 99189. Up to 4194 conditions per place. [2024-10-14 17:05:41,643 INFO L140 encePairwiseOnDemand]: 173/202 looper letters, 644 selfloop transitions, 649 changer transitions 0/1445 dead transitions. [2024-10-14 17:05:41,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 1445 transitions, 36400 flow [2024-10-14 17:05:41,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 17:05:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-14 17:05:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2734 transitions. [2024-10-14 17:05:41,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7123501823866597 [2024-10-14 17:05:41,646 INFO L175 Difference]: Start difference. First operand has 402 places, 1220 transitions, 29680 flow. Second operand 19 states and 2734 transitions. [2024-10-14 17:05:41,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 1445 transitions, 36400 flow [2024-10-14 17:05:42,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 1445 transitions, 36192 flow, removed 62 selfloop flow, removed 9 redundant places. [2024-10-14 17:05:42,708 INFO L231 Difference]: Finished difference. Result has 418 places, 1291 transitions, 34454 flow [2024-10-14 17:05:42,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=29476, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=579, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=34454, PETRI_PLACES=418, PETRI_TRANSITIONS=1291} [2024-10-14 17:05:42,709 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 213 predicate places. [2024-10-14 17:05:42,709 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 1291 transitions, 34454 flow [2024-10-14 17:05:42,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:42,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:42,710 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] [2024-10-14 17:05:42,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 17:05:42,710 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:42,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:42,710 INFO L85 PathProgramCache]: Analyzing trace with hash -205405937, now seen corresponding path program 10 times [2024-10-14 17:05:42,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:42,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745210442] [2024-10-14 17:05:42,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:42,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:43,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:43,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745210442] [2024-10-14 17:05:43,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745210442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:43,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:43,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:43,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334274658] [2024-10-14 17:05:43,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:43,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:43,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:43,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:43,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:44,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:05:44,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 1291 transitions, 34454 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:44,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:44,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:05:44,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:50,890 INFO L124 PetriNetUnfolderBase]: 6007/21307 cut-off events. [2024-10-14 17:05:50,890 INFO L125 PetriNetUnfolderBase]: For 349340/350757 co-relation queries the response was YES. [2024-10-14 17:05:51,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107197 conditions, 21307 events. 6007/21307 cut-off events. For 349340/350757 co-relation queries the response was YES. Maximal size of possible extension queue 893. Compared 260331 event pairs, 603 based on Foata normal form. 502/21268 useless extension candidates. Maximal degree in co-relation 107012. Up to 4377 conditions per place. [2024-10-14 17:05:51,108 INFO L140 encePairwiseOnDemand]: 173/202 looper letters, 709 selfloop transitions, 677 changer transitions 0/1538 dead transitions. [2024-10-14 17:05:51,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 1538 transitions, 42000 flow [2024-10-14 17:05:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 17:05:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-14 17:05:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2736 transitions. [2024-10-14 17:05:51,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7128712871287128 [2024-10-14 17:05:51,111 INFO L175 Difference]: Start difference. First operand has 418 places, 1291 transitions, 34454 flow. Second operand 19 states and 2736 transitions. [2024-10-14 17:05:51,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 1538 transitions, 42000 flow [2024-10-14 17:05:52,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 1538 transitions, 41632 flow, removed 57 selfloop flow, removed 11 redundant places. [2024-10-14 17:05:52,099 INFO L231 Difference]: Finished difference. Result has 432 places, 1370 transitions, 39239 flow [2024-10-14 17:05:52,100 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=34123, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=600, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=39239, PETRI_PLACES=432, PETRI_TRANSITIONS=1370} [2024-10-14 17:05:52,100 INFO L277 CegarLoopForPetriNet]: 205 programPoint places, 227 predicate places. [2024-10-14 17:05:52,100 INFO L471 AbstractCegarLoop]: Abstraction has has 432 places, 1370 transitions, 39239 flow [2024-10-14 17:05:52,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:52,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:52,101 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] [2024-10-14 17:05:52,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 17:05:52,101 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:05:52,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:52,102 INFO L85 PathProgramCache]: Analyzing trace with hash 347088887, now seen corresponding path program 11 times [2024-10-14 17:05:52,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:52,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331559270] [2024-10-14 17:05:52,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:52,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:52,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:52,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331559270] [2024-10-14 17:05:52,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331559270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:52,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:52,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 17:05:52,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764159271] [2024-10-14 17:05:52,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:52,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 17:05:52,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:52,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 17:05:52,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:53,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 202 [2024-10-14 17:05:53,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 1370 transitions, 39239 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 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) [2024-10-14 17:05:53,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:53,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 202 [2024-10-14 17:05:53,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand