./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 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-exp-term-subst.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 2a508120cc7913f10b79dda7ca65a8b88f829725798d520aee5d1c1d04a1fc13 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:23:03,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:23:03,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:23:03,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:23:03,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:23:03,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:23:03,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:23:03,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:23:03,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:23:03,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:23:03,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:23:03,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:23:03,746 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:23:03,747 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:23:03,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:23:03,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:23:03,747 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 -> 2a508120cc7913f10b79dda7ca65a8b88f829725798d520aee5d1c1d04a1fc13 [2025-03-13 22:23:03,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:23:03,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:23:03,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:23:03,982 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:23:03,982 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:23:03,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2025-03-13 22:23:05,156 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29fbd985/e916eb11f75f45929f72f393fab72b3d/FLAGe510395ed [2025-03-13 22:23:05,362 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:23:05,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2025-03-13 22:23:05,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29fbd985/e916eb11f75f45929f72f393fab72b3d/FLAGe510395ed [2025-03-13 22:23:05,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29fbd985/e916eb11f75f45929f72f393fab72b3d [2025-03-13 22:23:05,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:23:05,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:23:05,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:23:05,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:23:05,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:23:05,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2854d9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05, skipping insertion in model container [2025-03-13 22:23:05,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:23:05,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:23:05,522 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:23:05,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:23:05,558 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:23:05,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05 WrapperNode [2025-03-13 22:23:05,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:23:05,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:23:05,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:23:05,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:23:05,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,598 INFO L138 Inliner]: procedures = 22, calls = 17, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 317 [2025-03-13 22:23:05,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:23:05,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:23:05,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:23:05,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:23:05,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,616 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:23:05,626 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:23:05,627 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:23:05,627 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:23:05,627 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (1/1) ... [2025-03-13 22:23:05,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:23:05,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:23:05,660 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) [2025-03-13 22:23:05,666 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 [2025-03-13 22:23:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:23:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:23:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:23:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:23:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:23:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-13 22:23:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-13 22:23:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:23:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:23:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:23:05,684 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:23:05,761 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:23:05,762 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:23:06,151 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:23:06,152 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:23:06,152 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:23:06,167 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:23:06,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:06 BoogieIcfgContainer [2025-03-13 22:23:06,167 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:23:06,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:23:06,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:23:06,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:23:06,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:23:05" (1/3) ... [2025-03-13 22:23:06,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d65149c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:23:06, skipping insertion in model container [2025-03-13 22:23:06,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:05" (2/3) ... [2025-03-13 22:23:06,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d65149c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:23:06, skipping insertion in model container [2025-03-13 22:23:06,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:06" (3/3) ... [2025-03-13 22:23:06,175 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2025-03-13 22:23:06,187 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:23:06,188 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-exp-term-subst.wvr.c that has 4 procedures, 404 locations, 1 initial locations, 0 loop locations, and 44 error locations. [2025-03-13 22:23:06,188 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:23:06,306 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-13 22:23:06,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 413 places, 430 transitions, 881 flow [2025-03-13 22:23:06,509 INFO L124 PetriNetUnfolderBase]: 27/427 cut-off events. [2025-03-13 22:23:06,512 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 22:23:06,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 427 events. 27/427 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1408 event pairs, 0 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 306. Up to 2 conditions per place. [2025-03-13 22:23:06,526 INFO L82 GeneralOperation]: Start removeDead. Operand has 413 places, 430 transitions, 881 flow [2025-03-13 22:23:06,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 392 places, 407 transitions, 832 flow [2025-03-13 22:23:06,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:23:06,552 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;@74d4d861, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:23:06,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2025-03-13 22:23:06,558 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:23:06,559 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2025-03-13 22:23:06,559 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:23:06,559 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:06,560 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] [2025-03-13 22:23:06,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:06,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:06,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2065057417, now seen corresponding path program 1 times [2025-03-13 22:23:06,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:06,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158412389] [2025-03-13 22:23:06,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:06,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:06,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-13 22:23:06,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-13 22:23:06,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:06,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:06,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:06,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:06,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158412389] [2025-03-13 22:23:06,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158412389] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:06,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:06,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:06,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206872071] [2025-03-13 22:23:06,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:06,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:06,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:06,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:06,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:06,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2025-03-13 22:23:06,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 407 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2025-03-13 22:23:06,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:06,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2025-03-13 22:23:06,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:06,983 INFO L124 PetriNetUnfolderBase]: 98/1397 cut-off events. [2025-03-13 22:23:06,983 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2025-03-13 22:23:06,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 1397 events. 98/1397 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 9743 event pairs, 20 based on Foata normal form. 39/1169 useless extension candidates. Maximal degree in co-relation 1352. Up to 50 conditions per place. [2025-03-13 22:23:07,005 INFO L140 encePairwiseOnDemand]: 420/430 looper letters, 13 selfloop transitions, 2 changer transitions 1/399 dead transitions. [2025-03-13 22:23:07,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 399 transitions, 846 flow [2025-03-13 22:23:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:07,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2025-03-13 22:23:07,021 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9573643410852714 [2025-03-13 22:23:07,023 INFO L175 Difference]: Start difference. First operand has 392 places, 407 transitions, 832 flow. Second operand 3 states and 1235 transitions. [2025-03-13 22:23:07,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 399 transitions, 846 flow [2025-03-13 22:23:07,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 399 transitions, 834 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-13 22:23:07,069 INFO L231 Difference]: Finished difference. Result has 387 places, 398 transitions, 806 flow [2025-03-13 22:23:07,072 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=387, PETRI_TRANSITIONS=398} [2025-03-13 22:23:07,076 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -5 predicate places. [2025-03-13 22:23:07,076 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 398 transitions, 806 flow [2025-03-13 22:23:07,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2025-03-13 22:23:07,077 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:07,077 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] [2025-03-13 22:23:07,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:23:07,077 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:07,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:07,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1561166810, now seen corresponding path program 1 times [2025-03-13 22:23:07,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:07,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377271068] [2025-03-13 22:23:07,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:07,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:07,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-13 22:23:07,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-13 22:23:07,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:07,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:07,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:07,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377271068] [2025-03-13 22:23:07,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377271068] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:07,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:07,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:07,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302272991] [2025-03-13 22:23:07,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:07,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:07,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:07,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:07,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:07,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2025-03-13 22:23:07,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 398 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2025-03-13 22:23:07,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:07,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2025-03-13 22:23:07,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:07,272 INFO L124 PetriNetUnfolderBase]: 54/807 cut-off events. [2025-03-13 22:23:07,272 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2025-03-13 22:23:07,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 807 events. 54/807 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4629 event pairs, 12 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 824. Up to 38 conditions per place. [2025-03-13 22:23:07,282 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 13 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2025-03-13 22:23:07,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 397 transitions, 834 flow [2025-03-13 22:23:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2025-03-13 22:23:07,286 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.951937984496124 [2025-03-13 22:23:07,286 INFO L175 Difference]: Start difference. First operand has 387 places, 398 transitions, 806 flow. Second operand 3 states and 1228 transitions. [2025-03-13 22:23:07,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 397 transitions, 834 flow [2025-03-13 22:23:07,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 397 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:07,291 INFO L231 Difference]: Finished difference. Result has 385 places, 397 transitions, 804 flow [2025-03-13 22:23:07,291 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=385, PETRI_TRANSITIONS=397} [2025-03-13 22:23:07,292 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -7 predicate places. [2025-03-13 22:23:07,292 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 397 transitions, 804 flow [2025-03-13 22:23:07,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2025-03-13 22:23:07,293 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:07,293 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] [2025-03-13 22:23:07,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:23:07,293 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:07,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:07,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1327145344, now seen corresponding path program 1 times [2025-03-13 22:23:07,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:07,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914805888] [2025-03-13 22:23:07,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:07,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:07,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-13 22:23:07,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-13 22:23:07,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:07,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:07,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:07,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:07,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914805888] [2025-03-13 22:23:07,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914805888] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:07,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:07,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:07,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531191857] [2025-03-13 22:23:07,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:07,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:07,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:07,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:07,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:07,361 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2025-03-13 22:23:07,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 397 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2025-03-13 22:23:07,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:07,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2025-03-13 22:23:07,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:07,451 INFO L124 PetriNetUnfolderBase]: 50/620 cut-off events. [2025-03-13 22:23:07,452 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2025-03-13 22:23:07,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 620 events. 50/620 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3150 event pairs, 20 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 639. Up to 50 conditions per place. [2025-03-13 22:23:07,459 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 13 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2025-03-13 22:23:07,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 396 transitions, 832 flow [2025-03-13 22:23:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2025-03-13 22:23:07,464 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.951937984496124 [2025-03-13 22:23:07,464 INFO L175 Difference]: Start difference. First operand has 385 places, 397 transitions, 804 flow. Second operand 3 states and 1228 transitions. [2025-03-13 22:23:07,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 396 transitions, 832 flow [2025-03-13 22:23:07,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 396 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:07,469 INFO L231 Difference]: Finished difference. Result has 384 places, 396 transitions, 802 flow [2025-03-13 22:23:07,470 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=384, PETRI_TRANSITIONS=396} [2025-03-13 22:23:07,471 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -8 predicate places. [2025-03-13 22:23:07,471 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 396 transitions, 802 flow [2025-03-13 22:23:07,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2025-03-13 22:23:07,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:07,472 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] [2025-03-13 22:23:07,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:23:07,472 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:07,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:07,472 INFO L85 PathProgramCache]: Analyzing trace with hash -26797013, now seen corresponding path program 1 times [2025-03-13 22:23:07,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:07,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900515553] [2025-03-13 22:23:07,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:07,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:07,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-13 22:23:07,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-13 22:23:07,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:07,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:07,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:07,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900515553] [2025-03-13 22:23:07,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900515553] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:07,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:07,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:07,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308955180] [2025-03-13 22:23:07,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:07,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:07,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:07,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:07,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:07,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2025-03-13 22:23:07,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 396 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:07,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:07,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2025-03-13 22:23:07,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:07,768 INFO L124 PetriNetUnfolderBase]: 117/1364 cut-off events. [2025-03-13 22:23:07,768 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 22:23:07,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1476 conditions, 1364 events. 117/1364 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 9901 event pairs, 39 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1426. Up to 85 conditions per place. [2025-03-13 22:23:07,790 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2025-03-13 22:23:07,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 395 transitions, 834 flow [2025-03-13 22:23:07,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2025-03-13 22:23:07,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2025-03-13 22:23:07,793 INFO L175 Difference]: Start difference. First operand has 384 places, 396 transitions, 802 flow. Second operand 3 states and 1224 transitions. [2025-03-13 22:23:07,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 395 transitions, 834 flow [2025-03-13 22:23:07,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 395 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:07,800 INFO L231 Difference]: Finished difference. Result has 383 places, 395 transitions, 800 flow [2025-03-13 22:23:07,800 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=383, PETRI_TRANSITIONS=395} [2025-03-13 22:23:07,801 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -9 predicate places. [2025-03-13 22:23:07,801 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 395 transitions, 800 flow [2025-03-13 22:23:07,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:07,802 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:07,803 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] [2025-03-13 22:23:07,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:23:07,803 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:07,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:07,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1901958157, now seen corresponding path program 1 times [2025-03-13 22:23:07,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:07,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35675557] [2025-03-13 22:23:07,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:07,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:07,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-13 22:23:07,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-13 22:23:07,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:07,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:07,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:07,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35675557] [2025-03-13 22:23:07,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35675557] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:07,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:07,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:07,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886787547] [2025-03-13 22:23:07,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:07,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:07,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:07,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:07,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:07,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2025-03-13 22:23:07,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 395 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:07,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:07,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2025-03-13 22:23:07,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:07,988 INFO L124 PetriNetUnfolderBase]: 69/871 cut-off events. [2025-03-13 22:23:07,988 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:23:07,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 871 events. 69/871 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5291 event pairs, 21 based on Foata normal form. 0/715 useless extension candidates. Maximal degree in co-relation 886. Up to 58 conditions per place. [2025-03-13 22:23:08,001 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2025-03-13 22:23:08,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 394 transitions, 832 flow [2025-03-13 22:23:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2025-03-13 22:23:08,004 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2025-03-13 22:23:08,004 INFO L175 Difference]: Start difference. First operand has 383 places, 395 transitions, 800 flow. Second operand 3 states and 1224 transitions. [2025-03-13 22:23:08,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 394 transitions, 832 flow [2025-03-13 22:23:08,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 394 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:08,008 INFO L231 Difference]: Finished difference. Result has 382 places, 394 transitions, 798 flow [2025-03-13 22:23:08,009 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=382, PETRI_TRANSITIONS=394} [2025-03-13 22:23:08,009 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -10 predicate places. [2025-03-13 22:23:08,009 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 394 transitions, 798 flow [2025-03-13 22:23:08,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:08,010 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:08,010 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] [2025-03-13 22:23:08,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:23:08,010 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:08,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:08,011 INFO L85 PathProgramCache]: Analyzing trace with hash -565204604, now seen corresponding path program 1 times [2025-03-13 22:23:08,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:08,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24309909] [2025-03-13 22:23:08,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:08,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:08,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-13 22:23:08,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-13 22:23:08,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:08,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:08,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:08,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24309909] [2025-03-13 22:23:08,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24309909] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:08,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:08,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:08,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173530499] [2025-03-13 22:23:08,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:08,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:08,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:08,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:08,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:08,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2025-03-13 22:23:08,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 394 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:08,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:08,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2025-03-13 22:23:08,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:08,253 INFO L124 PetriNetUnfolderBase]: 117/1332 cut-off events. [2025-03-13 22:23:08,254 INFO L125 PetriNetUnfolderBase]: For 21/26 co-relation queries the response was YES. [2025-03-13 22:23:08,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 1332 events. 117/1332 cut-off events. For 21/26 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 8627 event pairs, 39 based on Foata normal form. 0/1080 useless extension candidates. Maximal degree in co-relation 1363. Up to 85 conditions per place. [2025-03-13 22:23:08,265 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2025-03-13 22:23:08,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 393 transitions, 830 flow [2025-03-13 22:23:08,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:08,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2025-03-13 22:23:08,270 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2025-03-13 22:23:08,270 INFO L175 Difference]: Start difference. First operand has 382 places, 394 transitions, 798 flow. Second operand 3 states and 1224 transitions. [2025-03-13 22:23:08,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 393 transitions, 830 flow [2025-03-13 22:23:08,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 393 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:08,277 INFO L231 Difference]: Finished difference. Result has 381 places, 393 transitions, 796 flow [2025-03-13 22:23:08,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=381, PETRI_TRANSITIONS=393} [2025-03-13 22:23:08,279 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -11 predicate places. [2025-03-13 22:23:08,279 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 393 transitions, 796 flow [2025-03-13 22:23:08,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:08,280 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:08,281 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] [2025-03-13 22:23:08,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:23:08,281 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:08,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:08,281 INFO L85 PathProgramCache]: Analyzing trace with hash 78389787, now seen corresponding path program 1 times [2025-03-13 22:23:08,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:08,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146770521] [2025-03-13 22:23:08,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:08,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:08,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-13 22:23:08,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-13 22:23:08,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:08,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:08,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:08,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146770521] [2025-03-13 22:23:08,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146770521] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:08,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:08,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:08,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423527150] [2025-03-13 22:23:08,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:08,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:08,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:08,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:08,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:08,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2025-03-13 22:23:08,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 393 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2025-03-13 22:23:08,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:08,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2025-03-13 22:23:08,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:08,631 INFO L124 PetriNetUnfolderBase]: 284/2636 cut-off events. [2025-03-13 22:23:08,631 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-13 22:23:08,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2953 conditions, 2636 events. 284/2636 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 24559 event pairs, 117 based on Foata normal form. 0/2193 useless extension candidates. Maximal degree in co-relation 2879. Up to 251 conditions per place. [2025-03-13 22:23:08,658 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2025-03-13 22:23:08,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 391 transitions, 840 flow [2025-03-13 22:23:08,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2025-03-13 22:23:08,661 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2025-03-13 22:23:08,661 INFO L175 Difference]: Start difference. First operand has 381 places, 393 transitions, 796 flow. Second operand 3 states and 1217 transitions. [2025-03-13 22:23:08,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 391 transitions, 840 flow [2025-03-13 22:23:08,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 391 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:08,665 INFO L231 Difference]: Finished difference. Result has 376 places, 389 transitions, 794 flow [2025-03-13 22:23:08,666 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=376, PETRI_TRANSITIONS=389} [2025-03-13 22:23:08,666 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -16 predicate places. [2025-03-13 22:23:08,667 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 389 transitions, 794 flow [2025-03-13 22:23:08,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2025-03-13 22:23:08,667 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:08,667 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] [2025-03-13 22:23:08,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:23:08,668 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:08,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:08,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1976799396, now seen corresponding path program 1 times [2025-03-13 22:23:08,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:08,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605251844] [2025-03-13 22:23:08,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:08,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:08,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-13 22:23:08,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-13 22:23:08,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:08,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:08,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:08,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605251844] [2025-03-13 22:23:08,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605251844] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:08,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:08,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:08,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306077227] [2025-03-13 22:23:08,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:08,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:08,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:08,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:08,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:08,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2025-03-13 22:23:08,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 389 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2025-03-13 22:23:08,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:08,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2025-03-13 22:23:08,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:08,928 INFO L124 PetriNetUnfolderBase]: 151/1516 cut-off events. [2025-03-13 22:23:08,928 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-13 22:23:08,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1516 events. 151/1516 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 11445 event pairs, 52 based on Foata normal form. 0/1274 useless extension candidates. Maximal degree in co-relation 1504. Up to 135 conditions per place. [2025-03-13 22:23:08,953 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2025-03-13 22:23:08,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 387 transitions, 838 flow [2025-03-13 22:23:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2025-03-13 22:23:08,960 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2025-03-13 22:23:08,960 INFO L175 Difference]: Start difference. First operand has 376 places, 389 transitions, 794 flow. Second operand 3 states and 1217 transitions. [2025-03-13 22:23:08,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 387 transitions, 838 flow [2025-03-13 22:23:08,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 387 transitions, 838 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:08,966 INFO L231 Difference]: Finished difference. Result has 373 places, 385 transitions, 796 flow [2025-03-13 22:23:08,966 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=373, PETRI_TRANSITIONS=385} [2025-03-13 22:23:08,967 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2025-03-13 22:23:08,967 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 385 transitions, 796 flow [2025-03-13 22:23:08,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2025-03-13 22:23:08,968 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:08,968 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] [2025-03-13 22:23:08,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:23:08,968 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:08,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:08,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1268876137, now seen corresponding path program 1 times [2025-03-13 22:23:08,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:08,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011043426] [2025-03-13 22:23:08,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:08,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:08,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-13 22:23:08,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-13 22:23:08,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:08,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:09,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:09,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011043426] [2025-03-13 22:23:09,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011043426] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:09,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:09,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:09,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650107710] [2025-03-13 22:23:09,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:09,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:09,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:09,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:09,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:09,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2025-03-13 22:23:09,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 385 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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) [2025-03-13 22:23:09,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:09,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2025-03-13 22:23:09,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:09,429 INFO L124 PetriNetUnfolderBase]: 505/4357 cut-off events. [2025-03-13 22:23:09,430 INFO L125 PetriNetUnfolderBase]: For 63/71 co-relation queries the response was YES. [2025-03-13 22:23:09,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4838 conditions, 4357 events. 505/4357 cut-off events. For 63/71 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 44534 event pairs, 126 based on Foata normal form. 0/3687 useless extension candidates. Maximal degree in co-relation 3641. Up to 445 conditions per place. [2025-03-13 22:23:09,469 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2025-03-13 22:23:09,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 383 transitions, 840 flow [2025-03-13 22:23:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2025-03-13 22:23:09,472 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2025-03-13 22:23:09,473 INFO L175 Difference]: Start difference. First operand has 373 places, 385 transitions, 796 flow. Second operand 3 states and 1217 transitions. [2025-03-13 22:23:09,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 383 transitions, 840 flow [2025-03-13 22:23:09,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 383 transitions, 840 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:09,477 INFO L231 Difference]: Finished difference. Result has 370 places, 381 transitions, 798 flow [2025-03-13 22:23:09,477 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=370, PETRI_TRANSITIONS=381} [2025-03-13 22:23:09,478 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2025-03-13 22:23:09,479 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 381 transitions, 798 flow [2025-03-13 22:23:09,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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) [2025-03-13 22:23:09,479 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:09,480 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] [2025-03-13 22:23:09,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-13 22:23:09,480 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:09,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:09,480 INFO L85 PathProgramCache]: Analyzing trace with hash 583088302, now seen corresponding path program 1 times [2025-03-13 22:23:09,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:09,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000378246] [2025-03-13 22:23:09,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:09,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:09,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-13 22:23:09,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-13 22:23:09,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:09,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:09,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000378246] [2025-03-13 22:23:09,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000378246] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:09,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:09,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:23:09,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787611103] [2025-03-13 22:23:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:09,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:09,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:09,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:09,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:09,538 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2025-03-13 22:23:09,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 381 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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) [2025-03-13 22:23:09,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:09,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2025-03-13 22:23:09,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:09,661 INFO L124 PetriNetUnfolderBase]: 98/1285 cut-off events. [2025-03-13 22:23:09,661 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:23:09,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1388 conditions, 1285 events. 98/1285 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 9485 event pairs, 10 based on Foata normal form. 0/1105 useless extension candidates. Maximal degree in co-relation 1124. Up to 35 conditions per place. [2025-03-13 22:23:09,677 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/385 dead transitions. [2025-03-13 22:23:09,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 385 transitions, 842 flow [2025-03-13 22:23:09,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2025-03-13 22:23:09,680 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2025-03-13 22:23:09,680 INFO L175 Difference]: Start difference. First operand has 370 places, 381 transitions, 798 flow. Second operand 3 states and 1242 transitions. [2025-03-13 22:23:09,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 385 transitions, 842 flow [2025-03-13 22:23:09,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 385 transitions, 842 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:09,684 INFO L231 Difference]: Finished difference. Result has 374 places, 383 transitions, 820 flow [2025-03-13 22:23:09,685 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=374, PETRI_TRANSITIONS=383} [2025-03-13 22:23:09,685 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -18 predicate places. [2025-03-13 22:23:09,686 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 383 transitions, 820 flow [2025-03-13 22:23:09,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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) [2025-03-13 22:23:09,687 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:09,687 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] [2025-03-13 22:23:09,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-13 22:23:09,687 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:09,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:09,687 INFO L85 PathProgramCache]: Analyzing trace with hash 261235663, now seen corresponding path program 1 times [2025-03-13 22:23:09,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:09,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102935679] [2025-03-13 22:23:09,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:09,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:09,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-13 22:23:09,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-13 22:23:09,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:09,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:09,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:09,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102935679] [2025-03-13 22:23:09,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102935679] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:09,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:09,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:09,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017588752] [2025-03-13 22:23:09,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:09,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:09,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:09,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:09,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:09,760 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2025-03-13 22:23:09,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 383 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:09,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:09,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2025-03-13 22:23:09,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:09,992 INFO L124 PetriNetUnfolderBase]: 206/2208 cut-off events. [2025-03-13 22:23:09,992 INFO L125 PetriNetUnfolderBase]: For 28/34 co-relation queries the response was YES. [2025-03-13 22:23:10,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2500 conditions, 2208 events. 206/2208 cut-off events. For 28/34 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 19294 event pairs, 16 based on Foata normal form. 1/1935 useless extension candidates. Maximal degree in co-relation 2113. Up to 166 conditions per place. [2025-03-13 22:23:10,019 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 20 selfloop transitions, 4 changer transitions 0/388 dead transitions. [2025-03-13 22:23:10,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 388 transitions, 883 flow [2025-03-13 22:23:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2025-03-13 22:23:10,021 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9565891472868217 [2025-03-13 22:23:10,021 INFO L175 Difference]: Start difference. First operand has 374 places, 383 transitions, 820 flow. Second operand 3 states and 1234 transitions. [2025-03-13 22:23:10,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 388 transitions, 883 flow [2025-03-13 22:23:10,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 388 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:10,026 INFO L231 Difference]: Finished difference. Result has 371 places, 383 transitions, 834 flow [2025-03-13 22:23:10,026 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=371, PETRI_TRANSITIONS=383} [2025-03-13 22:23:10,027 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2025-03-13 22:23:10,027 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 383 transitions, 834 flow [2025-03-13 22:23:10,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:10,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:10,027 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] [2025-03-13 22:23:10,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-13 22:23:10,028 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:10,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:10,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1939397108, now seen corresponding path program 1 times [2025-03-13 22:23:10,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:10,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142209898] [2025-03-13 22:23:10,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:10,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-13 22:23:10,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-13 22:23:10,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:10,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:10,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:10,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142209898] [2025-03-13 22:23:10,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142209898] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:10,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:10,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:10,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317176707] [2025-03-13 22:23:10,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:10,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:10,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:10,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:10,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:10,084 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2025-03-13 22:23:10,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 383 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:10,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:10,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2025-03-13 22:23:10,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:10,470 INFO L124 PetriNetUnfolderBase]: 262/2943 cut-off events. [2025-03-13 22:23:10,470 INFO L125 PetriNetUnfolderBase]: For 34/65 co-relation queries the response was YES. [2025-03-13 22:23:10,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3279 conditions, 2943 events. 262/2943 cut-off events. For 34/65 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 26341 event pairs, 36 based on Foata normal form. 2/2571 useless extension candidates. Maximal degree in co-relation 2942. Up to 198 conditions per place. [2025-03-13 22:23:10,512 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 20 selfloop transitions, 4 changer transitions 0/388 dead transitions. [2025-03-13 22:23:10,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 388 transitions, 897 flow [2025-03-13 22:23:10,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2025-03-13 22:23:10,515 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9565891472868217 [2025-03-13 22:23:10,515 INFO L175 Difference]: Start difference. First operand has 371 places, 383 transitions, 834 flow. Second operand 3 states and 1234 transitions. [2025-03-13 22:23:10,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 388 transitions, 897 flow [2025-03-13 22:23:10,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 388 transitions, 897 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:10,520 INFO L231 Difference]: Finished difference. Result has 370 places, 383 transitions, 854 flow [2025-03-13 22:23:10,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=370, PETRI_TRANSITIONS=383} [2025-03-13 22:23:10,521 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2025-03-13 22:23:10,521 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 383 transitions, 854 flow [2025-03-13 22:23:10,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2025-03-13 22:23:10,522 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:10,522 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] [2025-03-13 22:23:10,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-13 22:23:10,522 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:10,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:10,523 INFO L85 PathProgramCache]: Analyzing trace with hash 564984091, now seen corresponding path program 1 times [2025-03-13 22:23:10,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:10,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342405777] [2025-03-13 22:23:10,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:10,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:10,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-13 22:23:10,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-13 22:23:10,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:10,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:10,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:10,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342405777] [2025-03-13 22:23:10,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342405777] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:10,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:10,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:10,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345115651] [2025-03-13 22:23:10,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:10,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:10,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:10,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:10,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:10,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 430 [2025-03-13 22:23:10,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 383 transitions, 854 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 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) [2025-03-13 22:23:10,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:10,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 430 [2025-03-13 22:23:10,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:10,896 INFO L124 PetriNetUnfolderBase]: 236/2977 cut-off events. [2025-03-13 22:23:10,896 INFO L125 PetriNetUnfolderBase]: For 6/35 co-relation queries the response was YES. [2025-03-13 22:23:10,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3305 conditions, 2977 events. 236/2977 cut-off events. For 6/35 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 27818 event pairs, 14 based on Foata normal form. 4/2617 useless extension candidates. Maximal degree in co-relation 2968. Up to 62 conditions per place. [2025-03-13 22:23:10,932 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 11 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2025-03-13 22:23:10,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 384 transitions, 884 flow [2025-03-13 22:23:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1241 transitions. [2025-03-13 22:23:10,936 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.962015503875969 [2025-03-13 22:23:10,936 INFO L175 Difference]: Start difference. First operand has 370 places, 383 transitions, 854 flow. Second operand 3 states and 1241 transitions. [2025-03-13 22:23:10,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 384 transitions, 884 flow [2025-03-13 22:23:10,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 384 transitions, 884 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:10,939 INFO L231 Difference]: Finished difference. Result has 371 places, 382 transitions, 856 flow [2025-03-13 22:23:10,940 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=371, PETRI_TRANSITIONS=382} [2025-03-13 22:23:10,940 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2025-03-13 22:23:10,940 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 382 transitions, 856 flow [2025-03-13 22:23:10,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 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) [2025-03-13 22:23:10,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:10,941 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] [2025-03-13 22:23:10,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-13 22:23:10,941 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:10,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:10,942 INFO L85 PathProgramCache]: Analyzing trace with hash -211148869, now seen corresponding path program 1 times [2025-03-13 22:23:10,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:10,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911164987] [2025-03-13 22:23:10,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:10,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:10,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-13 22:23:10,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-13 22:23:10,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:10,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:10,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:10,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911164987] [2025-03-13 22:23:10,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911164987] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:10,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:10,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:23:10,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785987378] [2025-03-13 22:23:10,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:10,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:10,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:10,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:10,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:10,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2025-03-13 22:23:10,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 382 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2025-03-13 22:23:10,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:10,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2025-03-13 22:23:10,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:11,252 INFO L124 PetriNetUnfolderBase]: 260/2958 cut-off events. [2025-03-13 22:23:11,252 INFO L125 PetriNetUnfolderBase]: For 27/76 co-relation queries the response was YES. [2025-03-13 22:23:11,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3377 conditions, 2958 events. 260/2958 cut-off events. For 27/76 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 27968 event pairs, 42 based on Foata normal form. 0/2586 useless extension candidates. Maximal degree in co-relation 2920. Up to 136 conditions per place. [2025-03-13 22:23:11,291 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/386 dead transitions. [2025-03-13 22:23:11,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 386 transitions, 900 flow [2025-03-13 22:23:11,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2025-03-13 22:23:11,295 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2025-03-13 22:23:11,295 INFO L175 Difference]: Start difference. First operand has 371 places, 382 transitions, 856 flow. Second operand 3 states and 1242 transitions. [2025-03-13 22:23:11,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 386 transitions, 900 flow [2025-03-13 22:23:11,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 386 transitions, 896 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:11,299 INFO L231 Difference]: Finished difference. Result has 373 places, 384 transitions, 874 flow [2025-03-13 22:23:11,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=373, PETRI_TRANSITIONS=384} [2025-03-13 22:23:11,300 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2025-03-13 22:23:11,300 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 384 transitions, 874 flow [2025-03-13 22:23:11,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2025-03-13 22:23:11,301 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:11,301 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] [2025-03-13 22:23:11,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-13 22:23:11,301 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:11,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:11,303 INFO L85 PathProgramCache]: Analyzing trace with hash 376351144, now seen corresponding path program 1 times [2025-03-13 22:23:11,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:11,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989273901] [2025-03-13 22:23:11,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:11,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:11,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-13 22:23:11,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-13 22:23:11,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:11,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:11,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:11,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989273901] [2025-03-13 22:23:11,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989273901] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:11,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:11,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:11,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413170893] [2025-03-13 22:23:11,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:11,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:11,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:11,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:11,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:11,348 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2025-03-13 22:23:11,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 384 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2025-03-13 22:23:11,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:11,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2025-03-13 22:23:11,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:11,721 INFO L124 PetriNetUnfolderBase]: 390/4199 cut-off events. [2025-03-13 22:23:11,722 INFO L125 PetriNetUnfolderBase]: For 60/116 co-relation queries the response was YES. [2025-03-13 22:23:11,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4849 conditions, 4199 events. 390/4199 cut-off events. For 60/116 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 42508 event pairs, 32 based on Foata normal form. 2/3712 useless extension candidates. Maximal degree in co-relation 3856. Up to 132 conditions per place. [2025-03-13 22:23:11,779 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 12 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2025-03-13 22:23:11,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 385 transitions, 906 flow [2025-03-13 22:23:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:11,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2025-03-13 22:23:11,781 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9604651162790697 [2025-03-13 22:23:11,781 INFO L175 Difference]: Start difference. First operand has 373 places, 384 transitions, 874 flow. Second operand 3 states and 1239 transitions. [2025-03-13 22:23:11,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 385 transitions, 906 flow [2025-03-13 22:23:11,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 385 transitions, 900 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:11,786 INFO L231 Difference]: Finished difference. Result has 372 places, 383 transitions, 870 flow [2025-03-13 22:23:11,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=866, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=372, PETRI_TRANSITIONS=383} [2025-03-13 22:23:11,787 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -20 predicate places. [2025-03-13 22:23:11,787 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 383 transitions, 870 flow [2025-03-13 22:23:11,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2025-03-13 22:23:11,788 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:11,788 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] [2025-03-13 22:23:11,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-13 22:23:11,788 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:11,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:11,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1750764161, now seen corresponding path program 1 times [2025-03-13 22:23:11,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:11,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18337350] [2025-03-13 22:23:11,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:11,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:11,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-13 22:23:11,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-13 22:23:11,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:11,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:11,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:11,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18337350] [2025-03-13 22:23:11,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18337350] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:11,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:11,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:11,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837799232] [2025-03-13 22:23:11,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:11,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:11,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:11,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:11,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:11,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2025-03-13 22:23:11,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 383 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2025-03-13 22:23:11,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:11,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2025-03-13 22:23:11,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:12,434 INFO L124 PetriNetUnfolderBase]: 648/5839 cut-off events. [2025-03-13 22:23:12,435 INFO L125 PetriNetUnfolderBase]: For 74/82 co-relation queries the response was YES. [2025-03-13 22:23:12,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6872 conditions, 5839 events. 648/5839 cut-off events. For 74/82 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 64494 event pairs, 68 based on Foata normal form. 1/5262 useless extension candidates. Maximal degree in co-relation 5944. Up to 585 conditions per place. [2025-03-13 22:23:12,508 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 19 selfloop transitions, 4 changer transitions 0/387 dead transitions. [2025-03-13 22:23:12,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 387 transitions, 928 flow [2025-03-13 22:23:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2025-03-13 22:23:12,510 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9558139534883721 [2025-03-13 22:23:12,510 INFO L175 Difference]: Start difference. First operand has 372 places, 383 transitions, 870 flow. Second operand 3 states and 1233 transitions. [2025-03-13 22:23:12,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 387 transitions, 928 flow [2025-03-13 22:23:12,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 387 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:12,516 INFO L231 Difference]: Finished difference. Result has 369 places, 383 transitions, 886 flow [2025-03-13 22:23:12,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=369, PETRI_TRANSITIONS=383} [2025-03-13 22:23:12,516 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -23 predicate places. [2025-03-13 22:23:12,517 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 383 transitions, 886 flow [2025-03-13 22:23:12,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2025-03-13 22:23:12,517 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:12,517 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] [2025-03-13 22:23:12,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-13 22:23:12,518 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:12,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:12,518 INFO L85 PathProgramCache]: Analyzing trace with hash 80605662, now seen corresponding path program 1 times [2025-03-13 22:23:12,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:12,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195569366] [2025-03-13 22:23:12,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:12,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:12,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-13 22:23:12,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-13 22:23:12,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:12,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:12,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:12,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195569366] [2025-03-13 22:23:12,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195569366] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:12,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:12,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:23:12,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470753305] [2025-03-13 22:23:12,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:12,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:12,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:12,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:12,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:12,553 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2025-03-13 22:23:12,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 383 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2025-03-13 22:23:12,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:12,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2025-03-13 22:23:12,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:12,932 INFO L124 PetriNetUnfolderBase]: 413/3953 cut-off events. [2025-03-13 22:23:12,932 INFO L125 PetriNetUnfolderBase]: For 107/136 co-relation queries the response was YES. [2025-03-13 22:23:12,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4768 conditions, 3953 events. 413/3953 cut-off events. For 107/136 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 39227 event pairs, 64 based on Foata normal form. 2/3510 useless extension candidates. Maximal degree in co-relation 4191. Up to 287 conditions per place. [2025-03-13 22:23:12,991 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/387 dead transitions. [2025-03-13 22:23:12,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 387 transitions, 930 flow [2025-03-13 22:23:12,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:12,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2025-03-13 22:23:12,994 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2025-03-13 22:23:12,994 INFO L175 Difference]: Start difference. First operand has 369 places, 383 transitions, 886 flow. Second operand 3 states and 1242 transitions. [2025-03-13 22:23:12,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 387 transitions, 930 flow [2025-03-13 22:23:12,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 387 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:12,998 INFO L231 Difference]: Finished difference. Result has 373 places, 385 transitions, 908 flow [2025-03-13 22:23:12,998 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=373, PETRI_TRANSITIONS=385} [2025-03-13 22:23:12,998 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2025-03-13 22:23:12,999 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 385 transitions, 908 flow [2025-03-13 22:23:12,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2025-03-13 22:23:12,999 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:12,999 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] [2025-03-13 22:23:12,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-13 22:23:13,000 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:13,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:13,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1337182795, now seen corresponding path program 1 times [2025-03-13 22:23:13,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:13,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336185602] [2025-03-13 22:23:13,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:13,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:13,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-13 22:23:13,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-13 22:23:13,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:13,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:13,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:13,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336185602] [2025-03-13 22:23:13,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336185602] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:13,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:13,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:13,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259363136] [2025-03-13 22:23:13,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:13,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:13,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:13,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:13,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:13,041 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2025-03-13 22:23:13,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 385 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2025-03-13 22:23:13,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:13,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2025-03-13 22:23:13,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:13,364 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1073] L56-10-->L56-9: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][258], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), Black: 451#true, 457#(= |#race~sort_label_2~0| 0), 479#true, Black: 455#true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork2_#t~short11#1|), 474#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, 367#L56-9true, Black: 442#true, Black: 476#(not |thread3Thread1of1ForFork1_#t~short19#1|), 163#L77true, 453#(= |#race~sort_label_0~0| 0)]) [2025-03-13 22:23:13,365 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2025-03-13 22:23:13,365 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2025-03-13 22:23:13,365 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2025-03-13 22:23:13,365 INFO L297 olderBase$Statistics]: existing Event has 181 ancestors and is cut-off event [2025-03-13 22:23:13,377 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1073] L56-10-->L56-9: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][258], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), Black: 451#true, 457#(= |#race~sort_label_2~0| 0), 479#true, Black: 455#true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork2_#t~short11#1|), Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, 367#L56-9true, Black: 442#true, Black: 474#true, 163#L77true, 476#(not |thread3Thread1of1ForFork1_#t~short19#1|), 453#(= |#race~sort_label_0~0| 0)]) [2025-03-13 22:23:13,377 INFO L294 olderBase$Statistics]: this new event has 173 ancestors and is not cut-off event [2025-03-13 22:23:13,377 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is not cut-off event [2025-03-13 22:23:13,377 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is not cut-off event [2025-03-13 22:23:13,377 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is not cut-off event [2025-03-13 22:23:13,385 INFO L124 PetriNetUnfolderBase]: 392/3250 cut-off events. [2025-03-13 22:23:13,385 INFO L125 PetriNetUnfolderBase]: For 208/236 co-relation queries the response was YES. [2025-03-13 22:23:13,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4302 conditions, 3250 events. 392/3250 cut-off events. For 208/236 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 31553 event pairs, 48 based on Foata normal form. 2/2986 useless extension candidates. Maximal degree in co-relation 3700. Up to 248 conditions per place. [2025-03-13 22:23:13,422 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 12 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2025-03-13 22:23:13,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 386 transitions, 940 flow [2025-03-13 22:23:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2025-03-13 22:23:13,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9604651162790697 [2025-03-13 22:23:13,424 INFO L175 Difference]: Start difference. First operand has 373 places, 385 transitions, 908 flow. Second operand 3 states and 1239 transitions. [2025-03-13 22:23:13,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 386 transitions, 940 flow [2025-03-13 22:23:13,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 386 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:13,429 INFO L231 Difference]: Finished difference. Result has 372 places, 384 transitions, 904 flow [2025-03-13 22:23:13,430 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=904, PETRI_PLACES=372, PETRI_TRANSITIONS=384} [2025-03-13 22:23:13,430 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -20 predicate places. [2025-03-13 22:23:13,430 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 384 transitions, 904 flow [2025-03-13 22:23:13,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2025-03-13 22:23:13,431 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:13,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:13,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-13 22:23:13,431 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:13,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:13,432 INFO L85 PathProgramCache]: Analyzing trace with hash -440044797, now seen corresponding path program 1 times [2025-03-13 22:23:13,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:13,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415647008] [2025-03-13 22:23:13,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:13,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:13,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-13 22:23:13,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-13 22:23:13,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:13,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:13,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:13,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415647008] [2025-03-13 22:23:13,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415647008] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:13,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:13,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:13,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056794918] [2025-03-13 22:23:13,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:13,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:13,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:13,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:13,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:13,482 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 430 [2025-03-13 22:23:13,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 384 transitions, 904 flow. Second operand has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2025-03-13 22:23:13,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:13,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 430 [2025-03-13 22:23:13,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:13,971 INFO L124 PetriNetUnfolderBase]: 388/4741 cut-off events. [2025-03-13 22:23:13,971 INFO L125 PetriNetUnfolderBase]: For 7/17 co-relation queries the response was YES. [2025-03-13 22:23:14,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5737 conditions, 4741 events. 388/4741 cut-off events. For 7/17 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 50268 event pairs, 11 based on Foata normal form. 0/4355 useless extension candidates. Maximal degree in co-relation 5160. Up to 210 conditions per place. [2025-03-13 22:23:14,020 INFO L140 encePairwiseOnDemand]: 428/430 looper letters, 8 selfloop transitions, 1 changer transitions 0/383 dead transitions. [2025-03-13 22:23:14,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 383 transitions, 920 flow [2025-03-13 22:23:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2025-03-13 22:23:14,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9635658914728682 [2025-03-13 22:23:14,022 INFO L175 Difference]: Start difference. First operand has 372 places, 384 transitions, 904 flow. Second operand 3 states and 1243 transitions. [2025-03-13 22:23:14,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 383 transitions, 920 flow [2025-03-13 22:23:14,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 383 transitions, 916 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:14,029 INFO L231 Difference]: Finished difference. Result has 371 places, 383 transitions, 900 flow [2025-03-13 22:23:14,029 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=371, PETRI_TRANSITIONS=383} [2025-03-13 22:23:14,029 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2025-03-13 22:23:14,029 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 383 transitions, 900 flow [2025-03-13 22:23:14,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2025-03-13 22:23:14,030 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:14,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:14,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-13 22:23:14,030 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:14,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:14,031 INFO L85 PathProgramCache]: Analyzing trace with hash -893090630, now seen corresponding path program 1 times [2025-03-13 22:23:14,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:14,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956861911] [2025-03-13 22:23:14,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:14,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:14,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-13 22:23:14,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-13 22:23:14,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:14,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:14,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:14,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956861911] [2025-03-13 22:23:14,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956861911] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:14,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:14,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:14,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941383723] [2025-03-13 22:23:14,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:14,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:14,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:14,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:14,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:14,082 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2025-03-13 22:23:14,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 383 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2025-03-13 22:23:14,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:14,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2025-03-13 22:23:14,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:14,589 INFO L124 PetriNetUnfolderBase]: 447/5342 cut-off events. [2025-03-13 22:23:14,589 INFO L125 PetriNetUnfolderBase]: For 11/35 co-relation queries the response was YES. [2025-03-13 22:23:14,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6362 conditions, 5342 events. 447/5342 cut-off events. For 11/35 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 58415 event pairs, 25 based on Foata normal form. 0/4912 useless extension candidates. Maximal degree in co-relation 6230. Up to 193 conditions per place. [2025-03-13 22:23:14,637 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 10 selfloop transitions, 1 changer transitions 0/381 dead transitions. [2025-03-13 22:23:14,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 381 transitions, 918 flow [2025-03-13 22:23:14,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:14,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:14,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2025-03-13 22:23:14,639 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9589147286821705 [2025-03-13 22:23:14,639 INFO L175 Difference]: Start difference. First operand has 371 places, 383 transitions, 900 flow. Second operand 3 states and 1237 transitions. [2025-03-13 22:23:14,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 381 transitions, 918 flow [2025-03-13 22:23:14,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 381 transitions, 917 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:23:14,643 INFO L231 Difference]: Finished difference. Result has 370 places, 381 transitions, 897 flow [2025-03-13 22:23:14,643 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=370, PETRI_TRANSITIONS=381} [2025-03-13 22:23:14,644 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2025-03-13 22:23:14,644 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 381 transitions, 897 flow [2025-03-13 22:23:14,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2025-03-13 22:23:14,644 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:14,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:14,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-13 22:23:14,645 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-13 22:23:14,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:14,646 INFO L85 PathProgramCache]: Analyzing trace with hash 290312664, now seen corresponding path program 1 times [2025-03-13 22:23:14,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:14,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731672725] [2025-03-13 22:23:14,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:14,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:14,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-13 22:23:14,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-13 22:23:14,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:14,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:14,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:14,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731672725] [2025-03-13 22:23:14,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731672725] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:14,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:14,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:14,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408250571] [2025-03-13 22:23:14,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:14,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:14,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:14,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:14,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:14,691 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2025-03-13 22:23:14,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 381 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2025-03-13 22:23:14,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:14,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2025-03-13 22:23:14,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:14,977 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1078] L56-9-->L56-7: Formula: (= |v_#race~result_8~0_3| |v_thread3Thread1of1ForFork1_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_3|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_8~0][267], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), 485#true, Black: 451#true, 457#(= |#race~sort_label_2~0| 0), Black: 455#true, 440#(= |#race~sort_label_is_null_3~0| 0), 112#L56-7true, Black: 464#(not |thread2Thread1of1ForFork2_#t~short11#1|), 488#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, Black: 442#true, 163#L77true, Black: 476#(not |thread3Thread1of1ForFork1_#t~short19#1|), 453#(= |#race~sort_label_0~0| 0)]) [2025-03-13 22:23:14,977 INFO L294 olderBase$Statistics]: this new event has 182 ancestors and is cut-off event [2025-03-13 22:23:14,977 INFO L297 olderBase$Statistics]: existing Event has 174 ancestors and is cut-off event [2025-03-13 22:23:14,977 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is cut-off event [2025-03-13 22:23:14,977 INFO L297 olderBase$Statistics]: existing Event has 174 ancestors and is cut-off event [2025-03-13 22:23:14,982 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1078] L56-9-->L56-7: Formula: (= |v_#race~result_8~0_3| |v_thread3Thread1of1ForFork1_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_3|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_8~0][267], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), 485#true, Black: 451#true, 457#(= |#race~sort_label_2~0| 0), Black: 455#true, 440#(= |#race~sort_label_is_null_3~0| 0), 112#L56-7true, Black: 464#(not |thread2Thread1of1ForFork2_#t~short11#1|), 488#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 438#true, Black: 470#true, Black: 474#true, Black: 442#true, 163#L77true, 453#(= |#race~sort_label_0~0| 0)]) [2025-03-13 22:23:14,982 INFO L294 olderBase$Statistics]: this new event has 174 ancestors and is not cut-off event [2025-03-13 22:23:14,982 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is not cut-off event [2025-03-13 22:23:14,982 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is not cut-off event [2025-03-13 22:23:14,982 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2025-03-13 22:23:14,989 INFO L124 PetriNetUnfolderBase]: 285/2989 cut-off events. [2025-03-13 22:23:14,989 INFO L125 PetriNetUnfolderBase]: For 38/52 co-relation queries the response was YES. [2025-03-13 22:23:15,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3652 conditions, 2989 events. 285/2989 cut-off events. For 38/52 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 27847 event pairs, 33 based on Foata normal form. 5/2739 useless extension candidates. Maximal degree in co-relation 3575. Up to 150 conditions per place. [2025-03-13 22:23:15,033 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 0 selfloop transitions, 0 changer transitions 379/379 dead transitions. [2025-03-13 22:23:15,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 379 transitions, 913 flow [2025-03-13 22:23:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2025-03-13 22:23:15,035 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.958139534883721 [2025-03-13 22:23:15,035 INFO L175 Difference]: Start difference. First operand has 370 places, 381 transitions, 897 flow. Second operand 3 states and 1236 transitions. [2025-03-13 22:23:15,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 379 transitions, 913 flow [2025-03-13 22:23:15,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 379 transitions, 912 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:23:15,039 INFO L231 Difference]: Finished difference. Result has 369 places, 0 transitions, 0 flow [2025-03-13 22:23:15,039 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=369, PETRI_TRANSITIONS=0} [2025-03-13 22:23:15,040 INFO L279 CegarLoopForPetriNet]: 392 programPoint places, -23 predicate places. [2025-03-13 22:23:15,040 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 0 transitions, 0 flow [2025-03-13 22:23:15,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2025-03-13 22:23:15,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2025-03-13 22:23:15,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (51 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2025-03-13 22:23:15,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2025-03-13 22:23:15,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2025-03-13 22:23:15,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2025-03-13 22:23:15,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2025-03-13 22:23:15,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-13 22:23:15,048 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:15,052 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:23:15,052 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:23:15,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:23:15 BasicIcfg [2025-03-13 22:23:15,059 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:23:15,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:23:15,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:23:15,060 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:23:15,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:06" (3/4) ... [2025-03-13 22:23:15,062 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:23:15,064 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:23:15,064 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:23:15,064 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-13 22:23:15,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-03-13 22:23:15,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:23:15,070 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:23:15,070 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:23:15,135 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:23:15,135 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:23:15,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:23:15,136 INFO L158 Benchmark]: Toolchain (without parser) took 9753.61ms. Allocated memory was 142.6MB in the beginning and 645.9MB in the end (delta: 503.3MB). Free memory was 113.1MB in the beginning and 232.3MB in the end (delta: -119.1MB). Peak memory consumption was 378.6MB. Max. memory is 16.1GB. [2025-03-13 22:23:15,136 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:23:15,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.54ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 100.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:23:15,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.40ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 98.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:23:15,139 INFO L158 Benchmark]: Boogie Preprocessor took 27.04ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:23:15,139 INFO L158 Benchmark]: IcfgBuilder took 540.83ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 69.3MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-13 22:23:15,139 INFO L158 Benchmark]: TraceAbstraction took 8890.33ms. Allocated memory was 142.6MB in the beginning and 645.9MB in the end (delta: 503.3MB). Free memory was 68.9MB in the beginning and 240.6MB in the end (delta: -171.8MB). Peak memory consumption was 336.7MB. Max. memory is 16.1GB. [2025-03-13 22:23:15,140 INFO L158 Benchmark]: Witness Printer took 75.23ms. Allocated memory is still 645.9MB. Free memory was 240.6MB in the beginning and 232.3MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:23:15,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.54ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 100.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.40ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 98.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.04ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 540.83ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 69.3MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8890.33ms. Allocated memory was 142.6MB in the beginning and 645.9MB in the end (delta: 503.3MB). Free memory was 68.9MB in the beginning and 240.6MB in the end (delta: -171.8MB). Peak memory consumption was 336.7MB. Max. memory is 16.1GB. * Witness Printer took 75.23ms. Allocated memory is still 645.9MB. Free memory was 240.6MB in the beginning and 232.3MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 50]: 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: 50]: 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: 50]: 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: 50]: 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: 50]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 68]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 674 locations, 80 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: 8.7s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 550 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 648 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 131 mSDtfsCounter, 648 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=908occurred in iteration=17, InterpolantAutomatonStates: 63, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1874 NumberOfCodeBlocks, 1874 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1853 ConstructedInterpolants, 0 QuantifiedInterpolants, 1892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:23:15,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE