./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_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 c4f9d381010c40c0aeec814019363f065d1b11569cf33ee927950bcd4ef29f20 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:50:10,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:50:10,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:50:10,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:50:10,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:50:10,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:50:10,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:50:10,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:50:10,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:50:10,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:50:10,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:50:10,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:50:10,528 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:50:10,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:50:10,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:50:10,529 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:50:10,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:50:10,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:50:10,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:50:10,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:50:10,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:50:10,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:50:10,533 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:50:10,533 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:50:10,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:50:10,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:50:10,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:50:10,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:50:10,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:50:10,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:50:10,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:50:10,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:50:10,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:50:10,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:50:10,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:50:10,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:50:10,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:50:10,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:50:10,538 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:50:10,538 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:50:10,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:50:10,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4f9d381010c40c0aeec814019363f065d1b11569cf33ee927950bcd4ef29f20 [2024-11-22 17:50:10,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:50:10,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:50:10,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:50:10,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:50:10,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:50:10,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i [2024-11-22 17:50:12,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:50:12,532 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:50:12,533 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i [2024-11-22 17:50:12,549 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2913af1d/f2d694d6cb51415193ec368f59b4cda4/FLAG62fe2a4ca [2024-11-22 17:50:12,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2913af1d/f2d694d6cb51415193ec368f59b4cda4 [2024-11-22 17:50:12,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:50:12,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:50:12,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:50:12,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:50:12,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:50:12,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:50:12" (1/1) ... [2024-11-22 17:50:12,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4c3199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:12, skipping insertion in model container [2024-11-22 17:50:12,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:50:12" (1/1) ... [2024-11-22 17:50:12,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:50:13,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:50:13,233 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:50:13,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:50:13,359 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:50:13,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13 WrapperNode [2024-11-22 17:50:13,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:50:13,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:50:13,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:50:13,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:50:13,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,450 INFO L138 Inliner]: procedures = 372, calls = 88, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 300 [2024-11-22 17:50:13,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:50:13,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:50:13,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:50:13,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:50:13,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:50:13,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:50:13,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:50:13,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:50:13,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:50:13,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:13,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:50:13,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:50:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-22 17:50:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-22 17:50:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:50:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:50:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:50:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:50:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:50:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:50:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-22 17:50:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:50:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:50:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:50:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:50:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:50:13,615 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:50:13,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:50:13,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:50:14,376 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:50:14,377 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:50:14,420 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:50:14,420 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 17:50:14,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:50:14 BoogieIcfgContainer [2024-11-22 17:50:14,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:50:14,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:50:14,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:50:14,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:50:14,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:50:12" (1/3) ... [2024-11-22 17:50:14,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fe05d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:50:14, skipping insertion in model container [2024-11-22 17:50:14,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (2/3) ... [2024-11-22 17:50:14,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fe05d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:50:14, skipping insertion in model container [2024-11-22 17:50:14,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:50:14" (3/3) ... [2024-11-22 17:50:14,432 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_11-arraylist_nr.i [2024-11-22 17:50:14,449 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:50:14,450 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-22 17:50:14,451 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:50:14,568 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:50:14,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 339 places, 341 transitions, 686 flow [2024-11-22 17:50:14,747 INFO L124 PetriNetUnfolderBase]: 6/340 cut-off events. [2024-11-22 17:50:14,747 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:14,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 340 events. 6/340 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 398 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 212. Up to 2 conditions per place. [2024-11-22 17:50:14,754 INFO L82 GeneralOperation]: Start removeDead. Operand has 339 places, 341 transitions, 686 flow [2024-11-22 17:50:14,761 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 338 places, 340 transitions, 683 flow [2024-11-22 17:50:14,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:50:14,784 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;@10ab992c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:50:14,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-22 17:50:14,810 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:50:14,811 INFO L124 PetriNetUnfolderBase]: 4/129 cut-off events. [2024-11-22 17:50:14,811 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:14,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:14,812 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] [2024-11-22 17:50:14,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:14,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:14,819 INFO L85 PathProgramCache]: Analyzing trace with hash 131685964, now seen corresponding path program 1 times [2024-11-22 17:50:14,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:14,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420468337] [2024-11-22 17:50:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:14,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:15,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:15,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420468337] [2024-11-22 17:50:15,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420468337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:15,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:15,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:50:15,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645606270] [2024-11-22 17:50:15,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:15,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:50:15,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:15,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:50:15,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:50:15,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 341 [2024-11-22 17:50:15,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 340 transitions, 683 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:15,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:15,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 341 [2024-11-22 17:50:15,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:15,534 INFO L124 PetriNetUnfolderBase]: 8/416 cut-off events. [2024-11-22 17:50:15,534 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:50:15,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 416 events. 8/416 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 873 event pairs, 6 based on Foata normal form. 6/391 useless extension candidates. Maximal degree in co-relation 219. Up to 24 conditions per place. [2024-11-22 17:50:15,539 INFO L140 encePairwiseOnDemand]: 334/341 looper letters, 10 selfloop transitions, 2 changer transitions 1/337 dead transitions. [2024-11-22 17:50:15,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 337 transitions, 701 flow [2024-11-22 17:50:15,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:50:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:50:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2024-11-22 17:50:15,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9736070381231672 [2024-11-22 17:50:15,593 INFO L175 Difference]: Start difference. First operand has 338 places, 340 transitions, 683 flow. Second operand 3 states and 996 transitions. [2024-11-22 17:50:15,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 337 transitions, 701 flow [2024-11-22 17:50:15,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 337 transitions, 700 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:15,623 INFO L231 Difference]: Finished difference. Result has 340 places, 336 transitions, 684 flow [2024-11-22 17:50:15,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=340, PETRI_TRANSITIONS=336} [2024-11-22 17:50:15,640 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 2 predicate places. [2024-11-22 17:50:15,640 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 336 transitions, 684 flow [2024-11-22 17:50:15,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:15,645 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:15,645 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:15,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:50:15,646 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:15,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:15,647 INFO L85 PathProgramCache]: Analyzing trace with hash -917716216, now seen corresponding path program 1 times [2024-11-22 17:50:15,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:15,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503773469] [2024-11-22 17:50:15,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:15,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:15,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:15,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503773469] [2024-11-22 17:50:15,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503773469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:15,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020386114] [2024-11-22 17:50:15,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:15,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:15,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:15,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:15,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 17:50:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:16,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 17:50:16,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:16,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:16,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020386114] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:16,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:16,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 17:50:16,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103132557] [2024-11-22 17:50:16,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:16,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 17:50:16,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:16,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 17:50:16,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 17:50:16,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-22 17:50:16,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 336 transitions, 684 flow. Second operand has 10 states, 10 states have (on average 324.8) internal successors, (3248), 10 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:16,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:16,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-22 17:50:16,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:16,459 INFO L124 PetriNetUnfolderBase]: 8/422 cut-off events. [2024-11-22 17:50:16,459 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:50:16,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 422 events. 8/422 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 866 event pairs, 6 based on Foata normal form. 2/394 useless extension candidates. Maximal degree in co-relation 384. Up to 24 conditions per place. [2024-11-22 17:50:16,462 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 9 changer transitions 0/344 dead transitions. [2024-11-22 17:50:16,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 344 transitions, 748 flow [2024-11-22 17:50:16,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 17:50:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 17:50:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2932 transitions. [2024-11-22 17:50:16,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9553600521342457 [2024-11-22 17:50:16,471 INFO L175 Difference]: Start difference. First operand has 340 places, 336 transitions, 684 flow. Second operand 9 states and 2932 transitions. [2024-11-22 17:50:16,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 344 transitions, 748 flow [2024-11-22 17:50:16,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 344 transitions, 746 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:16,482 INFO L231 Difference]: Finished difference. Result has 349 places, 342 transitions, 732 flow [2024-11-22 17:50:16,483 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=732, PETRI_PLACES=349, PETRI_TRANSITIONS=342} [2024-11-22 17:50:16,484 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 11 predicate places. [2024-11-22 17:50:16,484 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 342 transitions, 732 flow [2024-11-22 17:50:16,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 324.8) internal successors, (3248), 10 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:16,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:16,487 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:16,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 17:50:16,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:16,689 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:16,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1486921096, now seen corresponding path program 2 times [2024-11-22 17:50:16,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:16,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076479954] [2024-11-22 17:50:16,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:16,733 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:16,733 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 17:50:17,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:17,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076479954] [2024-11-22 17:50:17,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076479954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:17,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:17,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:17,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164803375] [2024-11-22 17:50:17,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:17,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:17,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:17,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:17,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:17,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 341 [2024-11-22 17:50:17,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 342 transitions, 732 flow. Second operand has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:17,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:17,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 341 [2024-11-22 17:50:17,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:18,093 INFO L124 PetriNetUnfolderBase]: 366/1706 cut-off events. [2024-11-22 17:50:18,093 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-22 17:50:18,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2548 conditions, 1706 events. 366/1706 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10137 event pairs, 364 based on Foata normal form. 0/1580 useless extension candidates. Maximal degree in co-relation 2435. Up to 800 conditions per place. [2024-11-22 17:50:18,106 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 10 changer transitions 0/340 dead transitions. [2024-11-22 17:50:18,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 340 transitions, 890 flow [2024-11-22 17:50:18,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1607 transitions. [2024-11-22 17:50:18,110 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7854349951124144 [2024-11-22 17:50:18,110 INFO L175 Difference]: Start difference. First operand has 349 places, 342 transitions, 732 flow. Second operand 6 states and 1607 transitions. [2024-11-22 17:50:18,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 340 transitions, 890 flow [2024-11-22 17:50:18,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 340 transitions, 884 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:18,152 INFO L231 Difference]: Finished difference. Result has 351 places, 340 transitions, 742 flow [2024-11-22 17:50:18,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=742, PETRI_PLACES=351, PETRI_TRANSITIONS=340} [2024-11-22 17:50:18,156 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 13 predicate places. [2024-11-22 17:50:18,156 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 340 transitions, 742 flow [2024-11-22 17:50:18,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:18,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:18,158 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:18,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:50:18,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:18,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1020736967, now seen corresponding path program 1 times [2024-11-22 17:50:18,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:18,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976785139] [2024-11-22 17:50:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:18,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 17:50:18,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:18,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976785139] [2024-11-22 17:50:18,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976785139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:18,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:18,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:50:18,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561618015] [2024-11-22 17:50:18,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:18,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:50:18,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:18,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:50:18,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:50:18,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 341 [2024-11-22 17:50:18,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 340 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:18,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:18,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 341 [2024-11-22 17:50:18,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:18,361 INFO L124 PetriNetUnfolderBase]: 8/531 cut-off events. [2024-11-22 17:50:18,362 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:18,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 531 events. 8/531 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 861 event pairs, 6 based on Foata normal form. 1/498 useless extension candidates. Maximal degree in co-relation 494. Up to 24 conditions per place. [2024-11-22 17:50:18,365 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2024-11-22 17:50:18,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 341 transitions, 768 flow [2024-11-22 17:50:18,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:50:18,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:50:18,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 991 transitions. [2024-11-22 17:50:18,368 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9687194525904204 [2024-11-22 17:50:18,368 INFO L175 Difference]: Start difference. First operand has 351 places, 340 transitions, 742 flow. Second operand 3 states and 991 transitions. [2024-11-22 17:50:18,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 341 transitions, 768 flow [2024-11-22 17:50:18,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 341 transitions, 748 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:18,375 INFO L231 Difference]: Finished difference. Result has 349 places, 341 transitions, 734 flow [2024-11-22 17:50:18,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=349, PETRI_TRANSITIONS=341} [2024-11-22 17:50:18,376 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 11 predicate places. [2024-11-22 17:50:18,377 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 341 transitions, 734 flow [2024-11-22 17:50:18,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:18,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:18,378 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:18,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:50:18,378 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:18,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:18,379 INFO L85 PathProgramCache]: Analyzing trace with hash -208651969, now seen corresponding path program 1 times [2024-11-22 17:50:18,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:18,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472068344] [2024-11-22 17:50:18,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:18,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:18,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:18,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472068344] [2024-11-22 17:50:18,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472068344] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:18,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802066007] [2024-11-22 17:50:18,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:18,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:18,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:18,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:18,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 17:50:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:18,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 17:50:18,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:18,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:19,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802066007] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:19,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:19,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-22 17:50:19,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459844577] [2024-11-22 17:50:19,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:19,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 17:50:19,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:19,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 17:50:19,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-22 17:50:19,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-22 17:50:19,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 341 transitions, 734 flow. Second operand has 18 states, 18 states have (on average 324.8888888888889) internal successors, (5848), 18 states have internal predecessors, (5848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:19,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:19,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-22 17:50:19,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:19,356 INFO L124 PetriNetUnfolderBase]: 8/551 cut-off events. [2024-11-22 17:50:19,356 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-22 17:50:19,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 551 events. 8/551 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 863 event pairs, 6 based on Foata normal form. 4/521 useless extension candidates. Maximal degree in co-relation 476. Up to 24 conditions per place. [2024-11-22 17:50:19,359 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 18 selfloop transitions, 21 changer transitions 0/359 dead transitions. [2024-11-22 17:50:19,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 359 transitions, 900 flow [2024-11-22 17:50:19,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 17:50:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-22 17:50:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6826 transitions. [2024-11-22 17:50:19,374 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9532188241865661 [2024-11-22 17:50:19,374 INFO L175 Difference]: Start difference. First operand has 349 places, 341 transitions, 734 flow. Second operand 21 states and 6826 transitions. [2024-11-22 17:50:19,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 359 transitions, 900 flow [2024-11-22 17:50:19,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 359 transitions, 898 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:19,383 INFO L231 Difference]: Finished difference. Result has 373 places, 354 transitions, 862 flow [2024-11-22 17:50:19,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=862, PETRI_PLACES=373, PETRI_TRANSITIONS=354} [2024-11-22 17:50:19,386 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 35 predicate places. [2024-11-22 17:50:19,387 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 354 transitions, 862 flow [2024-11-22 17:50:19,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 324.8888888888889) internal successors, (5848), 18 states have internal predecessors, (5848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:19,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:19,391 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:19,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 17:50:19,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:19,592 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:19,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash 904760895, now seen corresponding path program 2 times [2024-11-22 17:50:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:19,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759736207] [2024-11-22 17:50:19,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:19,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:19,615 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:19,616 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 17:50:19,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:19,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759736207] [2024-11-22 17:50:19,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759736207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:19,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:19,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:19,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134478915] [2024-11-22 17:50:19,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:19,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:19,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:19,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:19,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:20,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 341 [2024-11-22 17:50:20,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 354 transitions, 862 flow. Second operand has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:20,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:20,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 341 [2024-11-22 17:50:20,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:20,821 INFO L124 PetriNetUnfolderBase]: 366/1833 cut-off events. [2024-11-22 17:50:20,821 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-22 17:50:20,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2783 conditions, 1833 events. 366/1833 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10076 event pairs, 364 based on Foata normal form. 0/1705 useless extension candidates. Maximal degree in co-relation 2590. Up to 830 conditions per place. [2024-11-22 17:50:20,832 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 10 changer transitions 0/352 dead transitions. [2024-11-22 17:50:20,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 352 transitions, 1020 flow [2024-11-22 17:50:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:20,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1607 transitions. [2024-11-22 17:50:20,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7854349951124144 [2024-11-22 17:50:20,837 INFO L175 Difference]: Start difference. First operand has 373 places, 354 transitions, 862 flow. Second operand 6 states and 1607 transitions. [2024-11-22 17:50:20,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 352 transitions, 1020 flow [2024-11-22 17:50:20,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 352 transitions, 996 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-22 17:50:20,845 INFO L231 Difference]: Finished difference. Result has 370 places, 352 transitions, 854 flow [2024-11-22 17:50:20,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=854, PETRI_PLACES=370, PETRI_TRANSITIONS=352} [2024-11-22 17:50:20,847 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 32 predicate places. [2024-11-22 17:50:20,847 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 352 transitions, 854 flow [2024-11-22 17:50:20,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:20,848 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:20,848 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:20,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:50:20,849 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:20,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:20,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1698947467, now seen corresponding path program 1 times [2024-11-22 17:50:20,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:20,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464335818] [2024-11-22 17:50:20,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:20,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:21,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:21,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464335818] [2024-11-22 17:50:21,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464335818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:21,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16058554] [2024-11-22 17:50:21,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:21,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:21,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:21,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:21,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 17:50:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:21,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 17:50:21,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:21,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:21,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16058554] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:21,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:21,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-22 17:50:21,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897917480] [2024-11-22 17:50:21,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:21,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 17:50:21,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:21,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 17:50:21,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-22 17:50:21,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-22 17:50:21,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 352 transitions, 854 flow. Second operand has 23 states, 23 states have (on average 325.0) internal successors, (7475), 23 states have internal predecessors, (7475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:21,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:21,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-22 17:50:21,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:22,020 INFO L124 PetriNetUnfolderBase]: 8/562 cut-off events. [2024-11-22 17:50:22,021 INFO L125 PetriNetUnfolderBase]: For 140/140 co-relation queries the response was YES. [2024-11-22 17:50:22,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 562 events. 8/562 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 845 event pairs, 6 based on Foata normal form. 3/535 useless extension candidates. Maximal degree in co-relation 498. Up to 24 conditions per place. [2024-11-22 17:50:22,024 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 21 selfloop transitions, 30 changer transitions 0/369 dead transitions. [2024-11-22 17:50:22,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 369 transitions, 1078 flow [2024-11-22 17:50:22,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 17:50:22,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-22 17:50:22,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9744 transitions. [2024-11-22 17:50:22,041 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9524926686217009 [2024-11-22 17:50:22,042 INFO L175 Difference]: Start difference. First operand has 370 places, 352 transitions, 854 flow. Second operand 30 states and 9744 transitions. [2024-11-22 17:50:22,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 369 transitions, 1078 flow [2024-11-22 17:50:22,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 369 transitions, 1058 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:22,050 INFO L231 Difference]: Finished difference. Result has 398 places, 362 transitions, 986 flow [2024-11-22 17:50:22,051 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=986, PETRI_PLACES=398, PETRI_TRANSITIONS=362} [2024-11-22 17:50:22,051 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 60 predicate places. [2024-11-22 17:50:22,051 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 362 transitions, 986 flow [2024-11-22 17:50:22,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 325.0) internal successors, (7475), 23 states have internal predecessors, (7475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:22,054 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:22,055 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:22,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 17:50:22,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:22,256 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:22,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:22,257 INFO L85 PathProgramCache]: Analyzing trace with hash 666709711, now seen corresponding path program 2 times [2024-11-22 17:50:22,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:22,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037681128] [2024-11-22 17:50:22,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:22,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:22,289 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:22,293 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:22,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037681128] [2024-11-22 17:50:22,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037681128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:22,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:22,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:22,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406463365] [2024-11-22 17:50:22,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:22,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:22,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:22,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:22,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:23,264 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 341 [2024-11-22 17:50:23,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 362 transitions, 986 flow. Second operand has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:23,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:23,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 341 [2024-11-22 17:50:23,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:23,645 INFO L124 PetriNetUnfolderBase]: 392/1935 cut-off events. [2024-11-22 17:50:23,646 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2024-11-22 17:50:23,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3012 conditions, 1935 events. 392/1935 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10874 event pairs, 390 based on Foata normal form. 0/1804 useless extension candidates. Maximal degree in co-relation 2740. Up to 899 conditions per place. [2024-11-22 17:50:23,656 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 83 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-11-22 17:50:23,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 361 transitions, 1160 flow [2024-11-22 17:50:23,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1582 transitions. [2024-11-22 17:50:23,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7732160312805474 [2024-11-22 17:50:23,660 INFO L175 Difference]: Start difference. First operand has 398 places, 362 transitions, 986 flow. Second operand 6 states and 1582 transitions. [2024-11-22 17:50:23,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 361 transitions, 1160 flow [2024-11-22 17:50:23,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 361 transitions, 1114 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-22 17:50:23,667 INFO L231 Difference]: Finished difference. Result has 384 places, 361 transitions, 948 flow [2024-11-22 17:50:23,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=948, PETRI_PLACES=384, PETRI_TRANSITIONS=361} [2024-11-22 17:50:23,669 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 46 predicate places. [2024-11-22 17:50:23,669 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 361 transitions, 948 flow [2024-11-22 17:50:23,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:23,669 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:23,670 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:23,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:50:23,670 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:23,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:23,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1575483179, now seen corresponding path program 1 times [2024-11-22 17:50:23,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:23,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745380906] [2024-11-22 17:50:23,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:23,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:24,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:24,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745380906] [2024-11-22 17:50:24,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745380906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:24,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:24,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:24,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77792596] [2024-11-22 17:50:24,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:24,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:24,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:24,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:24,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:24,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 341 [2024-11-22 17:50:24,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 361 transitions, 948 flow. Second operand has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:24,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:24,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 341 [2024-11-22 17:50:24,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:25,178 INFO L124 PetriNetUnfolderBase]: 56/801 cut-off events. [2024-11-22 17:50:25,178 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-22 17:50:25,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 801 events. 56/801 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2634 event pairs, 54 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 911. Up to 195 conditions per place. [2024-11-22 17:50:25,182 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 57 selfloop transitions, 5 changer transitions 0/360 dead transitions. [2024-11-22 17:50:25,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 360 transitions, 1070 flow [2024-11-22 17:50:25,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1712 transitions. [2024-11-22 17:50:25,187 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8367546432062561 [2024-11-22 17:50:25,187 INFO L175 Difference]: Start difference. First operand has 384 places, 361 transitions, 948 flow. Second operand 6 states and 1712 transitions. [2024-11-22 17:50:25,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 360 transitions, 1070 flow [2024-11-22 17:50:25,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 360 transitions, 1060 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:25,195 INFO L231 Difference]: Finished difference. Result has 383 places, 360 transitions, 946 flow [2024-11-22 17:50:25,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=383, PETRI_TRANSITIONS=360} [2024-11-22 17:50:25,196 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 45 predicate places. [2024-11-22 17:50:25,196 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 360 transitions, 946 flow [2024-11-22 17:50:25,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:25,197 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:25,197 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:25,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:50:25,197 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:25,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:25,198 INFO L85 PathProgramCache]: Analyzing trace with hash -573299907, now seen corresponding path program 1 times [2024-11-22 17:50:25,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:25,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017335427] [2024-11-22 17:50:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:25,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:25,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017335427] [2024-11-22 17:50:25,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017335427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:25,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:25,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:25,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148521864] [2024-11-22 17:50:25,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:25,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:25,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:25,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:25,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:26,334 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-22 17:50:26,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 360 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:26,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:26,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-22 17:50:26,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:26,502 INFO L124 PetriNetUnfolderBase]: 38/716 cut-off events. [2024-11-22 17:50:26,502 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-22 17:50:26,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 716 events. 38/716 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2096 event pairs, 36 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 791. Up to 158 conditions per place. [2024-11-22 17:50:26,506 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 53 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-11-22 17:50:26,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 359 transitions, 1060 flow [2024-11-22 17:50:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1727 transitions. [2024-11-22 17:50:26,510 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440860215053764 [2024-11-22 17:50:26,510 INFO L175 Difference]: Start difference. First operand has 383 places, 360 transitions, 946 flow. Second operand 6 states and 1727 transitions. [2024-11-22 17:50:26,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 359 transitions, 1060 flow [2024-11-22 17:50:26,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 359 transitions, 1050 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:26,517 INFO L231 Difference]: Finished difference. Result has 382 places, 359 transitions, 944 flow [2024-11-22 17:50:26,518 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=944, PETRI_PLACES=382, PETRI_TRANSITIONS=359} [2024-11-22 17:50:26,520 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 44 predicate places. [2024-11-22 17:50:26,520 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 359 transitions, 944 flow [2024-11-22 17:50:26,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:26,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:26,521 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:26,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:50:26,522 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:26,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:26,523 INFO L85 PathProgramCache]: Analyzing trace with hash -847986315, now seen corresponding path program 1 times [2024-11-22 17:50:26,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:26,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291603026] [2024-11-22 17:50:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:26,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:27,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:27,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291603026] [2024-11-22 17:50:27,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291603026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:27,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:27,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:27,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930328848] [2024-11-22 17:50:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:27,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:27,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:27,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:27,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:27,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 341 [2024-11-22 17:50:27,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 359 transitions, 944 flow. Second operand has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:27,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:27,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 341 [2024-11-22 17:50:27,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:27,992 INFO L124 PetriNetUnfolderBase]: 366/1840 cut-off events. [2024-11-22 17:50:27,992 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-22 17:50:27,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2852 conditions, 1840 events. 366/1840 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10082 event pairs, 364 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2603. Up to 846 conditions per place. [2024-11-22 17:50:28,004 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 79 selfloop transitions, 5 changer transitions 0/358 dead transitions. [2024-11-22 17:50:28,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 358 transitions, 1110 flow [2024-11-22 17:50:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1597 transitions. [2024-11-22 17:50:28,010 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7805474095796676 [2024-11-22 17:50:28,010 INFO L175 Difference]: Start difference. First operand has 382 places, 359 transitions, 944 flow. Second operand 6 states and 1597 transitions. [2024-11-22 17:50:28,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 358 transitions, 1110 flow [2024-11-22 17:50:28,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 358 transitions, 1100 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:28,018 INFO L231 Difference]: Finished difference. Result has 381 places, 358 transitions, 942 flow [2024-11-22 17:50:28,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=381, PETRI_TRANSITIONS=358} [2024-11-22 17:50:28,019 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 43 predicate places. [2024-11-22 17:50:28,019 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 358 transitions, 942 flow [2024-11-22 17:50:28,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:28,020 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:28,020 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:28,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:50:28,021 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:28,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:28,021 INFO L85 PathProgramCache]: Analyzing trace with hash -851926548, now seen corresponding path program 1 times [2024-11-22 17:50:28,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:28,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131486629] [2024-11-22 17:50:28,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:28,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:28,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:28,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131486629] [2024-11-22 17:50:28,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131486629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:28,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:28,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:28,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936110598] [2024-11-22 17:50:28,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:28,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:28,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:28,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:28,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:28,991 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 341 [2024-11-22 17:50:28,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 358 transitions, 942 flow. Second operand has 6 states, 6 states have (on average 259.6666666666667) internal successors, (1558), 6 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:28,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:28,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 341 [2024-11-22 17:50:28,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:29,434 INFO L124 PetriNetUnfolderBase]: 366/1838 cut-off events. [2024-11-22 17:50:29,434 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-22 17:50:29,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2848 conditions, 1838 events. 366/1838 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10080 event pairs, 364 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2599. Up to 844 conditions per place. [2024-11-22 17:50:29,444 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 78 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2024-11-22 17:50:29,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 357 transitions, 1106 flow [2024-11-22 17:50:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:29,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1602 transitions. [2024-11-22 17:50:29,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.782991202346041 [2024-11-22 17:50:29,447 INFO L175 Difference]: Start difference. First operand has 381 places, 358 transitions, 942 flow. Second operand 6 states and 1602 transitions. [2024-11-22 17:50:29,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 357 transitions, 1106 flow [2024-11-22 17:50:29,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 357 transitions, 1096 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:29,455 INFO L231 Difference]: Finished difference. Result has 380 places, 357 transitions, 940 flow [2024-11-22 17:50:29,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=940, PETRI_PLACES=380, PETRI_TRANSITIONS=357} [2024-11-22 17:50:29,458 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 42 predicate places. [2024-11-22 17:50:29,459 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 357 transitions, 940 flow [2024-11-22 17:50:29,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 259.6666666666667) internal successors, (1558), 6 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:29,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:29,460 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:29,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:50:29,460 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:29,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:29,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1540404025, now seen corresponding path program 1 times [2024-11-22 17:50:29,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:29,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799411341] [2024-11-22 17:50:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:29,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:29,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:29,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799411341] [2024-11-22 17:50:29,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799411341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:29,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647775788] [2024-11-22 17:50:29,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:29,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:29,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:29,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:29,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 17:50:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:29,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 17:50:29,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:30,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:30,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647775788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:30,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:30,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 17:50:30,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970069765] [2024-11-22 17:50:30,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:30,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 17:50:30,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:30,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 17:50:30,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 17:50:30,348 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-22 17:50:30,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 357 transitions, 940 flow. Second operand has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:30,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:30,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-22 17:50:30,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:30,525 INFO L124 PetriNetUnfolderBase]: 8/659 cut-off events. [2024-11-22 17:50:30,525 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-11-22 17:50:30,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 659 events. 8/659 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 394 event pairs, 6 based on Foata normal form. 2/641 useless extension candidates. Maximal degree in co-relation 607. Up to 24 conditions per place. [2024-11-22 17:50:30,528 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 9 changer transitions 0/365 dead transitions. [2024-11-22 17:50:30,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 365 transitions, 1004 flow [2024-11-22 17:50:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 17:50:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 17:50:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2932 transitions. [2024-11-22 17:50:30,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9553600521342457 [2024-11-22 17:50:30,533 INFO L175 Difference]: Start difference. First operand has 380 places, 357 transitions, 940 flow. Second operand 9 states and 2932 transitions. [2024-11-22 17:50:30,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 365 transitions, 1004 flow [2024-11-22 17:50:30,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 365 transitions, 994 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:30,542 INFO L231 Difference]: Finished difference. Result has 386 places, 363 transitions, 980 flow [2024-11-22 17:50:30,543 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=980, PETRI_PLACES=386, PETRI_TRANSITIONS=363} [2024-11-22 17:50:30,544 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 48 predicate places. [2024-11-22 17:50:30,544 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 363 transitions, 980 flow [2024-11-22 17:50:30,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:30,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:30,546 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:30,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 17:50:30,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:30,747 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:30,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:30,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1016461703, now seen corresponding path program 2 times [2024-11-22 17:50:30,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:30,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428101507] [2024-11-22 17:50:30,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:30,835 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:30,835 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2024-11-22 17:50:31,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:31,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428101507] [2024-11-22 17:50:31,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428101507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:31,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:31,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:31,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286996832] [2024-11-22 17:50:31,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:31,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:31,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:31,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:31,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:31,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-22 17:50:31,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 363 transitions, 980 flow. Second operand has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:31,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:31,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-22 17:50:31,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:32,283 INFO L124 PetriNetUnfolderBase]: 258/1966 cut-off events. [2024-11-22 17:50:32,283 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-22 17:50:32,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2769 conditions, 1966 events. 258/1966 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10032 event pairs, 34 based on Foata normal form. 0/1840 useless extension candidates. Maximal degree in co-relation 2516. Up to 491 conditions per place. [2024-11-22 17:50:32,293 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 67 selfloop transitions, 70 changer transitions 0/441 dead transitions. [2024-11-22 17:50:32,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 441 transitions, 1410 flow [2024-11-22 17:50:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1806 transitions. [2024-11-22 17:50:32,296 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8826979472140762 [2024-11-22 17:50:32,296 INFO L175 Difference]: Start difference. First operand has 386 places, 363 transitions, 980 flow. Second operand 6 states and 1806 transitions. [2024-11-22 17:50:32,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 441 transitions, 1410 flow [2024-11-22 17:50:32,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 441 transitions, 1404 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:32,305 INFO L231 Difference]: Finished difference. Result has 395 places, 432 transitions, 1436 flow [2024-11-22 17:50:32,307 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1436, PETRI_PLACES=395, PETRI_TRANSITIONS=432} [2024-11-22 17:50:32,307 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 57 predicate places. [2024-11-22 17:50:32,307 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 432 transitions, 1436 flow [2024-11-22 17:50:32,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:32,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:32,310 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:32,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:50:32,310 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:32,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:32,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2131267273, now seen corresponding path program 1 times [2024-11-22 17:50:32,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:32,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728081020] [2024-11-22 17:50:32,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:32,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:32,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:32,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728081020] [2024-11-22 17:50:32,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728081020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:32,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614113480] [2024-11-22 17:50:32,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:32,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:32,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:32,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:32,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 17:50:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:33,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 17:50:33,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:33,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:34,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614113480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:34,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:34,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-22 17:50:34,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90058539] [2024-11-22 17:50:34,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:34,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 17:50:34,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:34,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 17:50:34,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-22 17:50:34,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-22 17:50:34,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 432 transitions, 1436 flow. Second operand has 18 states, 18 states have (on average 325.0) internal successors, (5850), 18 states have internal predecessors, (5850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:34,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:34,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-22 17:50:34,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:34,999 INFO L124 PetriNetUnfolderBase]: 137/2068 cut-off events. [2024-11-22 17:50:34,999 INFO L125 PetriNetUnfolderBase]: For 309/329 co-relation queries the response was YES. [2024-11-22 17:50:35,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2886 conditions, 2068 events. 137/2068 cut-off events. For 309/329 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7313 event pairs, 21 based on Foata normal form. 4/1985 useless extension candidates. Maximal degree in co-relation 2629. Up to 206 conditions per place. [2024-11-22 17:50:35,005 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 19 selfloop transitions, 21 changer transitions 0/450 dead transitions. [2024-11-22 17:50:35,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 450 transitions, 1604 flow [2024-11-22 17:50:35,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 17:50:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-22 17:50:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6826 transitions. [2024-11-22 17:50:35,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9532188241865661 [2024-11-22 17:50:35,012 INFO L175 Difference]: Start difference. First operand has 395 places, 432 transitions, 1436 flow. Second operand 21 states and 6826 transitions. [2024-11-22 17:50:35,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 450 transitions, 1604 flow [2024-11-22 17:50:35,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 450 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:50:35,022 INFO L231 Difference]: Finished difference. Result has 420 places, 445 transitions, 1566 flow [2024-11-22 17:50:35,023 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1436, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1566, PETRI_PLACES=420, PETRI_TRANSITIONS=445} [2024-11-22 17:50:35,023 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 82 predicate places. [2024-11-22 17:50:35,023 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 445 transitions, 1566 flow [2024-11-22 17:50:35,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 325.0) internal successors, (5850), 18 states have internal predecessors, (5850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:35,025 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:35,026 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:35,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 17:50:35,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-22 17:50:35,227 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:35,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:35,228 INFO L85 PathProgramCache]: Analyzing trace with hash -683711159, now seen corresponding path program 2 times [2024-11-22 17:50:35,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:35,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703430581] [2024-11-22 17:50:35,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:35,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:35,355 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:35,355 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2447 trivial. 0 not checked. [2024-11-22 17:50:35,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:35,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703430581] [2024-11-22 17:50:35,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703430581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:35,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:35,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:35,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585259513] [2024-11-22 17:50:35,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:35,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:35,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:35,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:35,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:35,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-22 17:50:35,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 445 transitions, 1566 flow. Second operand has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:35,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:35,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-22 17:50:35,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:37,096 INFO L124 PetriNetUnfolderBase]: 531/3151 cut-off events. [2024-11-22 17:50:37,097 INFO L125 PetriNetUnfolderBase]: For 991/1074 co-relation queries the response was YES. [2024-11-22 17:50:37,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5582 conditions, 3151 events. 531/3151 cut-off events. For 991/1074 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16100 event pairs, 92 based on Foata normal form. 16/3010 useless extension candidates. Maximal degree in co-relation 5320. Up to 981 conditions per place. [2024-11-22 17:50:37,115 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 131 selfloop transitions, 130 changer transitions 0/582 dead transitions. [2024-11-22 17:50:37,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 582 transitions, 2738 flow [2024-11-22 17:50:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:37,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1805 transitions. [2024-11-22 17:50:37,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8822091886608016 [2024-11-22 17:50:37,118 INFO L175 Difference]: Start difference. First operand has 420 places, 445 transitions, 1566 flow. Second operand 6 states and 1805 transitions. [2024-11-22 17:50:37,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 582 transitions, 2738 flow [2024-11-22 17:50:37,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 582 transitions, 2714 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-22 17:50:37,134 INFO L231 Difference]: Finished difference. Result has 424 places, 574 transitions, 2770 flow [2024-11-22 17:50:37,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2770, PETRI_PLACES=424, PETRI_TRANSITIONS=574} [2024-11-22 17:50:37,135 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 86 predicate places. [2024-11-22 17:50:37,135 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 574 transitions, 2770 flow [2024-11-22 17:50:37,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:37,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:37,136 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:37,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:50:37,137 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:37,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1562446892, now seen corresponding path program 1 times [2024-11-22 17:50:37,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:37,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211232020] [2024-11-22 17:50:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:38,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211232020] [2024-11-22 17:50:38,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211232020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849150482] [2024-11-22 17:50:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:38,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:38,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:38,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:38,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 17:50:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:39,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 17:50:39,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:40,142 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:50:40,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849150482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:40,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:40,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-22 17:50:40,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817515928] [2024-11-22 17:50:40,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:40,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 17:50:40,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:40,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 17:50:40,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-22 17:50:41,126 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-22 17:50:41,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 574 transitions, 2770 flow. Second operand has 23 states, 23 states have (on average 325.0869565217391) internal successors, (7477), 23 states have internal predecessors, (7477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:41,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:41,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-22 17:50:41,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:42,297 INFO L124 PetriNetUnfolderBase]: 412/3162 cut-off events. [2024-11-22 17:50:42,298 INFO L125 PetriNetUnfolderBase]: For 1289/1327 co-relation queries the response was YES. [2024-11-22 17:50:42,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5487 conditions, 3162 events. 412/3162 cut-off events. For 1289/1327 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13282 event pairs, 37 based on Foata normal form. 7/3061 useless extension candidates. Maximal degree in co-relation 5220. Up to 467 conditions per place. [2024-11-22 17:50:42,314 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 22 selfloop transitions, 30 changer transitions 0/591 dead transitions. [2024-11-22 17:50:42,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 591 transitions, 2996 flow [2024-11-22 17:50:42,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 17:50:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-22 17:50:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9744 transitions. [2024-11-22 17:50:42,326 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9524926686217009 [2024-11-22 17:50:42,327 INFO L175 Difference]: Start difference. First operand has 424 places, 574 transitions, 2770 flow. Second operand 30 states and 9744 transitions. [2024-11-22 17:50:42,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 591 transitions, 2996 flow [2024-11-22 17:50:42,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 591 transitions, 2996 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:50:42,349 INFO L231 Difference]: Finished difference. Result has 457 places, 584 transitions, 2922 flow [2024-11-22 17:50:42,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2770, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2922, PETRI_PLACES=457, PETRI_TRANSITIONS=584} [2024-11-22 17:50:42,350 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 119 predicate places. [2024-11-22 17:50:42,350 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 584 transitions, 2922 flow [2024-11-22 17:50:42,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 325.0869565217391) internal successors, (7477), 23 states have internal predecessors, (7477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:42,352 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:42,353 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:42,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 17:50:42,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 17:50:42,554 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:42,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:42,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1366725474, now seen corresponding path program 2 times [2024-11-22 17:50:42,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:42,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894189799] [2024-11-22 17:50:42,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:42,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:42,757 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:42,757 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4970 trivial. 0 not checked. [2024-11-22 17:50:43,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:43,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894189799] [2024-11-22 17:50:43,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894189799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:43,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:43,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:43,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748264414] [2024-11-22 17:50:43,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:43,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:43,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:43,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:43,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:43,404 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-22 17:50:43,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 584 transitions, 2922 flow. Second operand has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:43,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:43,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-22 17:50:43,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:44,764 INFO L124 PetriNetUnfolderBase]: 807/4237 cut-off events. [2024-11-22 17:50:44,764 INFO L125 PetriNetUnfolderBase]: For 3426/3601 co-relation queries the response was YES. [2024-11-22 17:50:44,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8934 conditions, 4237 events. 807/4237 cut-off events. For 3426/3601 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22193 event pairs, 65 based on Foata normal form. 52/4124 useless extension candidates. Maximal degree in co-relation 8663. Up to 1323 conditions per place. [2024-11-22 17:50:44,788 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 251 selfloop transitions, 131 changer transitions 5/722 dead transitions. [2024-11-22 17:50:44,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 722 transitions, 4596 flow [2024-11-22 17:50:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:44,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1806 transitions. [2024-11-22 17:50:44,790 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8826979472140762 [2024-11-22 17:50:44,790 INFO L175 Difference]: Start difference. First operand has 457 places, 584 transitions, 2922 flow. Second operand 6 states and 1806 transitions. [2024-11-22 17:50:44,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 722 transitions, 4596 flow [2024-11-22 17:50:44,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 722 transitions, 4550 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-22 17:50:44,814 INFO L231 Difference]: Finished difference. Result has 449 places, 712 transitions, 4356 flow [2024-11-22 17:50:44,815 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2876, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4356, PETRI_PLACES=449, PETRI_TRANSITIONS=712} [2024-11-22 17:50:44,815 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 111 predicate places. [2024-11-22 17:50:44,815 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 712 transitions, 4356 flow [2024-11-22 17:50:44,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:44,816 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:44,816 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:44,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 17:50:44,817 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:44,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:44,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1036214420, now seen corresponding path program 1 times [2024-11-22 17:50:44,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:44,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010143748] [2024-11-22 17:50:44,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:44,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4970 trivial. 0 not checked. [2024-11-22 17:50:48,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:48,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010143748] [2024-11-22 17:50:48,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010143748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:48,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:48,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:48,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285920466] [2024-11-22 17:50:48,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:48,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:48,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:48,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:48,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:48,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 341 [2024-11-22 17:50:48,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 712 transitions, 4356 flow. Second operand has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:48,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:48,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 341 [2024-11-22 17:50:48,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:50,685 INFO L124 PetriNetUnfolderBase]: 1309/5605 cut-off events. [2024-11-22 17:50:50,685 INFO L125 PetriNetUnfolderBase]: For 4997/5054 co-relation queries the response was YES. [2024-11-22 17:50:50,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13621 conditions, 5605 events. 1309/5605 cut-off events. For 4997/5054 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33857 event pairs, 369 based on Foata normal form. 11/5371 useless extension candidates. Maximal degree in co-relation 13346. Up to 2549 conditions per place. [2024-11-22 17:50:50,719 INFO L140 encePairwiseOnDemand]: 322/341 looper letters, 316 selfloop transitions, 84 changer transitions 0/791 dead transitions. [2024-11-22 17:50:50,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 791 transitions, 5554 flow [2024-11-22 17:50:50,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2024-11-22 17:50:50,722 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.823069403714565 [2024-11-22 17:50:50,722 INFO L175 Difference]: Start difference. First operand has 449 places, 712 transitions, 4356 flow. Second operand 6 states and 1684 transitions. [2024-11-22 17:50:50,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 791 transitions, 5554 flow [2024-11-22 17:50:50,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 791 transitions, 5300 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-22 17:50:50,759 INFO L231 Difference]: Finished difference. Result has 458 places, 783 transitions, 4892 flow [2024-11-22 17:50:50,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=4108, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4892, PETRI_PLACES=458, PETRI_TRANSITIONS=783} [2024-11-22 17:50:50,761 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 120 predicate places. [2024-11-22 17:50:50,761 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 783 transitions, 4892 flow [2024-11-22 17:50:50,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:50,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:50,762 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:50,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 17:50:50,763 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-22 17:50:50,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:50,763 INFO L85 PathProgramCache]: Analyzing trace with hash -8722774, now seen corresponding path program 1 times [2024-11-22 17:50:50,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:50,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598043996] [2024-11-22 17:50:50,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:50,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 1812 proven. 2837 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-22 17:51:18,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:18,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598043996] [2024-11-22 17:51:18,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598043996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:51:18,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112692181] [2024-11-22 17:51:18,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:18,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:51:18,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:51:18,825 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:51:18,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 17:51:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:20,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-22 17:51:20,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:51:20,876 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-22 17:51:20,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-22 17:51:21,093 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-22 17:51:21,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-22 17:51:21,455 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-22 17:51:21,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-22 17:51:21,950 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:21,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:22,723 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-22 17:51:22,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-11-22 17:51:23,336 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2024-11-22 17:51:23,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45