./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 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/weaver/popl20-bad-counter-queue.wvr.c -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 387879bf92b16ead997b40b3e249348f8a6b399496756f9bc3c41b6dc3c21353 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:25:12,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:25:12,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:25:12,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:25:12,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:25:12,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:25:12,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:25:12,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:25:12,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:25:12,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:25:12,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:25:12,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:25:12,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:25:12,413 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:25:12,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:25:12,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:25:12,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:25:12,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:25:12,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:25:12,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:25:12,414 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 -> 387879bf92b16ead997b40b3e249348f8a6b399496756f9bc3c41b6dc3c21353 [2025-03-13 22:25:12,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:25:12,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:25:12,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:25:12,655 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:25:12,655 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:25:12,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2025-03-13 22:25:13,864 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1bd6266/bb4bf3227e6d4d46bff35e9c212dd6b5/FLAG6009cde75 [2025-03-13 22:25:14,083 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:25:14,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2025-03-13 22:25:14,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1bd6266/bb4bf3227e6d4d46bff35e9c212dd6b5/FLAG6009cde75 [2025-03-13 22:25:14,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1bd6266/bb4bf3227e6d4d46bff35e9c212dd6b5 [2025-03-13 22:25:14,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:25:14,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:25:14,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:25:14,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:25:14,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:25:14,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f626cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14, skipping insertion in model container [2025-03-13 22:25:14,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:25:14,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:25:14,603 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:25:14,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:25:14,629 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:25:14,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14 WrapperNode [2025-03-13 22:25:14,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:25:14,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:25:14,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:25:14,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:25:14,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,668 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 166 [2025-03-13 22:25:14,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:25:14,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:25:14,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:25:14,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:25:14,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,690 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:25:14,699 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:25:14,700 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:25:14,700 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:25:14,701 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (1/1) ... [2025-03-13 22:25:14,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:25:14,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:25:14,728 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) [2025-03-13 22:25:14,731 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 [2025-03-13 22:25:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:25:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:25:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:25:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:25:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:25:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:25:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:25:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-13 22:25:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:25:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:25:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-13 22:25:14,752 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:25:14,830 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:25:14,832 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:25:15,121 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:25:15,122 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:25:15,122 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:25:15,140 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:25:15,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:25:15 BoogieIcfgContainer [2025-03-13 22:25:15,140 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:25:15,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:25:15,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:25:15,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:25:15,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:25:14" (1/3) ... [2025-03-13 22:25:15,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb9354d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:25:15, skipping insertion in model container [2025-03-13 22:25:15,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:14" (2/3) ... [2025-03-13 22:25:15,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb9354d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:25:15, skipping insertion in model container [2025-03-13 22:25:15,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:25:15" (3/3) ... [2025-03-13 22:25:15,147 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2025-03-13 22:25:15,157 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:25:15,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue.wvr.c that has 3 procedures, 209 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2025-03-13 22:25:15,159 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:25:15,254 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:25:15,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 220 transitions, 454 flow [2025-03-13 22:25:15,344 INFO L124 PetriNetUnfolderBase]: 12/218 cut-off events. [2025-03-13 22:25:15,348 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:25:15,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 218 events. 12/218 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 144. Up to 2 conditions per place. [2025-03-13 22:25:15,355 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 220 transitions, 454 flow [2025-03-13 22:25:15,361 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 201 transitions, 411 flow [2025-03-13 22:25:15,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:25:15,381 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;@419096d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:25:15,381 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-03-13 22:25:15,386 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:25:15,387 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-03-13 22:25:15,387 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:25:15,387 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:15,387 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:25:15,388 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:15,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:15,392 INFO L85 PathProgramCache]: Analyzing trace with hash -852725143, now seen corresponding path program 1 times [2025-03-13 22:25:15,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:15,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841452598] [2025-03-13 22:25:15,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:15,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:15,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-13 22:25:15,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-13 22:25:15,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:15,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:15,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:15,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841452598] [2025-03-13 22:25:15,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841452598] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:15,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:15,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:15,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080088790] [2025-03-13 22:25:15,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:15,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:15,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:15,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:15,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:15,566 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 220 [2025-03-13 22:25:15,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 201 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-13 22:25:15,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:15,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 220 [2025-03-13 22:25:15,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:15,664 INFO L124 PetriNetUnfolderBase]: 14/355 cut-off events. [2025-03-13 22:25:15,666 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-13 22:25:15,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 355 events. 14/355 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 937 event pairs, 8 based on Foata normal form. 14/330 useless extension candidates. Maximal degree in co-relation 297. Up to 31 conditions per place. [2025-03-13 22:25:15,673 INFO L140 encePairwiseOnDemand]: 209/220 looper letters, 11 selfloop transitions, 2 changer transitions 2/192 dead transitions. [2025-03-13 22:25:15,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 192 transitions, 419 flow [2025-03-13 22:25:15,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 604 transitions. [2025-03-13 22:25:15,687 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9151515151515152 [2025-03-13 22:25:15,689 INFO L175 Difference]: Start difference. First operand has 197 places, 201 transitions, 411 flow. Second operand 3 states and 604 transitions. [2025-03-13 22:25:15,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 192 transitions, 419 flow [2025-03-13 22:25:15,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 192 transitions, 414 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-13 22:25:15,715 INFO L231 Difference]: Finished difference. Result has 195 places, 190 transitions, 388 flow [2025-03-13 22:25:15,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=195, PETRI_TRANSITIONS=190} [2025-03-13 22:25:15,721 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -2 predicate places. [2025-03-13 22:25:15,721 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 190 transitions, 388 flow [2025-03-13 22:25:15,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-13 22:25:15,722 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:15,722 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] [2025-03-13 22:25:15,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:25:15,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:15,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:15,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1545417568, now seen corresponding path program 1 times [2025-03-13 22:25:15,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:15,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476089331] [2025-03-13 22:25:15,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:15,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-13 22:25:15,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-13 22:25:15,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:15,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:15,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:15,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476089331] [2025-03-13 22:25:15,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476089331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:15,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:15,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:15,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118042342] [2025-03-13 22:25:15,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:15,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:15,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:15,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:15,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:15,797 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 220 [2025-03-13 22:25:15,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 190 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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) [2025-03-13 22:25:15,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:15,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 220 [2025-03-13 22:25:15,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:15,857 INFO L124 PetriNetUnfolderBase]: 26/501 cut-off events. [2025-03-13 22:25:15,858 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 22:25:15,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 501 events. 26/501 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1923 event pairs, 15 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 538. Up to 49 conditions per place. [2025-03-13 22:25:15,861 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 11 selfloop transitions, 1 changer transitions 0/187 dead transitions. [2025-03-13 22:25:15,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 187 transitions, 406 flow [2025-03-13 22:25:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2025-03-13 22:25:15,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9045454545454545 [2025-03-13 22:25:15,863 INFO L175 Difference]: Start difference. First operand has 195 places, 190 transitions, 388 flow. Second operand 3 states and 597 transitions. [2025-03-13 22:25:15,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 187 transitions, 406 flow [2025-03-13 22:25:15,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:25:15,867 INFO L231 Difference]: Finished difference. Result has 190 places, 187 transitions, 380 flow [2025-03-13 22:25:15,867 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=190, PETRI_TRANSITIONS=187} [2025-03-13 22:25:15,867 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -7 predicate places. [2025-03-13 22:25:15,868 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 187 transitions, 380 flow [2025-03-13 22:25:15,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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) [2025-03-13 22:25:15,868 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:15,868 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] [2025-03-13 22:25:15,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:25:15,869 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:15,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:15,869 INFO L85 PathProgramCache]: Analyzing trace with hash -829025927, now seen corresponding path program 1 times [2025-03-13 22:25:15,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:15,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775320483] [2025-03-13 22:25:15,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:15,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:15,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-13 22:25:15,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-13 22:25:15,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:15,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:16,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:16,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775320483] [2025-03-13 22:25:16,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775320483] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:16,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:16,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:25:16,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816735237] [2025-03-13 22:25:16,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:16,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:25:16,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:16,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:25:16,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:25:16,529 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 220 [2025-03-13 22:25:16,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 187 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 183.5) internal successors, (1101), 6 states have internal predecessors, (1101), 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) [2025-03-13 22:25:16,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:16,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 220 [2025-03-13 22:25:16,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:16,659 INFO L124 PetriNetUnfolderBase]: 56/629 cut-off events. [2025-03-13 22:25:16,659 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-13 22:25:16,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 759 conditions, 629 events. 56/629 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2784 event pairs, 35 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 733. Up to 109 conditions per place. [2025-03-13 22:25:16,663 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 21 selfloop transitions, 5 changer transitions 0/186 dead transitions. [2025-03-13 22:25:16,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 186 transitions, 430 flow [2025-03-13 22:25:16,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:25:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:25:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1119 transitions. [2025-03-13 22:25:16,665 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8477272727272728 [2025-03-13 22:25:16,665 INFO L175 Difference]: Start difference. First operand has 190 places, 187 transitions, 380 flow. Second operand 6 states and 1119 transitions. [2025-03-13 22:25:16,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 186 transitions, 430 flow [2025-03-13 22:25:16,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 186 transitions, 429 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:25:16,691 INFO L231 Difference]: Finished difference. Result has 193 places, 186 transitions, 387 flow [2025-03-13 22:25:16,692 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=193, PETRI_TRANSITIONS=186} [2025-03-13 22:25:16,692 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -4 predicate places. [2025-03-13 22:25:16,692 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 186 transitions, 387 flow [2025-03-13 22:25:16,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.5) internal successors, (1101), 6 states have internal predecessors, (1101), 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) [2025-03-13 22:25:16,696 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:16,696 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] [2025-03-13 22:25:16,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:25:16,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:16,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:16,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1647576223, now seen corresponding path program 1 times [2025-03-13 22:25:16,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:16,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750929189] [2025-03-13 22:25:16,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:16,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:16,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-13 22:25:16,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-13 22:25:16,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:16,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:16,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:16,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750929189] [2025-03-13 22:25:16,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750929189] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:16,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:16,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:16,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851429760] [2025-03-13 22:25:16,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:16,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:16,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:16,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:16,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:16,769 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 220 [2025-03-13 22:25:16,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 186 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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) [2025-03-13 22:25:16,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:16,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 220 [2025-03-13 22:25:16,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:16,817 INFO L124 PetriNetUnfolderBase]: 13/303 cut-off events. [2025-03-13 22:25:16,818 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 22:25:16,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 303 events. 13/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 706 event pairs, 8 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 329. Up to 27 conditions per place. [2025-03-13 22:25:16,820 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 10 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2025-03-13 22:25:16,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 185 transitions, 409 flow [2025-03-13 22:25:16,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:16,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions. [2025-03-13 22:25:16,822 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.906060606060606 [2025-03-13 22:25:16,822 INFO L175 Difference]: Start difference. First operand has 193 places, 186 transitions, 387 flow. Second operand 3 states and 598 transitions. [2025-03-13 22:25:16,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 185 transitions, 409 flow [2025-03-13 22:25:16,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 185 transitions, 399 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:25:16,826 INFO L231 Difference]: Finished difference. Result has 189 places, 185 transitions, 379 flow [2025-03-13 22:25:16,827 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=189, PETRI_TRANSITIONS=185} [2025-03-13 22:25:16,827 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -8 predicate places. [2025-03-13 22:25:16,828 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 185 transitions, 379 flow [2025-03-13 22:25:16,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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) [2025-03-13 22:25:16,828 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:16,829 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:25:16,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:25:16,829 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:16,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:16,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1425018801, now seen corresponding path program 1 times [2025-03-13 22:25:16,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:16,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085097073] [2025-03-13 22:25:16,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:16,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-13 22:25:16,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-13 22:25:16,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:16,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:16,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:16,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085097073] [2025-03-13 22:25:16,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085097073] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:16,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:16,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:16,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466908339] [2025-03-13 22:25:16,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:16,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:16,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:16,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:16,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:16,885 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 220 [2025-03-13 22:25:16,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 185 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2025-03-13 22:25:16,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:16,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 220 [2025-03-13 22:25:16,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:16,969 INFO L124 PetriNetUnfolderBase]: 30/512 cut-off events. [2025-03-13 22:25:16,969 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-13 22:25:16,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 512 events. 30/512 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1958 event pairs, 6 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 556. Up to 51 conditions per place. [2025-03-13 22:25:16,972 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 12 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2025-03-13 22:25:16,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 187 transitions, 414 flow [2025-03-13 22:25:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2025-03-13 22:25:16,974 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9196969696969697 [2025-03-13 22:25:16,975 INFO L175 Difference]: Start difference. First operand has 189 places, 185 transitions, 379 flow. Second operand 3 states and 607 transitions. [2025-03-13 22:25:16,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 187 transitions, 414 flow [2025-03-13 22:25:16,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 187 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:25:16,978 INFO L231 Difference]: Finished difference. Result has 188 places, 185 transitions, 385 flow [2025-03-13 22:25:16,980 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=188, PETRI_TRANSITIONS=185} [2025-03-13 22:25:16,981 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2025-03-13 22:25:16,982 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 185 transitions, 385 flow [2025-03-13 22:25:16,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2025-03-13 22:25:16,983 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:16,983 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] [2025-03-13 22:25:16,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:25:16,983 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:16,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:16,984 INFO L85 PathProgramCache]: Analyzing trace with hash 19514770, now seen corresponding path program 1 times [2025-03-13 22:25:16,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:16,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847841345] [2025-03-13 22:25:16,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:16,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:16,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-13 22:25:17,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-13 22:25:17,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:17,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:17,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:17,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847841345] [2025-03-13 22:25:17,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847841345] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:17,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:17,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-13 22:25:17,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430997594] [2025-03-13 22:25:17,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:17,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-13 22:25:17,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:17,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-13 22:25:17,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-13 22:25:17,249 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2025-03-13 22:25:17,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 185 transitions, 385 flow. Second operand has 7 states, 7 states have (on average 190.85714285714286) internal successors, (1336), 7 states have internal predecessors, (1336), 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) [2025-03-13 22:25:17,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:17,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2025-03-13 22:25:17,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:17,396 INFO L124 PetriNetUnfolderBase]: 33/600 cut-off events. [2025-03-13 22:25:17,396 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-13 22:25:17,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 600 events. 33/600 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2412 event pairs, 14 based on Foata normal form. 3/563 useless extension candidates. Maximal degree in co-relation 701. Up to 49 conditions per place. [2025-03-13 22:25:17,400 INFO L140 encePairwiseOnDemand]: 207/220 looper letters, 19 selfloop transitions, 14 changer transitions 0/198 dead transitions. [2025-03-13 22:25:17,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 198 transitions, 483 flow [2025-03-13 22:25:17,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-13 22:25:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-13 22:25:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1924 transitions. [2025-03-13 22:25:17,403 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8745454545454545 [2025-03-13 22:25:17,403 INFO L175 Difference]: Start difference. First operand has 188 places, 185 transitions, 385 flow. Second operand 10 states and 1924 transitions. [2025-03-13 22:25:17,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 198 transitions, 483 flow [2025-03-13 22:25:17,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 198 transitions, 483 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:25:17,406 INFO L231 Difference]: Finished difference. Result has 201 places, 192 transitions, 451 flow [2025-03-13 22:25:17,406 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=451, PETRI_PLACES=201, PETRI_TRANSITIONS=192} [2025-03-13 22:25:17,407 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, 4 predicate places. [2025-03-13 22:25:17,407 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 192 transitions, 451 flow [2025-03-13 22:25:17,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 190.85714285714286) internal successors, (1336), 7 states have internal predecessors, (1336), 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) [2025-03-13 22:25:17,408 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:17,408 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] [2025-03-13 22:25:17,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:25:17,408 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:17,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:17,409 INFO L85 PathProgramCache]: Analyzing trace with hash -245979245, now seen corresponding path program 1 times [2025-03-13 22:25:17,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:17,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351415710] [2025-03-13 22:25:17,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:17,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:17,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-13 22:25:17,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-13 22:25:17,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:17,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:17,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:17,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351415710] [2025-03-13 22:25:17,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351415710] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:17,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:17,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-13 22:25:17,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180801187] [2025-03-13 22:25:17,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:17,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-13 22:25:17,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:17,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-13 22:25:17,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-13 22:25:17,626 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2025-03-13 22:25:17,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 192 transitions, 451 flow. Second operand has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2025-03-13 22:25:17,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:17,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2025-03-13 22:25:17,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:17,749 INFO L124 PetriNetUnfolderBase]: 31/446 cut-off events. [2025-03-13 22:25:17,749 INFO L125 PetriNetUnfolderBase]: For 32/33 co-relation queries the response was YES. [2025-03-13 22:25:17,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 446 events. 31/446 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1554 event pairs, 15 based on Foata normal form. 2/427 useless extension candidates. Maximal degree in co-relation 544. Up to 53 conditions per place. [2025-03-13 22:25:17,751 INFO L140 encePairwiseOnDemand]: 207/220 looper letters, 13 selfloop transitions, 8 changer transitions 12/198 dead transitions. [2025-03-13 22:25:17,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 198 transitions, 530 flow [2025-03-13 22:25:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-13 22:25:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-13 22:25:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1922 transitions. [2025-03-13 22:25:17,755 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8736363636363637 [2025-03-13 22:25:17,755 INFO L175 Difference]: Start difference. First operand has 201 places, 192 transitions, 451 flow. Second operand 10 states and 1922 transitions. [2025-03-13 22:25:17,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 198 transitions, 530 flow [2025-03-13 22:25:17,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 198 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:25:17,758 INFO L231 Difference]: Finished difference. Result has 211 places, 186 transitions, 439 flow [2025-03-13 22:25:17,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=439, PETRI_PLACES=211, PETRI_TRANSITIONS=186} [2025-03-13 22:25:17,759 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, 14 predicate places. [2025-03-13 22:25:17,759 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 186 transitions, 439 flow [2025-03-13 22:25:17,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2025-03-13 22:25:17,760 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:17,760 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] [2025-03-13 22:25:17,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:25:17,760 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:17,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:17,761 INFO L85 PathProgramCache]: Analyzing trace with hash 995831228, now seen corresponding path program 1 times [2025-03-13 22:25:17,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:17,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105588023] [2025-03-13 22:25:17,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:17,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:17,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-13 22:25:17,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-13 22:25:17,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:17,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:25:18,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:18,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105588023] [2025-03-13 22:25:18,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105588023] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:18,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:18,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:25:18,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607683314] [2025-03-13 22:25:18,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:18,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:25:18,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:18,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:25:18,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:25:18,174 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2025-03-13 22:25:18,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 186 transitions, 439 flow. Second operand has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 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) [2025-03-13 22:25:18,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:18,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2025-03-13 22:25:18,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:18,253 INFO L124 PetriNetUnfolderBase]: 31/389 cut-off events. [2025-03-13 22:25:18,254 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-13 22:25:18,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 389 events. 31/389 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1171 event pairs, 8 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 506. Up to 39 conditions per place. [2025-03-13 22:25:18,256 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 22 selfloop transitions, 5 changer transitions 0/193 dead transitions. [2025-03-13 22:25:18,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 193 transitions, 515 flow [2025-03-13 22:25:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:25:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:25:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1162 transitions. [2025-03-13 22:25:18,259 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8803030303030303 [2025-03-13 22:25:18,259 INFO L175 Difference]: Start difference. First operand has 211 places, 186 transitions, 439 flow. Second operand 6 states and 1162 transitions. [2025-03-13 22:25:18,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 193 transitions, 515 flow [2025-03-13 22:25:18,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 193 transitions, 471 flow, removed 7 selfloop flow, removed 13 redundant places. [2025-03-13 22:25:18,262 INFO L231 Difference]: Finished difference. Result has 194 places, 185 transitions, 403 flow [2025-03-13 22:25:18,263 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=403, PETRI_PLACES=194, PETRI_TRANSITIONS=185} [2025-03-13 22:25:18,263 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -3 predicate places. [2025-03-13 22:25:18,263 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 185 transitions, 403 flow [2025-03-13 22:25:18,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 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) [2025-03-13 22:25:18,264 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:18,264 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:25:18,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:25:18,265 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:25:18,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash 949995581, now seen corresponding path program 1 times [2025-03-13 22:25:18,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:18,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906075069] [2025-03-13 22:25:18,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:18,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:18,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-13 22:25:18,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-13 22:25:18,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:18,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:25:18,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:18,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906075069] [2025-03-13 22:25:18,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906075069] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:18,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:18,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:25:18,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338502419] [2025-03-13 22:25:18,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:18,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:25:18,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:18,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:25:18,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:25:18,763 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2025-03-13 22:25:18,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 185 transitions, 403 flow. Second operand has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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) [2025-03-13 22:25:18,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:18,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2025-03-13 22:25:18,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:18,841 INFO L124 PetriNetUnfolderBase]: 40/413 cut-off events. [2025-03-13 22:25:18,841 INFO L125 PetriNetUnfolderBase]: For 21/22 co-relation queries the response was YES. [2025-03-13 22:25:18,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 413 events. 40/413 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1430 event pairs, 10 based on Foata normal form. 0/387 useless extension candidates. Maximal degree in co-relation 504. Up to 43 conditions per place. [2025-03-13 22:25:18,843 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 0 selfloop transitions, 0 changer transitions 192/192 dead transitions. [2025-03-13 22:25:18,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 192 transitions, 475 flow [2025-03-13 22:25:18,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:25:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:25:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1162 transitions. [2025-03-13 22:25:18,846 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8803030303030303 [2025-03-13 22:25:18,846 INFO L175 Difference]: Start difference. First operand has 194 places, 185 transitions, 403 flow. Second operand 6 states and 1162 transitions. [2025-03-13 22:25:18,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 192 transitions, 475 flow [2025-03-13 22:25:18,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 192 transitions, 465 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:25:18,848 INFO L231 Difference]: Finished difference. Result has 193 places, 0 transitions, 0 flow [2025-03-13 22:25:18,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=193, PETRI_TRANSITIONS=0} [2025-03-13 22:25:18,849 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -4 predicate places. [2025-03-13 22:25:18,849 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 0 transitions, 0 flow [2025-03-13 22:25:18,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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) [2025-03-13 22:25:18,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 18 remaining) [2025-03-13 22:25:18,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2025-03-13 22:25:18,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2025-03-13 22:25:18,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2025-03-13 22:25:18,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2025-03-13 22:25:18,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2025-03-13 22:25:18,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2025-03-13 22:25:18,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2025-03-13 22:25:18,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-13 22:25:18,854 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:25:18,858 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:25:18,858 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:25:18,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:25:18 BasicIcfg [2025-03-13 22:25:18,862 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:25:18,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:25:18,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:25:18,863 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:25:18,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:25:15" (3/4) ... [2025-03-13 22:25:18,864 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:25:18,866 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:25:18,866 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:25:18,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-13 22:25:18,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:25:18,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:25:18,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:25:18,934 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:25:18,934 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:25:18,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:25:18,935 INFO L158 Benchmark]: Toolchain (without parser) took 4486.04ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 124.6MB in the beginning and 136.8MB in the end (delta: -12.2MB). Peak memory consumption was 155.0MB. Max. memory is 16.1GB. [2025-03-13 22:25:18,935 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:25:18,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.48ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 112.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:25:18,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.16ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 110.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:25:18,935 INFO L158 Benchmark]: Boogie Preprocessor took 29.03ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 109.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:25:18,935 INFO L158 Benchmark]: IcfgBuilder took 441.43ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 88.1MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:25:18,936 INFO L158 Benchmark]: TraceAbstraction took 3720.10ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 87.3MB in the beginning and 143.4MB in the end (delta: -56.2MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. [2025-03-13 22:25:18,936 INFO L158 Benchmark]: Witness Printer took 71.92ms. Allocated memory is still 335.5MB. Free memory was 143.4MB in the beginning and 136.8MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:25:18,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.48ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 112.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.16ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 110.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.03ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 109.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 441.43ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 88.1MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3720.10ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 87.3MB in the beginning and 143.4MB in the end (delta: -56.2MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. * Witness Printer took 71.92ms. Allocated memory is still 335.5MB. Free memory was 143.4MB in the beginning and 136.8MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 315 locations, 18 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 681 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 445 mSDsluCounter, 420 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 387 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1093 IncrementalHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 33 mSDtfsCounter, 1093 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=451occurred in iteration=6, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:25:18,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE