./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/weaver/popl20-more-sorted.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:00:12,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:00:12,162 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 06:00:12,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:00:12,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:00:12,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:00:12,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:00:12,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:00:12,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:00:12,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:00:12,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:00:12,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:00:12,208 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:00:12,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:00:12,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:00:12,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:00:12,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:00:12,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:00:12,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:00:12,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:00:12,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:00:12,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:00:12,213 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 06:00:12,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:00:12,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:00:12,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:00:12,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:00:12,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:00:12,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:00:12,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:00:12,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:00:12,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:00:12,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:00:12,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:00:12,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 06:00:12,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:00:12,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:00:12,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:00:12,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:00:12,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:00:12,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:00:12,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 [2024-11-19 06:00:12,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:00:12,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:00:12,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:00:12,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:00:12,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:00:12,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2024-11-19 06:00:14,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:00:14,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:00:14,273 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2024-11-19 06:00:14,285 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b606fb834/a90893e8c6d44e95a103fcc1a12b38a9/FLAG19e19c4ae [2024-11-19 06:00:14,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b606fb834/a90893e8c6d44e95a103fcc1a12b38a9 [2024-11-19 06:00:14,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:00:14,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:00:14,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:00:14,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:00:14,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:00:14,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7807558b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14, skipping insertion in model container [2024-11-19 06:00:14,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:00:14,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:00:14,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:00:14,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:00:14,691 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:00:14,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14 WrapperNode [2024-11-19 06:00:14,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:00:14,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:00:14,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:00:14,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:00:14,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,751 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-19 06:00:14,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:00:14,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:00:14,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:00:14,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:00:14,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:00:14,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:00:14,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:00:14,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:00:14,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (1/1) ... [2024-11-19 06:00:14,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:00:14,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:00:14,862 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) [2024-11-19 06:00:14,867 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 [2024-11-19 06:00:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:00:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 06:00:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 06:00:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 06:00:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 06:00:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-19 06:00:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-19 06:00:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 06:00:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 06:00:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:00:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:00:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 06:00:14,917 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 06:00:15,037 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:00:15,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:00:15,606 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 06:00:15,607 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:00:15,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:00:15,634 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 06:00:15,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:00:15 BoogieIcfgContainer [2024-11-19 06:00:15,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:00:15,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:00:15,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:00:15,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:00:15,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:00:14" (1/3) ... [2024-11-19 06:00:15,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b140485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:00:15, skipping insertion in model container [2024-11-19 06:00:15,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:14" (2/3) ... [2024-11-19 06:00:15,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b140485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:00:15, skipping insertion in model container [2024-11-19 06:00:15,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:00:15" (3/3) ... [2024-11-19 06:00:15,647 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2024-11-19 06:00:15,665 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:00:15,665 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-11-19 06:00:15,665 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 06:00:15,789 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-19 06:00:15,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 339 transitions, 699 flow [2024-11-19 06:00:15,972 INFO L124 PetriNetUnfolderBase]: 17/336 cut-off events. [2024-11-19 06:00:15,973 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 06:00:15,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 336 events. 17/336 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 702 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 251. Up to 2 conditions per place. [2024-11-19 06:00:15,989 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 339 transitions, 699 flow [2024-11-19 06:00:16,001 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 311 places, 316 transitions, 650 flow [2024-11-19 06:00:16,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:00:16,030 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;@3c739ee3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:00:16,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-11-19 06:00:16,037 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:00:16,040 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-19 06:00:16,041 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:00:16,041 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:16,042 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] [2024-11-19 06:00:16,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:16,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:16,049 INFO L85 PathProgramCache]: Analyzing trace with hash -808695391, now seen corresponding path program 1 times [2024-11-19 06:00:16,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:16,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654812931] [2024-11-19 06:00:16,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:16,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:16,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:16,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:16,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654812931] [2024-11-19 06:00:16,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654812931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:16,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:16,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886115003] [2024-11-19 06:00:16,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:16,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:16,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:16,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:16,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:16,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 339 [2024-11-19 06:00:16,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 316 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:16,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:16,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 339 [2024-11-19 06:00:16,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:16,556 INFO L124 PetriNetUnfolderBase]: 28/613 cut-off events. [2024-11-19 06:00:16,557 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-19 06:00:16,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 613 events. 28/613 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2696 event pairs, 7 based on Foata normal form. 16/524 useless extension candidates. Maximal degree in co-relation 439. Up to 31 conditions per place. [2024-11-19 06:00:16,573 INFO L140 encePairwiseOnDemand]: 329/339 looper letters, 13 selfloop transitions, 2 changer transitions 3/308 dead transitions. [2024-11-19 06:00:16,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 664 flow [2024-11-19 06:00:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-19 06:00:16,598 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9459193706981318 [2024-11-19 06:00:16,600 INFO L175 Difference]: Start difference. First operand has 311 places, 316 transitions, 650 flow. Second operand 3 states and 962 transitions. [2024-11-19 06:00:16,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 664 flow [2024-11-19 06:00:16,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 308 transitions, 652 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-19 06:00:16,615 INFO L231 Difference]: Finished difference. Result has 306 places, 305 transitions, 620 flow [2024-11-19 06:00:16,618 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=306, PETRI_TRANSITIONS=305} [2024-11-19 06:00:16,624 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -5 predicate places. [2024-11-19 06:00:16,624 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 305 transitions, 620 flow [2024-11-19 06:00:16,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:16,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:16,625 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] [2024-11-19 06:00:16,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:00:16,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:16,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:16,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1436395452, now seen corresponding path program 1 times [2024-11-19 06:00:16,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:16,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377264912] [2024-11-19 06:00:16,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:16,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:16,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:16,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377264912] [2024-11-19 06:00:16,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377264912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:16,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:16,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:16,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879218330] [2024-11-19 06:00:16,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:16,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:16,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:16,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:16,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:16,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 339 [2024-11-19 06:00:16,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 305 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:16,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:16,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 339 [2024-11-19 06:00:16,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:16,927 INFO L124 PetriNetUnfolderBase]: 19/455 cut-off events. [2024-11-19 06:00:16,932 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 06:00:16,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 455 events. 19/455 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1753 event pairs, 5 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 462. Up to 27 conditions per place. [2024-11-19 06:00:16,943 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-19 06:00:16,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 304 transitions, 648 flow [2024-11-19 06:00:16,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-11-19 06:00:16,951 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390363815142576 [2024-11-19 06:00:16,951 INFO L175 Difference]: Start difference. First operand has 306 places, 305 transitions, 620 flow. Second operand 3 states and 955 transitions. [2024-11-19 06:00:16,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 304 transitions, 648 flow [2024-11-19 06:00:16,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 304 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:16,963 INFO L231 Difference]: Finished difference. Result has 302 places, 304 transitions, 618 flow [2024-11-19 06:00:16,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=302, PETRI_TRANSITIONS=304} [2024-11-19 06:00:16,965 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -9 predicate places. [2024-11-19 06:00:16,965 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 304 transitions, 618 flow [2024-11-19 06:00:16,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:16,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:16,967 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] [2024-11-19 06:00:16,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:00:16,967 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:16,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:16,969 INFO L85 PathProgramCache]: Analyzing trace with hash 2079329439, now seen corresponding path program 1 times [2024-11-19 06:00:16,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:16,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091079343] [2024-11-19 06:00:16,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:16,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:17,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:17,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091079343] [2024-11-19 06:00:17,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091079343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:17,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:17,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:17,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786802609] [2024-11-19 06:00:17,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:17,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:17,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:17,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:17,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:17,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-19 06:00:17,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 304 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:17,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:17,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-19 06:00:17,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:17,170 INFO L124 PetriNetUnfolderBase]: 34/596 cut-off events. [2024-11-19 06:00:17,171 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 06:00:17,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 596 events. 34/596 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2844 event pairs, 12 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 616. Up to 46 conditions per place. [2024-11-19 06:00:17,182 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 14 selfloop transitions, 1 changer transitions 0/300 dead transitions. [2024-11-19 06:00:17,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 300 transitions, 640 flow [2024-11-19 06:00:17,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-19 06:00:17,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9360865290068829 [2024-11-19 06:00:17,185 INFO L175 Difference]: Start difference. First operand has 302 places, 304 transitions, 618 flow. Second operand 3 states and 952 transitions. [2024-11-19 06:00:17,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 300 transitions, 640 flow [2024-11-19 06:00:17,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 300 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:17,192 INFO L231 Difference]: Finished difference. Result has 298 places, 300 transitions, 608 flow [2024-11-19 06:00:17,193 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=298, PETRI_TRANSITIONS=300} [2024-11-19 06:00:17,194 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -13 predicate places. [2024-11-19 06:00:17,195 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 300 transitions, 608 flow [2024-11-19 06:00:17,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:17,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:17,197 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] [2024-11-19 06:00:17,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:00:17,197 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:17,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:17,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1966449611, now seen corresponding path program 1 times [2024-11-19 06:00:17,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:17,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721497620] [2024-11-19 06:00:17,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:17,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:17,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:17,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721497620] [2024-11-19 06:00:17,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721497620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:17,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:17,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:17,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869464830] [2024-11-19 06:00:17,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:17,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:17,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:17,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:18,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 339 [2024-11-19 06:00:18,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 300 transitions, 608 flow. Second operand has 6 states, 6 states have (on average 287.5) internal successors, (1725), 6 states have internal predecessors, (1725), 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) [2024-11-19 06:00:18,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:18,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 339 [2024-11-19 06:00:18,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:19,490 INFO L124 PetriNetUnfolderBase]: 2053/8822 cut-off events. [2024-11-19 06:00:19,491 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-11-19 06:00:19,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11725 conditions, 8822 events. 2053/8822 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 91934 event pairs, 1520 based on Foata normal form. 0/7237 useless extension candidates. Maximal degree in co-relation 11687. Up to 2804 conditions per place. [2024-11-19 06:00:19,610 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 38 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2024-11-19 06:00:19,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 299 transitions, 692 flow [2024-11-19 06:00:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1760 transitions. [2024-11-19 06:00:19,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652900688298918 [2024-11-19 06:00:19,617 INFO L175 Difference]: Start difference. First operand has 298 places, 300 transitions, 608 flow. Second operand 6 states and 1760 transitions. [2024-11-19 06:00:19,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 299 transitions, 692 flow [2024-11-19 06:00:19,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 299 transitions, 691 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:19,623 INFO L231 Difference]: Finished difference. Result has 301 places, 299 transitions, 615 flow [2024-11-19 06:00:19,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=301, PETRI_TRANSITIONS=299} [2024-11-19 06:00:19,624 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -10 predicate places. [2024-11-19 06:00:19,624 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 299 transitions, 615 flow [2024-11-19 06:00:19,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.5) internal successors, (1725), 6 states have internal predecessors, (1725), 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) [2024-11-19 06:00:19,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:19,626 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] [2024-11-19 06:00:19,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 06:00:19,627 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:19,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:19,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1424960186, now seen corresponding path program 1 times [2024-11-19 06:00:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:19,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109464319] [2024-11-19 06:00:19,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:19,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:19,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:19,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109464319] [2024-11-19 06:00:19,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109464319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:19,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:19,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:19,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637603659] [2024-11-19 06:00:19,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:19,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:19,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:19,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:19,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:19,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-19 06:00:19,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 299 transitions, 615 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:19,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:19,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-19 06:00:19,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:19,914 INFO L124 PetriNetUnfolderBase]: 84/906 cut-off events. [2024-11-19 06:00:19,915 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-19 06:00:19,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 906 events. 84/906 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5289 event pairs, 56 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 1023. Up to 112 conditions per place. [2024-11-19 06:00:19,928 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 15 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-11-19 06:00:19,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 298 transitions, 647 flow [2024-11-19 06:00:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-11-19 06:00:19,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9351032448377581 [2024-11-19 06:00:19,933 INFO L175 Difference]: Start difference. First operand has 301 places, 299 transitions, 615 flow. Second operand 3 states and 951 transitions. [2024-11-19 06:00:19,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 298 transitions, 647 flow [2024-11-19 06:00:19,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 298 transitions, 637 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:00:19,939 INFO L231 Difference]: Finished difference. Result has 297 places, 298 transitions, 607 flow [2024-11-19 06:00:19,940 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=607, PETRI_PLACES=297, PETRI_TRANSITIONS=298} [2024-11-19 06:00:19,941 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -14 predicate places. [2024-11-19 06:00:19,942 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 298 transitions, 607 flow [2024-11-19 06:00:19,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:19,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:19,943 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:19,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 06:00:19,944 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:19,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:19,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1920678985, now seen corresponding path program 1 times [2024-11-19 06:00:19,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:19,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167042515] [2024-11-19 06:00:19,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:19,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:19,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167042515] [2024-11-19 06:00:19,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167042515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:19,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:19,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:19,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089856902] [2024-11-19 06:00:19,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:19,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:19,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:19,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:19,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:20,020 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-19 06:00:20,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 298 transitions, 607 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:20,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-19 06:00:20,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:20,111 INFO L124 PetriNetUnfolderBase]: 17/396 cut-off events. [2024-11-19 06:00:20,112 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 06:00:20,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 396 events. 17/396 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1364 event pairs, 4 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 395. Up to 24 conditions per place. [2024-11-19 06:00:20,123 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-11-19 06:00:20,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 297 transitions, 633 flow [2024-11-19 06:00:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-19 06:00:20,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-19 06:00:20,127 INFO L175 Difference]: Start difference. First operand has 297 places, 298 transitions, 607 flow. Second operand 3 states and 957 transitions. [2024-11-19 06:00:20,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 297 transitions, 633 flow [2024-11-19 06:00:20,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 297 transitions, 629 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:20,134 INFO L231 Difference]: Finished difference. Result has 296 places, 297 transitions, 605 flow [2024-11-19 06:00:20,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=605, PETRI_PLACES=296, PETRI_TRANSITIONS=297} [2024-11-19 06:00:20,138 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -15 predicate places. [2024-11-19 06:00:20,138 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 297 transitions, 605 flow [2024-11-19 06:00:20,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,139 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:20,140 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] [2024-11-19 06:00:20,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 06:00:20,140 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:20,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:20,141 INFO L85 PathProgramCache]: Analyzing trace with hash -501053886, now seen corresponding path program 1 times [2024-11-19 06:00:20,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:20,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553465015] [2024-11-19 06:00:20,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:20,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:20,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:20,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553465015] [2024-11-19 06:00:20,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553465015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:20,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:20,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:20,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074042272] [2024-11-19 06:00:20,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:20,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:20,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:20,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:20,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:20,230 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-19 06:00:20,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 297 transitions, 605 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:20,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-19 06:00:20,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:20,308 INFO L124 PetriNetUnfolderBase]: 16/410 cut-off events. [2024-11-19 06:00:20,309 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 06:00:20,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 410 events. 16/410 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1332 event pairs, 4 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 404. Up to 21 conditions per place. [2024-11-19 06:00:20,315 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-19 06:00:20,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 296 transitions, 631 flow [2024-11-19 06:00:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-19 06:00:20,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-19 06:00:20,319 INFO L175 Difference]: Start difference. First operand has 296 places, 297 transitions, 605 flow. Second operand 3 states and 957 transitions. [2024-11-19 06:00:20,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 296 transitions, 631 flow [2024-11-19 06:00:20,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 296 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:20,330 INFO L231 Difference]: Finished difference. Result has 295 places, 296 transitions, 603 flow [2024-11-19 06:00:20,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=603, PETRI_PLACES=295, PETRI_TRANSITIONS=296} [2024-11-19 06:00:20,331 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -16 predicate places. [2024-11-19 06:00:20,332 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 296 transitions, 603 flow [2024-11-19 06:00:20,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:20,334 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] [2024-11-19 06:00:20,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 06:00:20,335 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:20,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:20,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1492001365, now seen corresponding path program 1 times [2024-11-19 06:00:20,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:20,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812588250] [2024-11-19 06:00:20,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:20,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:20,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:20,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812588250] [2024-11-19 06:00:20,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812588250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:20,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:20,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:20,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285013446] [2024-11-19 06:00:20,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:20,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:20,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:20,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:20,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:20,428 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-19 06:00:20,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 296 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:20,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-19 06:00:20,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:20,485 INFO L124 PetriNetUnfolderBase]: 12/303 cut-off events. [2024-11-19 06:00:20,485 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 06:00:20,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 303 events. 12/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 731 event pairs, 4 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 295. Up to 21 conditions per place. [2024-11-19 06:00:20,489 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-11-19 06:00:20,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 295 transitions, 629 flow [2024-11-19 06:00:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-19 06:00:20,493 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-19 06:00:20,493 INFO L175 Difference]: Start difference. First operand has 295 places, 296 transitions, 603 flow. Second operand 3 states and 957 transitions. [2024-11-19 06:00:20,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 295 transitions, 629 flow [2024-11-19 06:00:20,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 295 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:20,501 INFO L231 Difference]: Finished difference. Result has 294 places, 295 transitions, 601 flow [2024-11-19 06:00:20,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=294, PETRI_TRANSITIONS=295} [2024-11-19 06:00:20,502 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-19 06:00:20,503 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 295 transitions, 601 flow [2024-11-19 06:00:20,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,505 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:20,505 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] [2024-11-19 06:00:20,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 06:00:20,509 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:20,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:20,509 INFO L85 PathProgramCache]: Analyzing trace with hash -403365518, now seen corresponding path program 1 times [2024-11-19 06:00:20,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:20,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643222693] [2024-11-19 06:00:20,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:20,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:20,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:20,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643222693] [2024-11-19 06:00:20,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643222693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:20,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:20,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:20,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650461214] [2024-11-19 06:00:20,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:20,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:20,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:20,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:20,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:20,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-19 06:00:20,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 295 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:20,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-19 06:00:20,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:20,686 INFO L124 PetriNetUnfolderBase]: 49/747 cut-off events. [2024-11-19 06:00:20,686 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-19 06:00:20,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 747 events. 49/747 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4076 event pairs, 20 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 776. Up to 56 conditions per place. [2024-11-19 06:00:20,698 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 14 selfloop transitions, 1 changer transitions 0/291 dead transitions. [2024-11-19 06:00:20,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 291 transitions, 623 flow [2024-11-19 06:00:20,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-19 06:00:20,701 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9360865290068829 [2024-11-19 06:00:20,701 INFO L175 Difference]: Start difference. First operand has 294 places, 295 transitions, 601 flow. Second operand 3 states and 952 transitions. [2024-11-19 06:00:20,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 291 transitions, 623 flow [2024-11-19 06:00:20,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 291 transitions, 619 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:20,707 INFO L231 Difference]: Finished difference. Result has 290 places, 291 transitions, 591 flow [2024-11-19 06:00:20,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=290, PETRI_TRANSITIONS=291} [2024-11-19 06:00:20,708 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-19 06:00:20,709 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 291 transitions, 591 flow [2024-11-19 06:00:20,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:20,710 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:20,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 06:00:20,710 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:20,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:20,711 INFO L85 PathProgramCache]: Analyzing trace with hash -80520043, now seen corresponding path program 1 times [2024-11-19 06:00:20,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:20,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961358645] [2024-11-19 06:00:20,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:20,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:20,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:20,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961358645] [2024-11-19 06:00:20,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961358645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:20,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:20,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:20,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309623893] [2024-11-19 06:00:20,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:20,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:20,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:20,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:20,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:20,775 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-19 06:00:20,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 291 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:20,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-19 06:00:20,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:20,838 INFO L124 PetriNetUnfolderBase]: 19/388 cut-off events. [2024-11-19 06:00:20,838 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 06:00:20,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 388 events. 19/388 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1359 event pairs, 2 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 391. Up to 14 conditions per place. [2024-11-19 06:00:20,843 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 11 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-11-19 06:00:20,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 291 transitions, 621 flow [2024-11-19 06:00:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:20,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-19 06:00:20,846 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-19 06:00:20,846 INFO L175 Difference]: Start difference. First operand has 290 places, 291 transitions, 591 flow. Second operand 3 states and 964 transitions. [2024-11-19 06:00:20,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 291 transitions, 621 flow [2024-11-19 06:00:20,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 291 transitions, 620 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:20,851 INFO L231 Difference]: Finished difference. Result has 289 places, 289 transitions, 592 flow [2024-11-19 06:00:20,852 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=289, PETRI_TRANSITIONS=289} [2024-11-19 06:00:20,852 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -22 predicate places. [2024-11-19 06:00:20,853 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 289 transitions, 592 flow [2024-11-19 06:00:20,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:20,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:20,854 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] [2024-11-19 06:00:20,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 06:00:20,854 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:20,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:20,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1137513529, now seen corresponding path program 1 times [2024-11-19 06:00:20,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:20,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792808497] [2024-11-19 06:00:20,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:20,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:20,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:20,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:20,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792808497] [2024-11-19 06:00:20,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792808497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:20,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:20,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:20,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846746577] [2024-11-19 06:00:20,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:20,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:20,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:20,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:20,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:20,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 339 [2024-11-19 06:00:20,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 289 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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) [2024-11-19 06:00:20,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:20,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 339 [2024-11-19 06:00:20,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:21,428 INFO L124 PetriNetUnfolderBase]: 460/3169 cut-off events. [2024-11-19 06:00:21,429 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-19 06:00:21,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3819 conditions, 3169 events. 460/3169 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 28112 event pairs, 172 based on Foata normal form. 0/2737 useless extension candidates. Maximal degree in co-relation 3781. Up to 577 conditions per place. [2024-11-19 06:00:21,460 INFO L140 encePairwiseOnDemand]: 330/339 looper letters, 24 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-11-19 06:00:21,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 291 transitions, 655 flow [2024-11-19 06:00:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:21,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 948 transitions. [2024-11-19 06:00:21,463 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9321533923303835 [2024-11-19 06:00:21,463 INFO L175 Difference]: Start difference. First operand has 289 places, 289 transitions, 592 flow. Second operand 3 states and 948 transitions. [2024-11-19 06:00:21,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 291 transitions, 655 flow [2024-11-19 06:00:21,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 649 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:21,471 INFO L231 Difference]: Finished difference. Result has 284 places, 286 transitions, 595 flow [2024-11-19 06:00:21,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=595, PETRI_PLACES=284, PETRI_TRANSITIONS=286} [2024-11-19 06:00:21,474 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2024-11-19 06:00:21,474 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 286 transitions, 595 flow [2024-11-19 06:00:21,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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) [2024-11-19 06:00:21,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:21,475 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:21,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 06:00:21,475 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:21,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:21,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1075872973, now seen corresponding path program 1 times [2024-11-19 06:00:21,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:21,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124671637] [2024-11-19 06:00:21,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:21,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:21,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:21,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124671637] [2024-11-19 06:00:21,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124671637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:21,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:21,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:21,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603094648] [2024-11-19 06:00:21,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:21,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:21,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:21,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:21,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:21,537 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-19 06:00:21,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 286 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2024-11-19 06:00:21,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:21,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-19 06:00:21,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:21,667 INFO L124 PetriNetUnfolderBase]: 73/842 cut-off events. [2024-11-19 06:00:21,668 INFO L125 PetriNetUnfolderBase]: For 16/42 co-relation queries the response was YES. [2024-11-19 06:00:21,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 842 events. 73/842 cut-off events. For 16/42 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4428 event pairs, 6 based on Foata normal form. 2/753 useless extension candidates. Maximal degree in co-relation 931. Up to 40 conditions per place. [2024-11-19 06:00:21,684 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2024-11-19 06:00:21,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 286 transitions, 625 flow [2024-11-19 06:00:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-19 06:00:21,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-19 06:00:21,687 INFO L175 Difference]: Start difference. First operand has 284 places, 286 transitions, 595 flow. Second operand 3 states and 964 transitions. [2024-11-19 06:00:21,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 286 transitions, 625 flow [2024-11-19 06:00:21,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 286 transitions, 625 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:00:21,694 INFO L231 Difference]: Finished difference. Result has 284 places, 284 transitions, 597 flow [2024-11-19 06:00:21,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=597, PETRI_PLACES=284, PETRI_TRANSITIONS=284} [2024-11-19 06:00:21,696 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2024-11-19 06:00:21,697 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 284 transitions, 597 flow [2024-11-19 06:00:21,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2024-11-19 06:00:21,698 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:21,698 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:21,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 06:00:21,698 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:21,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:21,699 INFO L85 PathProgramCache]: Analyzing trace with hash -2065179203, now seen corresponding path program 1 times [2024-11-19 06:00:21,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:21,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664673169] [2024-11-19 06:00:21,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:21,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:21,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:21,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664673169] [2024-11-19 06:00:21,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664673169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:21,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:21,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:21,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734504692] [2024-11-19 06:00:21,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:21,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:21,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:21,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:21,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:21,773 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-19 06:00:21,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 284 transitions, 597 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:21,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:21,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-19 06:00:21,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:21,891 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][265], [Black: 368#true, 370#(= |#race~A~0| 0), 372#true, 244#L89true, 343#(= |#race~N~0| 0), 364#(= |#race~M~0| 0), 375#true]) [2024-11-19 06:00:21,892 INFO L294 olderBase$Statistics]: this new event has 245 ancestors and is cut-off event [2024-11-19 06:00:21,892 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-11-19 06:00:21,892 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-11-19 06:00:21,892 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-11-19 06:00:21,892 INFO L124 PetriNetUnfolderBase]: 65/761 cut-off events. [2024-11-19 06:00:21,892 INFO L125 PetriNetUnfolderBase]: For 8/46 co-relation queries the response was YES. [2024-11-19 06:00:21,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 761 events. 65/761 cut-off events. For 8/46 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3663 event pairs, 13 based on Foata normal form. 5/694 useless extension candidates. Maximal degree in co-relation 871. Up to 52 conditions per place. [2024-11-19 06:00:21,907 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-19 06:00:21,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 285 transitions, 631 flow [2024-11-19 06:00:21,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-19 06:00:21,910 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-19 06:00:21,910 INFO L175 Difference]: Start difference. First operand has 284 places, 284 transitions, 597 flow. Second operand 3 states and 964 transitions. [2024-11-19 06:00:21,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 285 transitions, 631 flow [2024-11-19 06:00:21,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 285 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:21,916 INFO L231 Difference]: Finished difference. Result has 283 places, 283 transitions, 593 flow [2024-11-19 06:00:21,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=283, PETRI_TRANSITIONS=283} [2024-11-19 06:00:21,918 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -28 predicate places. [2024-11-19 06:00:21,918 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 283 transitions, 593 flow [2024-11-19 06:00:21,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:21,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:21,919 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:21,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 06:00:21,919 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:21,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:21,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1128922688, now seen corresponding path program 1 times [2024-11-19 06:00:21,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:21,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763090414] [2024-11-19 06:00:21,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:21,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:22,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:22,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763090414] [2024-11-19 06:00:22,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763090414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:22,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:22,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 06:00:22,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936603428] [2024-11-19 06:00:22,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:22,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 06:00:22,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:22,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 06:00:22,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:00:22,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-19 06:00:22,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 283 transitions, 593 flow. Second operand has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 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) [2024-11-19 06:00:22,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:22,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-19 06:00:22,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:22,622 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][293], [378#true, Black: 368#true, 370#(= |#race~A~0| 0), 244#L89true, 343#(= |#race~N~0| 0), 375#true, 364#(= |#race~M~0| 0)]) [2024-11-19 06:00:22,623 INFO L294 olderBase$Statistics]: this new event has 260 ancestors and is cut-off event [2024-11-19 06:00:22,623 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2024-11-19 06:00:22,623 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2024-11-19 06:00:22,623 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2024-11-19 06:00:22,623 INFO L124 PetriNetUnfolderBase]: 95/1385 cut-off events. [2024-11-19 06:00:22,623 INFO L125 PetriNetUnfolderBase]: For 11/40 co-relation queries the response was YES. [2024-11-19 06:00:22,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 1385 events. 95/1385 cut-off events. For 11/40 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8646 event pairs, 18 based on Foata normal form. 4/1259 useless extension candidates. Maximal degree in co-relation 1560. Up to 67 conditions per place. [2024-11-19 06:00:22,644 INFO L140 encePairwiseOnDemand]: 326/339 looper letters, 22 selfloop transitions, 14 changer transitions 0/298 dead transitions. [2024-11-19 06:00:22,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 298 transitions, 703 flow [2024-11-19 06:00:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 06:00:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 06:00:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3127 transitions. [2024-11-19 06:00:22,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224188790560472 [2024-11-19 06:00:22,652 INFO L175 Difference]: Start difference. First operand has 283 places, 283 transitions, 593 flow. Second operand 10 states and 3127 transitions. [2024-11-19 06:00:22,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 298 transitions, 703 flow [2024-11-19 06:00:22,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 298 transitions, 699 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:22,659 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 655 flow [2024-11-19 06:00:22,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=655, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-11-19 06:00:22,660 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-19 06:00:22,661 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 655 flow [2024-11-19 06:00:22,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 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) [2024-11-19 06:00:22,662 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:22,663 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:22,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 06:00:22,663 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:22,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:22,663 INFO L85 PathProgramCache]: Analyzing trace with hash 298348699, now seen corresponding path program 1 times [2024-11-19 06:00:22,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:22,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279422756] [2024-11-19 06:00:22,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:22,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:22,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:22,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:22,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279422756] [2024-11-19 06:00:22,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279422756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:22,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:22,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:22,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777044204] [2024-11-19 06:00:22,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:22,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:22,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:22,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:22,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:22,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-19 06:00:22,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-19 06:00:22,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:22,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-19 06:00:22,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:22,965 INFO L124 PetriNetUnfolderBase]: 145/1650 cut-off events. [2024-11-19 06:00:22,965 INFO L125 PetriNetUnfolderBase]: For 53/108 co-relation queries the response was YES. [2024-11-19 06:00:22,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1959 conditions, 1650 events. 145/1650 cut-off events. For 53/108 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10800 event pairs, 29 based on Foata normal form. 0/1496 useless extension candidates. Maximal degree in co-relation 1913. Up to 120 conditions per place. [2024-11-19 06:00:22,991 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-19 06:00:22,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 291 transitions, 689 flow [2024-11-19 06:00:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-19 06:00:22,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-19 06:00:22,994 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 655 flow. Second operand 3 states and 964 transitions. [2024-11-19 06:00:22,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 291 transitions, 689 flow [2024-11-19 06:00:22,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 291 transitions, 685 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:23,001 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 653 flow [2024-11-19 06:00:23,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2024-11-19 06:00:23,003 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-19 06:00:23,003 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 653 flow [2024-11-19 06:00:23,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-19 06:00:23,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:23,004 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] [2024-11-19 06:00:23,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 06:00:23,005 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:23,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:23,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1856901994, now seen corresponding path program 1 times [2024-11-19 06:00:23,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:23,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405782344] [2024-11-19 06:00:23,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:23,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:23,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:23,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405782344] [2024-11-19 06:00:23,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405782344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:23,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:23,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:23,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319820395] [2024-11-19 06:00:23,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:23,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:23,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:23,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:23,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:23,077 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-19 06:00:23,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:23,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:23,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-19 06:00:23,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:23,293 INFO L124 PetriNetUnfolderBase]: 119/1101 cut-off events. [2024-11-19 06:00:23,293 INFO L125 PetriNetUnfolderBase]: For 58/89 co-relation queries the response was YES. [2024-11-19 06:00:23,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 1101 events. 119/1101 cut-off events. For 58/89 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6223 event pairs, 11 based on Foata normal form. 4/1005 useless extension candidates. Maximal degree in co-relation 1306. Up to 79 conditions per place. [2024-11-19 06:00:23,310 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 9 selfloop transitions, 2 changer transitions 8/289 dead transitions. [2024-11-19 06:00:23,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 289 transitions, 681 flow [2024-11-19 06:00:23,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:23,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-19 06:00:23,314 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9469026548672567 [2024-11-19 06:00:23,314 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 653 flow. Second operand 3 states and 963 transitions. [2024-11-19 06:00:23,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 289 transitions, 681 flow [2024-11-19 06:00:23,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 289 transitions, 677 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:23,323 INFO L231 Difference]: Finished difference. Result has 292 places, 279 transitions, 632 flow [2024-11-19 06:00:23,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=292, PETRI_TRANSITIONS=279} [2024-11-19 06:00:23,324 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -19 predicate places. [2024-11-19 06:00:23,324 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 279 transitions, 632 flow [2024-11-19 06:00:23,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:23,325 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:23,326 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] [2024-11-19 06:00:23,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 06:00:23,326 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:23,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:23,327 INFO L85 PathProgramCache]: Analyzing trace with hash -280137186, now seen corresponding path program 1 times [2024-11-19 06:00:23,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:23,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657166893] [2024-11-19 06:00:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:23,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:23,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:23,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657166893] [2024-11-19 06:00:23,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657166893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:23,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:23,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:23,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137655773] [2024-11-19 06:00:23,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:23,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:00:23,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:23,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:00:23,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:00:23,501 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-19 06:00:23,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 279 transitions, 632 flow. Second operand has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 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) [2024-11-19 06:00:23,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:23,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-19 06:00:23,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:23,850 INFO L124 PetriNetUnfolderBase]: 133/1669 cut-off events. [2024-11-19 06:00:23,850 INFO L125 PetriNetUnfolderBase]: For 60/70 co-relation queries the response was YES. [2024-11-19 06:00:23,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 1669 events. 133/1669 cut-off events. For 60/70 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 11162 event pairs, 40 based on Foata normal form. 8/1543 useless extension candidates. Maximal degree in co-relation 1968. Up to 114 conditions per place. [2024-11-19 06:00:23,884 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 22 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-11-19 06:00:23,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 289 transitions, 713 flow [2024-11-19 06:00:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:00:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 06:00:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1583 transitions. [2024-11-19 06:00:23,889 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9339233038348083 [2024-11-19 06:00:23,890 INFO L175 Difference]: Start difference. First operand has 292 places, 279 transitions, 632 flow. Second operand 5 states and 1583 transitions. [2024-11-19 06:00:23,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 289 transitions, 713 flow [2024-11-19 06:00:23,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 289 transitions, 709 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:23,897 INFO L231 Difference]: Finished difference. Result has 288 places, 281 transitions, 653 flow [2024-11-19 06:00:23,897 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=653, PETRI_PLACES=288, PETRI_TRANSITIONS=281} [2024-11-19 06:00:23,898 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -23 predicate places. [2024-11-19 06:00:23,898 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 281 transitions, 653 flow [2024-11-19 06:00:23,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 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) [2024-11-19 06:00:23,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:23,900 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] [2024-11-19 06:00:23,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 06:00:23,900 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:23,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:23,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1546674034, now seen corresponding path program 1 times [2024-11-19 06:00:23,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:23,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91341395] [2024-11-19 06:00:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:23,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:23,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:23,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91341395] [2024-11-19 06:00:23,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91341395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:23,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:23,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:23,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254357998] [2024-11-19 06:00:23,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:23,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:23,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:23,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:23,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:23,970 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-19 06:00:23,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 281 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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) [2024-11-19 06:00:23,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:23,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-19 06:00:23,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:24,246 INFO L124 PetriNetUnfolderBase]: 233/1746 cut-off events. [2024-11-19 06:00:24,247 INFO L125 PetriNetUnfolderBase]: For 147/218 co-relation queries the response was YES. [2024-11-19 06:00:24,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2243 conditions, 1746 events. 233/1746 cut-off events. For 147/218 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 12167 event pairs, 56 based on Foata normal form. 0/1602 useless extension candidates. Maximal degree in co-relation 2196. Up to 235 conditions per place. [2024-11-19 06:00:24,273 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 11 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-19 06:00:24,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 282 transitions, 683 flow [2024-11-19 06:00:24,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-19 06:00:24,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9459193706981318 [2024-11-19 06:00:24,277 INFO L175 Difference]: Start difference. First operand has 288 places, 281 transitions, 653 flow. Second operand 3 states and 962 transitions. [2024-11-19 06:00:24,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 282 transitions, 683 flow [2024-11-19 06:00:24,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 282 transitions, 678 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:24,282 INFO L231 Difference]: Finished difference. Result has 287 places, 280 transitions, 650 flow [2024-11-19 06:00:24,283 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=287, PETRI_TRANSITIONS=280} [2024-11-19 06:00:24,283 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -24 predicate places. [2024-11-19 06:00:24,284 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 280 transitions, 650 flow [2024-11-19 06:00:24,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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) [2024-11-19 06:00:24,284 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:24,284 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:24,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 06:00:24,285 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:24,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:24,285 INFO L85 PathProgramCache]: Analyzing trace with hash -218885246, now seen corresponding path program 1 times [2024-11-19 06:00:24,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:24,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630782532] [2024-11-19 06:00:24,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:24,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:24,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:24,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630782532] [2024-11-19 06:00:24,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630782532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:24,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:24,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:24,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251691964] [2024-11-19 06:00:24,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:24,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:24,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:24,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:24,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:24,955 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-19 06:00:24,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 280 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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) [2024-11-19 06:00:24,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:24,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-19 06:00:24,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:25,240 INFO L124 PetriNetUnfolderBase]: 151/1753 cut-off events. [2024-11-19 06:00:25,241 INFO L125 PetriNetUnfolderBase]: For 141/150 co-relation queries the response was YES. [2024-11-19 06:00:25,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 1753 events. 151/1753 cut-off events. For 141/150 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11812 event pairs, 37 based on Foata normal form. 0/1636 useless extension candidates. Maximal degree in co-relation 2170. Up to 142 conditions per place. [2024-11-19 06:00:25,273 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 25 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-19 06:00:25,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 288 transitions, 734 flow [2024-11-19 06:00:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-19 06:00:25,279 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-19 06:00:25,279 INFO L175 Difference]: Start difference. First operand has 287 places, 280 transitions, 650 flow. Second operand 6 states and 1883 transitions. [2024-11-19 06:00:25,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 288 transitions, 734 flow [2024-11-19 06:00:25,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:25,286 INFO L231 Difference]: Finished difference. Result has 290 places, 280 transitions, 660 flow [2024-11-19 06:00:25,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=660, PETRI_PLACES=290, PETRI_TRANSITIONS=280} [2024-11-19 06:00:25,287 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-19 06:00:25,287 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 280 transitions, 660 flow [2024-11-19 06:00:25,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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) [2024-11-19 06:00:25,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:25,288 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:25,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 06:00:25,289 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:25,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:25,289 INFO L85 PathProgramCache]: Analyzing trace with hash -738393419, now seen corresponding path program 1 times [2024-11-19 06:00:25,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:25,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388698137] [2024-11-19 06:00:25,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:25,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:25,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:25,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388698137] [2024-11-19 06:00:25,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388698137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:25,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:25,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:25,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286156004] [2024-11-19 06:00:25,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:25,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:25,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:25,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:25,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:26,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-19 06:00:26,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 280 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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) [2024-11-19 06:00:26,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:26,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-19 06:00:26,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:26,305 INFO L124 PetriNetUnfolderBase]: 232/1738 cut-off events. [2024-11-19 06:00:26,305 INFO L125 PetriNetUnfolderBase]: For 147/268 co-relation queries the response was YES. [2024-11-19 06:00:26,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2276 conditions, 1738 events. 232/1738 cut-off events. For 147/268 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12186 event pairs, 52 based on Foata normal form. 4/1628 useless extension candidates. Maximal degree in co-relation 2227. Up to 219 conditions per place. [2024-11-19 06:00:26,327 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-19 06:00:26,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 288 transitions, 740 flow [2024-11-19 06:00:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-19 06:00:26,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-19 06:00:26,333 INFO L175 Difference]: Start difference. First operand has 290 places, 280 transitions, 660 flow. Second operand 6 states and 1883 transitions. [2024-11-19 06:00:26,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 288 transitions, 740 flow [2024-11-19 06:00:26,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 288 transitions, 732 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 06:00:26,339 INFO L231 Difference]: Finished difference. Result has 291 places, 280 transitions, 666 flow [2024-11-19 06:00:26,339 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=666, PETRI_PLACES=291, PETRI_TRANSITIONS=280} [2024-11-19 06:00:26,340 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -20 predicate places. [2024-11-19 06:00:26,340 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 280 transitions, 666 flow [2024-11-19 06:00:26,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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) [2024-11-19 06:00:26,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:26,341 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] [2024-11-19 06:00:26,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 06:00:26,342 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:26,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:26,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1502202117, now seen corresponding path program 1 times [2024-11-19 06:00:26,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:26,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715747521] [2024-11-19 06:00:26,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:26,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:26,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:26,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715747521] [2024-11-19 06:00:26,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715747521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:00:26,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387760067] [2024-11-19 06:00:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:26,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:00:26,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:00:26,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:00:26,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 06:00:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:26,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 06:00:26,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:00:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:26,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:00:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:27,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387760067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:00:27,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 06:00:27,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-11-19 06:00:27,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369190327] [2024-11-19 06:00:27,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 06:00:27,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 06:00:27,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:27,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 06:00:27,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-11-19 06:00:27,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 339 [2024-11-19 06:00:27,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 280 transitions, 666 flow. Second operand has 19 states, 19 states have (on average 306.89473684210526) internal successors, (5831), 19 states have internal predecessors, (5831), 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) [2024-11-19 06:00:27,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:27,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 339 [2024-11-19 06:00:27,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:28,390 INFO L124 PetriNetUnfolderBase]: 208/3310 cut-off events. [2024-11-19 06:00:28,390 INFO L125 PetriNetUnfolderBase]: For 94/118 co-relation queries the response was YES. [2024-11-19 06:00:28,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4128 conditions, 3310 events. 208/3310 cut-off events. For 94/118 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 28074 event pairs, 35 based on Foata normal form. 9/3136 useless extension candidates. Maximal degree in co-relation 4077. Up to 108 conditions per place. [2024-11-19 06:00:28,434 INFO L140 encePairwiseOnDemand]: 322/339 looper letters, 26 selfloop transitions, 27 changer transitions 0/302 dead transitions. [2024-11-19 06:00:28,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 302 transitions, 838 flow [2024-11-19 06:00:28,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 06:00:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-19 06:00:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4930 transitions. [2024-11-19 06:00:28,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9089233038348082 [2024-11-19 06:00:28,445 INFO L175 Difference]: Start difference. First operand has 291 places, 280 transitions, 666 flow. Second operand 16 states and 4930 transitions. [2024-11-19 06:00:28,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 302 transitions, 838 flow [2024-11-19 06:00:28,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 830 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 06:00:28,452 INFO L231 Difference]: Finished difference. Result has 310 places, 291 transitions, 797 flow [2024-11-19 06:00:28,452 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=797, PETRI_PLACES=310, PETRI_TRANSITIONS=291} [2024-11-19 06:00:28,453 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -1 predicate places. [2024-11-19 06:00:28,453 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 291 transitions, 797 flow [2024-11-19 06:00:28,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 306.89473684210526) internal successors, (5831), 19 states have internal predecessors, (5831), 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) [2024-11-19 06:00:28,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:28,456 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] [2024-11-19 06:00:28,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 06:00:28,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 06:00:28,661 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:28,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash -636323606, now seen corresponding path program 1 times [2024-11-19 06:00:28,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:28,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772901481] [2024-11-19 06:00:28,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:28,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:29,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:29,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772901481] [2024-11-19 06:00:29,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772901481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:29,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:29,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:29,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839546964] [2024-11-19 06:00:29,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:29,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:29,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:29,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:29,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:29,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-19 06:00:29,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 291 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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) [2024-11-19 06:00:29,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:29,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-19 06:00:29,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:29,658 INFO L124 PetriNetUnfolderBase]: 198/2471 cut-off events. [2024-11-19 06:00:29,658 INFO L125 PetriNetUnfolderBase]: For 285/294 co-relation queries the response was YES. [2024-11-19 06:00:29,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 2471 events. 198/2471 cut-off events. For 285/294 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 18739 event pairs, 51 based on Foata normal form. 0/2341 useless extension candidates. Maximal degree in co-relation 3195. Up to 196 conditions per place. [2024-11-19 06:00:29,698 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 25 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2024-11-19 06:00:29,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 298 transitions, 879 flow [2024-11-19 06:00:29,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-19 06:00:29,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-19 06:00:29,705 INFO L175 Difference]: Start difference. First operand has 310 places, 291 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-11-19 06:00:29,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 298 transitions, 879 flow [2024-11-19 06:00:29,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 298 transitions, 862 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:29,713 INFO L231 Difference]: Finished difference. Result has 312 places, 290 transitions, 788 flow [2024-11-19 06:00:29,713 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=312, PETRI_TRANSITIONS=290} [2024-11-19 06:00:29,714 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, 1 predicate places. [2024-11-19 06:00:29,714 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 290 transitions, 788 flow [2024-11-19 06:00:29,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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) [2024-11-19 06:00:29,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:29,716 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] [2024-11-19 06:00:29,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 06:00:29,716 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:29,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:29,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1931194269, now seen corresponding path program 1 times [2024-11-19 06:00:29,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:29,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842116200] [2024-11-19 06:00:29,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:29,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:30,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:30,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842116200] [2024-11-19 06:00:30,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842116200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:30,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:30,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:30,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819009846] [2024-11-19 06:00:30,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:30,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:30,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:30,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:30,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:30,343 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-19 06:00:30,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 290 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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) [2024-11-19 06:00:30,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:30,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-19 06:00:30,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:30,636 INFO L124 PetriNetUnfolderBase]: 310/2227 cut-off events. [2024-11-19 06:00:30,637 INFO L125 PetriNetUnfolderBase]: For 335/504 co-relation queries the response was YES. [2024-11-19 06:00:30,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 2227 events. 310/2227 cut-off events. For 335/504 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 16454 event pairs, 75 based on Foata normal form. 20/2123 useless extension candidates. Maximal degree in co-relation 3081. Up to 307 conditions per place. [2024-11-19 06:00:30,665 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 13/297 dead transitions. [2024-11-19 06:00:30,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 297 transitions, 866 flow [2024-11-19 06:00:30,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-19 06:00:30,670 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-19 06:00:30,670 INFO L175 Difference]: Start difference. First operand has 312 places, 290 transitions, 788 flow. Second operand 6 states and 1883 transitions. [2024-11-19 06:00:30,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 297 transitions, 866 flow [2024-11-19 06:00:30,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 297 transitions, 854 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-11-19 06:00:30,677 INFO L231 Difference]: Finished difference. Result has 311 places, 276 transitions, 694 flow [2024-11-19 06:00:30,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=694, PETRI_PLACES=311, PETRI_TRANSITIONS=276} [2024-11-19 06:00:30,679 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, 0 predicate places. [2024-11-19 06:00:30,679 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 276 transitions, 694 flow [2024-11-19 06:00:30,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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) [2024-11-19 06:00:30,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:30,681 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:30,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 06:00:30,681 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:30,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:30,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1277161248, now seen corresponding path program 2 times [2024-11-19 06:00:30,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:30,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024394421] [2024-11-19 06:00:30,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 06:00:30,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:30,702 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 06:00:30,702 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 06:00:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 06:00:30,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:30,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024394421] [2024-11-19 06:00:30,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024394421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:30,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:30,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:30,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761721222] [2024-11-19 06:00:30,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:30,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:30,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:30,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:30,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:31,251 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-19 06:00:31,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 276 transitions, 694 flow. Second operand has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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) [2024-11-19 06:00:31,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:31,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-19 06:00:31,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:31,442 INFO L124 PetriNetUnfolderBase]: 96/1255 cut-off events. [2024-11-19 06:00:31,442 INFO L125 PetriNetUnfolderBase]: For 40/64 co-relation queries the response was YES. [2024-11-19 06:00:31,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 1255 events. 96/1255 cut-off events. For 40/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7426 event pairs, 21 based on Foata normal form. 8/1214 useless extension candidates. Maximal degree in co-relation 1656. Up to 88 conditions per place. [2024-11-19 06:00:31,465 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 0/284 dead transitions. [2024-11-19 06:00:31,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 284 transitions, 774 flow [2024-11-19 06:00:31,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-19 06:00:31,468 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-19 06:00:31,468 INFO L175 Difference]: Start difference. First operand has 311 places, 276 transitions, 694 flow. Second operand 6 states and 1883 transitions. [2024-11-19 06:00:31,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 284 transitions, 774 flow [2024-11-19 06:00:31,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 284 transitions, 722 flow, removed 4 selfloop flow, removed 18 redundant places. [2024-11-19 06:00:31,475 INFO L231 Difference]: Finished difference. Result has 290 places, 276 transitions, 656 flow [2024-11-19 06:00:31,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=656, PETRI_PLACES=290, PETRI_TRANSITIONS=276} [2024-11-19 06:00:31,475 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-19 06:00:31,476 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 276 transitions, 656 flow [2024-11-19 06:00:31,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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) [2024-11-19 06:00:31,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:31,477 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:31,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 06:00:31,477 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-19 06:00:31,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:31,478 INFO L85 PathProgramCache]: Analyzing trace with hash -296542840, now seen corresponding path program 1 times [2024-11-19 06:00:31,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:31,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751286904] [2024-11-19 06:00:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:31,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:31,975 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 06:00:31,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:31,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751286904] [2024-11-19 06:00:31,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751286904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:31,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:31,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:31,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300638311] [2024-11-19 06:00:31,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:31,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:31,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:31,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:31,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:32,274 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-19 06:00:32,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 276 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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) [2024-11-19 06:00:32,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:32,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-19 06:00:32,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:32,445 INFO L124 PetriNetUnfolderBase]: 96/1249 cut-off events. [2024-11-19 06:00:32,445 INFO L125 PetriNetUnfolderBase]: For 33/57 co-relation queries the response was YES. [2024-11-19 06:00:32,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 1249 events. 96/1249 cut-off events. For 33/57 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7346 event pairs, 21 based on Foata normal form. 8/1202 useless extension candidates. Maximal degree in co-relation 1603. Up to 88 conditions per place. [2024-11-19 06:00:32,456 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 0 selfloop transitions, 0 changer transitions 283/283 dead transitions. [2024-11-19 06:00:32,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 283 transitions, 734 flow [2024-11-19 06:00:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:32,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-19 06:00:32,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-19 06:00:32,459 INFO L175 Difference]: Start difference. First operand has 290 places, 276 transitions, 656 flow. Second operand 6 states and 1883 transitions. [2024-11-19 06:00:32,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 283 transitions, 734 flow [2024-11-19 06:00:32,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 283 transitions, 726 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 06:00:32,467 INFO L231 Difference]: Finished difference. Result has 290 places, 0 transitions, 0 flow [2024-11-19 06:00:32,467 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=290, PETRI_TRANSITIONS=0} [2024-11-19 06:00:32,467 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-19 06:00:32,468 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 0 transitions, 0 flow [2024-11-19 06:00:32,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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) [2024-11-19 06:00:32,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 61 remaining) [2024-11-19 06:00:32,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-11-19 06:00:32,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-11-19 06:00:32,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-11-19 06:00:32,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-11-19 06:00:32,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-11-19 06:00:32,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-11-19 06:00:32,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-11-19 06:00:32,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-11-19 06:00:32,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-11-19 06:00:32,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-11-19 06:00:32,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-11-19 06:00:32,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-11-19 06:00:32,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-11-19 06:00:32,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-11-19 06:00:32,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-11-19 06:00:32,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-11-19 06:00:32,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-11-19 06:00:32,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-11-19 06:00:32,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-11-19 06:00:32,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-11-19 06:00:32,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-11-19 06:00:32,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-11-19 06:00:32,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-11-19 06:00:32,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-11-19 06:00:32,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-11-19 06:00:32,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-11-19 06:00:32,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-11-19 06:00:32,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-11-19 06:00:32,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-11-19 06:00:32,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-11-19 06:00:32,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-11-19 06:00:32,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-11-19 06:00:32,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-11-19 06:00:32,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-11-19 06:00:32,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2024-11-19 06:00:32,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 61 remaining) [2024-11-19 06:00:32,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 61 remaining) [2024-11-19 06:00:32,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 61 remaining) [2024-11-19 06:00:32,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-11-19 06:00:32,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-11-19 06:00:32,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-11-19 06:00:32,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-11-19 06:00:32,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-11-19 06:00:32,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-11-19 06:00:32,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-11-19 06:00:32,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-11-19 06:00:32,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-11-19 06:00:32,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-11-19 06:00:32,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-11-19 06:00:32,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-11-19 06:00:32,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-11-19 06:00:32,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-11-19 06:00:32,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-11-19 06:00:32,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-11-19 06:00:32,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-11-19 06:00:32,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-11-19 06:00:32,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-11-19 06:00:32,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-11-19 06:00:32,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-11-19 06:00:32,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-11-19 06:00:32,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 06:00:32,486 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:32,493 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 06:00:32,493 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 06:00:32,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:00:32 BasicIcfg [2024-11-19 06:00:32,500 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 06:00:32,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 06:00:32,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 06:00:32,501 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 06:00:32,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:00:15" (3/4) ... [2024-11-19 06:00:32,503 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 06:00:32,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-19 06:00:32,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-19 06:00:32,507 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-19 06:00:32,514 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-19 06:00:32,514 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 06:00:32,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 06:00:32,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 06:00:32,621 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 06:00:32,622 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 06:00:32,622 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 06:00:32,622 INFO L158 Benchmark]: Toolchain (without parser) took 18311.35ms. Allocated memory was 165.7MB in the beginning and 891.3MB in the end (delta: 725.6MB). Free memory was 110.5MB in the beginning and 499.6MB in the end (delta: -389.1MB). Peak memory consumption was 337.0MB. Max. memory is 16.1GB. [2024-11-19 06:00:32,623 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory was 127.0MB in the beginning and 126.8MB in the end (delta: 178.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:00:32,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.57ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 95.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 06:00:32,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.46ms. Allocated memory is still 165.7MB. Free memory was 95.8MB in the beginning and 93.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:00:32,624 INFO L158 Benchmark]: Boogie Preprocessor took 61.59ms. Allocated memory is still 165.7MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:00:32,624 INFO L158 Benchmark]: RCFGBuilder took 816.39ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 91.6MB in the beginning and 172.3MB in the end (delta: -80.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-19 06:00:32,624 INFO L158 Benchmark]: TraceAbstraction took 16860.74ms. Allocated memory was 205.5MB in the beginning and 891.3MB in the end (delta: 685.8MB). Free memory was 172.3MB in the beginning and 505.9MB in the end (delta: -333.6MB). Peak memory consumption was 351.1MB. Max. memory is 16.1GB. [2024-11-19 06:00:32,625 INFO L158 Benchmark]: Witness Printer took 121.54ms. Allocated memory is still 891.3MB. Free memory was 505.9MB in the beginning and 499.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 06:00:32,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory was 127.0MB in the beginning and 126.8MB in the end (delta: 178.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.57ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 95.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.46ms. Allocated memory is still 165.7MB. Free memory was 95.8MB in the beginning and 93.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.59ms. Allocated memory is still 165.7MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.39ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 91.6MB in the beginning and 172.3MB in the end (delta: -80.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16860.74ms. Allocated memory was 205.5MB in the beginning and 891.3MB in the end (delta: 685.8MB). Free memory was 172.3MB in the beginning and 505.9MB in the end (delta: -333.6MB). Peak memory consumption was 351.1MB. Max. memory is 16.1GB. * Witness Printer took 121.54ms. Allocated memory is still 891.3MB. Free memory was 505.9MB in the beginning and 499.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 473 locations, 61 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.7s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2585 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1575 mSDsluCounter, 1421 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1211 mSDsCounter, 587 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4285 IncrementalHoareTripleChecker+Invalid, 4872 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 587 mSolverCounterUnsat, 210 mSDtfsCounter, 4285 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 280 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=797occurred in iteration=21, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2631 NumberOfCodeBlocks, 2601 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2733 ConstructedInterpolants, 0 QuantifiedInterpolants, 4644 SizeOfPredicates, 7 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 27 InterpolantComputations, 24 PerfectInterpolantSequences, 34/37 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 06:00:32,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE