./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:29:00,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:29:00,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:29:00,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:29:00,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:29:00,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:29:00,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:29:00,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:29:00,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:29:00,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:29:00,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:29:00,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:29:00,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:29:00,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:29:00,758 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:29:00,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:29:00,758 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:29:00,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:29:00,758 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:29:00,758 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:29:00,758 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:29:00,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:29:00,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:29:00,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:29:00,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:29:00,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:29:00,759 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:29:00,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:29:00,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:29:00,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:29:00,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:29:00,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:29:00,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:29:00,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:29:00,760 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-jdk21/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 -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2025-02-06 09:29:01,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:29:01,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:29:01,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:29:01,044 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:29:01,044 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:29:01,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2025-02-06 09:29:02,349 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b1d316d81/04085b77a86a48e3a767e8745608c877/FLAGc70482e19 [2025-02-06 09:29:02,620 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:29:02,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2025-02-06 09:29:02,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b1d316d81/04085b77a86a48e3a767e8745608c877/FLAGc70482e19 [2025-02-06 09:29:02,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b1d316d81/04085b77a86a48e3a767e8745608c877 [2025-02-06 09:29:02,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:29:02,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:29:02,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:29:02,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:29:02,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:29:02,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:29:02" (1/1) ... [2025-02-06 09:29:02,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190426d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:02, skipping insertion in model container [2025-02-06 09:29:02,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:29:02" (1/1) ... [2025-02-06 09:29:02,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:29:03,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:29:03,264 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:29:03,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:29:03,402 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:29:03,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03 WrapperNode [2025-02-06 09:29:03,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:29:03,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:29:03,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:29:03,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:29:03,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,578 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 3241 [2025-02-06 09:29:03,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:29:03,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:29:03,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:29:03,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:29:03,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,771 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:29:03,839 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:29:03,839 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:29:03,839 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:29:03,840 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (1/1) ... [2025-02-06 09:29:03,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:29:03,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:29:03,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:29:03,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:29:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:29:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:29:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:29:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:29:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:29:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:29:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:29:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 09:29:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 09:29:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:29:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:29:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:29:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:29:03,906 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:29:04,116 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:29:04,119 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:29:07,605 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:29:07,605 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:29:14,168 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:29:14,169 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:29:14,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:29:14 BoogieIcfgContainer [2025-02-06 09:29:14,169 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:29:14,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:29:14,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:29:14,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:29:14,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:29:02" (1/3) ... [2025-02-06 09:29:14,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d13ea87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:29:14, skipping insertion in model container [2025-02-06 09:29:14,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:03" (2/3) ... [2025-02-06 09:29:14,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d13ea87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:29:14, skipping insertion in model container [2025-02-06 09:29:14,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:29:14" (3/3) ... [2025-02-06 09:29:14,180 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2025-02-06 09:29:14,195 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:29:14,197 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-symm.wvr.c that has 3 procedures, 1062 locations, 1 initial locations, 12 loop locations, and 494 error locations. [2025-02-06 09:29:14,197 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:29:16,407 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:29:16,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1068 places, 1108 transitions, 2230 flow [2025-02-06 09:29:17,246 INFO L124 PetriNetUnfolderBase]: 47/1106 cut-off events. [2025-02-06 09:29:17,249 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:17,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 1106 events. 47/1106 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5049 event pairs, 0 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 764. Up to 7 conditions per place. [2025-02-06 09:29:17,273 INFO L82 GeneralOperation]: Start removeDead. Operand has 1068 places, 1108 transitions, 2230 flow [2025-02-06 09:29:17,314 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1046 places, 1084 transitions, 2180 flow [2025-02-06 09:29:17,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:29:17,342 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;@24c51f0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:29:17,342 INFO L334 AbstractCegarLoop]: Starting to check reachability of 970 error locations. [2025-02-06 09:29:17,353 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:29:17,353 INFO L124 PetriNetUnfolderBase]: 2/71 cut-off events. [2025-02-06 09:29:17,354 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:29:17,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:17,356 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:17,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2025-02-06 09:29:17,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash -292173343, now seen corresponding path program 1 times [2025-02-06 09:29:17,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:17,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671654409] [2025-02-06 09:29:17,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:17,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 09:29:17,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 09:29:17,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:17,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:18,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:18,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671654409] [2025-02-06 09:29:18,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671654409] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:18,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:18,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:29:18,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803068227] [2025-02-06 09:29:18,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:18,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:29:18,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:18,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:29:18,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:29:18,984 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 1108 [2025-02-06 09:29:18,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1046 places, 1084 transitions, 2180 flow. Second operand has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 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) [2025-02-06 09:29:18,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:18,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 1108 [2025-02-06 09:29:18,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:26,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:30,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:33,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:38,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:43,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:47,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:51,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:55,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:59,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:02,492 INFO L124 PetriNetUnfolderBase]: 104/835 cut-off events. [2025-02-06 09:30:02,492 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-02-06 09:30:02,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1078 conditions, 835 events. 104/835 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2200 event pairs, 15 based on Foata normal form. 36/770 useless extension candidates. Maximal degree in co-relation 617. Up to 185 conditions per place. [2025-02-06 09:30:02,502 INFO L140 encePairwiseOnDemand]: 566/1108 looper letters, 90 selfloop transitions, 40 changer transitions 16/582 dead transitions. [2025-02-06 09:30:02,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 582 transitions, 1436 flow [2025-02-06 09:30:02,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:30:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:30:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3476 transitions. [2025-02-06 09:30:02,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5228640192539109 [2025-02-06 09:30:02,548 INFO L175 Difference]: Start difference. First operand has 1046 places, 1084 transitions, 2180 flow. Second operand 6 states and 3476 transitions. [2025-02-06 09:30:02,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 582 transitions, 1436 flow [2025-02-06 09:30:02,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 582 transitions, 1428 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:30:02,575 INFO L231 Difference]: Finished difference. Result has 565 places, 566 transitions, 1216 flow [2025-02-06 09:30:02,578 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1108, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1216, PETRI_PLACES=565, PETRI_TRANSITIONS=566} [2025-02-06 09:30:02,584 INFO L279 CegarLoopForPetriNet]: 1046 programPoint places, -481 predicate places. [2025-02-06 09:30:02,584 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 566 transitions, 1216 flow [2025-02-06 09:30:02,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 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) [2025-02-06 09:30:02,586 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:02,586 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:30:02,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:30:02,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2025-02-06 09:30:02,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:02,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1382563862, now seen corresponding path program 1 times [2025-02-06 09:30:02,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:02,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893465085] [2025-02-06 09:30:02,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:02,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:02,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 09:30:02,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 09:30:02,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:02,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:30:02,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:02,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893465085] [2025-02-06 09:30:02,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893465085] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:02,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:02,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:02,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113987754] [2025-02-06 09:30:02,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:02,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:02,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:02,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:02,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:02,721 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1108 [2025-02-06 09:30:02,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 566 transitions, 1216 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2025-02-06 09:30:02,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:02,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1108 [2025-02-06 09:30:02,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:04,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:07,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:11,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:15,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:22,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:26,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:28,752 INFO L124 PetriNetUnfolderBase]: 104/818 cut-off events. [2025-02-06 09:30:28,752 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:30:28,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 818 events. 104/818 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2178 event pairs, 15 based on Foata normal form. 0/734 useless extension candidates. Maximal degree in co-relation 868. Up to 124 conditions per place. [2025-02-06 09:30:28,760 INFO L140 encePairwiseOnDemand]: 1105/1108 looper letters, 29 selfloop transitions, 2 changer transitions 0/565 dead transitions. [2025-02-06 09:30:28,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 565 transitions, 1276 flow [2025-02-06 09:30:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2025-02-06 09:30:28,771 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5321901323706378 [2025-02-06 09:30:28,771 INFO L175 Difference]: Start difference. First operand has 565 places, 566 transitions, 1216 flow. Second operand 3 states and 1769 transitions. [2025-02-06 09:30:28,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 565 transitions, 1276 flow [2025-02-06 09:30:28,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 565 transitions, 1196 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:30:28,783 INFO L231 Difference]: Finished difference. Result has 545 places, 565 transitions, 1138 flow [2025-02-06 09:30:28,784 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1108, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1138, PETRI_PLACES=545, PETRI_TRANSITIONS=565} [2025-02-06 09:30:28,785 INFO L279 CegarLoopForPetriNet]: 1046 programPoint places, -501 predicate places. [2025-02-06 09:30:28,785 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 565 transitions, 1138 flow [2025-02-06 09:30:28,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2025-02-06 09:30:28,786 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:28,786 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:30:28,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:30:28,788 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2025-02-06 09:30:28,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:28,791 INFO L85 PathProgramCache]: Analyzing trace with hash -948448672, now seen corresponding path program 1 times [2025-02-06 09:30:28,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:28,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118513754] [2025-02-06 09:30:28,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:28,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:28,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 09:30:28,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 09:30:28,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:28,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:30:28,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:28,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118513754] [2025-02-06 09:30:28,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118513754] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:28,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:28,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:28,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578095151] [2025-02-06 09:30:28,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:28,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:28,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:28,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:28,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:28,894 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1108 [2025-02-06 09:30:28,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 565 transitions, 1138 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2025-02-06 09:30:28,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:28,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1108 [2025-02-06 09:30:28,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand