./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 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/goblint-regression/06-symbeq_11-equ_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:45:31,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:45:31,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:45:31,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:45:31,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:45:31,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:45:31,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:45:31,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:45:31,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:45:31,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:45:31,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:45:31,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:45:31,414 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:45:31,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:45:31,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:45:31,415 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:45:31,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:45:31,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:45:31,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:45:31,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:45:31,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:45:31,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:45:31,416 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:45:31,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:45:31,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:45:31,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:45:31,417 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 -> 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 [2025-03-04 06:45:31,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:45:31,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:45:31,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:45:31,655 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:45:31,655 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:45:31,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2025-03-04 06:45:32,801 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fa579ea/140b639aa67740d1b9f1411bdf96ee2d/FLAG177998dce [2025-03-04 06:45:33,066 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:45:33,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2025-03-04 06:45:33,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fa579ea/140b639aa67740d1b9f1411bdf96ee2d/FLAG177998dce [2025-03-04 06:45:33,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fa579ea/140b639aa67740d1b9f1411bdf96ee2d [2025-03-04 06:45:33,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:45:33,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:45:33,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:45:33,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:45:33,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:45:33,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67474227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33, skipping insertion in model container [2025-03-04 06:45:33,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:45:33,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:45:33,712 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:45:33,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:45:33,775 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:45:33,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33 WrapperNode [2025-03-04 06:45:33,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:45:33,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:45:33,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:45:33,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:45:33,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,807 INFO L138 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2025-03-04 06:45:33,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:45:33,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:45:33,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:45:33,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:45:33,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,818 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:45:33,821 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:45:33,821 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:45:33,822 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:45:33,822 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (1/1) ... [2025-03-04 06:45:33,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:45:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:45:33,846 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) [2025-03-04 06:45:33,848 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 [2025-03-04 06:45:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-04 06:45:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 06:45:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-04 06:45:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:45:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-04 06:45:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-04 06:45:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:45:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:45:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:45:33,864 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:45:33,968 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:45:33,969 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:45:34,105 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:45:34,105 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:45:34,122 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:45:34,122 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:45:34,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:45:34 BoogieIcfgContainer [2025-03-04 06:45:34,122 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:45:34,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:45:34,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:45:34,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:45:34,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:45:33" (1/3) ... [2025-03-04 06:45:34,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22062efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:45:34, skipping insertion in model container [2025-03-04 06:45:34,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:45:33" (2/3) ... [2025-03-04 06:45:34,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22062efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:45:34, skipping insertion in model container [2025-03-04 06:45:34,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:45:34" (3/3) ... [2025-03-04 06:45:34,129 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2025-03-04 06:45:34,141 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:45:34,143 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_11-equ_nr.i that has 2 procedures, 88 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-04 06:45:34,144 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:45:34,190 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-04 06:45:34,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 182 flow [2025-03-04 06:45:34,264 INFO L124 PetriNetUnfolderBase]: 1/91 cut-off events. [2025-03-04 06:45:34,268 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:45:34,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 1/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2025-03-04 06:45:34,270 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 182 flow [2025-03-04 06:45:34,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 86 transitions, 175 flow [2025-03-04 06:45:34,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:45:34,287 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;@4974449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:45:34,287 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 06:45:34,301 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:45:34,302 INFO L124 PetriNetUnfolderBase]: 1/70 cut-off events. [2025-03-04 06:45:34,302 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:45:34,302 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:45:34,302 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] [2025-03-04 06:45:34,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:45:34,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:45:34,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1635534736, now seen corresponding path program 1 times [2025-03-04 06:45:34,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:45:34,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323221861] [2025-03-04 06:45:34,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:45:34,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:45:34,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 06:45:34,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 06:45:34,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:45:34,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:45:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:45:35,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:45:35,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323221861] [2025-03-04 06:45:35,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323221861] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:45:35,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:45:35,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:45:35,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356740796] [2025-03-04 06:45:35,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:45:35,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:45:35,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:45:35,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:45:35,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:45:35,164 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 89 [2025-03-04 06:45:35,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 175 flow. Second operand has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 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) [2025-03-04 06:45:35,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:45:35,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 89 [2025-03-04 06:45:35,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:45:35,305 INFO L124 PetriNetUnfolderBase]: 79/333 cut-off events. [2025-03-04 06:45:35,305 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-04 06:45:35,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 333 events. 79/333 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1423 event pairs, 25 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 459. Up to 130 conditions per place. [2025-03-04 06:45:35,308 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 21 selfloop transitions, 22 changer transitions 4/115 dead transitions. [2025-03-04 06:45:35,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 115 transitions, 327 flow [2025-03-04 06:45:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:45:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:45:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 474 transitions. [2025-03-04 06:45:35,328 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8876404494382022 [2025-03-04 06:45:35,329 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 175 flow. Second operand 6 states and 474 transitions. [2025-03-04 06:45:35,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 115 transitions, 327 flow [2025-03-04 06:45:35,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 115 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:45:35,337 INFO L231 Difference]: Finished difference. Result has 98 places, 107 transitions, 324 flow [2025-03-04 06:45:35,340 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=98, PETRI_TRANSITIONS=107} [2025-03-04 06:45:35,345 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 9 predicate places. [2025-03-04 06:45:35,345 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 107 transitions, 324 flow [2025-03-04 06:45:35,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 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) [2025-03-04 06:45:35,347 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:45:35,347 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] [2025-03-04 06:45:35,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:45:35,347 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:45:35,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:45:35,349 INFO L85 PathProgramCache]: Analyzing trace with hash -523393511, now seen corresponding path program 1 times [2025-03-04 06:45:35,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:45:35,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929429175] [2025-03-04 06:45:35,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:45:35,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:45:35,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 06:45:35,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 06:45:35,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:45:35,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:45:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:45:35,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:45:35,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929429175] [2025-03-04 06:45:35,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929429175] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:45:35,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:45:35,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:45:35,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838266470] [2025-03-04 06:45:35,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:45:35,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:45:35,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:45:35,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:45:35,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:45:35,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 89 [2025-03-04 06:45:35,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 107 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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) [2025-03-04 06:45:35,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:45:35,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 89 [2025-03-04 06:45:35,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:45:35,806 INFO L124 PetriNetUnfolderBase]: 132/466 cut-off events. [2025-03-04 06:45:35,806 INFO L125 PetriNetUnfolderBase]: For 136/144 co-relation queries the response was YES. [2025-03-04 06:45:35,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 466 events. 132/466 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2210 event pairs, 31 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 995. Up to 218 conditions per place. [2025-03-04 06:45:35,811 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 39 selfloop transitions, 29 changer transitions 7/142 dead transitions. [2025-03-04 06:45:35,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 142 transitions, 614 flow [2025-03-04 06:45:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:45:35,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:45:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 459 transitions. [2025-03-04 06:45:35,813 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8595505617977528 [2025-03-04 06:45:35,813 INFO L175 Difference]: Start difference. First operand has 98 places, 107 transitions, 324 flow. Second operand 6 states and 459 transitions. [2025-03-04 06:45:35,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 142 transitions, 614 flow [2025-03-04 06:45:35,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 142 transitions, 614 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:45:35,819 INFO L231 Difference]: Finished difference. Result has 108 places, 131 transitions, 578 flow [2025-03-04 06:45:35,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=108, PETRI_TRANSITIONS=131} [2025-03-04 06:45:35,821 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 19 predicate places. [2025-03-04 06:45:35,822 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 131 transitions, 578 flow [2025-03-04 06:45:35,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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) [2025-03-04 06:45:35,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:45:35,822 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] [2025-03-04 06:45:35,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:45:35,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:45:35,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:45:35,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1668552632, now seen corresponding path program 1 times [2025-03-04 06:45:35,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:45:35,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319858877] [2025-03-04 06:45:35,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:45:35,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:45:35,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 06:45:35,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 06:45:35,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:45:35,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:45:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:45:36,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:45:36,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319858877] [2025-03-04 06:45:36,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319858877] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:45:36,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:45:36,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 06:45:36,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232545999] [2025-03-04 06:45:36,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:45:36,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 06:45:36,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:45:36,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 06:45:36,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-04 06:45:36,264 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 89 [2025-03-04 06:45:36,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 131 transitions, 578 flow. Second operand has 7 states, 7 states have (on average 75.71428571428571) internal successors, (530), 7 states have internal predecessors, (530), 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) [2025-03-04 06:45:36,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:45:36,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 89 [2025-03-04 06:45:36,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:45:36,371 INFO L124 PetriNetUnfolderBase]: 88/440 cut-off events. [2025-03-04 06:45:36,372 INFO L125 PetriNetUnfolderBase]: For 187/192 co-relation queries the response was YES. [2025-03-04 06:45:36,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 440 events. 88/440 cut-off events. For 187/192 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2204 event pairs, 5 based on Foata normal form. 2/439 useless extension candidates. Maximal degree in co-relation 847. Up to 86 conditions per place. [2025-03-04 06:45:36,374 INFO L140 encePairwiseOnDemand]: 81/89 looper letters, 11 selfloop transitions, 4 changer transitions 16/143 dead transitions. [2025-03-04 06:45:36,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 143 transitions, 658 flow [2025-03-04 06:45:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 06:45:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-04 06:45:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 547 transitions. [2025-03-04 06:45:36,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8780096308186196 [2025-03-04 06:45:36,377 INFO L175 Difference]: Start difference. First operand has 108 places, 131 transitions, 578 flow. Second operand 7 states and 547 transitions. [2025-03-04 06:45:36,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 143 transitions, 658 flow [2025-03-04 06:45:36,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 143 transitions, 640 flow, removed 9 selfloop flow, removed 0 redundant places. [2025-03-04 06:45:36,386 INFO L231 Difference]: Finished difference. Result has 117 places, 126 transitions, 568 flow [2025-03-04 06:45:36,386 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=568, PETRI_PLACES=117, PETRI_TRANSITIONS=126} [2025-03-04 06:45:36,386 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 28 predicate places. [2025-03-04 06:45:36,386 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 126 transitions, 568 flow [2025-03-04 06:45:36,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 75.71428571428571) internal successors, (530), 7 states have internal predecessors, (530), 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) [2025-03-04 06:45:36,387 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:45:36,387 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] [2025-03-04 06:45:36,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:45:36,387 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:45:36,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:45:36,388 INFO L85 PathProgramCache]: Analyzing trace with hash 216125896, now seen corresponding path program 1 times [2025-03-04 06:45:36,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:45:36,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332545796] [2025-03-04 06:45:36,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:45:36,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:45:36,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 06:45:36,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 06:45:36,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:45:36,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:45:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:45:36,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:45:36,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332545796] [2025-03-04 06:45:36,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332545796] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:45:36,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:45:36,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 06:45:36,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368860925] [2025-03-04 06:45:36,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:45:36,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 06:45:36,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:45:36,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 06:45:36,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-04 06:45:37,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-04 06:45:37,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 126 transitions, 568 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2025-03-04 06:45:37,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:45:37,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-04 06:45:37,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:45:37,481 INFO L124 PetriNetUnfolderBase]: 129/445 cut-off events. [2025-03-04 06:45:37,482 INFO L125 PetriNetUnfolderBase]: For 436/436 co-relation queries the response was YES. [2025-03-04 06:45:37,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1385 conditions, 445 events. 129/445 cut-off events. For 436/436 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2114 event pairs, 22 based on Foata normal form. 11/452 useless extension candidates. Maximal degree in co-relation 1320. Up to 89 conditions per place. [2025-03-04 06:45:37,485 INFO L140 encePairwiseOnDemand]: 77/89 looper letters, 62 selfloop transitions, 32 changer transitions 23/175 dead transitions. [2025-03-04 06:45:37,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 175 transitions, 1110 flow [2025-03-04 06:45:37,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 06:45:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 06:45:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 756 transitions. [2025-03-04 06:45:37,490 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7722165474974464 [2025-03-04 06:45:37,491 INFO L175 Difference]: Start difference. First operand has 117 places, 126 transitions, 568 flow. Second operand 11 states and 756 transitions. [2025-03-04 06:45:37,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 175 transitions, 1110 flow [2025-03-04 06:45:37,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 175 transitions, 1059 flow, removed 21 selfloop flow, removed 5 redundant places. [2025-03-04 06:45:37,497 INFO L231 Difference]: Finished difference. Result has 121 places, 127 transitions, 664 flow [2025-03-04 06:45:37,497 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=664, PETRI_PLACES=121, PETRI_TRANSITIONS=127} [2025-03-04 06:45:37,497 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places. [2025-03-04 06:45:37,497 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 127 transitions, 664 flow [2025-03-04 06:45:37,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2025-03-04 06:45:37,498 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:45:37,498 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] [2025-03-04 06:45:37,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:45:37,498 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:45:37,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:45:37,499 INFO L85 PathProgramCache]: Analyzing trace with hash 751490182, now seen corresponding path program 1 times [2025-03-04 06:45:37,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:45:37,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513798393] [2025-03-04 06:45:37,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:45:37,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:45:37,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 06:45:37,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 06:45:37,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:45:37,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:45:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:45:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:45:37,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513798393] [2025-03-04 06:45:37,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513798393] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:45:37,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:45:37,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 06:45:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977769236] [2025-03-04 06:45:37,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:45:37,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 06:45:37,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:45:37,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 06:45:37,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-04 06:45:38,199 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-04 06:45:38,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 127 transitions, 664 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2025-03-04 06:45:38,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:45:38,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-04 06:45:38,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:45:38,427 INFO L124 PetriNetUnfolderBase]: 105/385 cut-off events. [2025-03-04 06:45:38,428 INFO L125 PetriNetUnfolderBase]: For 620/646 co-relation queries the response was YES. [2025-03-04 06:45:38,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 385 events. 105/385 cut-off events. For 620/646 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1698 event pairs, 20 based on Foata normal form. 16/398 useless extension candidates. Maximal degree in co-relation 1308. Up to 82 conditions per place. [2025-03-04 06:45:38,431 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 45 selfloop transitions, 28 changer transitions 33/157 dead transitions. [2025-03-04 06:45:38,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 157 transitions, 1136 flow [2025-03-04 06:45:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 06:45:38,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 06:45:38,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 682 transitions. [2025-03-04 06:45:38,433 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7662921348314606 [2025-03-04 06:45:38,433 INFO L175 Difference]: Start difference. First operand has 121 places, 127 transitions, 664 flow. Second operand 10 states and 682 transitions. [2025-03-04 06:45:38,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 157 transitions, 1136 flow [2025-03-04 06:45:38,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 157 transitions, 1086 flow, removed 8 selfloop flow, removed 7 redundant places. [2025-03-04 06:45:38,443 INFO L231 Difference]: Finished difference. Result has 121 places, 108 transitions, 551 flow [2025-03-04 06:45:38,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=551, PETRI_PLACES=121, PETRI_TRANSITIONS=108} [2025-03-04 06:45:38,445 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places. [2025-03-04 06:45:38,447 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 108 transitions, 551 flow [2025-03-04 06:45:38,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2025-03-04 06:45:38,447 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:45:38,447 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:45:38,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:45:38,447 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:45:38,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:45:38,448 INFO L85 PathProgramCache]: Analyzing trace with hash 503629162, now seen corresponding path program 1 times [2025-03-04 06:45:38,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:45:38,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676572955] [2025-03-04 06:45:38,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:45:38,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:45:38,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-04 06:45:38,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-04 06:45:38,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:45:38,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:45:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:45:38,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:45:38,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676572955] [2025-03-04 06:45:38,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676572955] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:45:38,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:45:38,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 06:45:38,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513645589] [2025-03-04 06:45:38,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:45:38,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 06:45:38,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:45:38,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 06:45:38,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-03-04 06:45:39,250 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-04 06:45:39,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 108 transitions, 551 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-04 06:45:39,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:45:39,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-04 06:45:39,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:45:39,440 INFO L124 PetriNetUnfolderBase]: 49/218 cut-off events. [2025-03-04 06:45:39,440 INFO L125 PetriNetUnfolderBase]: For 417/426 co-relation queries the response was YES. [2025-03-04 06:45:39,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 218 events. 49/218 cut-off events. For 417/426 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 661 event pairs, 11 based on Foata normal form. 10/225 useless extension candidates. Maximal degree in co-relation 745. Up to 40 conditions per place. [2025-03-04 06:45:39,442 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 37 selfloop transitions, 17 changer transitions 21/129 dead transitions. [2025-03-04 06:45:39,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 129 transitions, 836 flow [2025-03-04 06:45:39,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 06:45:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 06:45:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 739 transitions. [2025-03-04 06:45:39,444 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7548518896833504 [2025-03-04 06:45:39,444 INFO L175 Difference]: Start difference. First operand has 121 places, 108 transitions, 551 flow. Second operand 11 states and 739 transitions. [2025-03-04 06:45:39,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 129 transitions, 836 flow [2025-03-04 06:45:39,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 129 transitions, 721 flow, removed 5 selfloop flow, removed 12 redundant places. [2025-03-04 06:45:39,447 INFO L231 Difference]: Finished difference. Result has 114 places, 98 transitions, 424 flow [2025-03-04 06:45:39,448 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=424, PETRI_PLACES=114, PETRI_TRANSITIONS=98} [2025-03-04 06:45:39,448 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 25 predicate places. [2025-03-04 06:45:39,448 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 98 transitions, 424 flow [2025-03-04 06:45:39,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-04 06:45:39,449 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:45:39,449 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:45:39,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 06:45:39,449 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:45:39,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:45:39,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1265806978, now seen corresponding path program 2 times [2025-03-04 06:45:39,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:45:39,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951371301] [2025-03-04 06:45:39,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 06:45:39,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:45:39,459 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 1 equivalence classes. [2025-03-04 06:45:39,465 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-04 06:45:39,466 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 06:45:39,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:45:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:45:39,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:45:39,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951371301] [2025-03-04 06:45:39,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951371301] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:45:39,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:45:39,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 06:45:39,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696207144] [2025-03-04 06:45:39,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:45:39,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 06:45:39,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:45:39,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 06:45:39,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-03-04 06:45:40,141 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-04 06:45:40,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 98 transitions, 424 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-04 06:45:40,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:45:40,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-04 06:45:40,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:45:40,309 INFO L124 PetriNetUnfolderBase]: 36/189 cut-off events. [2025-03-04 06:45:40,310 INFO L125 PetriNetUnfolderBase]: For 367/372 co-relation queries the response was YES. [2025-03-04 06:45:40,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 189 events. 36/189 cut-off events. For 367/372 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 507 event pairs, 11 based on Foata normal form. 6/192 useless extension candidates. Maximal degree in co-relation 585. Up to 36 conditions per place. [2025-03-04 06:45:40,311 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 25 selfloop transitions, 9 changer transitions 29/116 dead transitions. [2025-03-04 06:45:40,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 116 transitions, 645 flow [2025-03-04 06:45:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 06:45:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-04 06:45:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 800 transitions. [2025-03-04 06:45:40,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7490636704119851 [2025-03-04 06:45:40,313 INFO L175 Difference]: Start difference. First operand has 114 places, 98 transitions, 424 flow. Second operand 12 states and 800 transitions. [2025-03-04 06:45:40,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 116 transitions, 645 flow [2025-03-04 06:45:40,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 116 transitions, 602 flow, removed 5 selfloop flow, removed 10 redundant places. [2025-03-04 06:45:40,316 INFO L231 Difference]: Finished difference. Result has 115 places, 84 transitions, 300 flow [2025-03-04 06:45:40,316 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=300, PETRI_PLACES=115, PETRI_TRANSITIONS=84} [2025-03-04 06:45:40,317 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 26 predicate places. [2025-03-04 06:45:40,317 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 84 transitions, 300 flow [2025-03-04 06:45:40,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-04 06:45:40,317 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:45:40,317 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:45:40,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 06:45:40,318 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:45:40,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:45:40,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1394392380, now seen corresponding path program 3 times [2025-03-04 06:45:40,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:45:40,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177103854] [2025-03-04 06:45:40,319 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 06:45:40,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:45:40,327 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 73 statements into 1 equivalence classes. [2025-03-04 06:45:40,331 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-04 06:45:40,332 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 06:45:40,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:45:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:45:40,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:45:40,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177103854] [2025-03-04 06:45:40,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177103854] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:45:40,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:45:40,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 06:45:40,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378433308] [2025-03-04 06:45:40,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:45:40,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 06:45:40,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:45:40,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 06:45:40,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-03-04 06:45:40,899 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-04 06:45:40,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 84 transitions, 300 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-04 06:45:40,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:45:40,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-04 06:45:40,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:45:41,031 INFO L124 PetriNetUnfolderBase]: 16/132 cut-off events. [2025-03-04 06:45:41,031 INFO L125 PetriNetUnfolderBase]: For 142/143 co-relation queries the response was YES. [2025-03-04 06:45:41,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 132 events. 16/132 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 250 event pairs, 11 based on Foata normal form. 2/131 useless extension candidates. Maximal degree in co-relation 312. Up to 32 conditions per place. [2025-03-04 06:45:41,032 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2025-03-04 06:45:41,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 88 transitions, 389 flow [2025-03-04 06:45:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 06:45:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 06:45:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 721 transitions. [2025-03-04 06:45:41,036 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7364657814096016 [2025-03-04 06:45:41,037 INFO L175 Difference]: Start difference. First operand has 115 places, 84 transitions, 300 flow. Second operand 11 states and 721 transitions. [2025-03-04 06:45:41,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 88 transitions, 389 flow [2025-03-04 06:45:41,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 88 transitions, 344 flow, removed 7 selfloop flow, removed 14 redundant places. [2025-03-04 06:45:41,039 INFO L231 Difference]: Finished difference. Result has 101 places, 0 transitions, 0 flow [2025-03-04 06:45:41,039 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=101, PETRI_TRANSITIONS=0} [2025-03-04 06:45:41,039 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 12 predicate places. [2025-03-04 06:45:41,039 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 0 transitions, 0 flow [2025-03-04 06:45:41,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-04 06:45:41,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2025-03-04 06:45:41,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-03-04 06:45:41,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2025-03-04 06:45:41,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2025-03-04 06:45:41,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 06:45:41,044 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2025-03-04 06:45:41,048 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:45:41,048 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:45:41,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:45:41 BasicIcfg [2025-03-04 06:45:41,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:45:41,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:45:41,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:45:41,054 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:45:41,054 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:45:34" (3/4) ... [2025-03-04 06:45:41,056 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:45:41,058 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-04 06:45:41,061 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-04 06:45:41,062 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:45:41,062 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:45:41,124 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:45:41,124 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:45:41,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:45:41,125 INFO L158 Benchmark]: Toolchain (without parser) took 7748.00ms. Allocated memory was 167.8MB in the beginning and 276.8MB in the end (delta: 109.1MB). Free memory was 133.2MB in the beginning and 194.6MB in the end (delta: -61.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2025-03-04 06:45:41,126 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:45:41,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.76ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 105.4MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 06:45:41,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.35ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 103.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:45:41,127 INFO L158 Benchmark]: Boogie Preprocessor took 13.42ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 102.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:45:41,128 INFO L158 Benchmark]: IcfgBuilder took 301.03ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 86.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 06:45:41,128 INFO L158 Benchmark]: TraceAbstraction took 6928.87ms. Allocated memory was 167.8MB in the beginning and 276.8MB in the end (delta: 109.1MB). Free memory was 86.0MB in the beginning and 200.0MB in the end (delta: -114.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:45:41,128 INFO L158 Benchmark]: Witness Printer took 71.14ms. Allocated memory is still 276.8MB. Free memory was 200.0MB in the beginning and 194.6MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:45:41,129 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 226.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.76ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 105.4MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.35ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 103.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.42ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 102.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 301.03ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 86.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6928.87ms. Allocated memory was 167.8MB in the beginning and 276.8MB in the end (delta: 109.1MB). Free memory was 86.0MB in the beginning and 200.0MB in the end (delta: -114.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.14ms. Allocated memory is still 276.8MB. Free memory was 200.0MB in the beginning and 194.6MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 996]: 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 3 procedures, 106 locations, 4 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: 6.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1924 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1565 mSDsluCounter, 1986 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1845 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5179 IncrementalHoareTripleChecker+Invalid, 5290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 141 mSDtfsCounter, 5179 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=4, InterpolantAutomatonStates: 74, 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, 2.8s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 3089 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:45:41,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE