./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 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/bench-exp1x3.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 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:10:47,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:10:47,301 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:10:47,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:10:47,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:10:47,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:10:47,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:10:47,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:10:47,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:10:47,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:10:47,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:10:47,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:10:47,335 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:10:47,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:10:47,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:10:47,336 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:10:47,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:10:47,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:10:47,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:10:47,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:10:47,337 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:10:47,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:10:47,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:10:47,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:10:47,338 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:10:47,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:10:47,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:10:47,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:10:47,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:10:47,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:10:47,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:10:47,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:10:47,339 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 -> 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d [2025-03-17 11:10:47,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:10:47,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:10:47,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:10:47,590 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:10:47,591 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:10:47,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2025-03-17 11:10:48,750 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc863dbca/0db5de5e710046208292a98dac7c2d12/FLAGe2ec89cc1 [2025-03-17 11:10:48,964 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:10:48,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2025-03-17 11:10:48,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc863dbca/0db5de5e710046208292a98dac7c2d12/FLAGe2ec89cc1 [2025-03-17 11:10:49,315 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc863dbca/0db5de5e710046208292a98dac7c2d12 [2025-03-17 11:10:49,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:10:49,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:10:49,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:10:49,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:10:49,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:10:49,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6812484a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49, skipping insertion in model container [2025-03-17 11:10:49,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:10:49,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:10:49,467 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:10:49,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:10:49,500 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:10:49,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49 WrapperNode [2025-03-17 11:10:49,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:10:49,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:10:49,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:10:49,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:10:49,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,526 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2025-03-17 11:10:49,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:10:49,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:10:49,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:10:49,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:10:49,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,545 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:10:49,555 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:10:49,556 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:10:49,556 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:10:49,556 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (1/1) ... [2025-03-17 11:10:49,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:10:49,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:10:49,587 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) [2025-03-17 11:10:49,589 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 [2025-03-17 11:10:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:10:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-17 11:10:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-17 11:10:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-17 11:10:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-17 11:10:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:10:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:10:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:10:49,609 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:10:49,671 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:10:49,673 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:10:49,822 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:10:49,822 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:10:49,832 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:10:49,833 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:10:49,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:10:49 BoogieIcfgContainer [2025-03-17 11:10:49,834 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:10:49,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:10:49,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:10:49,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:10:49,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:10:49" (1/3) ... [2025-03-17 11:10:49,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c78d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:10:49, skipping insertion in model container [2025-03-17 11:10:49,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:10:49" (2/3) ... [2025-03-17 11:10:49,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c78d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:10:49, skipping insertion in model container [2025-03-17 11:10:49,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:10:49" (3/3) ... [2025-03-17 11:10:49,841 INFO L128 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2025-03-17 11:10:49,854 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:10:49,860 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp1x3.wvr.c that has 3 procedures, 139 locations, 1 initial locations, 2 loop locations, and 18 error locations. [2025-03-17 11:10:49,860 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:10:49,922 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-17 11:10:49,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 304 flow [2025-03-17 11:10:49,999 INFO L124 PetriNetUnfolderBase]: 7/143 cut-off events. [2025-03-17 11:10:50,001 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 11:10:50,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 143 events. 7/143 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 168 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2025-03-17 11:10:50,007 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 145 transitions, 304 flow [2025-03-17 11:10:50,013 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 126 transitions, 264 flow [2025-03-17 11:10:50,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:10:50,029 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;@46cb3cd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:10:50,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2025-03-17 11:10:50,036 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:10:50,039 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2025-03-17 11:10:50,039 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:10:50,040 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:10:50,040 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:10:50,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-17 11:10:50,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:10:50,046 INFO L85 PathProgramCache]: Analyzing trace with hash 916741861, now seen corresponding path program 1 times [2025-03-17 11:10:50,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:10:50,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088535351] [2025-03-17 11:10:50,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:10:50,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:10:50,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 11:10:50,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 11:10:50,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:10:50,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:10:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:10:50,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:10:50,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088535351] [2025-03-17 11:10:50,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088535351] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:10:50,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:10:50,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:10:50,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495257528] [2025-03-17 11:10:50,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:10:50,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:10:50,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:10:50,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:10:50,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:10:50,241 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 145 [2025-03-17 11:10:50,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 126 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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) [2025-03-17 11:10:50,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:10:50,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 145 [2025-03-17 11:10:50,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:10:50,296 INFO L124 PetriNetUnfolderBase]: 8/149 cut-off events. [2025-03-17 11:10:50,297 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-17 11:10:50,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 149 events. 8/149 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 321 event pairs, 4 based on Foata normal form. 7/129 useless extension candidates. Maximal degree in co-relation 105. Up to 24 conditions per place. [2025-03-17 11:10:50,299 INFO L140 encePairwiseOnDemand]: 139/145 looper letters, 14 selfloop transitions, 2 changer transitions 1/122 dead transitions. [2025-03-17 11:10:50,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 288 flow [2025-03-17 11:10:50,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:10:50,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:10:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2025-03-17 11:10:50,311 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8873563218390804 [2025-03-17 11:10:50,312 INFO L175 Difference]: Start difference. First operand has 127 places, 126 transitions, 264 flow. Second operand 3 states and 386 transitions. [2025-03-17 11:10:50,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 288 flow [2025-03-17 11:10:50,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 122 transitions, 280 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-17 11:10:50,318 INFO L231 Difference]: Finished difference. Result has 124 places, 121 transitions, 250 flow [2025-03-17 11:10:50,323 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=124, PETRI_TRANSITIONS=121} [2025-03-17 11:10:50,326 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2025-03-17 11:10:50,326 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 121 transitions, 250 flow [2025-03-17 11:10:50,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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) [2025-03-17 11:10:50,327 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:10:50,327 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] [2025-03-17 11:10:50,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:10:50,327 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-17 11:10:50,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:10:50,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1517802259, now seen corresponding path program 1 times [2025-03-17 11:10:50,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:10:50,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453324827] [2025-03-17 11:10:50,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:10:50,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:10:50,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 11:10:50,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 11:10:50,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:10:50,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:10:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:10:50,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:10:50,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453324827] [2025-03-17 11:10:50,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453324827] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:10:50,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:10:50,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:10:50,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383808087] [2025-03-17 11:10:50,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:10:50,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:10:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:10:50,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:10:50,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:10:50,391 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 145 [2025-03-17 11:10:50,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2025-03-17 11:10:50,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:10:50,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 145 [2025-03-17 11:10:50,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:10:50,440 INFO L124 PetriNetUnfolderBase]: 8/147 cut-off events. [2025-03-17 11:10:50,440 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-03-17 11:10:50,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 8/147 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 299 event pairs, 4 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 152. Up to 23 conditions per place. [2025-03-17 11:10:50,441 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 13 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2025-03-17 11:10:50,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 278 flow [2025-03-17 11:10:50,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:10:50,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:10:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2025-03-17 11:10:50,443 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2025-03-17 11:10:50,443 INFO L175 Difference]: Start difference. First operand has 124 places, 121 transitions, 250 flow. Second operand 3 states and 385 transitions. [2025-03-17 11:10:50,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 120 transitions, 278 flow [2025-03-17 11:10:50,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 120 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:10:50,446 INFO L231 Difference]: Finished difference. Result has 122 places, 120 transitions, 248 flow [2025-03-17 11:10:50,446 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=122, PETRI_TRANSITIONS=120} [2025-03-17 11:10:50,446 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2025-03-17 11:10:50,446 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 120 transitions, 248 flow [2025-03-17 11:10:50,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2025-03-17 11:10:50,447 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:10:50,447 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] [2025-03-17 11:10:50,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:10:50,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-17 11:10:50,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:10:50,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1221041617, now seen corresponding path program 1 times [2025-03-17 11:10:50,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:10:50,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694244960] [2025-03-17 11:10:50,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:10:50,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:10:50,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 11:10:50,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 11:10:50,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:10:50,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:10:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:10:50,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:10:50,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694244960] [2025-03-17 11:10:50,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694244960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:10:50,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:10:50,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:10:50,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847618723] [2025-03-17 11:10:50,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:10:50,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:10:50,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:10:50,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:10:50,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:10:50,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 145 [2025-03-17 11:10:50,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2025-03-17 11:10:50,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:10:50,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 145 [2025-03-17 11:10:50,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:10:50,540 INFO L124 PetriNetUnfolderBase]: 8/169 cut-off events. [2025-03-17 11:10:50,543 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 11:10:50,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 169 events. 8/169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 380 event pairs, 3 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 163. Up to 18 conditions per place. [2025-03-17 11:10:50,545 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2025-03-17 11:10:50,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 119 transitions, 268 flow [2025-03-17 11:10:50,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:10:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:10:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2025-03-17 11:10:50,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.903448275862069 [2025-03-17 11:10:50,548 INFO L175 Difference]: Start difference. First operand has 122 places, 120 transitions, 248 flow. Second operand 3 states and 393 transitions. [2025-03-17 11:10:50,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 119 transitions, 268 flow [2025-03-17 11:10:50,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:10:50,551 INFO L231 Difference]: Finished difference. Result has 121 places, 119 transitions, 246 flow [2025-03-17 11:10:50,552 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=121, PETRI_TRANSITIONS=119} [2025-03-17 11:10:50,552 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -6 predicate places. [2025-03-17 11:10:50,553 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 119 transitions, 246 flow [2025-03-17 11:10:50,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2025-03-17 11:10:50,553 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:10:50,553 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] [2025-03-17 11:10:50,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 11:10:50,554 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-17 11:10:50,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:10:50,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1019373147, now seen corresponding path program 1 times [2025-03-17 11:10:50,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:10:50,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034541152] [2025-03-17 11:10:50,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:10:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:10:50,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 11:10:50,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 11:10:50,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:10:50,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:10:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:10:50,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:10:50,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034541152] [2025-03-17 11:10:50,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034541152] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:10:50,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:10:50,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:10:50,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889977360] [2025-03-17 11:10:50,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:10:50,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:10:50,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:10:50,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:10:50,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:10:50,621 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2025-03-17 11:10:50,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 119 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2025-03-17 11:10:50,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:10:50,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2025-03-17 11:10:50,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:10:50,650 INFO L124 PetriNetUnfolderBase]: 11/141 cut-off events. [2025-03-17 11:10:50,651 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 11:10:50,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 141 events. 11/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 314 event pairs, 6 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 149. Up to 30 conditions per place. [2025-03-17 11:10:50,652 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 17 selfloop transitions, 3 changer transitions 0/115 dead transitions. [2025-03-17 11:10:50,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 115 transitions, 279 flow [2025-03-17 11:10:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:10:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:10:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2025-03-17 11:10:50,653 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8597701149425288 [2025-03-17 11:10:50,653 INFO L175 Difference]: Start difference. First operand has 121 places, 119 transitions, 246 flow. Second operand 3 states and 374 transitions. [2025-03-17 11:10:50,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 115 transitions, 279 flow [2025-03-17 11:10:50,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 115 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:10:50,656 INFO L231 Difference]: Finished difference. Result has 116 places, 114 transitions, 243 flow [2025-03-17 11:10:50,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=116, PETRI_TRANSITIONS=114} [2025-03-17 11:10:50,656 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -11 predicate places. [2025-03-17 11:10:50,656 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 114 transitions, 243 flow [2025-03-17 11:10:50,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2025-03-17 11:10:50,657 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:10:50,657 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] [2025-03-17 11:10:50,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 11:10:50,657 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-17 11:10:50,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:10:50,658 INFO L85 PathProgramCache]: Analyzing trace with hash -365044547, now seen corresponding path program 1 times [2025-03-17 11:10:50,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:10:50,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279564712] [2025-03-17 11:10:50,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:10:50,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:10:50,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 11:10:50,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 11:10:50,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:10:50,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:10:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:10:50,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:10:50,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279564712] [2025-03-17 11:10:50,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279564712] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:10:50,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:10:50,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:10:50,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395011452] [2025-03-17 11:10:50,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:10:50,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:10:50,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:10:50,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:10:50,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:10:50,719 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 145 [2025-03-17 11:10:50,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 114 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2025-03-17 11:10:50,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:10:50,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 145 [2025-03-17 11:10:50,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:10:50,746 INFO L124 PetriNetUnfolderBase]: 11/137 cut-off events. [2025-03-17 11:10:50,747 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2025-03-17 11:10:50,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 137 events. 11/137 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 279 event pairs, 6 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 130. Up to 27 conditions per place. [2025-03-17 11:10:50,747 INFO L140 encePairwiseOnDemand]: 137/145 looper letters, 12 selfloop transitions, 3 changer transitions 4/111 dead transitions. [2025-03-17 11:10:50,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 111 transitions, 272 flow [2025-03-17 11:10:50,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:10:50,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:10:50,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2025-03-17 11:10:50,751 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.871264367816092 [2025-03-17 11:10:50,751 INFO L175 Difference]: Start difference. First operand has 116 places, 114 transitions, 243 flow. Second operand 3 states and 379 transitions. [2025-03-17 11:10:50,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 111 transitions, 272 flow [2025-03-17 11:10:50,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 111 transitions, 269 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:10:50,753 INFO L231 Difference]: Finished difference. Result has 113 places, 106 transitions, 234 flow [2025-03-17 11:10:50,753 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=113, PETRI_TRANSITIONS=106} [2025-03-17 11:10:50,755 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -14 predicate places. [2025-03-17 11:10:50,755 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 106 transitions, 234 flow [2025-03-17 11:10:50,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2025-03-17 11:10:50,758 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:10:50,758 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] [2025-03-17 11:10:50,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 11:10:50,758 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-17 11:10:50,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:10:50,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1068013017, now seen corresponding path program 1 times [2025-03-17 11:10:50,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:10:50,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790855122] [2025-03-17 11:10:50,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:10:50,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:10:50,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-17 11:10:50,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-17 11:10:50,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:10:50,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:10:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:10:50,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:10:50,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790855122] [2025-03-17 11:10:50,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790855122] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:10:50,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:10:50,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:10:50,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856751562] [2025-03-17 11:10:50,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:10:50,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:10:50,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:10:50,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:10:50,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:10:50,816 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 145 [2025-03-17 11:10:50,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 106 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2025-03-17 11:10:50,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:10:50,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 145 [2025-03-17 11:10:50,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:10:50,839 INFO L124 PetriNetUnfolderBase]: 17/210 cut-off events. [2025-03-17 11:10:50,839 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-17 11:10:50,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 210 events. 17/210 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 609 event pairs, 4 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 184. Up to 29 conditions per place. [2025-03-17 11:10:50,840 INFO L140 encePairwiseOnDemand]: 141/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2025-03-17 11:10:50,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 107 transitions, 259 flow [2025-03-17 11:10:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:10:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:10:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2025-03-17 11:10:50,844 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9195402298850575 [2025-03-17 11:10:50,845 INFO L175 Difference]: Start difference. First operand has 113 places, 106 transitions, 234 flow. Second operand 3 states and 400 transitions. [2025-03-17 11:10:50,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 107 transitions, 259 flow [2025-03-17 11:10:50,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 107 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:10:50,847 INFO L231 Difference]: Finished difference. Result has 109 places, 106 transitions, 241 flow [2025-03-17 11:10:50,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2025-03-17 11:10:50,848 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -18 predicate places. [2025-03-17 11:10:50,848 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 241 flow [2025-03-17 11:10:50,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2025-03-17 11:10:50,849 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:10:50,849 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] [2025-03-17 11:10:50,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 11:10:50,849 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-17 11:10:50,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:10:50,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1807898777, now seen corresponding path program 1 times [2025-03-17 11:10:50,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:10:50,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349877597] [2025-03-17 11:10:50,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:10:50,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:10:50,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 11:10:50,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 11:10:50,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:10:50,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:10:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:10:50,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:10:50,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349877597] [2025-03-17 11:10:50,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349877597] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:10:50,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:10:50,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:10:50,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637311176] [2025-03-17 11:10:50,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:10:50,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:10:50,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:10:50,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:10:50,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:10:50,939 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 145 [2025-03-17 11:10:50,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2025-03-17 11:10:50,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:10:50,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 145 [2025-03-17 11:10:50,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:10:50,966 INFO L124 PetriNetUnfolderBase]: 15/156 cut-off events. [2025-03-17 11:10:50,966 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-17 11:10:50,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 156 events. 15/156 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 366 event pairs, 6 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 127. Up to 25 conditions per place. [2025-03-17 11:10:50,967 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 13 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2025-03-17 11:10:50,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 106 transitions, 272 flow [2025-03-17 11:10:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:10:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:10:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2025-03-17 11:10:50,968 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8896551724137931 [2025-03-17 11:10:50,968 INFO L175 Difference]: Start difference. First operand has 109 places, 106 transitions, 241 flow. Second operand 3 states and 387 transitions. [2025-03-17 11:10:50,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 106 transitions, 272 flow [2025-03-17 11:10:50,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 106 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:10:50,970 INFO L231 Difference]: Finished difference. Result has 110 places, 105 transitions, 243 flow [2025-03-17 11:10:50,970 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=110, PETRI_TRANSITIONS=105} [2025-03-17 11:10:50,971 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -17 predicate places. [2025-03-17 11:10:50,971 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 105 transitions, 243 flow [2025-03-17 11:10:50,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2025-03-17 11:10:50,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:10:50,971 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] [2025-03-17 11:10:50,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 11:10:50,972 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-17 11:10:50,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:10:50,972 INFO L85 PathProgramCache]: Analyzing trace with hash -148306740, now seen corresponding path program 1 times [2025-03-17 11:10:50,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:10:50,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756638467] [2025-03-17 11:10:50,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:10:50,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:10:50,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 11:10:50,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 11:10:50,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:10:50,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:10:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:10:51,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:10:51,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756638467] [2025-03-17 11:10:51,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756638467] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:10:51,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:10:51,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:10:51,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979744126] [2025-03-17 11:10:51,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:10:51,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:10:51,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:10:51,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:10:51,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:10:51,066 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 145 [2025-03-17 11:10:51,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 105 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2025-03-17 11:10:51,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:10:51,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 145 [2025-03-17 11:10:51,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:10:51,085 INFO L124 PetriNetUnfolderBase]: 15/152 cut-off events. [2025-03-17 11:10:51,085 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2025-03-17 11:10:51,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 152 events. 15/152 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 319 event pairs, 5 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 203. Up to 29 conditions per place. [2025-03-17 11:10:51,086 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 0 selfloop transitions, 0 changer transitions 105/105 dead transitions. [2025-03-17 11:10:51,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 272 flow [2025-03-17 11:10:51,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:10:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:10:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2025-03-17 11:10:51,087 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8942528735632184 [2025-03-17 11:10:51,088 INFO L175 Difference]: Start difference. First operand has 110 places, 105 transitions, 243 flow. Second operand 3 states and 389 transitions. [2025-03-17 11:10:51,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 272 flow [2025-03-17 11:10:51,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 105 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:10:51,094 INFO L231 Difference]: Finished difference. Result has 109 places, 0 transitions, 0 flow [2025-03-17 11:10:51,094 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=109, PETRI_TRANSITIONS=0} [2025-03-17 11:10:51,095 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -18 predicate places. [2025-03-17 11:10:51,095 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 0 transitions, 0 flow [2025-03-17 11:10:51,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2025-03-17 11:10:51,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2025-03-17 11:10:51,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2025-03-17 11:10:51,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2025-03-17 11:10:51,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2025-03-17 11:10:51,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2025-03-17 11:10:51,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2025-03-17 11:10:51,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2025-03-17 11:10:51,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2025-03-17 11:10:51,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2025-03-17 11:10:51,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2025-03-17 11:10:51,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 11:10:51,101 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:10:51,105 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 11:10:51,105 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 11:10:51,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:10:51 BasicIcfg [2025-03-17 11:10:51,109 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 11:10:51,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 11:10:51,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 11:10:51,110 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 11:10:51,111 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:10:49" (3/4) ... [2025-03-17 11:10:51,112 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 11:10:51,114 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-17 11:10:51,114 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-17 11:10:51,117 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-17 11:10:51,117 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-17 11:10:51,117 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 11:10:51,117 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 11:10:51,183 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 11:10:51,184 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 11:10:51,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 11:10:51,185 INFO L158 Benchmark]: Toolchain (without parser) took 1867.03ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 86.4MB in the end (delta: 24.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2025-03-17 11:10:51,185 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:10:51,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.28ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 99.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 11:10:51,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.41ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:10:51,186 INFO L158 Benchmark]: Boogie Preprocessor took 25.96ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 97.8MB in the end (delta: 281.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:10:51,187 INFO L158 Benchmark]: IcfgBuilder took 278.23ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 82.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 11:10:51,188 INFO L158 Benchmark]: TraceAbstraction took 1274.14ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 92.1MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:10:51,189 INFO L158 Benchmark]: Witness Printer took 74.12ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 86.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 11:10:51,189 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 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.28ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 99.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.41ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.96ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 97.8MB in the end (delta: 281.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 278.23ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 82.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1274.14ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 92.1MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.12ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 86.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 187 locations, 197 edges, 30 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: 1.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 307 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 95 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 11:10:51,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE