./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.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/pthread-ext/44_Solaris_space_map_sliced.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 33c040d0fbd9b1f189d3917c569371e7923ba6ef4820715ff1ef4976213f5b31 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:39:32,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:39:33,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:39:33,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:39:33,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:39:33,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:39:33,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:39:33,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:39:33,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:39:33,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:39:33,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:39:33,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:39:33,026 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:39:33,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:39:33,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:39:33,026 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:39:33,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:39:33,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:39:33,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:39:33,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:39:33,028 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 -> 33c040d0fbd9b1f189d3917c569371e7923ba6ef4820715ff1ef4976213f5b31 [2025-03-08 21:39:33,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:39:33,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:39:33,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:39:33,289 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:39:33,289 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:39:33,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i [2025-03-08 21:39:34,462 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918121b18/c15171cf61c54f088b9f2e665168ea9a/FLAG6119617fc [2025-03-08 21:39:34,748 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:39:34,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i [2025-03-08 21:39:34,763 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918121b18/c15171cf61c54f088b9f2e665168ea9a/FLAG6119617fc [2025-03-08 21:39:34,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918121b18/c15171cf61c54f088b9f2e665168ea9a [2025-03-08 21:39:34,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:39:34,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:39:34,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:39:34,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:39:34,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:39:34,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:39:34" (1/1) ... [2025-03-08 21:39:34,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96a702a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:34, skipping insertion in model container [2025-03-08 21:39:34,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:39:34" (1/1) ... [2025-03-08 21:39:34,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:39:35,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:39:35,068 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:39:35,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:39:35,127 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:39:35,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35 WrapperNode [2025-03-08 21:39:35,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:39:35,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:39:35,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:39:35,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:39:35,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,166 INFO L138 Inliner]: procedures = 177, calls = 40, calls flagged for inlining = 35, calls inlined = 46, statements flattened = 466 [2025-03-08 21:39:35,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:39:35,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:39:35,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:39:35,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:39:35,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:39:35,216 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:39:35,216 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:39:35,216 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:39:35,217 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (1/1) ... [2025-03-08 21:39:35,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:39:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:39:35,250 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 21:39:35,253 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 21:39:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-03-08 21:39:35,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-03-08 21:39:35,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:39:35,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:39:35,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:39:35,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:39:35,274 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 21:39:35,368 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:39:35,370 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:39:35,872 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: havoc space_map_alloc_#t~nondet15#1; [2025-03-08 21:39:35,893 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:39:35,893 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:39:36,038 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:39:36,038 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:39:36,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:39:36 BoogieIcfgContainer [2025-03-08 21:39:36,038 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:39:36,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:39:36,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:39:36,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:39:36,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:39:34" (1/3) ... [2025-03-08 21:39:36,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ff8645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:39:36, skipping insertion in model container [2025-03-08 21:39:36,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:39:35" (2/3) ... [2025-03-08 21:39:36,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ff8645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:39:36, skipping insertion in model container [2025-03-08 21:39:36,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:39:36" (3/3) ... [2025-03-08 21:39:36,045 INFO L128 eAbstractionObserver]: Analyzing ICFG 44_Solaris_space_map_sliced.i [2025-03-08 21:39:36,056 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:39:36,057 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 44_Solaris_space_map_sliced.i that has 2 procedures, 340 locations, 1 initial locations, 5 loop locations, and 56 error locations. [2025-03-08 21:39:36,058 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:39:36,126 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:39:36,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 343 places, 401 transitions, 806 flow [2025-03-08 21:39:36,220 INFO L124 PetriNetUnfolderBase]: 61/408 cut-off events. [2025-03-08 21:39:36,222 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:39:36,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 408 events. 61/408 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1606 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 386. Up to 9 conditions per place. [2025-03-08 21:39:36,227 INFO L82 GeneralOperation]: Start removeDead. Operand has 343 places, 401 transitions, 806 flow [2025-03-08 21:39:36,236 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 343 places, 401 transitions, 806 flow [2025-03-08 21:39:36,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:39:36,254 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;@3b8eb1f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:39:36,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2025-03-08 21:39:36,262 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:39:36,262 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2025-03-08 21:39:36,262 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:39:36,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:39:36,264 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:39:36,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err55ASSERT_VIOLATIONDATA_RACE === [thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err54ASSERT_VIOLATIONDATA_RACE, thr1Err53ASSERT_VIOLATIONDATA_RACE, thr1Err52ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2025-03-08 21:39:36,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:39:36,268 INFO L85 PathProgramCache]: Analyzing trace with hash -630478399, now seen corresponding path program 1 times [2025-03-08 21:39:36,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:39:36,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121043263] [2025-03-08 21:39:36,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:39:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:39:36,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-08 21:39:36,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-08 21:39:36,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:36,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:39:36,399 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 21:39:36,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:39:36,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121043263] [2025-03-08 21:39:36,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121043263] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:39:36,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:39:36,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:39:36,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386743495] [2025-03-08 21:39:36,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:39:36,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:39:36,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:39:36,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:39:36,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:39:36,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 401 [2025-03-08 21:39:36,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 401 transitions, 806 flow. Second operand has 2 states, 2 states have (on average 320.0) internal successors, (640), 2 states have internal predecessors, (640), 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 21:39:36,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:39:36,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 401 [2025-03-08 21:39:36,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:39:36,509 INFO L124 PetriNetUnfolderBase]: 29/324 cut-off events. [2025-03-08 21:39:36,509 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 21:39:36,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 324 events. 29/324 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1193 event pairs, 0 based on Foata normal form. 47/302 useless extension candidates. Maximal degree in co-relation 319. Up to 15 conditions per place. [2025-03-08 21:39:36,513 INFO L140 encePairwiseOnDemand]: 342/401 looper letters, 14 selfloop transitions, 0 changer transitions 0/321 dead transitions. [2025-03-08 21:39:36,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 321 transitions, 674 flow [2025-03-08 21:39:36,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:39:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:39:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 711 transitions. [2025-03-08 21:39:36,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8865336658354115 [2025-03-08 21:39:36,530 INFO L175 Difference]: Start difference. First operand has 343 places, 401 transitions, 806 flow. Second operand 2 states and 711 transitions. [2025-03-08 21:39:36,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 321 transitions, 674 flow [2025-03-08 21:39:36,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 321 transitions, 674 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:39:36,539 INFO L231 Difference]: Finished difference. Result has 296 places, 321 transitions, 646 flow [2025-03-08 21:39:36,542 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=401, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=646, PETRI_PLACES=296, PETRI_TRANSITIONS=321} [2025-03-08 21:39:36,545 INFO L279 CegarLoopForPetriNet]: 343 programPoint places, -47 predicate places. [2025-03-08 21:39:36,546 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 321 transitions, 646 flow [2025-03-08 21:39:36,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 320.0) internal successors, (640), 2 states have internal predecessors, (640), 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 21:39:36,547 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:39:36,547 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:39:36,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:39:36,548 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err54ASSERT_VIOLATIONDATA_RACE, thr1Err53ASSERT_VIOLATIONDATA_RACE, thr1Err52ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2025-03-08 21:39:36,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:39:36,549 INFO L85 PathProgramCache]: Analyzing trace with hash -308352266, now seen corresponding path program 1 times [2025-03-08 21:39:36,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:39:36,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850428795] [2025-03-08 21:39:36,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:39:36,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:39:36,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 21:39:36,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 21:39:36,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:36,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 21:39:36,573 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 21:39:36,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 21:39:36,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 21:39:36,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:36,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 21:39:36,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 21:39:36,603 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 21:39:36,604 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (112 of 113 remaining) [2025-03-08 21:39:36,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (111 of 113 remaining) [2025-03-08 21:39:36,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (110 of 113 remaining) [2025-03-08 21:39:36,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (109 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (108 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (107 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (106 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (105 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (104 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (103 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (102 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (101 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (100 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (99 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (98 of 113 remaining) [2025-03-08 21:39:36,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (97 of 113 remaining) [2025-03-08 21:39:36,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (96 of 113 remaining) [2025-03-08 21:39:36,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (95 of 113 remaining) [2025-03-08 21:39:36,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (94 of 113 remaining) [2025-03-08 21:39:36,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (93 of 113 remaining) [2025-03-08 21:39:36,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (92 of 113 remaining) [2025-03-08 21:39:36,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (91 of 113 remaining) [2025-03-08 21:39:36,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (90 of 113 remaining) [2025-03-08 21:39:36,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (89 of 113 remaining) [2025-03-08 21:39:36,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (88 of 113 remaining) [2025-03-08 21:39:36,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (87 of 113 remaining) [2025-03-08 21:39:36,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (86 of 113 remaining) [2025-03-08 21:39:36,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (85 of 113 remaining) [2025-03-08 21:39:36,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (84 of 113 remaining) [2025-03-08 21:39:36,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (83 of 113 remaining) [2025-03-08 21:39:36,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (82 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (81 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (80 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (79 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (78 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (77 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (76 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (75 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (74 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (73 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (72 of 113 remaining) [2025-03-08 21:39:36,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (71 of 113 remaining) [2025-03-08 21:39:36,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (70 of 113 remaining) [2025-03-08 21:39:36,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (69 of 113 remaining) [2025-03-08 21:39:36,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (68 of 113 remaining) [2025-03-08 21:39:36,611 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (67 of 113 remaining) [2025-03-08 21:39:36,611 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (66 of 113 remaining) [2025-03-08 21:39:36,611 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (65 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (64 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (63 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (62 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (61 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (60 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (59 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (58 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (57 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (56 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (55 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (54 of 113 remaining) [2025-03-08 21:39:36,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (53 of 113 remaining) [2025-03-08 21:39:36,613 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (52 of 113 remaining) [2025-03-08 21:39:36,613 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (51 of 113 remaining) [2025-03-08 21:39:36,613 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (50 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (49 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (48 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (47 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (44 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (42 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (41 of 113 remaining) [2025-03-08 21:39:36,614 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (40 of 113 remaining) [2025-03-08 21:39:36,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (39 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (37 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (36 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (35 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (34 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (33 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (32 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (31 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (30 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (29 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (27 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (26 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (25 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (23 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (22 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (20 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (19 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (18 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (17 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (16 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 113 remaining) [2025-03-08 21:39:36,616 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (14 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (13 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (11 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (10 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (8 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (7 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (6 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (5 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (4 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (3 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (2 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (1 of 113 remaining) [2025-03-08 21:39:36,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (0 of 113 remaining) [2025-03-08 21:39:36,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:39:36,618 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 21:39:36,622 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-08 21:39:36,622 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-08 21:39:36,710 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:39:36,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 664 places, 781 transitions, 1572 flow [2025-03-08 21:39:36,880 INFO L124 PetriNetUnfolderBase]: 122/795 cut-off events. [2025-03-08 21:39:36,880 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 21:39:36,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 795 events. 122/795 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4471 event pairs, 0 based on Foata normal form. 0/558 useless extension candidates. Maximal degree in co-relation 765. Up to 9 conditions per place. [2025-03-08 21:39:36,898 INFO L82 GeneralOperation]: Start removeDead. Operand has 664 places, 781 transitions, 1572 flow [2025-03-08 21:39:36,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 664 places, 781 transitions, 1572 flow [2025-03-08 21:39:36,917 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:39:36,918 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;@3b8eb1f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:39:36,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 169 error locations. [2025-03-08 21:39:36,920 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:39:36,920 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2025-03-08 21:39:36,920 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:39:36,921 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:39:36,921 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:39:36,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err55ASSERT_VIOLATIONDATA_RACE === [thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err54ASSERT_VIOLATIONDATA_RACE, thr1Err53ASSERT_VIOLATIONDATA_RACE, thr1Err52ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2025-03-08 21:39:36,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:39:36,921 INFO L85 PathProgramCache]: Analyzing trace with hash 323252297, now seen corresponding path program 1 times [2025-03-08 21:39:36,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:39:36,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393610999] [2025-03-08 21:39:36,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:39:36,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:39:36,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-08 21:39:36,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-08 21:39:36,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:36,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:39:36,944 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 21:39:36,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:39:36,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393610999] [2025-03-08 21:39:36,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393610999] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:39:36,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:39:36,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:39:36,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182580395] [2025-03-08 21:39:36,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:39:36,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:39:36,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:39:36,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:39:36,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:39:36,947 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 618 out of 781 [2025-03-08 21:39:36,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 781 transitions, 1572 flow. Second operand has 2 states, 2 states have (on average 619.0) internal successors, (1238), 2 states have internal predecessors, (1238), 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 21:39:36,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:39:36,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 618 of 781 [2025-03-08 21:39:36,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:39:37,542 INFO L124 PetriNetUnfolderBase]: 674/5163 cut-off events. [2025-03-08 21:39:37,543 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2025-03-08 21:39:37,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5657 conditions, 5163 events. 674/5163 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 50995 event pairs, 182 based on Foata normal form. 1099/5145 useless extension candidates. Maximal degree in co-relation 5244. Up to 447 conditions per place. [2025-03-08 21:39:37,590 INFO L140 encePairwiseOnDemand]: 664/781 looper letters, 28 selfloop transitions, 0 changer transitions 0/625 dead transitions. [2025-03-08 21:39:37,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 625 transitions, 1316 flow [2025-03-08 21:39:37,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:39:37,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:39:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1381 transitions. [2025-03-08 21:39:37,595 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.884122919334187 [2025-03-08 21:39:37,596 INFO L175 Difference]: Start difference. First operand has 664 places, 781 transitions, 1572 flow. Second operand 2 states and 1381 transitions. [2025-03-08 21:39:37,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 625 transitions, 1316 flow [2025-03-08 21:39:37,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 625 transitions, 1316 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:39:37,609 INFO L231 Difference]: Finished difference. Result has 573 places, 625 transitions, 1260 flow [2025-03-08 21:39:37,610 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=781, PETRI_DIFFERENCE_MINUEND_FLOW=1260, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=625, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1260, PETRI_PLACES=573, PETRI_TRANSITIONS=625} [2025-03-08 21:39:37,612 INFO L279 CegarLoopForPetriNet]: 664 programPoint places, -91 predicate places. [2025-03-08 21:39:37,612 INFO L471 AbstractCegarLoop]: Abstraction has has 573 places, 625 transitions, 1260 flow [2025-03-08 21:39:37,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 619.0) internal successors, (1238), 2 states have internal predecessors, (1238), 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 21:39:37,613 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:39:37,613 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] [2025-03-08 21:39:37,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:39:37,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err53ASSERT_VIOLATIONDATA_RACE === [thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err54ASSERT_VIOLATIONDATA_RACE, thr1Err53ASSERT_VIOLATIONDATA_RACE, thr1Err52ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2025-03-08 21:39:37,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:39:37,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1407893229, now seen corresponding path program 1 times [2025-03-08 21:39:37,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:39:37,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331241979] [2025-03-08 21:39:37,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:39:37,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:39:37,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 21:39:37,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 21:39:37,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:37,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:39:37,677 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 21:39:37,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:39:37,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331241979] [2025-03-08 21:39:37,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331241979] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:39:37,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:39:37,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:39:37,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735717756] [2025-03-08 21:39:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:39:37,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:39:37,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:39:37,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:39:37,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:39:37,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 781 [2025-03-08 21:39:37,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 625 transitions, 1260 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 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 21:39:37,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:39:37,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 781 [2025-03-08 21:39:37,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:39:40,072 INFO L124 PetriNetUnfolderBase]: 6456/33060 cut-off events. [2025-03-08 21:39:40,072 INFO L125 PetriNetUnfolderBase]: For 140/140 co-relation queries the response was YES. [2025-03-08 21:39:40,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41329 conditions, 33060 events. 6456/33060 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 450434 event pairs, 1190 based on Foata normal form. 0/26590 useless extension candidates. Maximal degree in co-relation 41324. Up to 5149 conditions per place. [2025-03-08 21:39:40,240 INFO L140 encePairwiseOnDemand]: 659/781 looper letters, 125 selfloop transitions, 90 changer transitions 0/716 dead transitions. [2025-03-08 21:39:40,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 716 transitions, 1877 flow [2025-03-08 21:39:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:39:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:39:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1813 transitions. [2025-03-08 21:39:40,311 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7737942808365343 [2025-03-08 21:39:40,311 INFO L175 Difference]: Start difference. First operand has 573 places, 625 transitions, 1260 flow. Second operand 3 states and 1813 transitions. [2025-03-08 21:39:40,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 716 transitions, 1877 flow [2025-03-08 21:39:40,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 716 transitions, 1877 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:39:40,320 INFO L231 Difference]: Finished difference. Result has 577 places, 715 transitions, 2044 flow [2025-03-08 21:39:40,321 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=781, PETRI_DIFFERENCE_MINUEND_FLOW=1260, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2044, PETRI_PLACES=577, PETRI_TRANSITIONS=715} [2025-03-08 21:39:40,321 INFO L279 CegarLoopForPetriNet]: 664 programPoint places, -87 predicate places. [2025-03-08 21:39:40,322 INFO L471 AbstractCegarLoop]: Abstraction has has 577 places, 715 transitions, 2044 flow [2025-03-08 21:39:40,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 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 21:39:40,322 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:39:40,323 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:39:40,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:39:40,323 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err54ASSERT_VIOLATIONDATA_RACE, thr1Err53ASSERT_VIOLATIONDATA_RACE, thr1Err52ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2025-03-08 21:39:40,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:39:40,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1654300788, now seen corresponding path program 1 times [2025-03-08 21:39:40,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:39:40,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981883408] [2025-03-08 21:39:40,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:39:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:39:40,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-08 21:39:40,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-08 21:39:40,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:40,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 21:39:40,333 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 21:39:40,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-08 21:39:40,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-08 21:39:40,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:40,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 21:39:40,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 21:39:40,352 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (168 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (167 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (166 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (165 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (164 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (163 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (162 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (161 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (160 of 169 remaining) [2025-03-08 21:39:40,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (159 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (158 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (157 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (156 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (155 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (154 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (153 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (152 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (151 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (150 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (149 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (148 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (147 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (146 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (145 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (144 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (143 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (142 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (141 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (140 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (139 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (138 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (137 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (136 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (135 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (134 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (133 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (132 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (131 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (130 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (129 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (128 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (127 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (126 of 169 remaining) [2025-03-08 21:39:40,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (125 of 169 remaining) [2025-03-08 21:39:40,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (124 of 169 remaining) [2025-03-08 21:39:40,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (123 of 169 remaining) [2025-03-08 21:39:40,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (122 of 169 remaining) [2025-03-08 21:39:40,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (121 of 169 remaining) [2025-03-08 21:39:40,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (120 of 169 remaining) [2025-03-08 21:39:40,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (119 of 169 remaining) [2025-03-08 21:39:40,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (118 of 169 remaining) [2025-03-08 21:39:40,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (117 of 169 remaining) [2025-03-08 21:39:40,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (116 of 169 remaining) [2025-03-08 21:39:40,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (115 of 169 remaining) [2025-03-08 21:39:40,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (114 of 169 remaining) [2025-03-08 21:39:40,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (113 of 169 remaining) [2025-03-08 21:39:40,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (112 of 169 remaining) [2025-03-08 21:39:40,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (111 of 169 remaining) [2025-03-08 21:39:40,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (110 of 169 remaining) [2025-03-08 21:39:40,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (109 of 169 remaining) [2025-03-08 21:39:40,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (108 of 169 remaining) [2025-03-08 21:39:40,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (107 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (106 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (105 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (104 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (103 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (102 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (101 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (100 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (99 of 169 remaining) [2025-03-08 21:39:40,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (98 of 169 remaining) [2025-03-08 21:39:40,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (97 of 169 remaining) [2025-03-08 21:39:40,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (96 of 169 remaining) [2025-03-08 21:39:40,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (95 of 169 remaining) [2025-03-08 21:39:40,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (94 of 169 remaining) [2025-03-08 21:39:40,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (93 of 169 remaining) [2025-03-08 21:39:40,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (92 of 169 remaining) [2025-03-08 21:39:40,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (91 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (90 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (89 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (88 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (87 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (86 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (85 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (84 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (83 of 169 remaining) [2025-03-08 21:39:40,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (82 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (81 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (80 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (79 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (78 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (77 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (76 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (75 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (74 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (73 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (72 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (71 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (70 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (69 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (68 of 169 remaining) [2025-03-08 21:39:40,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (67 of 169 remaining) [2025-03-08 21:39:40,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (66 of 169 remaining) [2025-03-08 21:39:40,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (65 of 169 remaining) [2025-03-08 21:39:40,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (64 of 169 remaining) [2025-03-08 21:39:40,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (63 of 169 remaining) [2025-03-08 21:39:40,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (62 of 169 remaining) [2025-03-08 21:39:40,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (61 of 169 remaining) [2025-03-08 21:39:40,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (60 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (59 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (58 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (57 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (56 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (55 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (54 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (53 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (52 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (51 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (50 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (49 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (48 of 169 remaining) [2025-03-08 21:39:40,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (47 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (44 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (42 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (41 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (40 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (39 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (37 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (36 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (35 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (34 of 169 remaining) [2025-03-08 21:39:40,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (33 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (32 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (31 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (30 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (29 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (27 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (26 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (25 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (23 of 169 remaining) [2025-03-08 21:39:40,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (22 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (20 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (19 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (18 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (17 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (16 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (14 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (13 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (11 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (10 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (8 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (7 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (6 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (5 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (4 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (3 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (2 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (1 of 169 remaining) [2025-03-08 21:39:40,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (0 of 169 remaining) [2025-03-08 21:39:40,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:39:40,365 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 21:39:40,366 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-08 21:39:40,366 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-03-08 21:39:40,443 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:39:40,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 985 places, 1161 transitions, 2340 flow [2025-03-08 21:39:40,750 INFO L124 PetriNetUnfolderBase]: 183/1182 cut-off events. [2025-03-08 21:39:40,750 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-08 21:39:40,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 1182 events. 183/1182 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7682 event pairs, 0 based on Foata normal form. 0/827 useless extension candidates. Maximal degree in co-relation 1144. Up to 9 conditions per place. [2025-03-08 21:39:40,776 INFO L82 GeneralOperation]: Start removeDead. Operand has 985 places, 1161 transitions, 2340 flow [2025-03-08 21:39:40,797 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 985 places, 1161 transitions, 2340 flow [2025-03-08 21:39:40,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:39:40,798 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;@3b8eb1f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:39:40,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 225 error locations. [2025-03-08 21:39:40,799 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:39:40,800 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2025-03-08 21:39:40,800 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:39:40,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:39:40,800 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:39:40,800 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err55ASSERT_VIOLATIONDATA_RACE === [thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err54ASSERT_VIOLATIONDATA_RACE, thr1Err53ASSERT_VIOLATIONDATA_RACE, thr1Err52ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2025-03-08 21:39:40,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:39:40,800 INFO L85 PathProgramCache]: Analyzing trace with hash 393497965, now seen corresponding path program 1 times [2025-03-08 21:39:40,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:39:40,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853261682] [2025-03-08 21:39:40,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:39:40,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:39:40,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-08 21:39:40,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-08 21:39:40,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:40,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:39:40,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:39:40,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:39:40,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853261682] [2025-03-08 21:39:40,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853261682] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:39:40,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:39:40,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:39:40,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762826673] [2025-03-08 21:39:40,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:39:40,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:39:40,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:39:40,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:39:40,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:39:40,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 917 out of 1161 [2025-03-08 21:39:40,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 985 places, 1161 transitions, 2340 flow. Second operand has 2 states, 2 states have (on average 918.0) internal successors, (1836), 2 states have internal predecessors, (1836), 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 21:39:40,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:39:40,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 917 of 1161 [2025-03-08 21:39:40,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:39:49,357 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3787] L784-1-->L785-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_447 256) 1) 1 0) 0)) (= v_~MTX~0_446 0)) InVars {~MTX~0=v_~MTX~0_447} OutVars{#race~MTX~0=|v_#race~MTX~0_587|, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, ~MTX~0=v_~MTX~0_446, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~MTX~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, #race~MTX~0, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][275], [982#true, 986#true, 988#true, 984#true, 3#L761-3true, 66#L790true, 948#L761-3true, 256#L785-1true]) [2025-03-08 21:39:49,357 INFO L294 olderBase$Statistics]: this new event has 173 ancestors and is cut-off event [2025-03-08 21:39:49,357 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-03-08 21:39:49,357 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2025-03-08 21:39:49,357 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2025-03-08 21:39:49,375 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3787] L784-1-->L785-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_447 256) 1) 1 0) 0)) (= v_~MTX~0_446 0)) InVars {~MTX~0=v_~MTX~0_447} OutVars{#race~MTX~0=|v_#race~MTX~0_587|, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, ~MTX~0=v_~MTX~0_446, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~MTX~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, #race~MTX~0, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][275], [982#true, 791#L726-3true, 986#true, 988#true, 984#true, 3#L761-3true, 66#L790true, 256#L785-1true]) [2025-03-08 21:39:49,376 INFO L294 olderBase$Statistics]: this new event has 174 ancestors and is cut-off event [2025-03-08 21:39:49,376 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-03-08 21:39:49,376 INFO L297 olderBase$Statistics]: existing Event has 146 ancestors and is cut-off event [2025-03-08 21:39:49,376 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2025-03-08 21:39:49,482 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3787] L784-1-->L785-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_447 256) 1) 1 0) 0)) (= v_~MTX~0_446 0)) InVars {~MTX~0=v_~MTX~0_447} OutVars{#race~MTX~0=|v_#race~MTX~0_587|, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, ~MTX~0=v_~MTX~0_446, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~MTX~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, #race~MTX~0, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][275], [982#true, 986#true, 988#true, 984#true, 3#L761-3true, 66#L790true, 357#L729-5true, 256#L785-1true]) [2025-03-08 21:39:49,482 INFO L294 olderBase$Statistics]: this new event has 182 ancestors and is cut-off event [2025-03-08 21:39:49,482 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2025-03-08 21:39:49,482 INFO L297 olderBase$Statistics]: existing Event has 170 ancestors and is cut-off event [2025-03-08 21:39:49,482 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2025-03-08 21:39:49,482 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3787] L784-1-->L785-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_447 256) 1) 1 0) 0)) (= v_~MTX~0_446 0)) InVars {~MTX~0=v_~MTX~0_447} OutVars{#race~MTX~0=|v_#race~MTX~0_587|, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, ~MTX~0=v_~MTX~0_446, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~MTX~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, #race~MTX~0, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][275], [982#true, 986#true, 988#true, 984#true, 3#L761-3true, 66#L790true, 531#L729-3true, 256#L785-1true]) [2025-03-08 21:39:49,482 INFO L294 olderBase$Statistics]: this new event has 183 ancestors and is cut-off event [2025-03-08 21:39:49,482 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2025-03-08 21:39:49,482 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2025-03-08 21:39:49,482 INFO L297 olderBase$Statistics]: existing Event has 171 ancestors and is cut-off event [2025-03-08 21:39:49,495 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4166] L784-1-->L785-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_447 256) 1) 1 0) 0)) (= v_~MTX~0_446 0)) InVars {~MTX~0=v_~MTX~0_447} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11|, #race~MTX~0=|v_#race~MTX~0_587|, ~MTX~0=v_~MTX~0_446, thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~MTX~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, #race~MTX~0, thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][396], [982#true, 986#true, 988#true, 984#true, 210#L785-1true, 62#L729-3true, 66#L790true, 948#L761-3true]) [2025-03-08 21:39:49,495 INFO L294 olderBase$Statistics]: this new event has 183 ancestors and is cut-off event [2025-03-08 21:39:49,495 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2025-03-08 21:39:49,495 INFO L297 olderBase$Statistics]: existing Event has 171 ancestors and is cut-off event [2025-03-08 21:39:49,495 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2025-03-08 21:39:49,526 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3408] L784-1-->L785-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_447 256) 1) 1 0) 0)) (= v_~MTX~0_446 0)) InVars {~MTX~0=v_~MTX~0_447} OutVars{thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, #race~MTX~0=|v_#race~MTX~0_587|, ~MTX~0=v_~MTX~0_446, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, ~MTX~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, #race~MTX~0, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][514], [982#true, 513#L729-3true, 986#true, 988#true, 984#true, 63#L785-1true, 62#L729-3true, 66#L790true]) [2025-03-08 21:39:49,526 INFO L294 olderBase$Statistics]: this new event has 193 ancestors and is cut-off event [2025-03-08 21:39:49,526 INFO L297 olderBase$Statistics]: existing Event has 181 ancestors and is cut-off event [2025-03-08 21:39:49,526 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-03-08 21:39:49,526 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-03-08 21:39:49,527 INFO L124 PetriNetUnfolderBase]: 13089/79271 cut-off events. [2025-03-08 21:39:49,527 INFO L125 PetriNetUnfolderBase]: For 1222/1222 co-relation queries the response was YES. [2025-03-08 21:39:50,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90191 conditions, 79271 events. 13089/79271 cut-off events. For 1222/1222 co-relation queries the response was YES. Maximal size of possible extension queue 2008. Compared 1268668 event pairs, 5278 based on Foata normal form. 22620/85377 useless extension candidates. Maximal degree in co-relation 83359. Up to 10088 conditions per place. [2025-03-08 21:39:50,740 INFO L140 encePairwiseOnDemand]: 986/1161 looper letters, 42 selfloop transitions, 0 changer transitions 0/929 dead transitions. [2025-03-08 21:39:50,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 850 places, 929 transitions, 1960 flow [2025-03-08 21:39:50,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:39:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:39:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2051 transitions. [2025-03-08 21:39:50,746 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8832902670111973 [2025-03-08 21:39:50,746 INFO L175 Difference]: Start difference. First operand has 985 places, 1161 transitions, 2340 flow. Second operand 2 states and 2051 transitions. [2025-03-08 21:39:50,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 850 places, 929 transitions, 1960 flow [2025-03-08 21:39:50,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 850 places, 929 transitions, 1958 flow, removed 1 selfloop flow, removed 0 redundant places. [2025-03-08 21:39:50,761 INFO L231 Difference]: Finished difference. Result has 850 places, 929 transitions, 1874 flow [2025-03-08 21:39:50,762 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1161, PETRI_DIFFERENCE_MINUEND_FLOW=1874, PETRI_DIFFERENCE_MINUEND_PLACES=849, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=929, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1874, PETRI_PLACES=850, PETRI_TRANSITIONS=929} [2025-03-08 21:39:50,762 INFO L279 CegarLoopForPetriNet]: 985 programPoint places, -135 predicate places. [2025-03-08 21:39:50,763 INFO L471 AbstractCegarLoop]: Abstraction has has 850 places, 929 transitions, 1874 flow [2025-03-08 21:39:50,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 918.0) internal successors, (1836), 2 states have internal predecessors, (1836), 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 21:39:50,764 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:39:50,764 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] [2025-03-08 21:39:50,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 21:39:50,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err53ASSERT_VIOLATIONDATA_RACE === [thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err54ASSERT_VIOLATIONDATA_RACE, thr1Err53ASSERT_VIOLATIONDATA_RACE, thr1Err52ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2025-03-08 21:39:50,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:39:50,764 INFO L85 PathProgramCache]: Analyzing trace with hash 194540593, now seen corresponding path program 1 times [2025-03-08 21:39:50,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:39:50,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881460839] [2025-03-08 21:39:50,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:39:50,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:39:50,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 21:39:50,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 21:39:50,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:39:50,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:39:50,819 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 21:39:50,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:39:50,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881460839] [2025-03-08 21:39:50,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881460839] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:39:50,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:39:50,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:39:50,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111213896] [2025-03-08 21:39:50,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:39:50,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:39:50,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:39:50,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:39:50,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:39:50,991 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 773 out of 1161 [2025-03-08 21:39:50,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 850 places, 929 transitions, 1874 flow. Second operand has 3 states, 3 states have (on average 774.3333333333334) internal successors, (2323), 3 states have internal predecessors, (2323), 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 21:39:50,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:39:50,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 773 of 1161 [2025-03-08 21:39:50,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand