./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/chl-chromosome-opt-symm.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 b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:42:18,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:42:18,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:42:18,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:42:18,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:42:18,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:42:18,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:42:18,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:42:18,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:42:18,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:42:18,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:42:18,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:42:18,638 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:42:18,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:42:18,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:42:18,638 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:42:18,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:42:18,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:42:18,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:42:18,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:42:18,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:42:18,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:42:18,640 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:42:18,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:42:18,640 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:42:18,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:42:18,641 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:42:18,641 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:42:18,641 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:42:18,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:42:18,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:42:18,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:42:18,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:42:18,642 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a [2025-03-14 01:42:18,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:42:18,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:42:18,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:42:18,898 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:42:18,898 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:42:18,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2025-03-14 01:42:20,028 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb54818a1/b781902721b34128b0b15d8278d15815/FLAGba4492fa4 [2025-03-14 01:42:20,287 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:42:20,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2025-03-14 01:42:20,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb54818a1/b781902721b34128b0b15d8278d15815/FLAGba4492fa4 [2025-03-14 01:42:20,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb54818a1/b781902721b34128b0b15d8278d15815 [2025-03-14 01:42:20,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:42:20,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:42:20,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:42:20,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:42:20,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:42:20,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ed2682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20, skipping insertion in model container [2025-03-14 01:42:20,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:42:20,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:42:20,792 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:42:20,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:42:20,844 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:42:20,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20 WrapperNode [2025-03-14 01:42:20,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:42:20,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:42:20,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:42:20,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:42:20,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,893 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 269 [2025-03-14 01:42:20,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:42:20,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:42:20,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:42:20,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:42:20,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:42:20,945 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:42:20,946 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:42:20,946 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:42:20,946 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (1/1) ... [2025-03-14 01:42:20,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:42:20,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:42:20,975 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) [2025-03-14 01:42:20,980 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 [2025-03-14 01:42:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:42:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:42:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:42:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:42:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:42:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:42:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-14 01:42:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-14 01:42:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:42:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:42:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-14 01:42:21,000 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:42:21,078 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:42:21,080 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:42:21,531 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:42:21,532 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:42:21,532 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:42:21,552 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:42:21,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:42:21 BoogieIcfgContainer [2025-03-14 01:42:21,554 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:42:21,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:42:21,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:42:21,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:42:21,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:42:20" (1/3) ... [2025-03-14 01:42:21,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcb1c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:42:21, skipping insertion in model container [2025-03-14 01:42:21,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:42:20" (2/3) ... [2025-03-14 01:42:21,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcb1c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:42:21, skipping insertion in model container [2025-03-14 01:42:21,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:42:21" (3/3) ... [2025-03-14 01:42:21,562 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2025-03-14 01:42:21,574 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:42:21,576 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-opt-symm.wvr.c that has 3 procedures, 328 locations, 1 initial locations, 4 loop locations, and 30 error locations. [2025-03-14 01:42:21,576 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:42:21,681 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-14 01:42:21,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 344 transitions, 702 flow [2025-03-14 01:42:21,817 INFO L124 PetriNetUnfolderBase]: 17/342 cut-off events. [2025-03-14 01:42:21,820 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-14 01:42:21,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 342 events. 17/342 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 683 event pairs, 0 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 234. Up to 3 conditions per place. [2025-03-14 01:42:21,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 344 transitions, 702 flow [2025-03-14 01:42:21,836 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 316 places, 325 transitions, 662 flow [2025-03-14 01:42:21,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:42:21,852 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;@77422545, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:42:21,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-03-14 01:42:21,862 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:42:21,862 INFO L124 PetriNetUnfolderBase]: 2/59 cut-off events. [2025-03-14 01:42:21,862 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:42:21,862 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:21,863 INFO L206 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] [2025-03-14 01:42:21,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:21,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1862329975, now seen corresponding path program 1 times [2025-03-14 01:42:21,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:21,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220147900] [2025-03-14 01:42:21,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:21,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:21,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-14 01:42:21,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-14 01:42:21,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:21,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:22,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:22,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220147900] [2025-03-14 01:42:22,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220147900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:22,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:22,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:42:22,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337939739] [2025-03-14 01:42:22,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:22,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:42:22,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:22,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:42:22,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:42:23,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 344 [2025-03-14 01:42:23,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 325 transitions, 662 flow. Second operand has 6 states, 6 states have (on average 271.5) internal successors, (1629), 6 states have internal predecessors, (1629), 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) [2025-03-14 01:42:23,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:23,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 344 [2025-03-14 01:42:23,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:23,427 INFO L124 PetriNetUnfolderBase]: 424/2283 cut-off events. [2025-03-14 01:42:23,427 INFO L125 PetriNetUnfolderBase]: For 157/158 co-relation queries the response was YES. [2025-03-14 01:42:23,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3088 conditions, 2283 events. 424/2283 cut-off events. For 157/158 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 16201 event pairs, 288 based on Foata normal form. 98/1985 useless extension candidates. Maximal degree in co-relation 2685. Up to 709 conditions per place. [2025-03-14 01:42:23,441 INFO L140 encePairwiseOnDemand]: 324/344 looper letters, 52 selfloop transitions, 10 changer transitions 4/315 dead transitions. [2025-03-14 01:42:23,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 315 transitions, 766 flow [2025-03-14 01:42:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:42:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:42:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1692 transitions. [2025-03-14 01:42:23,462 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8197674418604651 [2025-03-14 01:42:23,464 INFO L175 Difference]: Start difference. First operand has 316 places, 325 transitions, 662 flow. Second operand 6 states and 1692 transitions. [2025-03-14 01:42:23,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 315 transitions, 766 flow [2025-03-14 01:42:23,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 315 transitions, 758 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-14 01:42:23,474 INFO L231 Difference]: Finished difference. Result has 315 places, 311 transitions, 646 flow [2025-03-14 01:42:23,476 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=646, PETRI_PLACES=315, PETRI_TRANSITIONS=311} [2025-03-14 01:42:23,480 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -1 predicate places. [2025-03-14 01:42:23,480 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 311 transitions, 646 flow [2025-03-14 01:42:23,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.5) internal successors, (1629), 6 states have internal predecessors, (1629), 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) [2025-03-14 01:42:23,481 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:23,481 INFO L206 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] [2025-03-14 01:42:23,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:42:23,482 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:23,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:23,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1374464241, now seen corresponding path program 1 times [2025-03-14 01:42:23,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:23,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180650568] [2025-03-14 01:42:23,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:23,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:23,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-14 01:42:23,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-14 01:42:23,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:23,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:23,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:23,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:23,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180650568] [2025-03-14 01:42:23,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180650568] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:23,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:23,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:23,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198588428] [2025-03-14 01:42:23,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:23,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:23,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:23,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:23,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:23,558 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 344 [2025-03-14 01:42:23,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 311 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2025-03-14 01:42:23,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:23,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 344 [2025-03-14 01:42:23,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:23,610 INFO L124 PetriNetUnfolderBase]: 22/488 cut-off events. [2025-03-14 01:42:23,610 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-14 01:42:23,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 488 events. 22/488 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1550 event pairs, 8 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 501. Up to 28 conditions per place. [2025-03-14 01:42:23,614 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 11 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2025-03-14 01:42:23,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 670 flow [2025-03-14 01:42:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2025-03-14 01:42:23,617 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9408914728682171 [2025-03-14 01:42:23,617 INFO L175 Difference]: Start difference. First operand has 315 places, 311 transitions, 646 flow. Second operand 3 states and 971 transitions. [2025-03-14 01:42:23,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 670 flow [2025-03-14 01:42:23,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 310 transitions, 650 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:42:23,623 INFO L231 Difference]: Finished difference. Result has 307 places, 310 transitions, 628 flow [2025-03-14 01:42:23,623 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=307, PETRI_TRANSITIONS=310} [2025-03-14 01:42:23,624 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -9 predicate places. [2025-03-14 01:42:23,624 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 310 transitions, 628 flow [2025-03-14 01:42:23,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2025-03-14 01:42:23,625 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:23,625 INFO L206 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] [2025-03-14 01:42:23,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:42:23,625 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:23,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:23,626 INFO L85 PathProgramCache]: Analyzing trace with hash -972732439, now seen corresponding path program 1 times [2025-03-14 01:42:23,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:23,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537024395] [2025-03-14 01:42:23,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:23,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:23,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-14 01:42:23,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-14 01:42:23,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:23,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:23,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:23,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:23,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537024395] [2025-03-14 01:42:23,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537024395] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:23,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:23,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:23,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194423756] [2025-03-14 01:42:23,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:23,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:23,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:23,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:23,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:23,693 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 344 [2025-03-14 01:42:23,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2025-03-14 01:42:23,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:23,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 344 [2025-03-14 01:42:23,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:23,743 INFO L124 PetriNetUnfolderBase]: 22/487 cut-off events. [2025-03-14 01:42:23,744 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-14 01:42:23,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 487 events. 22/487 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1450 event pairs, 8 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 456. Up to 28 conditions per place. [2025-03-14 01:42:23,747 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 11 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2025-03-14 01:42:23,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 309 transitions, 652 flow [2025-03-14 01:42:23,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2025-03-14 01:42:23,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9408914728682171 [2025-03-14 01:42:23,773 INFO L175 Difference]: Start difference. First operand has 307 places, 310 transitions, 628 flow. Second operand 3 states and 971 transitions. [2025-03-14 01:42:23,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 309 transitions, 652 flow [2025-03-14 01:42:23,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 309 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:42:23,777 INFO L231 Difference]: Finished difference. Result has 306 places, 309 transitions, 626 flow [2025-03-14 01:42:23,778 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=309} [2025-03-14 01:42:23,779 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -10 predicate places. [2025-03-14 01:42:23,779 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 309 transitions, 626 flow [2025-03-14 01:42:23,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2025-03-14 01:42:23,779 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:23,779 INFO L206 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] [2025-03-14 01:42:23,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:42:23,780 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:23,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:23,781 INFO L85 PathProgramCache]: Analyzing trace with hash 357247666, now seen corresponding path program 1 times [2025-03-14 01:42:23,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:23,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194265319] [2025-03-14 01:42:23,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:23,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:23,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-14 01:42:23,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-14 01:42:23,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:23,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:23,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:23,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194265319] [2025-03-14 01:42:23,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194265319] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:23,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:23,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:23,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079369381] [2025-03-14 01:42:23,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:23,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:23,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:23,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:23,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:23,842 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 344 [2025-03-14 01:42:23,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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) [2025-03-14 01:42:23,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:23,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 344 [2025-03-14 01:42:23,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:23,887 INFO L124 PetriNetUnfolderBase]: 17/468 cut-off events. [2025-03-14 01:42:23,887 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-14 01:42:23,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 468 events. 17/468 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1444 event pairs, 3 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 377. Up to 16 conditions per place. [2025-03-14 01:42:23,891 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 9 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2025-03-14 01:42:23,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 308 transitions, 646 flow [2025-03-14 01:42:23,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:23,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2025-03-14 01:42:23,893 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9447674418604651 [2025-03-14 01:42:23,893 INFO L175 Difference]: Start difference. First operand has 306 places, 309 transitions, 626 flow. Second operand 3 states and 975 transitions. [2025-03-14 01:42:23,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 308 transitions, 646 flow [2025-03-14 01:42:23,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 308 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:42:23,897 INFO L231 Difference]: Finished difference. Result has 305 places, 308 transitions, 624 flow [2025-03-14 01:42:23,898 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=303, 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=624, PETRI_PLACES=305, PETRI_TRANSITIONS=308} [2025-03-14 01:42:23,898 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -11 predicate places. [2025-03-14 01:42:23,898 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 308 transitions, 624 flow [2025-03-14 01:42:23,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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) [2025-03-14 01:42:23,899 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:23,899 INFO L206 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] [2025-03-14 01:42:23,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:42:23,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:23,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:23,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1707045123, now seen corresponding path program 1 times [2025-03-14 01:42:23,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:23,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009599622] [2025-03-14 01:42:23,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:23,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:23,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-14 01:42:23,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-14 01:42:23,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:23,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:23,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:23,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009599622] [2025-03-14 01:42:23,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009599622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:23,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:23,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:23,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546492763] [2025-03-14 01:42:23,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:23,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:23,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:23,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:23,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:23,964 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 344 [2025-03-14 01:42:23,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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) [2025-03-14 01:42:23,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:23,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 344 [2025-03-14 01:42:23,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:23,997 INFO L124 PetriNetUnfolderBase]: 14/395 cut-off events. [2025-03-14 01:42:23,997 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-14 01:42:23,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 395 events. 14/395 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 970 event pairs, 3 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 296. Up to 16 conditions per place. [2025-03-14 01:42:24,000 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 9 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2025-03-14 01:42:24,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 307 transitions, 644 flow [2025-03-14 01:42:24,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2025-03-14 01:42:24,002 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9447674418604651 [2025-03-14 01:42:24,002 INFO L175 Difference]: Start difference. First operand has 305 places, 308 transitions, 624 flow. Second operand 3 states and 975 transitions. [2025-03-14 01:42:24,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 307 transitions, 644 flow [2025-03-14 01:42:24,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 307 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:42:24,005 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 622 flow [2025-03-14 01:42:24,006 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=304, PETRI_TRANSITIONS=307} [2025-03-14 01:42:24,006 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places. [2025-03-14 01:42:24,006 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 622 flow [2025-03-14 01:42:24,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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) [2025-03-14 01:42:24,007 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:24,007 INFO L206 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] [2025-03-14 01:42:24,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:42:24,007 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:24,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:24,008 INFO L85 PathProgramCache]: Analyzing trace with hash 501837218, now seen corresponding path program 1 times [2025-03-14 01:42:24,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:24,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713855756] [2025-03-14 01:42:24,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:24,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:24,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-14 01:42:24,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-14 01:42:24,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:24,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:24,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:24,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713855756] [2025-03-14 01:42:24,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713855756] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:24,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:24,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:24,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231688602] [2025-03-14 01:42:24,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:24,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:24,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:24,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:24,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:24,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 344 [2025-03-14 01:42:24,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 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) [2025-03-14 01:42:24,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:24,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 344 [2025-03-14 01:42:24,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:24,138 INFO L124 PetriNetUnfolderBase]: 31/684 cut-off events. [2025-03-14 01:42:24,139 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-14 01:42:24,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 684 events. 31/684 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2985 event pairs, 5 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 589. Up to 25 conditions per place. [2025-03-14 01:42:24,143 INFO L140 encePairwiseOnDemand]: 340/344 looper letters, 10 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2025-03-14 01:42:24,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 308 transitions, 649 flow [2025-03-14 01:42:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:24,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:24,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2025-03-14 01:42:24,146 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9525193798449613 [2025-03-14 01:42:24,146 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 622 flow. Second operand 3 states and 983 transitions. [2025-03-14 01:42:24,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 308 transitions, 649 flow [2025-03-14 01:42:24,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:42:24,153 INFO L231 Difference]: Finished difference. Result has 303 places, 307 transitions, 628 flow [2025-03-14 01:42:24,154 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=303, PETRI_TRANSITIONS=307} [2025-03-14 01:42:24,154 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places. [2025-03-14 01:42:24,154 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 307 transitions, 628 flow [2025-03-14 01:42:24,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 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) [2025-03-14 01:42:24,155 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:24,155 INFO L206 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] [2025-03-14 01:42:24,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:42:24,155 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:24,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:24,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1738497346, now seen corresponding path program 1 times [2025-03-14 01:42:24,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:24,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037235284] [2025-03-14 01:42:24,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:24,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:24,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-14 01:42:24,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-14 01:42:24,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:24,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:24,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:24,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037235284] [2025-03-14 01:42:24,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037235284] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:24,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:24,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:24,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425563265] [2025-03-14 01:42:24,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:24,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:24,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:24,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:24,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:24,210 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 344 [2025-03-14 01:42:24,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 307 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2025-03-14 01:42:24,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:24,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 344 [2025-03-14 01:42:24,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:24,277 INFO L124 PetriNetUnfolderBase]: 32/662 cut-off events. [2025-03-14 01:42:24,277 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-14 01:42:24,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 662 events. 32/662 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3069 event pairs, 3 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 492. Up to 26 conditions per place. [2025-03-14 01:42:24,281 INFO L140 encePairwiseOnDemand]: 340/344 looper letters, 10 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2025-03-14 01:42:24,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 308 transitions, 655 flow [2025-03-14 01:42:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2025-03-14 01:42:24,283 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9525193798449613 [2025-03-14 01:42:24,283 INFO L175 Difference]: Start difference. First operand has 303 places, 307 transitions, 628 flow. Second operand 3 states and 983 transitions. [2025-03-14 01:42:24,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 308 transitions, 655 flow [2025-03-14 01:42:24,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 308 transitions, 655 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:42:24,288 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 638 flow [2025-03-14 01:42:24,288 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=304, PETRI_TRANSITIONS=307} [2025-03-14 01:42:24,289 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places. [2025-03-14 01:42:24,289 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 638 flow [2025-03-14 01:42:24,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2025-03-14 01:42:24,289 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:24,290 INFO L206 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] [2025-03-14 01:42:24,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:42:24,290 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:24,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:24,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1414838691, now seen corresponding path program 1 times [2025-03-14 01:42:24,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:24,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971388880] [2025-03-14 01:42:24,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:24,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:24,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-14 01:42:24,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-14 01:42:24,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:24,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:24,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:24,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971388880] [2025-03-14 01:42:24,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971388880] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:24,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:24,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:24,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240854793] [2025-03-14 01:42:24,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:24,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:24,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:24,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:24,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:24,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 344 [2025-03-14 01:42:24,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 638 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) [2025-03-14 01:42:24,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:24,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 344 [2025-03-14 01:42:24,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:24,443 INFO L124 PetriNetUnfolderBase]: 80/1050 cut-off events. [2025-03-14 01:42:24,443 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2025-03-14 01:42:24,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 1050 events. 80/1050 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5562 event pairs, 12 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 950. Up to 94 conditions per place. [2025-03-14 01:42:24,450 INFO L140 encePairwiseOnDemand]: 338/344 looper letters, 16 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2025-03-14 01:42:24,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 308 transitions, 679 flow [2025-03-14 01:42:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2025-03-14 01:42:24,456 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9428294573643411 [2025-03-14 01:42:24,456 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 638 flow. Second operand 3 states and 973 transitions. [2025-03-14 01:42:24,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 308 transitions, 679 flow [2025-03-14 01:42:24,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 679 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:42:24,464 INFO L231 Difference]: Finished difference. Result has 303 places, 305 transitions, 644 flow [2025-03-14 01:42:24,465 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=303, PETRI_TRANSITIONS=305} [2025-03-14 01:42:24,466 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places. [2025-03-14 01:42:24,466 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 305 transitions, 644 flow [2025-03-14 01:42:24,466 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) [2025-03-14 01:42:24,467 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:24,467 INFO L206 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] [2025-03-14 01:42:24,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:42:24,467 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:24,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:24,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1248365360, now seen corresponding path program 1 times [2025-03-14 01:42:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:24,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830882844] [2025-03-14 01:42:24,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:24,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:24,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-14 01:42:24,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-14 01:42:24,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:24,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:24,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:24,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830882844] [2025-03-14 01:42:24,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830882844] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:24,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:24,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:24,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162318997] [2025-03-14 01:42:24,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:24,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:24,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:24,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:24,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:24,543 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 344 [2025-03-14 01:42:24,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 305 transitions, 644 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) [2025-03-14 01:42:24,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:24,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 344 [2025-03-14 01:42:24,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:24,622 INFO L124 PetriNetUnfolderBase]: 87/1086 cut-off events. [2025-03-14 01:42:24,622 INFO L125 PetriNetUnfolderBase]: For 17/22 co-relation queries the response was YES. [2025-03-14 01:42:24,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 1086 events. 87/1086 cut-off events. For 17/22 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6019 event pairs, 13 based on Foata normal form. 0/961 useless extension candidates. Maximal degree in co-relation 1016. Up to 100 conditions per place. [2025-03-14 01:42:24,628 INFO L140 encePairwiseOnDemand]: 338/344 looper letters, 16 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2025-03-14 01:42:24,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 306 transitions, 685 flow [2025-03-14 01:42:24,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2025-03-14 01:42:24,630 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9428294573643411 [2025-03-14 01:42:24,630 INFO L175 Difference]: Start difference. First operand has 303 places, 305 transitions, 644 flow. Second operand 3 states and 973 transitions. [2025-03-14 01:42:24,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 306 transitions, 685 flow [2025-03-14 01:42:24,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 306 transitions, 685 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:42:24,633 INFO L231 Difference]: Finished difference. Result has 302 places, 303 transitions, 650 flow [2025-03-14 01:42:24,634 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=302, PETRI_TRANSITIONS=303} [2025-03-14 01:42:24,634 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -14 predicate places. [2025-03-14 01:42:24,634 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 303 transitions, 650 flow [2025-03-14 01:42:24,635 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) [2025-03-14 01:42:24,635 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:24,635 INFO L206 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] [2025-03-14 01:42:24,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-14 01:42:24,635 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:24,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:24,635 INFO L85 PathProgramCache]: Analyzing trace with hash -572168096, now seen corresponding path program 1 times [2025-03-14 01:42:24,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:24,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648633864] [2025-03-14 01:42:24,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:24,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:24,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-14 01:42:24,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-14 01:42:24,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:24,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:42:24,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:24,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648633864] [2025-03-14 01:42:24,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648633864] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:24,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:24,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:42:24,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597254158] [2025-03-14 01:42:24,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:24,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 01:42:24,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:24,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 01:42:24,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-14 01:42:24,807 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 344 [2025-03-14 01:42:24,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 303 transitions, 650 flow. Second operand has 5 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 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) [2025-03-14 01:42:24,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:24,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 344 [2025-03-14 01:42:24,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:24,889 INFO L124 PetriNetUnfolderBase]: 31/653 cut-off events. [2025-03-14 01:42:24,889 INFO L125 PetriNetUnfolderBase]: For 6/9 co-relation queries the response was YES. [2025-03-14 01:42:24,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 653 events. 31/653 cut-off events. For 6/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2625 event pairs, 0 based on Foata normal form. 2/594 useless extension candidates. Maximal degree in co-relation 524. Up to 14 conditions per place. [2025-03-14 01:42:24,892 INFO L140 encePairwiseOnDemand]: 330/344 looper letters, 12 selfloop transitions, 12 changer transitions 0/305 dead transitions. [2025-03-14 01:42:24,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 702 flow [2025-03-14 01:42:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 01:42:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 01:42:24,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1586 transitions. [2025-03-14 01:42:24,896 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.922093023255814 [2025-03-14 01:42:24,896 INFO L175 Difference]: Start difference. First operand has 302 places, 303 transitions, 650 flow. Second operand 5 states and 1586 transitions. [2025-03-14 01:42:24,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 702 flow [2025-03-14 01:42:24,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 305 transitions, 702 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:42:24,900 INFO L231 Difference]: Finished difference. Result has 307 places, 305 transitions, 690 flow [2025-03-14 01:42:24,900 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=690, PETRI_PLACES=307, PETRI_TRANSITIONS=305} [2025-03-14 01:42:24,901 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -9 predicate places. [2025-03-14 01:42:24,901 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 305 transitions, 690 flow [2025-03-14 01:42:24,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 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) [2025-03-14 01:42:24,902 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:24,902 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:24,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-14 01:42:24,903 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:24,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:24,903 INFO L85 PathProgramCache]: Analyzing trace with hash -615326646, now seen corresponding path program 1 times [2025-03-14 01:42:24,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:24,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045377823] [2025-03-14 01:42:24,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:24,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:24,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-14 01:42:24,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-14 01:42:24,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:24,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:25,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-14 01:42:25,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:25,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045377823] [2025-03-14 01:42:25,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045377823] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-14 01:42:25,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018948287] [2025-03-14 01:42:25,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:25,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:42:25,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:42:25,067 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) [2025-03-14 01:42:25,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-14 01:42:25,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-14 01:42:25,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-14 01:42:25,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:25,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:25,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-14 01:42:25,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-14 01:42:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-14 01:42:25,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-14 01:42:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-14 01:42:25,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018948287] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-14 01:42:25,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-14 01:42:25,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2025-03-14 01:42:25,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91371718] [2025-03-14 01:42:25,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-14 01:42:25,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-14 01:42:25,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:25,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-14 01:42:25,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2025-03-14 01:42:25,766 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 344 [2025-03-14 01:42:25,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 305 transitions, 690 flow. Second operand has 15 states, 15 states have (on average 308.6666666666667) internal successors, (4630), 15 states have internal predecessors, (4630), 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) [2025-03-14 01:42:25,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:25,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 344 [2025-03-14 01:42:25,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:25,994 INFO L124 PetriNetUnfolderBase]: 31/687 cut-off events. [2025-03-14 01:42:25,994 INFO L125 PetriNetUnfolderBase]: For 16/19 co-relation queries the response was YES. [2025-03-14 01:42:25,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 687 events. 31/687 cut-off events. For 16/19 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2575 event pairs, 0 based on Foata normal form. 4/630 useless extension candidates. Maximal degree in co-relation 598. Up to 14 conditions per place. [2025-03-14 01:42:25,997 INFO L140 encePairwiseOnDemand]: 324/344 looper letters, 20 selfloop transitions, 26 changer transitions 0/321 dead transitions. [2025-03-14 01:42:25,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 321 transitions, 818 flow [2025-03-14 01:42:25,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-14 01:42:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-14 01:42:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3416 transitions. [2025-03-14 01:42:26,004 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9027484143763214 [2025-03-14 01:42:26,004 INFO L175 Difference]: Start difference. First operand has 307 places, 305 transitions, 690 flow. Second operand 11 states and 3416 transitions. [2025-03-14 01:42:26,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 321 transitions, 818 flow [2025-03-14 01:42:26,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 321 transitions, 798 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-14 01:42:26,010 INFO L231 Difference]: Finished difference. Result has 317 places, 317 transitions, 790 flow [2025-03-14 01:42:26,010 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=790, PETRI_PLACES=317, PETRI_TRANSITIONS=317} [2025-03-14 01:42:26,011 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2025-03-14 01:42:26,011 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 317 transitions, 790 flow [2025-03-14 01:42:26,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 308.6666666666667) internal successors, (4630), 15 states have internal predecessors, (4630), 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) [2025-03-14 01:42:26,013 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:26,013 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:26,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-14 01:42:26,218 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,SelfDestructingSolverStorable10 [2025-03-14 01:42:26,218 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:26,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:26,219 INFO L85 PathProgramCache]: Analyzing trace with hash -770481014, now seen corresponding path program 2 times [2025-03-14 01:42:26,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:26,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372735522] [2025-03-14 01:42:26,219 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 01:42:26,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:26,237 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 212 statements into 2 equivalence classes. [2025-03-14 01:42:26,243 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 122 of 212 statements. [2025-03-14 01:42:26,243 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 01:42:26,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-03-14 01:42:26,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:26,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372735522] [2025-03-14 01:42:26,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372735522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:26,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:26,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:42:26,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35685399] [2025-03-14 01:42:26,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:26,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:42:26,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:26,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:42:26,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:42:26,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 344 [2025-03-14 01:42:26,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 317 transitions, 790 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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) [2025-03-14 01:42:26,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:26,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 344 [2025-03-14 01:42:26,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:26,996 INFO L124 PetriNetUnfolderBase]: 48/801 cut-off events. [2025-03-14 01:42:26,996 INFO L125 PetriNetUnfolderBase]: For 21/22 co-relation queries the response was YES. [2025-03-14 01:42:26,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 801 events. 48/801 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3578 event pairs, 2 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 821. Up to 48 conditions per place. [2025-03-14 01:42:27,001 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 27 selfloop transitions, 5 changer transitions 0/321 dead transitions. [2025-03-14 01:42:27,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 321 transitions, 868 flow [2025-03-14 01:42:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:42:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:42:27,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1870 transitions. [2025-03-14 01:42:27,005 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9060077519379846 [2025-03-14 01:42:27,005 INFO L175 Difference]: Start difference. First operand has 317 places, 317 transitions, 790 flow. Second operand 6 states and 1870 transitions. [2025-03-14 01:42:27,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 321 transitions, 868 flow [2025-03-14 01:42:27,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 844 flow, removed 4 selfloop flow, removed 3 redundant places. [2025-03-14 01:42:27,011 INFO L231 Difference]: Finished difference. Result has 317 places, 315 transitions, 772 flow [2025-03-14 01:42:27,012 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=772, PETRI_PLACES=317, PETRI_TRANSITIONS=315} [2025-03-14 01:42:27,012 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2025-03-14 01:42:27,013 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 315 transitions, 772 flow [2025-03-14 01:42:27,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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) [2025-03-14 01:42:27,013 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:27,014 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:27,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-14 01:42:27,014 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:27,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:27,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1119613251, now seen corresponding path program 1 times [2025-03-14 01:42:27,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:27,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885896260] [2025-03-14 01:42:27,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:27,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:27,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 218 statements into 1 equivalence classes. [2025-03-14 01:42:27,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 218 of 218 statements. [2025-03-14 01:42:27,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:27,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-14 01:42:27,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:27,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885896260] [2025-03-14 01:42:27,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885896260] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-14 01:42:27,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077578569] [2025-03-14 01:42:27,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:27,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:42:27,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:42:27,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-14 01:42:27,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-14 01:42:27,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 218 statements into 1 equivalence classes. [2025-03-14 01:42:27,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 218 of 218 statements. [2025-03-14 01:42:27,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:27,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:27,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-14 01:42:27,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-14 01:42:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-14 01:42:27,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-14 01:42:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-14 01:42:27,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077578569] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-14 01:42:27,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-14 01:42:27,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2025-03-14 01:42:27,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063232492] [2025-03-14 01:42:27,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-14 01:42:27,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-14 01:42:27,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:27,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-14 01:42:27,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2025-03-14 01:42:28,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 344 [2025-03-14 01:42:28,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 315 transitions, 772 flow. Second operand has 22 states, 22 states have (on average 308.59090909090907) internal successors, (6789), 22 states have internal predecessors, (6789), 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) [2025-03-14 01:42:28,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:28,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 344 [2025-03-14 01:42:28,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:28,426 INFO L124 PetriNetUnfolderBase]: 29/755 cut-off events. [2025-03-14 01:42:28,426 INFO L125 PetriNetUnfolderBase]: For 45/49 co-relation queries the response was YES. [2025-03-14 01:42:28,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 755 events. 29/755 cut-off events. For 45/49 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2686 event pairs, 0 based on Foata normal form. 4/705 useless extension candidates. Maximal degree in co-relation 706. Up to 19 conditions per place. [2025-03-14 01:42:28,429 INFO L140 encePairwiseOnDemand]: 324/344 looper letters, 24 selfloop transitions, 38 changer transitions 0/335 dead transitions. [2025-03-14 01:42:28,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 335 transitions, 992 flow [2025-03-14 01:42:28,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-14 01:42:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-14 01:42:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5268 transitions. [2025-03-14 01:42:28,439 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9008207934336525 [2025-03-14 01:42:28,439 INFO L175 Difference]: Start difference. First operand has 317 places, 315 transitions, 772 flow. Second operand 17 states and 5268 transitions. [2025-03-14 01:42:28,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 335 transitions, 992 flow [2025-03-14 01:42:28,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 335 transitions, 982 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:42:28,444 INFO L231 Difference]: Finished difference. Result has 331 places, 329 transitions, 946 flow [2025-03-14 01:42:28,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=946, PETRI_PLACES=331, PETRI_TRANSITIONS=329} [2025-03-14 01:42:28,445 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 15 predicate places. [2025-03-14 01:42:28,445 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 329 transitions, 946 flow [2025-03-14 01:42:28,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 308.59090909090907) internal successors, (6789), 22 states have internal predecessors, (6789), 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) [2025-03-14 01:42:28,447 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:28,447 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:28,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-14 01:42:28,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-14 01:42:28,651 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:28,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:28,652 INFO L85 PathProgramCache]: Analyzing trace with hash 2038249213, now seen corresponding path program 2 times [2025-03-14 01:42:28,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:28,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800688606] [2025-03-14 01:42:28,652 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 01:42:28,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:28,681 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 278 statements into 2 equivalence classes. [2025-03-14 01:42:28,687 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 128 of 278 statements. [2025-03-14 01:42:28,687 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 01:42:28,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2025-03-14 01:42:28,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:28,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800688606] [2025-03-14 01:42:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800688606] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:28,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:28,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:42:28,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146187911] [2025-03-14 01:42:28,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:28,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:42:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:28,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:42:28,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:42:29,308 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 344 [2025-03-14 01:42:29,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 329 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 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) [2025-03-14 01:42:29,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:29,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 344 [2025-03-14 01:42:29,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:29,444 INFO L124 PetriNetUnfolderBase]: 61/838 cut-off events. [2025-03-14 01:42:29,444 INFO L125 PetriNetUnfolderBase]: For 87/89 co-relation queries the response was YES. [2025-03-14 01:42:29,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 838 events. 61/838 cut-off events. For 87/89 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3597 event pairs, 3 based on Foata normal form. 0/777 useless extension candidates. Maximal degree in co-relation 781. Up to 64 conditions per place. [2025-03-14 01:42:29,448 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 26 selfloop transitions, 5 changer transitions 0/332 dead transitions. [2025-03-14 01:42:29,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 332 transitions, 1019 flow [2025-03-14 01:42:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:42:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:42:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions. [2025-03-14 01:42:29,451 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9055232558139535 [2025-03-14 01:42:29,452 INFO L175 Difference]: Start difference. First operand has 331 places, 329 transitions, 946 flow. Second operand 6 states and 1869 transitions. [2025-03-14 01:42:29,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 332 transitions, 1019 flow [2025-03-14 01:42:29,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 332 transitions, 967 flow, removed 8 selfloop flow, removed 8 redundant places. [2025-03-14 01:42:29,456 INFO L231 Difference]: Finished difference. Result has 326 places, 327 transitions, 900 flow [2025-03-14 01:42:29,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=326, PETRI_TRANSITIONS=327} [2025-03-14 01:42:29,457 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 10 predicate places. [2025-03-14 01:42:29,457 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 327 transitions, 900 flow [2025-03-14 01:42:29,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 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) [2025-03-14 01:42:29,458 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:29,459 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:29,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-14 01:42:29,459 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:29,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:29,460 INFO L85 PathProgramCache]: Analyzing trace with hash 935197614, now seen corresponding path program 1 times [2025-03-14 01:42:29,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:29,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293816916] [2025-03-14 01:42:29,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:29,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:29,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-03-14 01:42:29,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-03-14 01:42:29,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:29,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2025-03-14 01:42:30,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:30,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293816916] [2025-03-14 01:42:30,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293816916] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:30,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:30,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:42:30,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338103574] [2025-03-14 01:42:30,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:30,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:42:30,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:30,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:42:30,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:42:30,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 344 [2025-03-14 01:42:30,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 327 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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) [2025-03-14 01:42:30,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:30,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 344 [2025-03-14 01:42:30,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:30,573 INFO L124 PetriNetUnfolderBase]: 41/860 cut-off events. [2025-03-14 01:42:30,573 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES. [2025-03-14 01:42:30,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 860 events. 41/860 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3524 event pairs, 2 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 925. Up to 64 conditions per place. [2025-03-14 01:42:30,578 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 27 selfloop transitions, 5 changer transitions 0/331 dead transitions. [2025-03-14 01:42:30,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 331 transitions, 978 flow [2025-03-14 01:42:30,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:42:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:42:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1870 transitions. [2025-03-14 01:42:30,582 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9060077519379846 [2025-03-14 01:42:30,582 INFO L175 Difference]: Start difference. First operand has 326 places, 327 transitions, 900 flow. Second operand 6 states and 1870 transitions. [2025-03-14 01:42:30,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 331 transitions, 978 flow [2025-03-14 01:42:30,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 331 transitions, 968 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:42:30,587 INFO L231 Difference]: Finished difference. Result has 324 places, 325 transitions, 896 flow [2025-03-14 01:42:30,588 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=324, PETRI_TRANSITIONS=325} [2025-03-14 01:42:30,588 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 8 predicate places. [2025-03-14 01:42:30,588 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 325 transitions, 896 flow [2025-03-14 01:42:30,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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) [2025-03-14 01:42:30,589 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:30,590 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:30,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-14 01:42:30,590 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:30,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:30,591 INFO L85 PathProgramCache]: Analyzing trace with hash -127587231, now seen corresponding path program 1 times [2025-03-14 01:42:30,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:30,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575804725] [2025-03-14 01:42:30,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:30,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:30,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-03-14 01:42:30,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-03-14 01:42:30,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:30,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2025-03-14 01:42:31,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:31,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575804725] [2025-03-14 01:42:31,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575804725] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:31,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:31,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:42:31,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030198039] [2025-03-14 01:42:31,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:31,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:42:31,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:31,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:42:31,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:42:31,448 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 344 [2025-03-14 01:42:31,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 325 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 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) [2025-03-14 01:42:31,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:31,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 344 [2025-03-14 01:42:31,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:31,587 INFO L124 PetriNetUnfolderBase]: 68/893 cut-off events. [2025-03-14 01:42:31,587 INFO L125 PetriNetUnfolderBase]: For 103/106 co-relation queries the response was YES. [2025-03-14 01:42:31,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 893 events. 68/893 cut-off events. For 103/106 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3945 event pairs, 5 based on Foata normal form. 0/833 useless extension candidates. Maximal degree in co-relation 864. Up to 73 conditions per place. [2025-03-14 01:42:31,591 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 26 selfloop transitions, 5 changer transitions 0/328 dead transitions. [2025-03-14 01:42:31,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 328 transitions, 969 flow [2025-03-14 01:42:31,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:42:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:42:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions. [2025-03-14 01:42:31,595 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9055232558139535 [2025-03-14 01:42:31,595 INFO L175 Difference]: Start difference. First operand has 324 places, 325 transitions, 896 flow. Second operand 6 states and 1869 transitions. [2025-03-14 01:42:31,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 328 transitions, 969 flow [2025-03-14 01:42:31,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 328 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:42:31,600 INFO L231 Difference]: Finished difference. Result has 322 places, 323 transitions, 892 flow [2025-03-14 01:42:31,601 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=322, PETRI_TRANSITIONS=323} [2025-03-14 01:42:31,601 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 6 predicate places. [2025-03-14 01:42:31,601 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 323 transitions, 892 flow [2025-03-14 01:42:31,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 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) [2025-03-14 01:42:31,602 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:31,602 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:31,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-14 01:42:31,602 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:31,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:31,603 INFO L85 PathProgramCache]: Analyzing trace with hash 332448859, now seen corresponding path program 1 times [2025-03-14 01:42:31,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:31,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791927025] [2025-03-14 01:42:31,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:31,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:31,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-14 01:42:31,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-14 01:42:31,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:31,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2025-03-14 01:42:31,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:31,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791927025] [2025-03-14 01:42:31,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791927025] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:31,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:31,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:31,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57963269] [2025-03-14 01:42:31,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:31,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:31,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:31,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:31,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:31,690 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 344 [2025-03-14 01:42:31,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 323 transitions, 892 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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) [2025-03-14 01:42:31,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:31,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 344 [2025-03-14 01:42:31,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:31,767 INFO L124 PetriNetUnfolderBase]: 34/746 cut-off events. [2025-03-14 01:42:31,767 INFO L125 PetriNetUnfolderBase]: For 63/66 co-relation queries the response was YES. [2025-03-14 01:42:31,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 746 events. 34/746 cut-off events. For 63/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2630 event pairs, 2 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 754. Up to 27 conditions per place. [2025-03-14 01:42:31,771 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 8 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2025-03-14 01:42:31,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 323 transitions, 913 flow [2025-03-14 01:42:31,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2025-03-14 01:42:31,772 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9525193798449613 [2025-03-14 01:42:31,773 INFO L175 Difference]: Start difference. First operand has 322 places, 323 transitions, 892 flow. Second operand 3 states and 983 transitions. [2025-03-14 01:42:31,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 323 transitions, 913 flow [2025-03-14 01:42:31,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 323 transitions, 903 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:42:31,779 INFO L231 Difference]: Finished difference. Result has 318 places, 322 transitions, 884 flow [2025-03-14 01:42:31,780 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=318, PETRI_TRANSITIONS=322} [2025-03-14 01:42:31,780 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 2 predicate places. [2025-03-14 01:42:31,780 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 322 transitions, 884 flow [2025-03-14 01:42:31,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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) [2025-03-14 01:42:31,781 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:31,781 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:31,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-14 01:42:31,781 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:31,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:31,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1977853146, now seen corresponding path program 1 times [2025-03-14 01:42:31,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:31,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174337210] [2025-03-14 01:42:31,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:31,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:31,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 294 statements into 1 equivalence classes. [2025-03-14 01:42:31,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 294 of 294 statements. [2025-03-14 01:42:31,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:31,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2025-03-14 01:42:31,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:31,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174337210] [2025-03-14 01:42:31,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174337210] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:31,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:31,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:31,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809652371] [2025-03-14 01:42:31,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:31,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:31,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:31,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:31,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:31,877 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 344 [2025-03-14 01:42:31,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 322 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:42:31,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:31,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 344 [2025-03-14 01:42:31,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:31,958 INFO L124 PetriNetUnfolderBase]: 33/723 cut-off events. [2025-03-14 01:42:31,958 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES. [2025-03-14 01:42:31,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 723 events. 33/723 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2399 event pairs, 1 based on Foata normal form. 0/693 useless extension candidates. Maximal degree in co-relation 861. Up to 17 conditions per place. [2025-03-14 01:42:31,962 INFO L140 encePairwiseOnDemand]: 342/344 looper letters, 6 selfloop transitions, 1 changer transitions 0/321 dead transitions. [2025-03-14 01:42:31,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 321 transitions, 896 flow [2025-03-14 01:42:31,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2025-03-14 01:42:31,965 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9554263565891473 [2025-03-14 01:42:31,965 INFO L175 Difference]: Start difference. First operand has 318 places, 322 transitions, 884 flow. Second operand 3 states and 986 transitions. [2025-03-14 01:42:31,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 321 transitions, 896 flow [2025-03-14 01:42:31,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 892 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:42:31,970 INFO L231 Difference]: Finished difference. Result has 317 places, 321 transitions, 880 flow [2025-03-14 01:42:31,971 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=317, PETRI_TRANSITIONS=321} [2025-03-14 01:42:31,971 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2025-03-14 01:42:31,971 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 321 transitions, 880 flow [2025-03-14 01:42:31,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:42:31,972 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:31,972 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:31,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-14 01:42:31,972 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:31,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:31,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1953624156, now seen corresponding path program 1 times [2025-03-14 01:42:31,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:31,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585668930] [2025-03-14 01:42:31,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:31,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:31,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 296 statements into 1 equivalence classes. [2025-03-14 01:42:32,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 296 of 296 statements. [2025-03-14 01:42:32,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:32,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2025-03-14 01:42:32,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:32,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585668930] [2025-03-14 01:42:32,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585668930] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:32,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:32,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:32,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799640968] [2025-03-14 01:42:32,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:32,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:32,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:32,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:32,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:32,077 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 344 [2025-03-14 01:42:32,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 321 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:42:32,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:32,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 344 [2025-03-14 01:42:32,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:32,159 INFO L124 PetriNetUnfolderBase]: 33/716 cut-off events. [2025-03-14 01:42:32,159 INFO L125 PetriNetUnfolderBase]: For 63/65 co-relation queries the response was YES. [2025-03-14 01:42:32,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 716 events. 33/716 cut-off events. For 63/65 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2376 event pairs, 1 based on Foata normal form. 2/687 useless extension candidates. Maximal degree in co-relation 889. Up to 18 conditions per place. [2025-03-14 01:42:32,165 INFO L140 encePairwiseOnDemand]: 342/344 looper letters, 4 selfloop transitions, 0 changer transitions 4/320 dead transitions. [2025-03-14 01:42:32,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 320 transitions, 890 flow [2025-03-14 01:42:32,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2025-03-14 01:42:32,168 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9544573643410853 [2025-03-14 01:42:32,169 INFO L175 Difference]: Start difference. First operand has 317 places, 321 transitions, 880 flow. Second operand 3 states and 985 transitions. [2025-03-14 01:42:32,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 320 transitions, 890 flow [2025-03-14 01:42:32,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 320 transitions, 889 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:42:32,173 INFO L231 Difference]: Finished difference. Result has 317 places, 316 transitions, 867 flow [2025-03-14 01:42:32,174 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=867, PETRI_PLACES=317, PETRI_TRANSITIONS=316} [2025-03-14 01:42:32,174 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2025-03-14 01:42:32,174 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 316 transitions, 867 flow [2025-03-14 01:42:32,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:42:32,175 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:42:32,175 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:32,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-14 01:42:32,175 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-14 01:42:32,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:42:32,176 INFO L85 PathProgramCache]: Analyzing trace with hash 614891675, now seen corresponding path program 1 times [2025-03-14 01:42:32,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:42:32,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695713425] [2025-03-14 01:42:32,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:42:32,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:42:32,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 299 statements into 1 equivalence classes. [2025-03-14 01:42:32,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 299 of 299 statements. [2025-03-14 01:42:32,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:42:32,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:42:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2025-03-14 01:42:32,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:42:32,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695713425] [2025-03-14 01:42:32,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695713425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:42:32,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:42:32,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:42:32,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44413628] [2025-03-14 01:42:32,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:42:32,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:42:32,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:42:32,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:42:32,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:42:32,256 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 344 [2025-03-14 01:42:32,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 316 transitions, 867 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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) [2025-03-14 01:42:32,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:42:32,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 344 [2025-03-14 01:42:32,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:42:32,311 INFO L124 PetriNetUnfolderBase]: 38/715 cut-off events. [2025-03-14 01:42:32,312 INFO L125 PetriNetUnfolderBase]: For 69/71 co-relation queries the response was YES. [2025-03-14 01:42:32,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 715 events. 38/715 cut-off events. For 69/71 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2334 event pairs, 2 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 909. Up to 21 conditions per place. [2025-03-14 01:42:32,314 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 0 selfloop transitions, 0 changer transitions 316/316 dead transitions. [2025-03-14 01:42:32,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 316 transitions, 884 flow [2025-03-14 01:42:32,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:42:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:42:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions. [2025-03-14 01:42:32,316 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9505813953488372 [2025-03-14 01:42:32,317 INFO L175 Difference]: Start difference. First operand has 317 places, 316 transitions, 867 flow. Second operand 3 states and 981 transitions. [2025-03-14 01:42:32,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 316 transitions, 884 flow [2025-03-14 01:42:32,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 316 transitions, 884 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:42:32,321 INFO L231 Difference]: Finished difference. Result has 312 places, 0 transitions, 0 flow [2025-03-14 01:42:32,321 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=312, PETRI_TRANSITIONS=0} [2025-03-14 01:42:32,322 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -4 predicate places. [2025-03-14 01:42:32,322 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 0 transitions, 0 flow [2025-03-14 01:42:32,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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) [2025-03-14 01:42:32,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2025-03-14 01:42:32,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-03-14 01:42:32,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-03-14 01:42:32,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-03-14 01:42:32,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-03-14 01:42:32,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2025-03-14 01:42:32,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-03-14 01:42:32,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-03-14 01:42:32,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-03-14 01:42:32,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-14 01:42:32,328 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:42:32,333 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:42:32,334 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:42:32,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:42:32 BasicIcfg [2025-03-14 01:42:32,339 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:42:32,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:42:32,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:42:32,340 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:42:32,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:42:21" (3/4) ... [2025-03-14 01:42:32,342 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:42:32,344 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-14 01:42:32,345 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-14 01:42:32,349 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-14 01:42:32,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-14 01:42:32,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:42:32,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:42:32,418 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:42:32,418 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:42:32,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:42:32,420 INFO L158 Benchmark]: Toolchain (without parser) took 11821.56ms. Allocated memory was 201.3MB in the beginning and 486.5MB in the end (delta: 285.2MB). Free memory was 154.2MB in the beginning and 205.3MB in the end (delta: -51.0MB). Peak memory consumption was 229.4MB. Max. memory is 16.1GB. [2025-03-14 01:42:32,420 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:42:32,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.26ms. Allocated memory is still 201.3MB. Free memory was 154.2MB in the beginning and 141.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:42:32,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.96ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 138.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:42:32,422 INFO L158 Benchmark]: Boogie Preprocessor took 50.81ms. Allocated memory is still 201.3MB. Free memory was 138.8MB in the beginning and 136.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:42:32,422 INFO L158 Benchmark]: IcfgBuilder took 608.80ms. Allocated memory is still 201.3MB. Free memory was 136.5MB in the beginning and 106.4MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-14 01:42:32,422 INFO L158 Benchmark]: TraceAbstraction took 10782.60ms. Allocated memory was 201.3MB in the beginning and 486.5MB in the end (delta: 285.2MB). Free memory was 106.0MB in the beginning and 209.5MB in the end (delta: -103.5MB). Peak memory consumption was 179.0MB. Max. memory is 16.1GB. [2025-03-14 01:42:32,422 INFO L158 Benchmark]: Witness Printer took 79.12ms. Allocated memory is still 486.5MB. Free memory was 209.5MB in the beginning and 205.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:42:32,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.26ms. Allocated memory is still 201.3MB. Free memory was 154.2MB in the beginning and 141.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.96ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 138.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.81ms. Allocated memory is still 201.3MB. Free memory was 138.8MB in the beginning and 136.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 608.80ms. Allocated memory is still 201.3MB. Free memory was 136.5MB in the beginning and 106.4MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10782.60ms. Allocated memory was 201.3MB in the beginning and 486.5MB in the end (delta: 285.2MB). Free memory was 106.0MB in the beginning and 209.5MB in the end (delta: -103.5MB). Peak memory consumption was 179.0MB. Max. memory is 16.1GB. * Witness Printer took 79.12ms. Allocated memory is still 486.5MB. Free memory was 209.5MB in the beginning and 205.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 488 locations, 54 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: 10.6s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2545 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1622 mSDsluCounter, 1047 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 814 mSDsCounter, 586 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4316 IncrementalHoareTripleChecker+Invalid, 4902 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 586 mSolverCounterUnsat, 233 mSDtfsCounter, 4316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 740 SyntacticMatches, 5 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=13, InterpolantAutomatonStates: 99, 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, 3.8s InterpolantComputationTime, 3904 NumberOfCodeBlocks, 3664 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4250 ConstructedInterpolants, 0 QuantifiedInterpolants, 6037 SizeOfPredicates, 14 NumberOfNonLiveVariables, 840 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 2416/2563 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:42:32,441 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