./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed 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/05-lval_ls_12-fldsense_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 f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:57:22,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:57:22,770 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:57:22,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:57:22,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:57:22,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:57:22,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:57:22,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:57:22,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:57:22,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:57:22,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:57:22,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:57:22,791 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:57:22,791 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:57:22,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:57:22,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:57:22,792 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 -> f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf [2025-03-08 21:57:22,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:57:22,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:57:22,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:57:22,984 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:57:22,984 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:57:22,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2025-03-08 21:57:24,099 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577cf510e/143580d2d8224dda865c8a677a8b0ef9/FLAGad0622d6e [2025-03-08 21:57:24,357 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:57:24,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2025-03-08 21:57:24,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577cf510e/143580d2d8224dda865c8a677a8b0ef9/FLAGad0622d6e [2025-03-08 21:57:24,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577cf510e/143580d2d8224dda865c8a677a8b0ef9 [2025-03-08 21:57:24,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:57:24,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:57:24,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:57:24,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:57:24,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:57:24,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5540f65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24, skipping insertion in model container [2025-03-08 21:57:24,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:57:24,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:57:24,625 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:57:24,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:57:24,681 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:57:24,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24 WrapperNode [2025-03-08 21:57:24,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:57:24,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:57:24,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:57:24,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:57:24,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,714 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2025-03-08 21:57:24,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:57:24,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:57:24,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:57:24,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:57:24,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,728 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:57:24,733 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:57:24,733 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:57:24,733 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:57:24,734 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (1/1) ... [2025-03-08 21:57:24,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:57:24,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:57:24,762 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) [2025-03-08 21:57:24,765 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 [2025-03-08 21:57:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 21:57:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 21:57:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-08 21:57:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:57:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-08 21:57:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-08 21:57:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:57:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-08 21:57:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:57:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:57:24,784 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:57:24,869 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:57:24,871 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:57:25,055 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:57:25,055 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:57:25,070 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:57:25,070 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:57:25,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:57:25 BoogieIcfgContainer [2025-03-08 21:57:25,071 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:57:25,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:57:25,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:57:25,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:57:25,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:57:24" (1/3) ... [2025-03-08 21:57:25,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51840714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:57:25, skipping insertion in model container [2025-03-08 21:57:25,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:57:24" (2/3) ... [2025-03-08 21:57:25,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51840714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:57:25, skipping insertion in model container [2025-03-08 21:57:25,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:57:25" (3/3) ... [2025-03-08 21:57:25,078 INFO L128 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_12-fldsense_nr.i [2025-03-08 21:57:25,092 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:57:25,094 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 05-lval_ls_12-fldsense_nr.i that has 2 procedures, 107 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-08 21:57:25,094 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:57:25,148 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:57:25,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 106 transitions, 216 flow [2025-03-08 21:57:25,217 INFO L124 PetriNetUnfolderBase]: 0/105 cut-off events. [2025-03-08 21:57:25,218 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:57:25,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 105 events. 0/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-03-08 21:57:25,221 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 106 transitions, 216 flow [2025-03-08 21:57:25,224 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 105 transitions, 213 flow [2025-03-08 21:57:25,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:57:25,243 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;@7eef7afd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:57:25,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-03-08 21:57:25,258 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:57:25,261 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2025-03-08 21:57:25,261 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:57:25,261 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:57:25,262 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] [2025-03-08 21:57:25,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:57:25,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:57:25,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1925951753, now seen corresponding path program 1 times [2025-03-08 21:57:25,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:57:25,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249579061] [2025-03-08 21:57:25,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:57:25,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:57:25,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-08 21:57:25,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-08 21:57:25,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:57:25,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:57:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:57:25,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:57:25,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249579061] [2025-03-08 21:57:25,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249579061] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:57:25,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:57:25,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:57:25,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866005931] [2025-03-08 21:57:25,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:57:25,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:57:25,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:57:25,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:57:25,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:57:26,117 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 106 [2025-03-08 21:57:26,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 105 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 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) [2025-03-08 21:57:26,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:57:26,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 106 [2025-03-08 21:57:26,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:57:26,419 INFO L124 PetriNetUnfolderBase]: 302/1389 cut-off events. [2025-03-08 21:57:26,419 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 21:57:26,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2052 conditions, 1389 events. 302/1389 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 9364 event pairs, 83 based on Foata normal form. 0/1313 useless extension candidates. Maximal degree in co-relation 2018. Up to 309 conditions per place. [2025-03-08 21:57:26,433 INFO L140 encePairwiseOnDemand]: 84/106 looper letters, 98 selfloop transitions, 42 changer transitions 0/215 dead transitions. [2025-03-08 21:57:26,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 215 transitions, 713 flow [2025-03-08 21:57:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:57:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:57:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 598 transitions. [2025-03-08 21:57:26,446 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.940251572327044 [2025-03-08 21:57:26,448 INFO L175 Difference]: Start difference. First operand has 109 places, 105 transitions, 213 flow. Second operand 6 states and 598 transitions. [2025-03-08 21:57:26,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 215 transitions, 713 flow [2025-03-08 21:57:26,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 215 transitions, 712 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:57:26,459 INFO L231 Difference]: Finished difference. Result has 118 places, 151 transitions, 528 flow [2025-03-08 21:57:26,461 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=118, PETRI_TRANSITIONS=151} [2025-03-08 21:57:26,463 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, 9 predicate places. [2025-03-08 21:57:26,463 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 151 transitions, 528 flow [2025-03-08 21:57:26,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 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) [2025-03-08 21:57:26,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:57:26,464 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] [2025-03-08 21:57:26,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:57:26,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:57:26,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:57:26,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1612618619, now seen corresponding path program 1 times [2025-03-08 21:57:26,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:57:26,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890172531] [2025-03-08 21:57:26,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:57:26,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:57:26,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 21:57:26,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 21:57:26,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:57:26,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:57:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:57:26,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:57:26,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890172531] [2025-03-08 21:57:26,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890172531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:57:26,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:57:26,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:57:26,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457681826] [2025-03-08 21:57:26,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:57:26,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:57:26,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:57:26,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:57:26,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:57:26,946 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 106 [2025-03-08 21:57:26,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 151 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 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) [2025-03-08 21:57:26,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:57:26,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 106 [2025-03-08 21:57:26,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:57:27,225 INFO L124 PetriNetUnfolderBase]: 480/1947 cut-off events. [2025-03-08 21:57:27,225 INFO L125 PetriNetUnfolderBase]: For 640/677 co-relation queries the response was YES. [2025-03-08 21:57:27,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4061 conditions, 1947 events. 480/1947 cut-off events. For 640/677 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 14346 event pairs, 130 based on Foata normal form. 23/1898 useless extension candidates. Maximal degree in co-relation 4023. Up to 698 conditions per place. [2025-03-08 21:57:27,234 INFO L140 encePairwiseOnDemand]: 89/106 looper letters, 112 selfloop transitions, 53 changer transitions 3/242 dead transitions. [2025-03-08 21:57:27,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 242 transitions, 1232 flow [2025-03-08 21:57:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:57:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:57:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 558 transitions. [2025-03-08 21:57:27,236 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8773584905660378 [2025-03-08 21:57:27,236 INFO L175 Difference]: Start difference. First operand has 118 places, 151 transitions, 528 flow. Second operand 6 states and 558 transitions. [2025-03-08 21:57:27,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 242 transitions, 1232 flow [2025-03-08 21:57:27,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 242 transitions, 1232 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:57:27,242 INFO L231 Difference]: Finished difference. Result has 128 places, 204 transitions, 1044 flow [2025-03-08 21:57:27,242 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1044, PETRI_PLACES=128, PETRI_TRANSITIONS=204} [2025-03-08 21:57:27,243 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, 19 predicate places. [2025-03-08 21:57:27,243 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 204 transitions, 1044 flow [2025-03-08 21:57:27,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 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) [2025-03-08 21:57:27,243 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:57:27,243 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] [2025-03-08 21:57:27,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:57:27,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:57:27,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:57:27,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1544096606, now seen corresponding path program 1 times [2025-03-08 21:57:27,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:57:27,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647159618] [2025-03-08 21:57:27,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:57:27,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:57:27,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-08 21:57:27,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-08 21:57:27,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:57:27,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:57:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:57:27,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:57:27,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647159618] [2025-03-08 21:57:27,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647159618] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:57:27,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:57:27,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:57:27,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683317562] [2025-03-08 21:57:27,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:57:27,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:57:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:57:27,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:57:27,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:57:27,662 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 106 [2025-03-08 21:57:27,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 204 transitions, 1044 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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) [2025-03-08 21:57:27,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:57:27,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 106 [2025-03-08 21:57:27,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:57:28,049 INFO L124 PetriNetUnfolderBase]: 630/2490 cut-off events. [2025-03-08 21:57:28,049 INFO L125 PetriNetUnfolderBase]: For 2477/2529 co-relation queries the response was YES. [2025-03-08 21:57:28,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6291 conditions, 2490 events. 630/2490 cut-off events. For 2477/2529 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 19170 event pairs, 151 based on Foata normal form. 25/2428 useless extension candidates. Maximal degree in co-relation 6247. Up to 957 conditions per place. [2025-03-08 21:57:28,065 INFO L140 encePairwiseOnDemand]: 89/106 looper letters, 154 selfloop transitions, 68 changer transitions 0/298 dead transitions. [2025-03-08 21:57:28,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 298 transitions, 2024 flow [2025-03-08 21:57:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:57:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:57:28,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions. [2025-03-08 21:57:28,068 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8490566037735849 [2025-03-08 21:57:28,069 INFO L175 Difference]: Start difference. First operand has 128 places, 204 transitions, 1044 flow. Second operand 6 states and 540 transitions. [2025-03-08 21:57:28,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 298 transitions, 2024 flow [2025-03-08 21:57:28,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 298 transitions, 2016 flow, removed 4 selfloop flow, removed 0 redundant places. [2025-03-08 21:57:28,089 INFO L231 Difference]: Finished difference. Result has 138 places, 265 transitions, 1756 flow [2025-03-08 21:57:28,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1756, PETRI_PLACES=138, PETRI_TRANSITIONS=265} [2025-03-08 21:57:28,091 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, 29 predicate places. [2025-03-08 21:57:28,091 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 265 transitions, 1756 flow [2025-03-08 21:57:28,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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) [2025-03-08 21:57:28,091 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:57:28,091 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:57:28,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:57:28,091 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:57:28,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:57:28,092 INFO L85 PathProgramCache]: Analyzing trace with hash 148069094, now seen corresponding path program 1 times [2025-03-08 21:57:28,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:57:28,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779138616] [2025-03-08 21:57:28,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:57:28,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:57:28,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-08 21:57:28,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-08 21:57:28,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:57:28,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:57:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:57:28,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:57:28,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779138616] [2025-03-08 21:57:28,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779138616] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:57:28,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:57:28,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 21:57:28,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863614365] [2025-03-08 21:57:28,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:57:28,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:57:28,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:57:28,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:57:28,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:57:28,194 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 106 [2025-03-08 21:57:28,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 265 transitions, 1756 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2025-03-08 21:57:28,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:57:28,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 106 [2025-03-08 21:57:28,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:57:28,221 INFO L124 PetriNetUnfolderBase]: 5/194 cut-off events. [2025-03-08 21:57:28,221 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES. [2025-03-08 21:57:28,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 194 events. 5/194 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 382 event pairs, 3 based on Foata normal form. 2/194 useless extension candidates. Maximal degree in co-relation 379. Up to 19 conditions per place. [2025-03-08 21:57:28,222 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 5 selfloop transitions, 4 changer transitions 11/103 dead transitions. [2025-03-08 21:57:28,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 103 transitions, 362 flow [2025-03-08 21:57:28,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:57:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:57:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2025-03-08 21:57:28,224 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9559748427672956 [2025-03-08 21:57:28,224 INFO L175 Difference]: Start difference. First operand has 138 places, 265 transitions, 1756 flow. Second operand 3 states and 304 transitions. [2025-03-08 21:57:28,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 103 transitions, 362 flow [2025-03-08 21:57:28,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 103 transitions, 230 flow, removed 26 selfloop flow, removed 30 redundant places. [2025-03-08 21:57:28,226 INFO L231 Difference]: Finished difference. Result has 106 places, 91 transitions, 192 flow [2025-03-08 21:57:28,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=106, PETRI_TRANSITIONS=91} [2025-03-08 21:57:28,227 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places. [2025-03-08 21:57:28,227 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 91 transitions, 192 flow [2025-03-08 21:57:28,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2025-03-08 21:57:28,228 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:57:28,228 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:57:28,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:57:28,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:57:28,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:57:28,229 INFO L85 PathProgramCache]: Analyzing trace with hash 403156021, now seen corresponding path program 1 times [2025-03-08 21:57:28,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:57:28,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601722686] [2025-03-08 21:57:28,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:57:28,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:57:28,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-08 21:57:28,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-08 21:57:28,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:57:28,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:57:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:57:28,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:57:28,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601722686] [2025-03-08 21:57:28,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601722686] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:57:28,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:57:28,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:57:28,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751492715] [2025-03-08 21:57:28,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:57:28,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:57:28,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:57:28,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:57:28,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:57:28,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 106 [2025-03-08 21:57:28,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 91 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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) [2025-03-08 21:57:28,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:57:28,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 106 [2025-03-08 21:57:28,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:57:28,705 INFO L124 PetriNetUnfolderBase]: 21/223 cut-off events. [2025-03-08 21:57:28,705 INFO L125 PetriNetUnfolderBase]: For 26/27 co-relation queries the response was YES. [2025-03-08 21:57:28,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 223 events. 21/223 cut-off events. For 26/27 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 577 event pairs, 11 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 282. Up to 36 conditions per place. [2025-03-08 21:57:28,706 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 19 selfloop transitions, 5 changer transitions 0/98 dead transitions. [2025-03-08 21:57:28,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 98 transitions, 270 flow [2025-03-08 21:57:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:57:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:57:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2025-03-08 21:57:28,707 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.860062893081761 [2025-03-08 21:57:28,708 INFO L175 Difference]: Start difference. First operand has 106 places, 91 transitions, 192 flow. Second operand 6 states and 547 transitions. [2025-03-08 21:57:28,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 98 transitions, 270 flow [2025-03-08 21:57:28,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 98 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:57:28,709 INFO L231 Difference]: Finished difference. Result has 99 places, 90 transitions, 196 flow [2025-03-08 21:57:28,709 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=196, PETRI_PLACES=99, PETRI_TRANSITIONS=90} [2025-03-08 21:57:28,710 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -10 predicate places. [2025-03-08 21:57:28,710 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 90 transitions, 196 flow [2025-03-08 21:57:28,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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) [2025-03-08 21:57:28,710 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:57:28,710 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:57:28,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:57:28,710 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:57:28,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:57:28,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1227350532, now seen corresponding path program 1 times [2025-03-08 21:57:28,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:57:28,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450969124] [2025-03-08 21:57:28,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:57:28,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:57:28,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-08 21:57:28,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-08 21:57:28,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:57:28,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:57:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:57:28,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:57:28,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450969124] [2025-03-08 21:57:28,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450969124] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:57:28,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:57:28,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:57:28,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122201538] [2025-03-08 21:57:28,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:57:28,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:57:28,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:57:28,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:57:28,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:57:29,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 106 [2025-03-08 21:57:29,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 196 flow. Second operand has 6 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 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) [2025-03-08 21:57:29,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:57:29,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 106 [2025-03-08 21:57:29,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:57:29,222 INFO L124 PetriNetUnfolderBase]: 23/222 cut-off events. [2025-03-08 21:57:29,222 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2025-03-08 21:57:29,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 222 events. 23/222 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 633 event pairs, 15 based on Foata normal form. 3/219 useless extension candidates. Maximal degree in co-relation 288. Up to 47 conditions per place. [2025-03-08 21:57:29,223 INFO L140 encePairwiseOnDemand]: 101/106 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2025-03-08 21:57:29,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 97 transitions, 270 flow [2025-03-08 21:57:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:57:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:57:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 525 transitions. [2025-03-08 21:57:29,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8254716981132075 [2025-03-08 21:57:29,225 INFO L175 Difference]: Start difference. First operand has 99 places, 90 transitions, 196 flow. Second operand 6 states and 525 transitions. [2025-03-08 21:57:29,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 97 transitions, 270 flow [2025-03-08 21:57:29,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 97 transitions, 260 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 21:57:29,226 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2025-03-08 21:57:29,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2025-03-08 21:57:29,227 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -11 predicate places. [2025-03-08 21:57:29,227 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2025-03-08 21:57:29,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 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) [2025-03-08 21:57:29,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-03-08 21:57:29,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-03-08 21:57:29,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-03-08 21:57:29,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-03-08 21:57:29,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-03-08 21:57:29,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-03-08 21:57:29,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-03-08 21:57:29,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-03-08 21:57:29,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-03-08 21:57:29,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 21:57:29,232 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-08 21:57:29,236 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:57:29,236 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:57:29,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:57:29 BasicIcfg [2025-03-08 21:57:29,239 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:57:29,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:57:29,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:57:29,240 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:57:29,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:57:25" (3/4) ... [2025-03-08 21:57:29,241 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:57:29,243 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-08 21:57:29,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 21:57:29,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 21:57:29,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 21:57:29,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:57:29,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:57:29,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:57:29,303 INFO L158 Benchmark]: Toolchain (without parser) took 4923.01ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 127.5MB in the beginning and 197.6MB in the end (delta: -70.1MB). Peak memory consumption was 119.9MB. Max. memory is 16.1GB. [2025-03-08 21:57:29,303 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:57:29,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.36ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 107.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 21:57:29,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.81ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 105.4MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:57:29,304 INFO L158 Benchmark]: Boogie Preprocessor took 17.43ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 104.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:57:29,304 INFO L158 Benchmark]: IcfgBuilder took 337.89ms. Allocated memory is still 167.8MB. Free memory was 104.2MB in the beginning and 86.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 21:57:29,304 INFO L158 Benchmark]: TraceAbstraction took 4167.13ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 84.8MB in the beginning and 202.1MB in the end (delta: -117.3MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2025-03-08 21:57:29,304 INFO L158 Benchmark]: Witness Printer took 61.77ms. Allocated memory is still 360.7MB. Free memory was 202.1MB in the beginning and 197.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:57:29,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.36ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 107.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.81ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 105.4MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.43ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 104.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 337.89ms. Allocated memory is still 167.8MB. Free memory was 104.2MB in the beginning and 86.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4167.13ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 84.8MB in the beginning and 202.1MB in the end (delta: -117.3MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. * Witness Printer took 61.77ms. Allocated memory is still 360.7MB. Free memory was 202.1MB in the beginning and 197.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: 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, 135 locations, 133 edges, 9 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: 4.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 754 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 425 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1752 IncrementalHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 17 mSDtfsCounter, 1752 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1756occurred in iteration=3, InterpolantAutomatonStates: 33, 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, 1.5s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 21:57:29,330 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