./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/dekker-unfair.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/pthread-atomic/dekker-unfair.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 5850bf916a69badaacd3ff4150d219aedc42421ae90c33080aafb727bc040d43 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:23:51,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:23:51,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:23:51,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:23:51,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:23:51,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:23:51,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:23:51,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:23:51,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:23:51,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:23:51,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:23:51,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:23:51,222 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:23:51,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:23:51,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:23:51,223 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:23:51,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:23:51,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:23:51,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:23:51,225 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:23:51,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:23:51,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:23:51,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:23:51,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:23:51,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:23:51,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:23:51,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:23:51,226 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 -> 5850bf916a69badaacd3ff4150d219aedc42421ae90c33080aafb727bc040d43 [2025-03-04 06:23:51,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:23:51,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:23:51,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:23:51,471 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:23:51,471 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:23:51,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/dekker-unfair.i [2025-03-04 06:23:52,662 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fa33a9bf/0c06aa1de5da4599ae1e868f72cee89d/FLAG3acd90cb4 [2025-03-04 06:23:52,951 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:23:52,954 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker-unfair.i [2025-03-04 06:23:52,970 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fa33a9bf/0c06aa1de5da4599ae1e868f72cee89d/FLAG3acd90cb4 [2025-03-04 06:23:53,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fa33a9bf/0c06aa1de5da4599ae1e868f72cee89d [2025-03-04 06:23:53,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:23:53,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:23:53,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:23:53,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:23:53,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:23:53,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5985e209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53, skipping insertion in model container [2025-03-04 06:23:53,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:23:53,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:23:53,464 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:23:53,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:23:53,521 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:23:53,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53 WrapperNode [2025-03-04 06:23:53,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:23:53,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:23:53,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:23:53,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:23:53,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,553 INFO L138 Inliner]: procedures = 167, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2025-03-04 06:23:53,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:23:53,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:23:53,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:23:53,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:23:53,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,567 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:23:53,571 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:23:53,571 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:23:53,571 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:23:53,571 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (1/1) ... [2025-03-04 06:23:53,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:23:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:23:53,601 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 06:23:53,606 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 06:23:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2025-03-04 06:23:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2025-03-04 06:23:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-03-04 06:23:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-03-04 06:23:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:23:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:23:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:23:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:23:53,625 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 06:23:53,728 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:23:53,730 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:23:53,853 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:23:53,853 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:23:53,876 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:23:53,876 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:23:53,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:23:53 BoogieIcfgContainer [2025-03-04 06:23:53,877 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:23:53,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:23:53,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:23:53,884 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:23:53,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:23:53" (1/3) ... [2025-03-04 06:23:53,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de5b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:23:53, skipping insertion in model container [2025-03-04 06:23:53,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:23:53" (2/3) ... [2025-03-04 06:23:53,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de5b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:23:53, skipping insertion in model container [2025-03-04 06:23:53,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:23:53" (3/3) ... [2025-03-04 06:23:53,887 INFO L128 eAbstractionObserver]: Analyzing ICFG dekker-unfair.i [2025-03-04 06:23:53,898 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:23:53,900 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dekker-unfair.i that has 3 procedures, 92 locations, 1 initial locations, 4 loop locations, and 4 error locations. [2025-03-04 06:23:53,900 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:23:53,948 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 06:23:53,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 102 transitions, 218 flow [2025-03-04 06:23:54,016 INFO L124 PetriNetUnfolderBase]: 11/100 cut-off events. [2025-03-04 06:23:54,018 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 06:23:54,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 100 events. 11/100 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 70. Up to 3 conditions per place. [2025-03-04 06:23:54,024 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 102 transitions, 218 flow [2025-03-04 06:23:54,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 95 transitions, 199 flow [2025-03-04 06:23:54,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:23:54,048 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;@710a715c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:23:54,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-04 06:23:54,063 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:23:54,063 INFO L124 PetriNetUnfolderBase]: 4/48 cut-off events. [2025-03-04 06:23:54,063 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:23:54,063 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:54,064 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] [2025-03-04 06:23:54,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-04 06:23:54,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:54,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1496590088, now seen corresponding path program 1 times [2025-03-04 06:23:54,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:54,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39663034] [2025-03-04 06:23:54,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:54,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:54,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 06:23:54,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 06:23:54,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:54,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:54,248 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 06:23:54,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:54,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39663034] [2025-03-04 06:23:54,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39663034] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:54,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:54,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:54,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113587945] [2025-03-04 06:23:54,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:54,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:54,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:54,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:54,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:54,301 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 102 [2025-03-04 06:23:54,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 95 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 06:23:54,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:54,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 102 [2025-03-04 06:23:54,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:54,427 INFO L124 PetriNetUnfolderBase]: 113/393 cut-off events. [2025-03-04 06:23:54,428 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-03-04 06:23:54,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 622 conditions, 393 events. 113/393 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1964 event pairs, 57 based on Foata normal form. 39/367 useless extension candidates. Maximal degree in co-relation 553. Up to 165 conditions per place. [2025-03-04 06:23:54,434 INFO L140 encePairwiseOnDemand]: 91/102 looper letters, 26 selfloop transitions, 5 changer transitions 1/98 dead transitions. [2025-03-04 06:23:54,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 98 transitions, 270 flow [2025-03-04 06:23:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:54,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:54,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2025-03-04 06:23:54,449 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8627450980392157 [2025-03-04 06:23:54,450 INFO L175 Difference]: Start difference. First operand has 91 places, 95 transitions, 199 flow. Second operand 3 states and 264 transitions. [2025-03-04 06:23:54,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 98 transitions, 270 flow [2025-03-04 06:23:54,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 98 transitions, 264 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-04 06:23:54,456 INFO L231 Difference]: Finished difference. Result has 90 places, 91 transitions, 216 flow [2025-03-04 06:23:54,458 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=90, PETRI_TRANSITIONS=91} [2025-03-04 06:23:54,462 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -1 predicate places. [2025-03-04 06:23:54,462 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 91 transitions, 216 flow [2025-03-04 06:23:54,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 06:23:54,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:54,463 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:23:54,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:23:54,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-04 06:23:54,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:54,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1139953787, now seen corresponding path program 1 times [2025-03-04 06:23:54,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:54,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027210872] [2025-03-04 06:23:54,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:54,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:54,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-04 06:23:54,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-04 06:23:54,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:54,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:54,513 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 06:23:54,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027210872] [2025-03-04 06:23:54,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027210872] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:54,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230122619] [2025-03-04 06:23:54,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:54,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:54,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:54,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:54,533 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 102 [2025-03-04 06:23:54,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 06:23:54,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:54,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 102 [2025-03-04 06:23:54,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:54,616 INFO L124 PetriNetUnfolderBase]: 109/449 cut-off events. [2025-03-04 06:23:54,616 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES. [2025-03-04 06:23:54,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 449 events. 109/449 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2438 event pairs, 28 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 662. Up to 147 conditions per place. [2025-03-04 06:23:54,618 INFO L140 encePairwiseOnDemand]: 94/102 looper letters, 30 selfloop transitions, 6 changer transitions 5/109 dead transitions. [2025-03-04 06:23:54,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 109 transitions, 345 flow [2025-03-04 06:23:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:54,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 266 transitions. [2025-03-04 06:23:54,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.869281045751634 [2025-03-04 06:23:54,619 INFO L175 Difference]: Start difference. First operand has 90 places, 91 transitions, 216 flow. Second operand 3 states and 266 transitions. [2025-03-04 06:23:54,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 109 transitions, 345 flow [2025-03-04 06:23:54,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 109 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:23:54,622 INFO L231 Difference]: Finished difference. Result has 91 places, 94 transitions, 252 flow [2025-03-04 06:23:54,622 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=91, PETRI_TRANSITIONS=94} [2025-03-04 06:23:54,622 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 0 predicate places. [2025-03-04 06:23:54,622 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 94 transitions, 252 flow [2025-03-04 06:23:54,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 06:23:54,622 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:54,623 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] [2025-03-04 06:23:54,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:23:54,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-04 06:23:54,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:54,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1878836249, now seen corresponding path program 1 times [2025-03-04 06:23:54,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:54,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447655639] [2025-03-04 06:23:54,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:54,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:54,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-04 06:23:54,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-04 06:23:54,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:54,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:54,692 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 06:23:54,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:54,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447655639] [2025-03-04 06:23:54,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447655639] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:54,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:54,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:54,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548243259] [2025-03-04 06:23:54,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:54,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:54,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:54,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:54,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:54,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 102 [2025-03-04 06:23:54,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 94 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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 06:23:54,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:54,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 102 [2025-03-04 06:23:54,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:54,780 INFO L124 PetriNetUnfolderBase]: 130/526 cut-off events. [2025-03-04 06:23:54,780 INFO L125 PetriNetUnfolderBase]: For 193/199 co-relation queries the response was YES. [2025-03-04 06:23:54,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 526 events. 130/526 cut-off events. For 193/199 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3064 event pairs, 58 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 891. Up to 207 conditions per place. [2025-03-04 06:23:54,783 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 25 selfloop transitions, 7 changer transitions 4/104 dead transitions. [2025-03-04 06:23:54,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 104 transitions, 351 flow [2025-03-04 06:23:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2025-03-04 06:23:54,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8398692810457516 [2025-03-04 06:23:54,784 INFO L175 Difference]: Start difference. First operand has 91 places, 94 transitions, 252 flow. Second operand 3 states and 257 transitions. [2025-03-04 06:23:54,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 104 transitions, 351 flow [2025-03-04 06:23:54,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 104 transitions, 337 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:23:54,789 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 288 flow [2025-03-04 06:23:54,789 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2025-03-04 06:23:54,790 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 2 predicate places. [2025-03-04 06:23:54,790 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 288 flow [2025-03-04 06:23:54,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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 06:23:54,790 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:54,790 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] [2025-03-04 06:23:54,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:23:54,791 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-04 06:23:54,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:54,792 INFO L85 PathProgramCache]: Analyzing trace with hash 104394124, now seen corresponding path program 1 times [2025-03-04 06:23:54,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:54,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970770302] [2025-03-04 06:23:54,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:54,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:54,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-04 06:23:54,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 06:23:54,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:54,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:54,873 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 06:23:54,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:54,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970770302] [2025-03-04 06:23:54,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970770302] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:54,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:54,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 06:23:54,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319312946] [2025-03-04 06:23:54,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:54,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:54,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:54,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:54,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:54,886 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 102 [2025-03-04 06:23:54,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 06:23:54,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:54,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 102 [2025-03-04 06:23:54,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:54,958 INFO L124 PetriNetUnfolderBase]: 78/455 cut-off events. [2025-03-04 06:23:54,958 INFO L125 PetriNetUnfolderBase]: For 125/131 co-relation queries the response was YES. [2025-03-04 06:23:54,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 455 events. 78/455 cut-off events. For 125/131 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2625 event pairs, 20 based on Foata normal form. 2/403 useless extension candidates. Maximal degree in co-relation 715. Up to 56 conditions per place. [2025-03-04 06:23:54,961 INFO L140 encePairwiseOnDemand]: 97/102 looper letters, 17 selfloop transitions, 4 changer transitions 0/103 dead transitions. [2025-03-04 06:23:54,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 103 transitions, 343 flow [2025-03-04 06:23:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2025-03-04 06:23:54,962 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8660130718954249 [2025-03-04 06:23:54,962 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 288 flow. Second operand 3 states and 265 transitions. [2025-03-04 06:23:54,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 103 transitions, 343 flow [2025-03-04 06:23:54,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 103 transitions, 329 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:23:54,967 INFO L231 Difference]: Finished difference. Result has 94 places, 97 transitions, 288 flow [2025-03-04 06:23:54,967 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=94, PETRI_TRANSITIONS=97} [2025-03-04 06:23:54,968 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 3 predicate places. [2025-03-04 06:23:54,968 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 97 transitions, 288 flow [2025-03-04 06:23:54,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 06:23:54,969 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:54,969 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] [2025-03-04 06:23:54,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:23:54,969 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-04 06:23:54,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:54,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1215910084, now seen corresponding path program 2 times [2025-03-04 06:23:54,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:54,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55792839] [2025-03-04 06:23:54,972 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 06:23:54,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:54,982 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 1 equivalence classes. [2025-03-04 06:23:54,987 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 06:23:54,988 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 06:23:54,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:55,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:55,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55792839] [2025-03-04 06:23:55,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55792839] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:55,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:55,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 06:23:55,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330279726] [2025-03-04 06:23:55,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:55,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:55,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:55,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:55,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:55,039 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 102 [2025-03-04 06:23:55,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 97 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 06:23:55,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:55,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 102 [2025-03-04 06:23:55,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:55,080 INFO L124 PetriNetUnfolderBase]: 55/262 cut-off events. [2025-03-04 06:23:55,080 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2025-03-04 06:23:55,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 262 events. 55/262 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 935 event pairs, 14 based on Foata normal form. 3/237 useless extension candidates. Maximal degree in co-relation 367. Up to 48 conditions per place. [2025-03-04 06:23:55,081 INFO L140 encePairwiseOnDemand]: 97/102 looper letters, 0 selfloop transitions, 0 changer transitions 91/91 dead transitions. [2025-03-04 06:23:55,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 91 transitions, 298 flow [2025-03-04 06:23:55,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2025-03-04 06:23:55,083 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8660130718954249 [2025-03-04 06:23:55,083 INFO L175 Difference]: Start difference. First operand has 94 places, 97 transitions, 288 flow. Second operand 3 states and 265 transitions. [2025-03-04 06:23:55,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 91 transitions, 298 flow [2025-03-04 06:23:55,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 91 transitions, 252 flow, removed 9 selfloop flow, removed 6 redundant places. [2025-03-04 06:23:55,088 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2025-03-04 06:23:55,088 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2025-03-04 06:23:55,089 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -5 predicate places. [2025-03-04 06:23:55,089 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2025-03-04 06:23:55,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2025-03-04 06:23:55,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2025-03-04 06:23:55,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:23:55,092 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2025-03-04 06:23:55,096 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:23:55,096 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:23:55,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:23:55 BasicIcfg [2025-03-04 06:23:55,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:23:55,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:23:55,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:23:55,100 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:23:55,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:23:53" (3/4) ... [2025-03-04 06:23:55,102 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:23:55,104 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thr2 [2025-03-04 06:23:55,104 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thr1 [2025-03-04 06:23:55,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-04 06:23:55,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 06:23:55,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:23:55,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:23:55,159 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:23:55,159 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:23:55,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:23:55,160 INFO L158 Benchmark]: Toolchain (without parser) took 1943.58ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 69.7MB in the end (delta: 36.0MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2025-03-04 06:23:55,160 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:23:55,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.31ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 85.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 06:23:55,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.27ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:23:55,162 INFO L158 Benchmark]: Boogie Preprocessor took 14.23ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 83.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:23:55,163 INFO L158 Benchmark]: IcfgBuilder took 306.40ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 68.7MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:23:55,163 INFO L158 Benchmark]: TraceAbstraction took 1219.05ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 75.3MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:23:55,164 INFO L158 Benchmark]: Witness Printer took 58.85ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 69.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:23:55,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.31ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 85.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.27ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.23ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 83.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 306.40ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 68.7MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1219.05ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 75.3MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.85ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 69.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 774]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 146 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 32 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=288occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:23:55,178 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