./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/fib_unsafe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:34:48,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:34:48,256 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:34:48,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:34:48,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:34:48,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:34:48,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:34:48,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:34:48,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:34:48,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:34:48,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:34:48,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:34:48,282 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:34:48,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:34:48,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:34:48,282 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:34:48,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:34:48,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:34:48,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:34:48,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:34:48,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:34:48,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:34:48,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:34:48,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:34:48,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:34:48,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:34:48,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:34:48,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:34:48,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:34:48,284 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 -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2025-03-08 21:34:48,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:34:48,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:34:48,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:34:48,553 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:34:48,554 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:34:48,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_unsafe-6.i [2025-03-08 21:34:49,691 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba84e4c6/afed04f3b2534d74ae1ef4ad2d3b40c3/FLAG4e08968ba [2025-03-08 21:34:49,982 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:34:49,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_unsafe-6.i [2025-03-08 21:34:49,997 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba84e4c6/afed04f3b2534d74ae1ef4ad2d3b40c3/FLAG4e08968ba [2025-03-08 21:34:50,266 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba84e4c6/afed04f3b2534d74ae1ef4ad2d3b40c3 [2025-03-08 21:34:50,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:34:50,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:34:50,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:34:50,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:34:50,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:34:50,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c453938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50, skipping insertion in model container [2025-03-08 21:34:50,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:34:50,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:34:50,523 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:34:50,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:34:50,577 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:34:50,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50 WrapperNode [2025-03-08 21:34:50,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:34:50,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:34:50,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:34:50,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:34:50,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,603 INFO L138 Inliner]: procedures = 164, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 117 [2025-03-08 21:34:50,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:34:50,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:34:50,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:34:50,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:34:50,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,614 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:34:50,618 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:34:50,618 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:34:50,618 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:34:50,619 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (1/1) ... [2025-03-08 21:34:50,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:34:50,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:34:50,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 21:34:50,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 21:34:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-03-08 21:34:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-03-08 21:34:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-03-08 21:34:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-03-08 21:34:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 21:34:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:34:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:34:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 21:34:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:34:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:34:50,674 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:34:50,766 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:34:50,767 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:34:50,977 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:34:50,977 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:34:51,039 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:34:51,039 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:34:51,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:34:51 BoogieIcfgContainer [2025-03-08 21:34:51,040 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:34:51,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:34:51,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:34:51,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:34:51,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:34:50" (1/3) ... [2025-03-08 21:34:51,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c66febd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:34:51, skipping insertion in model container [2025-03-08 21:34:51,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:50" (2/3) ... [2025-03-08 21:34:51,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c66febd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:34:51, skipping insertion in model container [2025-03-08 21:34:51,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:34:51" (3/3) ... [2025-03-08 21:34:51,048 INFO L128 eAbstractionObserver]: Analyzing ICFG fib_unsafe-6.i [2025-03-08 21:34:51,058 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:34:51,059 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_unsafe-6.i that has 3 procedures, 176 locations, 1 initial locations, 3 loop locations, and 30 error locations. [2025-03-08 21:34:51,059 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:34:51,107 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:34:51,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 183 transitions, 374 flow [2025-03-08 21:34:51,189 INFO L124 PetriNetUnfolderBase]: 8/181 cut-off events. [2025-03-08 21:34:51,191 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:51,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 181 events. 8/181 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 373 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2025-03-08 21:34:51,196 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 183 transitions, 374 flow [2025-03-08 21:34:51,201 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 181 transitions, 368 flow [2025-03-08 21:34:51,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:34:51,218 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;@59230023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:34:51,219 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2025-03-08 21:34:51,226 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:34:51,226 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-08 21:34:51,226 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:51,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:51,227 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:51,227 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:51,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:51,231 INFO L85 PathProgramCache]: Analyzing trace with hash 34642534, now seen corresponding path program 1 times [2025-03-08 21:34:51,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:51,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404307977] [2025-03-08 21:34:51,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:51,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:51,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 21:34:51,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 21:34:51,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:51,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:51,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:51,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404307977] [2025-03-08 21:34:51,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404307977] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:51,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:51,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:34:51,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224817692] [2025-03-08 21:34:51,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:51,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:34:51,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:51,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:34:51,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:34:51,407 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 183 [2025-03-08 21:34:51,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 181 transitions, 368 flow. Second operand has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:51,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:51,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 183 [2025-03-08 21:34:51,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:51,502 INFO L124 PetriNetUnfolderBase]: 13/317 cut-off events. [2025-03-08 21:34:51,504 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 21:34:51,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 317 events. 13/317 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1162 event pairs, 6 based on Foata normal form. 23/286 useless extension candidates. Maximal degree in co-relation 312. Up to 21 conditions per place. [2025-03-08 21:34:51,510 INFO L140 encePairwiseOnDemand]: 168/183 looper letters, 7 selfloop transitions, 0 changer transitions 0/164 dead transitions. [2025-03-08 21:34:51,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 348 flow [2025-03-08 21:34:51,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:34:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:34:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2025-03-08 21:34:51,524 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9344262295081968 [2025-03-08 21:34:51,525 INFO L175 Difference]: Start difference. First operand has 180 places, 181 transitions, 368 flow. Second operand 2 states and 342 transitions. [2025-03-08 21:34:51,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 348 flow [2025-03-08 21:34:51,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:51,532 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 332 flow [2025-03-08 21:34:51,534 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=332, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2025-03-08 21:34:51,538 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -13 predicate places. [2025-03-08 21:34:51,538 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 332 flow [2025-03-08 21:34:51,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:51,539 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:51,539 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:51,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:34:51,540 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:51,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:51,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1127263437, now seen corresponding path program 1 times [2025-03-08 21:34:51,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:51,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176433555] [2025-03-08 21:34:51,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:51,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:51,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-08 21:34:51,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-08 21:34:51,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:51,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:51,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:51,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176433555] [2025-03-08 21:34:51,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176433555] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:51,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:51,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:51,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000994399] [2025-03-08 21:34:51,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:51,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:51,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:51,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:51,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:51,628 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-08 21:34:51,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:51,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:51,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-08 21:34:51,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:51,707 INFO L124 PetriNetUnfolderBase]: 63/594 cut-off events. [2025-03-08 21:34:51,708 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:51,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 594 events. 63/594 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3283 event pairs, 29 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 716. Up to 81 conditions per place. [2025-03-08 21:34:51,717 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2025-03-08 21:34:51,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 372 flow [2025-03-08 21:34:51,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 21:34:51,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2025-03-08 21:34:51,721 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 332 flow. Second operand 3 states and 474 transitions. [2025-03-08 21:34:51,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 372 flow [2025-03-08 21:34:51,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:34:51,726 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 334 flow [2025-03-08 21:34:51,726 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2025-03-08 21:34:51,727 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -12 predicate places. [2025-03-08 21:34:51,727 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 334 flow [2025-03-08 21:34:51,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:51,728 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:51,728 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:51,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:34:51,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:51,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:51,729 INFO L85 PathProgramCache]: Analyzing trace with hash 44660795, now seen corresponding path program 1 times [2025-03-08 21:34:51,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:51,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701040537] [2025-03-08 21:34:51,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:51,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:51,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-08 21:34:51,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-08 21:34:51,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:51,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:51,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:51,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701040537] [2025-03-08 21:34:51,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701040537] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:51,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:51,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:51,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912001461] [2025-03-08 21:34:51,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:51,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:51,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:51,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:51,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:51,806 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-08 21:34:51,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:51,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:51,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-08 21:34:51,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:51,872 INFO L124 PetriNetUnfolderBase]: 50/334 cut-off events. [2025-03-08 21:34:51,873 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-08 21:34:51,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 334 events. 50/334 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1527 event pairs, 11 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 447. Up to 55 conditions per place. [2025-03-08 21:34:51,877 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2025-03-08 21:34:51,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 370 flow [2025-03-08 21:34:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 21:34:51,880 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2025-03-08 21:34:51,880 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 334 flow. Second operand 3 states and 474 transitions. [2025-03-08 21:34:51,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 370 flow [2025-03-08 21:34:51,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:51,882 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 330 flow [2025-03-08 21:34:51,882 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2025-03-08 21:34:51,885 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -14 predicate places. [2025-03-08 21:34:51,885 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 330 flow [2025-03-08 21:34:51,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:51,886 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:51,886 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:51,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:34:51,886 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:51,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:51,887 INFO L85 PathProgramCache]: Analyzing trace with hash -979585613, now seen corresponding path program 1 times [2025-03-08 21:34:51,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:51,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594497917] [2025-03-08 21:34:51,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:51,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:51,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-08 21:34:51,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-08 21:34:51,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:51,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:51,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:51,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594497917] [2025-03-08 21:34:51,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594497917] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:51,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:51,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:51,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263719609] [2025-03-08 21:34:51,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:51,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:51,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:51,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:51,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:51,959 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-08 21:34:51,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:51,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:51,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-08 21:34:51,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,013 INFO L124 PetriNetUnfolderBase]: 41/346 cut-off events. [2025-03-08 21:34:52,014 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:52,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 346 events. 41/346 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1665 event pairs, 26 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 428. Up to 59 conditions per place. [2025-03-08 21:34:52,017 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2025-03-08 21:34:52,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 162 transitions, 364 flow [2025-03-08 21:34:52,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-08 21:34:52,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-08 21:34:52,020 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 330 flow. Second operand 3 states and 473 transitions. [2025-03-08 21:34:52,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 162 transitions, 364 flow [2025-03-08 21:34:52,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 162 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:52,024 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 328 flow [2025-03-08 21:34:52,024 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=165, PETRI_TRANSITIONS=160} [2025-03-08 21:34:52,025 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -15 predicate places. [2025-03-08 21:34:52,026 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 328 flow [2025-03-08 21:34:52,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,026 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,026 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] [2025-03-08 21:34:52,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:34:52,027 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,028 INFO L85 PathProgramCache]: Analyzing trace with hash 537829956, now seen corresponding path program 1 times [2025-03-08 21:34:52,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313014169] [2025-03-08 21:34:52,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 21:34:52,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 21:34:52,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:52,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:52,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313014169] [2025-03-08 21:34:52,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313014169] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:52,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:52,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:52,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730767718] [2025-03-08 21:34:52,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:52,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:52,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:52,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:52,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:52,089 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2025-03-08 21:34:52,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:52,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2025-03-08 21:34:52,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,182 INFO L124 PetriNetUnfolderBase]: 65/510 cut-off events. [2025-03-08 21:34:52,182 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:52,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 510 events. 65/510 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2802 event pairs, 24 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 626. Up to 87 conditions per place. [2025-03-08 21:34:52,189 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 16 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2025-03-08 21:34:52,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 366 flow [2025-03-08 21:34:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2025-03-08 21:34:52,190 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2025-03-08 21:34:52,191 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 328 flow. Second operand 3 states and 469 transitions. [2025-03-08 21:34:52,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 366 flow [2025-03-08 21:34:52,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:52,192 INFO L231 Difference]: Finished difference. Result has 164 places, 159 transitions, 326 flow [2025-03-08 21:34:52,193 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=164, PETRI_TRANSITIONS=159} [2025-03-08 21:34:52,195 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -16 predicate places. [2025-03-08 21:34:52,195 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 159 transitions, 326 flow [2025-03-08 21:34:52,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,196 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,196 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] [2025-03-08 21:34:52,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:34:52,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1468234265, now seen corresponding path program 1 times [2025-03-08 21:34:52,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261457353] [2025-03-08 21:34:52,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 21:34:52,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 21:34:52,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:52,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:52,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261457353] [2025-03-08 21:34:52,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261457353] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:52,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:52,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:52,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108538122] [2025-03-08 21:34:52,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:52,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:52,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:52,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:52,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:52,247 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-08 21:34:52,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 159 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:52,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-08 21:34:52,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,304 INFO L124 PetriNetUnfolderBase]: 37/358 cut-off events. [2025-03-08 21:34:52,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:52,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 358 events. 37/358 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1741 event pairs, 16 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 434. Up to 40 conditions per place. [2025-03-08 21:34:52,307 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 13 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2025-03-08 21:34:52,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 159 transitions, 356 flow [2025-03-08 21:34:52,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-08 21:34:52,311 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-08 21:34:52,311 INFO L175 Difference]: Start difference. First operand has 164 places, 159 transitions, 326 flow. Second operand 3 states and 473 transitions. [2025-03-08 21:34:52,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 159 transitions, 356 flow [2025-03-08 21:34:52,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:52,313 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 322 flow [2025-03-08 21:34:52,313 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=162, PETRI_TRANSITIONS=157} [2025-03-08 21:34:52,314 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -18 predicate places. [2025-03-08 21:34:52,314 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 322 flow [2025-03-08 21:34:52,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,314 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,314 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:52,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 21:34:52,314 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1198535268, now seen corresponding path program 1 times [2025-03-08 21:34:52,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17192015] [2025-03-08 21:34:52,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-08 21:34:52,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-08 21:34:52,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:52,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:52,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17192015] [2025-03-08 21:34:52,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17192015] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:52,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:52,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:52,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164213666] [2025-03-08 21:34:52,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:52,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:52,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:52,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:52,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:52,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-08 21:34:52,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 157 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:52,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-08 21:34:52,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,431 INFO L124 PetriNetUnfolderBase]: 49/403 cut-off events. [2025-03-08 21:34:52,431 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:52,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 403 events. 49/403 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1951 event pairs, 28 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 525. Up to 71 conditions per place. [2025-03-08 21:34:52,434 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2025-03-08 21:34:52,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 159 transitions, 362 flow [2025-03-08 21:34:52,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 21:34:52,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2025-03-08 21:34:52,436 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 322 flow. Second operand 3 states and 474 transitions. [2025-03-08 21:34:52,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 159 transitions, 362 flow [2025-03-08 21:34:52,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:52,439 INFO L231 Difference]: Finished difference. Result has 161 places, 156 transitions, 320 flow [2025-03-08 21:34:52,439 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=161, PETRI_TRANSITIONS=156} [2025-03-08 21:34:52,440 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -19 predicate places. [2025-03-08 21:34:52,440 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 156 transitions, 320 flow [2025-03-08 21:34:52,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,440 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,441 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:52,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 21:34:52,441 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2030355302, now seen corresponding path program 1 times [2025-03-08 21:34:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928421416] [2025-03-08 21:34:52,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-08 21:34:52,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-08 21:34:52,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:52,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:52,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928421416] [2025-03-08 21:34:52,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928421416] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:52,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:52,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:52,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275558274] [2025-03-08 21:34:52,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:52,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:52,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:52,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:52,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:52,498 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-08 21:34:52,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 156 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:52,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-08 21:34:52,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,558 INFO L124 PetriNetUnfolderBase]: 37/427 cut-off events. [2025-03-08 21:34:52,558 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:52,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 427 events. 37/427 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2066 event pairs, 10 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 501. Up to 40 conditions per place. [2025-03-08 21:34:52,561 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 13 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2025-03-08 21:34:52,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 350 flow [2025-03-08 21:34:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-08 21:34:52,563 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-08 21:34:52,563 INFO L175 Difference]: Start difference. First operand has 161 places, 156 transitions, 320 flow. Second operand 3 states and 473 transitions. [2025-03-08 21:34:52,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 350 flow [2025-03-08 21:34:52,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:52,569 INFO L231 Difference]: Finished difference. Result has 159 places, 154 transitions, 316 flow [2025-03-08 21:34:52,570 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=159, PETRI_TRANSITIONS=154} [2025-03-08 21:34:52,570 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -21 predicate places. [2025-03-08 21:34:52,570 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 154 transitions, 316 flow [2025-03-08 21:34:52,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,571 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,571 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] [2025-03-08 21:34:52,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 21:34:52,571 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,571 INFO L85 PathProgramCache]: Analyzing trace with hash -290113610, now seen corresponding path program 1 times [2025-03-08 21:34:52,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302456934] [2025-03-08 21:34:52,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-08 21:34:52,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-08 21:34:52,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:52,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:52,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302456934] [2025-03-08 21:34:52,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302456934] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:52,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:52,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 21:34:52,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595307782] [2025-03-08 21:34:52,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:52,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:52,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:52,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:52,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:52,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 183 [2025-03-08 21:34:52,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 154 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:52,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 183 [2025-03-08 21:34:52,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,674 INFO L124 PetriNetUnfolderBase]: 25/567 cut-off events. [2025-03-08 21:34:52,674 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:52,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 567 events. 25/567 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2468 event pairs, 6 based on Foata normal form. 4/495 useless extension candidates. Maximal degree in co-relation 632. Up to 29 conditions per place. [2025-03-08 21:34:52,678 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 12 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2025-03-08 21:34:52,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 350 flow [2025-03-08 21:34:52,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2025-03-08 21:34:52,679 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8797814207650273 [2025-03-08 21:34:52,680 INFO L175 Difference]: Start difference. First operand has 159 places, 154 transitions, 316 flow. Second operand 3 states and 483 transitions. [2025-03-08 21:34:52,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 350 flow [2025-03-08 21:34:52,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 157 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:52,682 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 324 flow [2025-03-08 21:34:52,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2025-03-08 21:34:52,683 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -20 predicate places. [2025-03-08 21:34:52,683 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 324 flow [2025-03-08 21:34:52,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,684 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] [2025-03-08 21:34:52,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 21:34:52,684 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,685 INFO L85 PathProgramCache]: Analyzing trace with hash -290112787, now seen corresponding path program 1 times [2025-03-08 21:34:52,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13398646] [2025-03-08 21:34:52,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-08 21:34:52,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-08 21:34:52,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:52,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:52,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13398646] [2025-03-08 21:34:52,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13398646] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:52,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:52,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:52,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715989591] [2025-03-08 21:34:52,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:52,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:52,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:52,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:52,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:52,723 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 183 [2025-03-08 21:34:52,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:52,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 183 [2025-03-08 21:34:52,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,784 INFO L124 PetriNetUnfolderBase]: 57/553 cut-off events. [2025-03-08 21:34:52,784 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 21:34:52,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 553 events. 57/553 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2417 event pairs, 10 based on Foata normal form. 0/491 useless extension candidates. Maximal degree in co-relation 664. Up to 66 conditions per place. [2025-03-08 21:34:52,787 INFO L140 encePairwiseOnDemand]: 178/183 looper letters, 11 selfloop transitions, 3 changer transitions 0/155 dead transitions. [2025-03-08 21:34:52,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 155 transitions, 352 flow [2025-03-08 21:34:52,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2025-03-08 21:34:52,788 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652094717668488 [2025-03-08 21:34:52,788 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 324 flow. Second operand 3 states and 475 transitions. [2025-03-08 21:34:52,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 155 transitions, 352 flow [2025-03-08 21:34:52,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 155 transitions, 350 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:34:52,790 INFO L231 Difference]: Finished difference. Result has 159 places, 153 transitions, 324 flow [2025-03-08 21:34:52,790 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=159, PETRI_TRANSITIONS=153} [2025-03-08 21:34:52,791 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -21 predicate places. [2025-03-08 21:34:52,791 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 153 transitions, 324 flow [2025-03-08 21:34:52,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,791 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,791 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] [2025-03-08 21:34:52,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 21:34:52,791 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,792 INFO L85 PathProgramCache]: Analyzing trace with hash 374494858, now seen corresponding path program 1 times [2025-03-08 21:34:52,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073072882] [2025-03-08 21:34:52,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-08 21:34:52,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-08 21:34:52,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:52,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:52,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073072882] [2025-03-08 21:34:52,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073072882] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:52,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:52,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:52,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693636581] [2025-03-08 21:34:52,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:52,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:52,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:52,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:52,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:52,825 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 183 [2025-03-08 21:34:52,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 153 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:52,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 183 [2025-03-08 21:34:52,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,876 INFO L124 PetriNetUnfolderBase]: 65/561 cut-off events. [2025-03-08 21:34:52,876 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:52,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 561 events. 65/561 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2490 event pairs, 14 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 700. Up to 72 conditions per place. [2025-03-08 21:34:52,880 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 12 selfloop transitions, 2 changer transitions 0/153 dead transitions. [2025-03-08 21:34:52,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 153 transitions, 352 flow [2025-03-08 21:34:52,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2025-03-08 21:34:52,881 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652094717668488 [2025-03-08 21:34:52,881 INFO L175 Difference]: Start difference. First operand has 159 places, 153 transitions, 324 flow. Second operand 3 states and 475 transitions. [2025-03-08 21:34:52,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 153 transitions, 352 flow [2025-03-08 21:34:52,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 153 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:52,883 INFO L231 Difference]: Finished difference. Result has 157 places, 151 transitions, 318 flow [2025-03-08 21:34:52,884 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=157, PETRI_TRANSITIONS=151} [2025-03-08 21:34:52,885 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -23 predicate places. [2025-03-08 21:34:52,885 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 151 transitions, 318 flow [2025-03-08 21:34:52,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,885 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,885 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] [2025-03-08 21:34:52,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 21:34:52,885 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1314944668, now seen corresponding path program 1 times [2025-03-08 21:34:52,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72362284] [2025-03-08 21:34:52,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-08 21:34:52,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-08 21:34:52,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:52,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:52,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:52,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72362284] [2025-03-08 21:34:52,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72362284] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:52,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:52,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:52,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9584156] [2025-03-08 21:34:52,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:52,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:52,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:52,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:52,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:52,930 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-08 21:34:52,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 151 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:52,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-08 21:34:52,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:52,976 INFO L124 PetriNetUnfolderBase]: 37/409 cut-off events. [2025-03-08 21:34:52,976 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:52,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 409 events. 37/409 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1535 event pairs, 24 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 500. Up to 55 conditions per place. [2025-03-08 21:34:52,978 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2025-03-08 21:34:52,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 152 transitions, 352 flow [2025-03-08 21:34:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:52,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-08 21:34:52,979 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-08 21:34:52,980 INFO L175 Difference]: Start difference. First operand has 157 places, 151 transitions, 318 flow. Second operand 3 states and 473 transitions. [2025-03-08 21:34:52,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 152 transitions, 352 flow [2025-03-08 21:34:52,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 152 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:52,982 INFO L231 Difference]: Finished difference. Result has 156 places, 150 transitions, 316 flow [2025-03-08 21:34:52,982 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=156, PETRI_TRANSITIONS=150} [2025-03-08 21:34:52,984 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -24 predicate places. [2025-03-08 21:34:52,984 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 150 transitions, 316 flow [2025-03-08 21:34:52,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:52,984 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:52,984 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] [2025-03-08 21:34:52,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 21:34:52,985 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:52,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:52,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1634374500, now seen corresponding path program 1 times [2025-03-08 21:34:52,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:52,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159353126] [2025-03-08 21:34:52,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:52,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:52,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-08 21:34:52,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-08 21:34:52,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:52,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:53,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:53,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159353126] [2025-03-08 21:34:53,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159353126] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:53,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:53,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:53,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954606034] [2025-03-08 21:34:53,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:53,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:53,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:53,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:53,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:53,029 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-08 21:34:53,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 150 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:53,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-08 21:34:53,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:53,086 INFO L124 PetriNetUnfolderBase]: 61/567 cut-off events. [2025-03-08 21:34:53,086 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:53,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 567 events. 61/567 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2719 event pairs, 38 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 704. Up to 83 conditions per place. [2025-03-08 21:34:53,091 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2025-03-08 21:34:53,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 151 transitions, 350 flow [2025-03-08 21:34:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-08 21:34:53,093 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-08 21:34:53,093 INFO L175 Difference]: Start difference. First operand has 156 places, 150 transitions, 316 flow. Second operand 3 states and 473 transitions. [2025-03-08 21:34:53,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 151 transitions, 350 flow [2025-03-08 21:34:53,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 151 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:53,096 INFO L231 Difference]: Finished difference. Result has 155 places, 149 transitions, 314 flow [2025-03-08 21:34:53,096 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=155, PETRI_TRANSITIONS=149} [2025-03-08 21:34:53,097 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -25 predicate places. [2025-03-08 21:34:53,097 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 149 transitions, 314 flow [2025-03-08 21:34:53,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,097 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:53,097 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] [2025-03-08 21:34:53,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 21:34:53,097 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:53,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:53,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2031917957, now seen corresponding path program 1 times [2025-03-08 21:34:53,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:53,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554730533] [2025-03-08 21:34:53,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:53,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:53,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-08 21:34:53,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-08 21:34:53,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:53,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:53,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:53,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554730533] [2025-03-08 21:34:53,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554730533] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:53,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:53,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:53,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046247536] [2025-03-08 21:34:53,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:53,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:53,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:53,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:53,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:53,150 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2025-03-08 21:34:53,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 149 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:53,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2025-03-08 21:34:53,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:53,196 INFO L124 PetriNetUnfolderBase]: 65/563 cut-off events. [2025-03-08 21:34:53,196 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:53,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 725 conditions, 563 events. 65/563 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2784 event pairs, 42 based on Foata normal form. 0/533 useless extension candidates. Maximal degree in co-relation 720. Up to 91 conditions per place. [2025-03-08 21:34:53,199 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2025-03-08 21:34:53,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 150 transitions, 350 flow [2025-03-08 21:34:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2025-03-08 21:34:53,201 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2025-03-08 21:34:53,201 INFO L175 Difference]: Start difference. First operand has 155 places, 149 transitions, 314 flow. Second operand 3 states and 471 transitions. [2025-03-08 21:34:53,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 150 transitions, 350 flow [2025-03-08 21:34:53,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 150 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:53,204 INFO L231 Difference]: Finished difference. Result has 154 places, 148 transitions, 312 flow [2025-03-08 21:34:53,204 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=154, PETRI_TRANSITIONS=148} [2025-03-08 21:34:53,204 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -26 predicate places. [2025-03-08 21:34:53,204 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 148 transitions, 312 flow [2025-03-08 21:34:53,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:53,205 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] [2025-03-08 21:34:53,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 21:34:53,206 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:53,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:53,206 INFO L85 PathProgramCache]: Analyzing trace with hash 401536390, now seen corresponding path program 1 times [2025-03-08 21:34:53,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:53,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552668632] [2025-03-08 21:34:53,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:53,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:53,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-08 21:34:53,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-08 21:34:53,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:53,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:53,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:53,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552668632] [2025-03-08 21:34:53,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552668632] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:53,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:53,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:53,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690612780] [2025-03-08 21:34:53,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:53,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:53,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:53,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:53,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:53,244 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 183 [2025-03-08 21:34:53,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 148 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:53,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 183 [2025-03-08 21:34:53,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:53,298 INFO L124 PetriNetUnfolderBase]: 51/535 cut-off events. [2025-03-08 21:34:53,298 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:53,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 535 events. 51/535 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2309 event pairs, 10 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 642. Up to 50 conditions per place. [2025-03-08 21:34:53,300 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 11 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2025-03-08 21:34:53,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 150 transitions, 342 flow [2025-03-08 21:34:53,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:53,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2025-03-08 21:34:53,302 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8779599271402551 [2025-03-08 21:34:53,302 INFO L175 Difference]: Start difference. First operand has 154 places, 148 transitions, 312 flow. Second operand 3 states and 482 transitions. [2025-03-08 21:34:53,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 150 transitions, 342 flow [2025-03-08 21:34:53,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 150 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:53,305 INFO L231 Difference]: Finished difference. Result has 154 places, 148 transitions, 316 flow [2025-03-08 21:34:53,305 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=154, PETRI_TRANSITIONS=148} [2025-03-08 21:34:53,305 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -26 predicate places. [2025-03-08 21:34:53,305 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 148 transitions, 316 flow [2025-03-08 21:34:53,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:53,306 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:53,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 21:34:53,306 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:53,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:53,306 INFO L85 PathProgramCache]: Analyzing trace with hash -179450328, now seen corresponding path program 1 times [2025-03-08 21:34:53,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:53,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997652178] [2025-03-08 21:34:53,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:53,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:53,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-08 21:34:53,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-08 21:34:53,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:53,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:53,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:53,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997652178] [2025-03-08 21:34:53,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997652178] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:53,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:53,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:53,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987922104] [2025-03-08 21:34:53,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:53,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:53,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:53,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:53,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:53,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2025-03-08 21:34:53,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 148 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:53,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2025-03-08 21:34:53,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:53,398 INFO L124 PetriNetUnfolderBase]: 69/551 cut-off events. [2025-03-08 21:34:53,399 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-08 21:34:53,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 551 events. 69/551 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2743 event pairs, 46 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 720. Up to 99 conditions per place. [2025-03-08 21:34:53,401 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2025-03-08 21:34:53,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 149 transitions, 352 flow [2025-03-08 21:34:53,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2025-03-08 21:34:53,403 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2025-03-08 21:34:53,403 INFO L175 Difference]: Start difference. First operand has 154 places, 148 transitions, 316 flow. Second operand 3 states and 471 transitions. [2025-03-08 21:34:53,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 149 transitions, 352 flow [2025-03-08 21:34:53,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 149 transitions, 350 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:34:53,405 INFO L231 Difference]: Finished difference. Result has 154 places, 147 transitions, 316 flow [2025-03-08 21:34:53,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=154, PETRI_TRANSITIONS=147} [2025-03-08 21:34:53,405 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -26 predicate places. [2025-03-08 21:34:53,406 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 147 transitions, 316 flow [2025-03-08 21:34:53,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,407 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:53,407 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] [2025-03-08 21:34:53,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 21:34:53,407 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-08 21:34:53,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:53,408 INFO L85 PathProgramCache]: Analyzing trace with hash 281682885, now seen corresponding path program 1 times [2025-03-08 21:34:53,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:53,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834812491] [2025-03-08 21:34:53,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:53,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:53,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-08 21:34:53,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-08 21:34:53,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:53,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:53,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:53,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834812491] [2025-03-08 21:34:53,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834812491] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:53,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:53,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:53,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763986222] [2025-03-08 21:34:53,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:53,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:53,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:53,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:53,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:53,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2025-03-08 21:34:53,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 147 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:53,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2025-03-08 21:34:53,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:53,497 INFO L124 PetriNetUnfolderBase]: 57/535 cut-off events. [2025-03-08 21:34:53,497 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:53,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 535 events. 57/535 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2425 event pairs, 42 based on Foata normal form. 0/523 useless extension candidates. Maximal degree in co-relation 692. Up to 91 conditions per place. [2025-03-08 21:34:53,500 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 0 selfloop transitions, 0 changer transitions 148/148 dead transitions. [2025-03-08 21:34:53,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 148 transitions, 354 flow [2025-03-08 21:34:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:53,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2025-03-08 21:34:53,503 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2025-03-08 21:34:53,503 INFO L175 Difference]: Start difference. First operand has 154 places, 147 transitions, 316 flow. Second operand 3 states and 469 transitions. [2025-03-08 21:34:53,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 148 transitions, 354 flow [2025-03-08 21:34:53,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 148 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:53,505 INFO L231 Difference]: Finished difference. Result has 153 places, 0 transitions, 0 flow [2025-03-08 21:34:53,505 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=153, PETRI_TRANSITIONS=0} [2025-03-08 21:34:53,505 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -27 predicate places. [2025-03-08 21:34:53,505 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 0 transitions, 0 flow [2025-03-08 21:34:53,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2025-03-08 21:34:53,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2025-03-08 21:34:53,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2025-03-08 21:34:53,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2025-03-08 21:34:53,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2025-03-08 21:34:53,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2025-03-08 21:34:53,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2025-03-08 21:34:53,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2025-03-08 21:34:53,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2025-03-08 21:34:53,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 21:34:53,511 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:53,515 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:34:53,515 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:34:53,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:34:53 BasicIcfg [2025-03-08 21:34:53,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:34:53,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:34:53,521 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:34:53,521 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:34:53,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:34:51" (3/4) ... [2025-03-08 21:34:53,523 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:34:53,525 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t1 [2025-03-08 21:34:53,525 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t2 [2025-03-08 21:34:53,528 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-08 21:34:53,528 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-08 21:34:53,528 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 21:34:53,529 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 21:34:53,579 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:34:53,579 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:34:53,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:34:53,580 INFO L158 Benchmark]: Toolchain (without parser) took 3310.56ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 111.2MB in the beginning and 56.7MB in the end (delta: 54.5MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2025-03-08 21:34:53,580 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:34:53,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.14ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 91.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 21:34:53,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.99ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:34:53,582 INFO L158 Benchmark]: Boogie Preprocessor took 13.53ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.4MB in the end (delta: 979.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:34:53,582 INFO L158 Benchmark]: IcfgBuilder took 421.56ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 63.7MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 21:34:53,583 INFO L158 Benchmark]: TraceAbstraction took 2478.00ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 63.2MB in the beginning and 61.5MB in the end (delta: 1.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2025-03-08 21:34:53,583 INFO L158 Benchmark]: Witness Printer took 57.77ms. Allocated memory is still 176.2MB. Free memory was 61.5MB in the beginning and 56.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:34:53,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.14ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 91.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.99ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.53ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.4MB in the end (delta: 979.1kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 421.56ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 63.7MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2478.00ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 63.2MB in the beginning and 61.5MB in the end (delta: 1.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 57.77ms. Allocated memory is still 176.2MB. Free memory was 61.5MB in the beginning and 56.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: 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, 236 locations, 245 edges, 46 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: 2.4s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 328 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 514 IncrementalHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 51 mSDtfsCounter, 514 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=0, 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, 0.4s InterpolantComputationTime, 791 NumberOfCodeBlocks, 791 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 21:34:53,599 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