./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_02-list_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_02-list_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:49:15,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:49:15,877 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:49:15,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:49:15,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:49:15,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:49:15,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:49:15,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:49:15,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:49:15,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:49:15,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:49:15,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:49:15,908 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:49:15,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:49:15,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:49:15,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:49:15,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:49:15,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:49:15,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:49:15,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:49:15,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:49:15,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:49:15,912 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:49:15,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:49:15,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:49:15,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:49:15,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:49:15,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:49:15,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:49:15,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:49:15,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:49:15,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:49:15,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:49:15,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:49:15,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:49:15,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:49:15,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:49:15,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:49:15,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:49:15,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:49:15,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:49:15,915 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c [2024-11-22 17:49:16,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:49:16,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:49:16,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:49:16,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:49:16,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:49:16,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2024-11-22 17:49:17,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:49:17,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:49:17,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2024-11-22 17:49:17,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d53f745/cea185725db24dd383d5a3d8ede33730/FLAG0748c6c8a [2024-11-22 17:49:17,596 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d53f745/cea185725db24dd383d5a3d8ede33730 [2024-11-22 17:49:17,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:49:17,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:49:17,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:49:17,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:49:17,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:49:17,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:49:17" (1/1) ... [2024-11-22 17:49:17,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df93256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:17, skipping insertion in model container [2024-11-22 17:49:17,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:49:17" (1/1) ... [2024-11-22 17:49:17,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:49:18,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:49:18,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:49:18,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:49:18,157 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:49:18,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18 WrapperNode [2024-11-22 17:49:18,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:49:18,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:49:18,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:49:18,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:49:18,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,205 INFO L138 Inliner]: procedures = 368, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 221 [2024-11-22 17:49:18,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:49:18,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:49:18,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:49:18,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:49:18,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:49:18,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:49:18,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:49:18,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:49:18,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (1/1) ... [2024-11-22 17:49:18,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:49:18,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:49:18,278 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 17:49:18,280 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 17:49:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-22 17:49:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:49:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:49:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:49:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:49:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:49:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:49:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-22 17:49:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:49:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:49:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:49:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:49:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:49:18,312 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 17:49:18,436 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:49:18,438 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:49:18,758 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:49:18,758 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:49:18,787 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:49:18,787 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:49:18,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:49:18 BoogieIcfgContainer [2024-11-22 17:49:18,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:49:18,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:49:18,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:49:18,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:49:18,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:49:17" (1/3) ... [2024-11-22 17:49:18,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b35fb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:49:18, skipping insertion in model container [2024-11-22 17:49:18,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:18" (2/3) ... [2024-11-22 17:49:18,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b35fb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:49:18, skipping insertion in model container [2024-11-22 17:49:18,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:49:18" (3/3) ... [2024-11-22 17:49:18,797 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2024-11-22 17:49:18,810 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:49:18,810 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-22 17:49:18,810 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:49:18,935 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:49:18,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 249 transitions, 502 flow [2024-11-22 17:49:19,027 INFO L124 PetriNetUnfolderBase]: 0/248 cut-off events. [2024-11-22 17:49:19,028 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:49:19,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 248 events. 0/248 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-22 17:49:19,034 INFO L82 GeneralOperation]: Start removeDead. Operand has 253 places, 249 transitions, 502 flow [2024-11-22 17:49:19,038 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 252 places, 248 transitions, 499 flow [2024-11-22 17:49:19,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:49:19,051 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;@795b3823, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:49:19,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-22 17:49:19,068 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:49:19,068 INFO L124 PetriNetUnfolderBase]: 0/83 cut-off events. [2024-11-22 17:49:19,068 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:49:19,068 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:19,069 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] [2024-11-22 17:49:19,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:19,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:19,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1044138680, now seen corresponding path program 1 times [2024-11-22 17:49:19,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:19,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934992991] [2024-11-22 17:49:19,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:19,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:19,822 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 17:49:19,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:19,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934992991] [2024-11-22 17:49:19,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934992991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:19,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:19,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:19,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615629397] [2024-11-22 17:49:19,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:19,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:19,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:19,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:19,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:20,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 249 [2024-11-22 17:49:20,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 248 transitions, 499 flow. Second operand has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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 17:49:20,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:20,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 249 [2024-11-22 17:49:20,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:20,450 INFO L124 PetriNetUnfolderBase]: 220/1072 cut-off events. [2024-11-22 17:49:20,450 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:49:20,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1072 events. 220/1072 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5354 event pairs, 220 based on Foata normal form. 0/967 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-11-22 17:49:20,462 INFO L140 encePairwiseOnDemand]: 237/249 looper letters, 47 selfloop transitions, 10 changer transitions 0/246 dead transitions. [2024-11-22 17:49:20,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 246 transitions, 609 flow [2024-11-22 17:49:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1199 transitions. [2024-11-22 17:49:20,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8025435073627845 [2024-11-22 17:49:20,484 INFO L175 Difference]: Start difference. First operand has 252 places, 248 transitions, 499 flow. Second operand 6 states and 1199 transitions. [2024-11-22 17:49:20,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 246 transitions, 609 flow [2024-11-22 17:49:20,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 246 transitions, 608 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:49:20,492 INFO L231 Difference]: Finished difference. Result has 254 places, 246 transitions, 514 flow [2024-11-22 17:49:20,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=514, PETRI_PLACES=254, PETRI_TRANSITIONS=246} [2024-11-22 17:49:20,497 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 2 predicate places. [2024-11-22 17:49:20,498 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 246 transitions, 514 flow [2024-11-22 17:49:20,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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 17:49:20,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:20,499 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] [2024-11-22 17:49:20,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:49:20,500 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:20,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:20,501 INFO L85 PathProgramCache]: Analyzing trace with hash -956173680, now seen corresponding path program 1 times [2024-11-22 17:49:20,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:20,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520433204] [2024-11-22 17:49:20,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:20,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:20,832 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 17:49:20,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:20,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520433204] [2024-11-22 17:49:20,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520433204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:20,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:20,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:20,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665917601] [2024-11-22 17:49:20,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:20,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:20,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:20,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:20,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:21,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 249 [2024-11-22 17:49:21,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 246 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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 17:49:21,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:21,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 249 [2024-11-22 17:49:21,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:21,259 INFO L124 PetriNetUnfolderBase]: 220/1070 cut-off events. [2024-11-22 17:49:21,259 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:49:21,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 1070 events. 220/1070 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5357 event pairs, 220 based on Foata normal form. 0/967 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-11-22 17:49:21,264 INFO L140 encePairwiseOnDemand]: 237/249 looper letters, 47 selfloop transitions, 10 changer transitions 0/244 dead transitions. [2024-11-22 17:49:21,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 244 transitions, 624 flow [2024-11-22 17:49:21,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1199 transitions. [2024-11-22 17:49:21,267 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8025435073627845 [2024-11-22 17:49:21,267 INFO L175 Difference]: Start difference. First operand has 254 places, 246 transitions, 514 flow. Second operand 6 states and 1199 transitions. [2024-11-22 17:49:21,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 244 transitions, 624 flow [2024-11-22 17:49:21,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 244 transitions, 604 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:49:21,273 INFO L231 Difference]: Finished difference. Result has 252 places, 244 transitions, 510 flow [2024-11-22 17:49:21,275 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=510, PETRI_PLACES=252, PETRI_TRANSITIONS=244} [2024-11-22 17:49:21,275 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 0 predicate places. [2024-11-22 17:49:21,276 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 244 transitions, 510 flow [2024-11-22 17:49:21,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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 17:49:21,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:21,277 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] [2024-11-22 17:49:21,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:49:21,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:21,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:21,279 INFO L85 PathProgramCache]: Analyzing trace with hash -130714399, now seen corresponding path program 1 times [2024-11-22 17:49:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:21,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74195806] [2024-11-22 17:49:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:21,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:21,335 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 17:49:21,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:21,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74195806] [2024-11-22 17:49:21,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74195806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:21,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:21,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:49:21,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193390316] [2024-11-22 17:49:21,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:21,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:49:21,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:21,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:49:21,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:49:21,366 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 249 [2024-11-22 17:49:21,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 244 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 17:49:21,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:21,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 249 [2024-11-22 17:49:21,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:21,412 INFO L124 PetriNetUnfolderBase]: 16/379 cut-off events. [2024-11-22 17:49:21,412 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:49:21,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 379 events. 16/379 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 756 event pairs, 16 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-11-22 17:49:21,414 INFO L140 encePairwiseOnDemand]: 246/249 looper letters, 14 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2024-11-22 17:49:21,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 243 transitions, 540 flow [2024-11-22 17:49:21,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:49:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:49:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-22 17:49:21,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9544846050870147 [2024-11-22 17:49:21,416 INFO L175 Difference]: Start difference. First operand has 252 places, 244 transitions, 510 flow. Second operand 3 states and 713 transitions. [2024-11-22 17:49:21,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 243 transitions, 540 flow [2024-11-22 17:49:21,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 243 transitions, 520 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:49:21,420 INFO L231 Difference]: Finished difference. Result has 248 places, 243 transitions, 492 flow [2024-11-22 17:49:21,420 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=248, PETRI_TRANSITIONS=243} [2024-11-22 17:49:21,421 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, -4 predicate places. [2024-11-22 17:49:21,422 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 243 transitions, 492 flow [2024-11-22 17:49:21,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 17:49:21,422 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:21,423 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 17:49:21,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:49:21,423 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:21,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:21,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1165486800, now seen corresponding path program 1 times [2024-11-22 17:49:21,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:21,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047178722] [2024-11-22 17:49:21,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:21,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:21,480 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 17:49:21,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:21,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047178722] [2024-11-22 17:49:21,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047178722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:21,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:21,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:49:21,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566072711] [2024-11-22 17:49:21,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:21,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:49:21,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:21,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:49:21,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:49:21,498 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 249 [2024-11-22 17:49:21,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 243 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 17:49:21,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:21,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 249 [2024-11-22 17:49:21,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:21,540 INFO L124 PetriNetUnfolderBase]: 24/456 cut-off events. [2024-11-22 17:49:21,540 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:49:21,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 456 events. 24/456 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1210 event pairs, 24 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-11-22 17:49:21,543 INFO L140 encePairwiseOnDemand]: 243/249 looper letters, 15 selfloop transitions, 1 changer transitions 0/238 dead transitions. [2024-11-22 17:49:21,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 238 transitions, 514 flow [2024-11-22 17:49:21,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:49:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:49:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions. [2024-11-22 17:49:21,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9437751004016064 [2024-11-22 17:49:21,545 INFO L175 Difference]: Start difference. First operand has 248 places, 243 transitions, 492 flow. Second operand 3 states and 705 transitions. [2024-11-22 17:49:21,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 238 transitions, 514 flow [2024-11-22 17:49:21,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 238 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:49:21,548 INFO L231 Difference]: Finished difference. Result has 243 places, 238 transitions, 480 flow [2024-11-22 17:49:21,549 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=243, PETRI_TRANSITIONS=238} [2024-11-22 17:49:21,549 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, -9 predicate places. [2024-11-22 17:49:21,550 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 238 transitions, 480 flow [2024-11-22 17:49:21,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 17:49:21,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:21,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:21,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:49:21,552 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:21,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:21,553 INFO L85 PathProgramCache]: Analyzing trace with hash -264416534, now seen corresponding path program 1 times [2024-11-22 17:49:21,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:21,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731663320] [2024-11-22 17:49:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:21,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:21,985 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 17:49:21,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:21,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731663320] [2024-11-22 17:49:21,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731663320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:21,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:21,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:21,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316258045] [2024-11-22 17:49:21,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:21,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:21,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:21,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:21,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:22,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 249 [2024-11-22 17:49:22,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 238 transitions, 480 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:22,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:22,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 249 [2024-11-22 17:49:22,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:22,405 INFO L124 PetriNetUnfolderBase]: 288/1209 cut-off events. [2024-11-22 17:49:22,405 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:49:22,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 1209 events. 288/1209 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6307 event pairs, 288 based on Foata normal form. 0/1150 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-11-22 17:49:22,410 INFO L140 encePairwiseOnDemand]: 243/249 looper letters, 58 selfloop transitions, 5 changer transitions 0/237 dead transitions. [2024-11-22 17:49:22,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 237 transitions, 604 flow [2024-11-22 17:49:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1174 transitions. [2024-11-22 17:49:22,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.785809906291834 [2024-11-22 17:49:22,413 INFO L175 Difference]: Start difference. First operand has 243 places, 238 transitions, 480 flow. Second operand 6 states and 1174 transitions. [2024-11-22 17:49:22,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 237 transitions, 604 flow [2024-11-22 17:49:22,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 237 transitions, 603 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:49:22,416 INFO L231 Difference]: Finished difference. Result has 246 places, 237 transitions, 487 flow [2024-11-22 17:49:22,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=487, PETRI_PLACES=246, PETRI_TRANSITIONS=237} [2024-11-22 17:49:22,418 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, -6 predicate places. [2024-11-22 17:49:22,419 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 237 transitions, 487 flow [2024-11-22 17:49:22,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:22,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:22,420 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:22,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:49:22,420 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:22,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:22,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1517100340, now seen corresponding path program 1 times [2024-11-22 17:49:22,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:22,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821850095] [2024-11-22 17:49:22,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:22,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:22,890 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 17:49:22,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:22,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821850095] [2024-11-22 17:49:22,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821850095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:22,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:22,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:22,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160274293] [2024-11-22 17:49:22,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:22,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:22,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:22,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:22,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:23,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 249 [2024-11-22 17:49:23,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 237 transitions, 487 flow. Second operand has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 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 17:49:23,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:23,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 249 [2024-11-22 17:49:23,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:23,391 INFO L124 PetriNetUnfolderBase]: 316/1535 cut-off events. [2024-11-22 17:49:23,391 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:49:23,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1535 events. 316/1535 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9256 event pairs, 36 based on Foata normal form. 0/1445 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-11-22 17:49:23,397 INFO L140 encePairwiseOnDemand]: 221/249 looper letters, 99 selfloop transitions, 70 changer transitions 0/349 dead transitions. [2024-11-22 17:49:23,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 349 transitions, 1049 flow [2024-11-22 17:49:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1323 transitions. [2024-11-22 17:49:23,400 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8855421686746988 [2024-11-22 17:49:23,400 INFO L175 Difference]: Start difference. First operand has 246 places, 237 transitions, 487 flow. Second operand 6 states and 1323 transitions. [2024-11-22 17:49:23,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 349 transitions, 1049 flow [2024-11-22 17:49:23,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 349 transitions, 1039 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:49:23,406 INFO L231 Difference]: Finished difference. Result has 250 places, 307 transitions, 955 flow [2024-11-22 17:49:23,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=955, PETRI_PLACES=250, PETRI_TRANSITIONS=307} [2024-11-22 17:49:23,407 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, -2 predicate places. [2024-11-22 17:49:23,408 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 307 transitions, 955 flow [2024-11-22 17:49:23,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 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 17:49:23,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:23,409 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:23,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:49:23,409 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:23,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:23,409 INFO L85 PathProgramCache]: Analyzing trace with hash -656122962, now seen corresponding path program 1 times [2024-11-22 17:49:23,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:23,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203459103] [2024-11-22 17:49:23,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:23,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:23,695 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 17:49:23,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:23,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203459103] [2024-11-22 17:49:23,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203459103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:23,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:23,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:23,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519342484] [2024-11-22 17:49:23,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:23,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:23,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:23,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:23,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:23,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 249 [2024-11-22 17:49:23,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 307 transitions, 955 flow. Second operand has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 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 17:49:23,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:23,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 249 [2024-11-22 17:49:23,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:24,181 INFO L124 PetriNetUnfolderBase]: 588/2306 cut-off events. [2024-11-22 17:49:24,182 INFO L125 PetriNetUnfolderBase]: For 603/609 co-relation queries the response was YES. [2024-11-22 17:49:24,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4695 conditions, 2306 events. 588/2306 cut-off events. For 603/609 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 15128 event pairs, 222 based on Foata normal form. 0/2194 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-11-22 17:49:24,190 INFO L140 encePairwiseOnDemand]: 234/249 looper letters, 106 selfloop transitions, 48 changer transitions 0/358 dead transitions. [2024-11-22 17:49:24,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 358 transitions, 1435 flow [2024-11-22 17:49:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1260 transitions. [2024-11-22 17:49:24,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433734939759037 [2024-11-22 17:49:24,192 INFO L175 Difference]: Start difference. First operand has 250 places, 307 transitions, 955 flow. Second operand 6 states and 1260 transitions. [2024-11-22 17:49:24,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 358 transitions, 1435 flow [2024-11-22 17:49:24,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 358 transitions, 1435 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:49:24,202 INFO L231 Difference]: Finished difference. Result has 260 places, 350 transitions, 1343 flow [2024-11-22 17:49:24,203 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1343, PETRI_PLACES=260, PETRI_TRANSITIONS=350} [2024-11-22 17:49:24,203 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 8 predicate places. [2024-11-22 17:49:24,204 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 350 transitions, 1343 flow [2024-11-22 17:49:24,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 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 17:49:24,205 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:24,205 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:24,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:49:24,205 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:24,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:24,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1849978901, now seen corresponding path program 1 times [2024-11-22 17:49:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:24,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207871516] [2024-11-22 17:49:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:24,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:24,534 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 17:49:24,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:24,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207871516] [2024-11-22 17:49:24,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207871516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:24,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:24,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:24,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296601005] [2024-11-22 17:49:24,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:24,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:24,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:24,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:24,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:24,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 249 [2024-11-22 17:49:24,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 350 transitions, 1343 flow. Second operand has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 17:49:24,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:24,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 249 [2024-11-22 17:49:24,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:25,115 INFO L124 PetriNetUnfolderBase]: 743/2863 cut-off events. [2024-11-22 17:49:25,116 INFO L125 PetriNetUnfolderBase]: For 1673/1738 co-relation queries the response was YES. [2024-11-22 17:49:25,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6639 conditions, 2863 events. 743/2863 cut-off events. For 1673/1738 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 20214 event pairs, 86 based on Foata normal form. 0/2772 useless extension candidates. Maximal degree in co-relation 6513. Up to 1023 conditions per place. [2024-11-22 17:49:25,132 INFO L140 encePairwiseOnDemand]: 226/249 looper letters, 128 selfloop transitions, 136 changer transitions 4/490 dead transitions. [2024-11-22 17:49:25,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 490 transitions, 2635 flow [2024-11-22 17:49:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:25,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1318 transitions. [2024-11-22 17:49:25,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8821954484605087 [2024-11-22 17:49:25,135 INFO L175 Difference]: Start difference. First operand has 260 places, 350 transitions, 1343 flow. Second operand 6 states and 1318 transitions. [2024-11-22 17:49:25,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 490 transitions, 2635 flow [2024-11-22 17:49:25,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 490 transitions, 2617 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-22 17:49:25,152 INFO L231 Difference]: Finished difference. Result has 270 places, 481 transitions, 2691 flow [2024-11-22 17:49:25,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1325, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2691, PETRI_PLACES=270, PETRI_TRANSITIONS=481} [2024-11-22 17:49:25,154 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 18 predicate places. [2024-11-22 17:49:25,154 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 481 transitions, 2691 flow [2024-11-22 17:49:25,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 17:49:25,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:25,155 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:25,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:49:25,156 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:25,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:25,158 INFO L85 PathProgramCache]: Analyzing trace with hash 642851118, now seen corresponding path program 1 times [2024-11-22 17:49:25,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:25,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362445260] [2024-11-22 17:49:25,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:25,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:25,789 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 17:49:25,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:25,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362445260] [2024-11-22 17:49:25,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362445260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:25,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:25,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:25,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087457747] [2024-11-22 17:49:25,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:25,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:25,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:25,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:25,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:49:26,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:49:26,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 481 transitions, 2691 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:26,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:26,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:49:26,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:28,055 INFO L124 PetriNetUnfolderBase]: 1151/4174 cut-off events. [2024-11-22 17:49:28,056 INFO L125 PetriNetUnfolderBase]: For 5352/5456 co-relation queries the response was YES. [2024-11-22 17:49:28,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11940 conditions, 4174 events. 1151/4174 cut-off events. For 5352/5456 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 32994 event pairs, 78 based on Foata normal form. 35/4115 useless extension candidates. Maximal degree in co-relation 11806. Up to 880 conditions per place. [2024-11-22 17:49:28,085 INFO L140 encePairwiseOnDemand]: 212/249 looper letters, 349 selfloop transitions, 159 changer transitions 4/705 dead transitions. [2024-11-22 17:49:28,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 705 transitions, 5131 flow [2024-11-22 17:49:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 17:49:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-22 17:49:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2777 transitions. [2024-11-22 17:49:28,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7966150315547906 [2024-11-22 17:49:28,089 INFO L175 Difference]: Start difference. First operand has 270 places, 481 transitions, 2691 flow. Second operand 14 states and 2777 transitions. [2024-11-22 17:49:28,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 705 transitions, 5131 flow [2024-11-22 17:49:28,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 705 transitions, 5059 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-22 17:49:28,113 INFO L231 Difference]: Finished difference. Result has 293 places, 544 transitions, 3964 flow [2024-11-22 17:49:28,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=2655, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3964, PETRI_PLACES=293, PETRI_TRANSITIONS=544} [2024-11-22 17:49:28,114 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 41 predicate places. [2024-11-22 17:49:28,114 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 544 transitions, 3964 flow [2024-11-22 17:49:28,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:28,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:28,116 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:49:28,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:49:28,116 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:28,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1158483018, now seen corresponding path program 2 times [2024-11-22 17:49:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548370377] [2024-11-22 17:49:28,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:49:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:28,142 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:49:28,142 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:28,606 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 17:49:28,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:28,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548370377] [2024-11-22 17:49:28,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548370377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:28,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:28,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:28,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51435896] [2024-11-22 17:49:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:28,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:28,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:28,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:28,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:49:29,453 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:49:29,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 544 transitions, 3964 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:29,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:29,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:49:29,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:30,679 INFO L124 PetriNetUnfolderBase]: 1253/4614 cut-off events. [2024-11-22 17:49:30,680 INFO L125 PetriNetUnfolderBase]: For 9610/9714 co-relation queries the response was YES. [2024-11-22 17:49:30,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14561 conditions, 4614 events. 1253/4614 cut-off events. For 9610/9714 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 37093 event pairs, 125 based on Foata normal form. 37/4535 useless extension candidates. Maximal degree in co-relation 14413. Up to 891 conditions per place. [2024-11-22 17:49:30,706 INFO L140 encePairwiseOnDemand]: 228/249 looper letters, 440 selfloop transitions, 103 changer transitions 0/736 dead transitions. [2024-11-22 17:49:30,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 736 transitions, 6508 flow [2024-11-22 17:49:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 17:49:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-22 17:49:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3604 transitions. [2024-11-22 17:49:30,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7617839780173324 [2024-11-22 17:49:30,712 INFO L175 Difference]: Start difference. First operand has 293 places, 544 transitions, 3964 flow. Second operand 19 states and 3604 transitions. [2024-11-22 17:49:30,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 736 transitions, 6508 flow [2024-11-22 17:49:30,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 736 transitions, 6503 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 17:49:30,744 INFO L231 Difference]: Finished difference. Result has 317 places, 599 transitions, 4779 flow [2024-11-22 17:49:30,745 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=3959, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4779, PETRI_PLACES=317, PETRI_TRANSITIONS=599} [2024-11-22 17:49:30,747 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 65 predicate places. [2024-11-22 17:49:30,747 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 599 transitions, 4779 flow [2024-11-22 17:49:30,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:30,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:30,748 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:49:30,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:49:30,748 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:30,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:30,749 INFO L85 PathProgramCache]: Analyzing trace with hash -370482976, now seen corresponding path program 3 times [2024-11-22 17:49:30,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:30,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225372917] [2024-11-22 17:49:30,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 17:49:30,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:30,779 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-22 17:49:30,779 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:31,287 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 17:49:31,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:31,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225372917] [2024-11-22 17:49:31,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225372917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:31,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:31,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:31,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542271092] [2024-11-22 17:49:31,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:31,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:31,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:31,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:31,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:49:31,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:49:31,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 599 transitions, 4779 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:31,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:31,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:49:31,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:33,579 INFO L124 PetriNetUnfolderBase]: 1790/6487 cut-off events. [2024-11-22 17:49:33,579 INFO L125 PetriNetUnfolderBase]: For 17776/17967 co-relation queries the response was YES. [2024-11-22 17:49:33,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21812 conditions, 6487 events. 1790/6487 cut-off events. For 17776/17967 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 58250 event pairs, 144 based on Foata normal form. 55/6368 useless extension candidates. Maximal degree in co-relation 21654. Up to 1298 conditions per place. [2024-11-22 17:49:33,627 INFO L140 encePairwiseOnDemand]: 216/249 looper letters, 450 selfloop transitions, 226 changer transitions 3/872 dead transitions. [2024-11-22 17:49:33,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 872 transitions, 8587 flow [2024-11-22 17:49:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 17:49:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-22 17:49:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3860 transitions. [2024-11-22 17:49:33,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7751004016064257 [2024-11-22 17:49:33,634 INFO L175 Difference]: Start difference. First operand has 317 places, 599 transitions, 4779 flow. Second operand 20 states and 3860 transitions. [2024-11-22 17:49:33,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 872 transitions, 8587 flow [2024-11-22 17:49:33,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 872 transitions, 8551 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-11-22 17:49:33,702 INFO L231 Difference]: Finished difference. Result has 342 places, 693 transitions, 6986 flow [2024-11-22 17:49:33,703 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=4753, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=6986, PETRI_PLACES=342, PETRI_TRANSITIONS=693} [2024-11-22 17:49:33,703 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 90 predicate places. [2024-11-22 17:49:33,704 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 693 transitions, 6986 flow [2024-11-22 17:49:33,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:33,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:33,705 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:33,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:49:33,705 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:33,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:33,705 INFO L85 PathProgramCache]: Analyzing trace with hash -878427960, now seen corresponding path program 4 times [2024-11-22 17:49:33,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:33,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288134198] [2024-11-22 17:49:33,706 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 17:49:33,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:33,734 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 17:49:33,734 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:34,135 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 17:49:34,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:34,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288134198] [2024-11-22 17:49:34,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288134198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:34,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:34,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:34,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659867047] [2024-11-22 17:49:34,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:34,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:34,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:34,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:34,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:49:35,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:49:35,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 693 transitions, 6986 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:35,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:35,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:49:35,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:36,962 INFO L124 PetriNetUnfolderBase]: 2505/8900 cut-off events. [2024-11-22 17:49:36,962 INFO L125 PetriNetUnfolderBase]: For 36019/36331 co-relation queries the response was YES. [2024-11-22 17:49:36,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32607 conditions, 8900 events. 2505/8900 cut-off events. For 36019/36331 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 87164 event pairs, 147 based on Foata normal form. 98/8761 useless extension candidates. Maximal degree in co-relation 32437. Up to 1807 conditions per place. [2024-11-22 17:49:37,022 INFO L140 encePairwiseOnDemand]: 220/249 looper letters, 510 selfloop transitions, 301 changer transitions 0/1004 dead transitions. [2024-11-22 17:49:37,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 1004 transitions, 12268 flow [2024-11-22 17:49:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 17:49:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-22 17:49:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3629 transitions. [2024-11-22 17:49:37,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7670682730923695 [2024-11-22 17:49:37,028 INFO L175 Difference]: Start difference. First operand has 342 places, 693 transitions, 6986 flow. Second operand 19 states and 3629 transitions. [2024-11-22 17:49:37,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 1004 transitions, 12268 flow [2024-11-22 17:49:37,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 1004 transitions, 12226 flow, removed 11 selfloop flow, removed 7 redundant places. [2024-11-22 17:49:37,160 INFO L231 Difference]: Finished difference. Result has 362 places, 806 transitions, 10052 flow [2024-11-22 17:49:37,161 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=6944, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10052, PETRI_PLACES=362, PETRI_TRANSITIONS=806} [2024-11-22 17:49:37,162 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 110 predicate places. [2024-11-22 17:49:37,162 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 806 transitions, 10052 flow [2024-11-22 17:49:37,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:37,163 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:37,163 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:37,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:49:37,164 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:37,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:37,164 INFO L85 PathProgramCache]: Analyzing trace with hash -857358, now seen corresponding path program 5 times [2024-11-22 17:49:37,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:37,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428057968] [2024-11-22 17:49:37,164 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 17:49:37,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:37,199 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:49:37,199 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:37,832 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 17:49:37,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:37,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428057968] [2024-11-22 17:49:37,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428057968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:37,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:37,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867507355] [2024-11-22 17:49:37,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:37,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:37,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:37,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:37,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:49:38,930 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:49:38,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 806 transitions, 10052 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:38,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:38,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:49:38,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:41,626 INFO L124 PetriNetUnfolderBase]: 2977/10444 cut-off events. [2024-11-22 17:49:41,626 INFO L125 PetriNetUnfolderBase]: For 57595/58098 co-relation queries the response was YES. [2024-11-22 17:49:41,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40631 conditions, 10444 events. 2977/10444 cut-off events. For 57595/58098 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 107035 event pairs, 244 based on Foata normal form. 178/10348 useless extension candidates. Maximal degree in co-relation 40452. Up to 2148 conditions per place. [2024-11-22 17:49:41,711 INFO L140 encePairwiseOnDemand]: 216/249 looper letters, 562 selfloop transitions, 321 changer transitions 3/1079 dead transitions. [2024-11-22 17:49:41,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 1079 transitions, 15008 flow [2024-11-22 17:49:41,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 17:49:41,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-22 17:49:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 4234 transitions. [2024-11-22 17:49:41,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7729098211025922 [2024-11-22 17:49:41,718 INFO L175 Difference]: Start difference. First operand has 362 places, 806 transitions, 10052 flow. Second operand 22 states and 4234 transitions. [2024-11-22 17:49:41,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 1079 transitions, 15008 flow [2024-11-22 17:49:41,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 1079 transitions, 14902 flow, removed 35 selfloop flow, removed 9 redundant places. [2024-11-22 17:49:41,942 INFO L231 Difference]: Finished difference. Result has 383 places, 886 transitions, 12912 flow [2024-11-22 17:49:41,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=9946, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=806, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=243, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=12912, PETRI_PLACES=383, PETRI_TRANSITIONS=886} [2024-11-22 17:49:41,943 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 131 predicate places. [2024-11-22 17:49:41,943 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 886 transitions, 12912 flow [2024-11-22 17:49:41,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:41,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:41,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:41,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:49:41,944 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:41,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:41,945 INFO L85 PathProgramCache]: Analyzing trace with hash 443129872, now seen corresponding path program 6 times [2024-11-22 17:49:41,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:41,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101125758] [2024-11-22 17:49:41,945 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 17:49:41,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:41,971 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-22 17:49:41,971 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:42,532 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 17:49:42,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:42,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101125758] [2024-11-22 17:49:42,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101125758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:42,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:42,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:42,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166554618] [2024-11-22 17:49:42,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:42,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:42,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:42,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:42,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:49:43,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:49:43,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 886 transitions, 12912 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:43,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:43,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:49:43,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:46,725 INFO L124 PetriNetUnfolderBase]: 3637/12778 cut-off events. [2024-11-22 17:49:46,725 INFO L125 PetriNetUnfolderBase]: For 90120/90871 co-relation queries the response was YES. [2024-11-22 17:49:46,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51982 conditions, 12778 events. 3637/12778 cut-off events. For 90120/90871 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 138462 event pairs, 276 based on Foata normal form. 228/12664 useless extension candidates. Maximal degree in co-relation 51794. Up to 2722 conditions per place. [2024-11-22 17:49:46,818 INFO L140 encePairwiseOnDemand]: 212/249 looper letters, 550 selfloop transitions, 408 changer transitions 4/1155 dead transitions. [2024-11-22 17:49:46,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1155 transitions, 18517 flow [2024-11-22 17:49:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 17:49:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-22 17:49:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2961 transitions. [2024-11-22 17:49:46,821 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7927710843373494 [2024-11-22 17:49:46,821 INFO L175 Difference]: Start difference. First operand has 383 places, 886 transitions, 12912 flow. Second operand 15 states and 2961 transitions. [2024-11-22 17:49:46,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1155 transitions, 18517 flow [2024-11-22 17:49:47,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 1155 transitions, 18386 flow, removed 27 selfloop flow, removed 12 redundant places. [2024-11-22 17:49:47,081 INFO L231 Difference]: Finished difference. Result has 396 places, 980 transitions, 16751 flow [2024-11-22 17:49:47,082 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=12816, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=315, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16751, PETRI_PLACES=396, PETRI_TRANSITIONS=980} [2024-11-22 17:49:47,082 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 144 predicate places. [2024-11-22 17:49:47,082 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 980 transitions, 16751 flow [2024-11-22 17:49:47,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:47,083 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:47,083 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:47,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:49:47,084 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:47,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:47,084 INFO L85 PathProgramCache]: Analyzing trace with hash 322695340, now seen corresponding path program 1 times [2024-11-22 17:49:47,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:47,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681848579] [2024-11-22 17:49:47,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:47,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:47,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:47,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681848579] [2024-11-22 17:49:47,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681848579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:47,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:47,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:47,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656569727] [2024-11-22 17:49:47,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:47,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:47,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:47,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:47,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:49:48,446 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 249 [2024-11-22 17:49:48,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 980 transitions, 16751 flow. Second operand has 13 states, 13 states have (on average 185.07692307692307) internal successors, (2406), 13 states have internal predecessors, (2406), 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 17:49:48,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:48,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 249 [2024-11-22 17:49:48,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:52,354 INFO L124 PetriNetUnfolderBase]: 4597/14972 cut-off events. [2024-11-22 17:49:52,354 INFO L125 PetriNetUnfolderBase]: For 111970/112467 co-relation queries the response was YES. [2024-11-22 17:49:52,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64379 conditions, 14972 events. 4597/14972 cut-off events. For 111970/112467 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 160835 event pairs, 823 based on Foata normal form. 89/14695 useless extension candidates. Maximal degree in co-relation 64180. Up to 3323 conditions per place. [2024-11-22 17:49:52,509 INFO L140 encePairwiseOnDemand]: 228/249 looper letters, 496 selfloop transitions, 240 changer transitions 0/1125 dead transitions. [2024-11-22 17:49:52,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 1125 transitions, 20145 flow [2024-11-22 17:49:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 17:49:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-22 17:49:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2720 transitions. [2024-11-22 17:49:52,512 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7802639127940333 [2024-11-22 17:49:52,512 INFO L175 Difference]: Start difference. First operand has 396 places, 980 transitions, 16751 flow. Second operand 14 states and 2720 transitions. [2024-11-22 17:49:52,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 1125 transitions, 20145 flow [2024-11-22 17:49:52,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 1125 transitions, 20108 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-11-22 17:49:52,956 INFO L231 Difference]: Finished difference. Result has 411 places, 998 transitions, 17895 flow [2024-11-22 17:49:52,956 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=16722, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=980, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=743, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17895, PETRI_PLACES=411, PETRI_TRANSITIONS=998} [2024-11-22 17:49:52,957 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 159 predicate places. [2024-11-22 17:49:52,957 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 998 transitions, 17895 flow [2024-11-22 17:49:52,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 185.07692307692307) internal successors, (2406), 13 states have internal predecessors, (2406), 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 17:49:52,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:52,958 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:52,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:49:52,958 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:52,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:52,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1035775470, now seen corresponding path program 7 times [2024-11-22 17:49:52,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:52,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642747996] [2024-11-22 17:49:52,958 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-22 17:49:52,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:53,483 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 17:49:53,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:53,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642747996] [2024-11-22 17:49:53,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642747996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:53,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:53,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:53,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871675286] [2024-11-22 17:49:53,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:53,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:53,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:53,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:53,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:49:54,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:49:54,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 998 transitions, 17895 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:54,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:54,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:49:54,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:58,611 INFO L124 PetriNetUnfolderBase]: 4622/16486 cut-off events. [2024-11-22 17:49:58,611 INFO L125 PetriNetUnfolderBase]: For 162764/163868 co-relation queries the response was YES. [2024-11-22 17:49:58,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75311 conditions, 16486 events. 4622/16486 cut-off events. For 162764/163868 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 191888 event pairs, 333 based on Foata normal form. 247/16320 useless extension candidates. Maximal degree in co-relation 75106. Up to 4246 conditions per place. [2024-11-22 17:49:58,742 INFO L140 encePairwiseOnDemand]: 213/249 looper letters, 532 selfloop transitions, 573 changer transitions 3/1307 dead transitions. [2024-11-22 17:49:58,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 1307 transitions, 25552 flow [2024-11-22 17:49:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 17:49:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-22 17:49:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2929 transitions. [2024-11-22 17:49:58,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7842034805890228 [2024-11-22 17:49:58,744 INFO L175 Difference]: Start difference. First operand has 411 places, 998 transitions, 17895 flow. Second operand 15 states and 2929 transitions. [2024-11-22 17:49:58,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 1307 transitions, 25552 flow [2024-11-22 17:49:59,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 1307 transitions, 25302 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-22 17:49:59,229 INFO L231 Difference]: Finished difference. Result has 427 places, 1147 transitions, 24049 flow [2024-11-22 17:49:59,230 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=17746, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=433, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=24049, PETRI_PLACES=427, PETRI_TRANSITIONS=1147} [2024-11-22 17:49:59,230 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 175 predicate places. [2024-11-22 17:49:59,230 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 1147 transitions, 24049 flow [2024-11-22 17:49:59,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:49:59,231 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:59,231 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:59,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:49:59,231 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:49:59,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:59,231 INFO L85 PathProgramCache]: Analyzing trace with hash 102886350, now seen corresponding path program 8 times [2024-11-22 17:49:59,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:59,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702330877] [2024-11-22 17:49:59,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:49:59,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:59,252 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:49:59,252 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:59,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:59,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702330877] [2024-11-22 17:49:59,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702330877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:59,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:59,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:49:59,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362288770] [2024-11-22 17:49:59,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:59,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:49:59,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:59,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:49:59,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:50:00,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:50:00,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 1147 transitions, 24049 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:50:00,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:00,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:50:00,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:05,272 INFO L124 PetriNetUnfolderBase]: 4913/17562 cut-off events. [2024-11-22 17:50:05,272 INFO L125 PetriNetUnfolderBase]: For 215258/216482 co-relation queries the response was YES. [2024-11-22 17:50:05,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83305 conditions, 17562 events. 4913/17562 cut-off events. For 215258/216482 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 206657 event pairs, 325 based on Foata normal form. 348/17459 useless extension candidates. Maximal degree in co-relation 83090. Up to 3616 conditions per place. [2024-11-22 17:50:05,594 INFO L140 encePairwiseOnDemand]: 220/249 looper letters, 585 selfloop transitions, 591 changer transitions 0/1375 dead transitions. [2024-11-22 17:50:05,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1375 transitions, 30569 flow [2024-11-22 17:50:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 17:50:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-22 17:50:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3437 transitions. [2024-11-22 17:50:05,605 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7668451584114234 [2024-11-22 17:50:05,605 INFO L175 Difference]: Start difference. First operand has 427 places, 1147 transitions, 24049 flow. Second operand 18 states and 3437 transitions. [2024-11-22 17:50:05,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1375 transitions, 30569 flow [2024-11-22 17:50:06,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 1375 transitions, 30496 flow, removed 34 selfloop flow, removed 3 redundant places. [2024-11-22 17:50:06,323 INFO L231 Difference]: Finished difference. Result has 449 places, 1216 transitions, 28489 flow [2024-11-22 17:50:06,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=23992, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=522, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=28489, PETRI_PLACES=449, PETRI_TRANSITIONS=1216} [2024-11-22 17:50:06,324 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 197 predicate places. [2024-11-22 17:50:06,324 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 1216 transitions, 28489 flow [2024-11-22 17:50:06,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:50:06,325 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:06,326 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:06,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 17:50:06,326 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:50:06,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:06,326 INFO L85 PathProgramCache]: Analyzing trace with hash -382084818, now seen corresponding path program 9 times [2024-11-22 17:50:06,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:06,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45104025] [2024-11-22 17:50:06,327 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 17:50:06,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:06,355 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-22 17:50:06,356 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:06,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:06,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45104025] [2024-11-22 17:50:06,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45104025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:06,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:06,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:50:06,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019968569] [2024-11-22 17:50:06,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:06,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:50:06,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:06,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:50:06,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:50:07,978 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:50:07,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 1216 transitions, 28489 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:50:07,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:07,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:50:07,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:14,043 INFO L124 PetriNetUnfolderBase]: 5448/19437 cut-off events. [2024-11-22 17:50:14,043 INFO L125 PetriNetUnfolderBase]: For 293761/295204 co-relation queries the response was YES. [2024-11-22 17:50:14,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96619 conditions, 19437 events. 5448/19437 cut-off events. For 293761/295204 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 233543 event pairs, 415 based on Foata normal form. 427/19378 useless extension candidates. Maximal degree in co-relation 96395. Up to 3990 conditions per place. [2024-11-22 17:50:14,224 INFO L140 encePairwiseOnDemand]: 217/249 looper letters, 735 selfloop transitions, 597 changer transitions 2/1533 dead transitions. [2024-11-22 17:50:14,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 1533 transitions, 37039 flow [2024-11-22 17:50:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 17:50:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-22 17:50:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4035 transitions. [2024-11-22 17:50:14,226 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7716580608146874 [2024-11-22 17:50:14,226 INFO L175 Difference]: Start difference. First operand has 449 places, 1216 transitions, 28489 flow. Second operand 21 states and 4035 transitions. [2024-11-22 17:50:14,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 1533 transitions, 37039 flow [2024-11-22 17:50:15,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 1533 transitions, 36984 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-22 17:50:15,037 INFO L231 Difference]: Finished difference. Result has 470 places, 1316 transitions, 34159 flow [2024-11-22 17:50:15,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=28434, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=504, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=628, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=34159, PETRI_PLACES=470, PETRI_TRANSITIONS=1316} [2024-11-22 17:50:15,038 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 218 predicate places. [2024-11-22 17:50:15,038 INFO L471 AbstractCegarLoop]: Abstraction has has 470 places, 1316 transitions, 34159 flow [2024-11-22 17:50:15,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:50:15,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:15,043 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:15,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 17:50:15,043 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:50:15,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:15,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1639692144, now seen corresponding path program 10 times [2024-11-22 17:50:15,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:15,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282600516] [2024-11-22 17:50:15,044 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 17:50:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:15,076 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 17:50:15,076 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:15,544 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 17:50:15,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:15,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282600516] [2024-11-22 17:50:15,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282600516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:15,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:15,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:50:15,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421138625] [2024-11-22 17:50:15,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:15,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:50:15,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:15,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:50:15,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:50:16,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:50:16,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 1316 transitions, 34159 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:50:16,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:16,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:50:16,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:22,964 INFO L124 PetriNetUnfolderBase]: 5746/20311 cut-off events. [2024-11-22 17:50:22,964 INFO L125 PetriNetUnfolderBase]: For 365213/366863 co-relation queries the response was YES. [2024-11-22 17:50:23,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105912 conditions, 20311 events. 5746/20311 cut-off events. For 365213/366863 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 245450 event pairs, 482 based on Foata normal form. 496/20311 useless extension candidates. Maximal degree in co-relation 105679. Up to 4201 conditions per place. [2024-11-22 17:50:23,172 INFO L140 encePairwiseOnDemand]: 220/249 looper letters, 683 selfloop transitions, 676 changer transitions 0/1558 dead transitions. [2024-11-22 17:50:23,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 1558 transitions, 41801 flow [2024-11-22 17:50:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 17:50:23,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-22 17:50:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3627 transitions. [2024-11-22 17:50:23,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7666455294863666 [2024-11-22 17:50:23,175 INFO L175 Difference]: Start difference. First operand has 470 places, 1316 transitions, 34159 flow. Second operand 19 states and 3627 transitions. [2024-11-22 17:50:23,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 1558 transitions, 41801 flow [2024-11-22 17:50:24,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 1558 transitions, 41620 flow, removed 44 selfloop flow, removed 11 redundant places. [2024-11-22 17:50:24,186 INFO L231 Difference]: Finished difference. Result has 484 places, 1387 transitions, 39297 flow [2024-11-22 17:50:24,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=33980, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=606, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=39297, PETRI_PLACES=484, PETRI_TRANSITIONS=1387} [2024-11-22 17:50:24,187 INFO L277 CegarLoopForPetriNet]: 252 programPoint places, 232 predicate places. [2024-11-22 17:50:24,187 INFO L471 AbstractCegarLoop]: Abstraction has has 484 places, 1387 transitions, 39297 flow [2024-11-22 17:50:24,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:50:24,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:24,188 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:24,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 17:50:24,188 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-22 17:50:24,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:24,188 INFO L85 PathProgramCache]: Analyzing trace with hash -350042126, now seen corresponding path program 11 times [2024-11-22 17:50:24,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:24,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995879166] [2024-11-22 17:50:24,189 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 17:50:24,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:24,213 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:24,213 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:24,701 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 17:50:24,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:24,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995879166] [2024-11-22 17:50:24,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995879166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:24,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:24,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 17:50:24,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239954903] [2024-11-22 17:50:24,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:24,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 17:50:24,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:24,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 17:50:24,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-22 17:50:25,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 249 [2024-11-22 17:50:25,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 1387 transitions, 39297 flow. Second operand has 13 states, 13 states have (on average 183.07692307692307) internal successors, (2380), 13 states have internal predecessors, (2380), 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 17:50:25,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:25,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 249 [2024-11-22 17:50:25,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand