./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/fib_unsafe-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/fib_unsafe-10.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 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 21:56:31,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 21:56:31,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 21:56:31,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 21:56:31,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 21:56:31,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 21:56:31,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 21:56:31,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 21:56:31,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 21:56:31,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 21:56:31,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 21:56:31,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 21:56:31,524 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 21:56:31,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 21:56:31,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 21:56:31,524 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 21:56:31,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 21:56:31,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 21:56:31,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 21:56:31,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 21:56:31,525 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 21:56:31,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 21:56:31,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 21:56:31,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 21:56:31,526 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 -> 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 [2025-03-13 21:56:31,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 21:56:31,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 21:56:31,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 21:56:31,782 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 21:56:31,783 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 21:56:31,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_unsafe-10.i [2025-03-13 21:56:33,041 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499a10640/79dcaf7024404a47948075ffd654d1fb/FLAGd0c16b4fe [2025-03-13 21:56:33,287 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 21:56:33,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_unsafe-10.i [2025-03-13 21:56:33,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499a10640/79dcaf7024404a47948075ffd654d1fb/FLAGd0c16b4fe [2025-03-13 21:56:33,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499a10640/79dcaf7024404a47948075ffd654d1fb [2025-03-13 21:56:33,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 21:56:33,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 21:56:33,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 21:56:33,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 21:56:33,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 21:56:33,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2b9dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33, skipping insertion in model container [2025-03-13 21:56:33,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 21:56:33,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 21:56:33,539 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 21:56:33,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 21:56:33,601 INFO L204 MainTranslator]: Completed translation [2025-03-13 21:56:33,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33 WrapperNode [2025-03-13 21:56:33,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 21:56:33,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 21:56:33,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 21:56:33,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 21:56:33,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,637 INFO L138 Inliner]: procedures = 164, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 117 [2025-03-13 21:56:33,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 21:56:33,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 21:56:33,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 21:56:33,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 21:56:33,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,654 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 21:56:33,667 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 21:56:33,667 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 21:56:33,667 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 21:56:33,668 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (1/1) ... [2025-03-13 21:56:33,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 21:56:33,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 21:56:33,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-13 21:56:33,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-13 21:56:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-03-13 21:56:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-03-13 21:56:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-03-13 21:56:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-03-13 21:56:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-13 21:56:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 21:56:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 21:56:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-13 21:56:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 21:56:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 21:56:33,733 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 21:56:33,846 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 21:56:33,848 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 21:56:34,127 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 21:56:34,128 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 21:56:34,128 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 21:56:34,206 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 21:56:34,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 09:56:34 BoogieIcfgContainer [2025-03-13 21:56:34,206 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 21:56:34,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 21:56:34,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 21:56:34,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 21:56:34,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 09:56:33" (1/3) ... [2025-03-13 21:56:34,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536d2621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 09:56:34, skipping insertion in model container [2025-03-13 21:56:34,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:56:33" (2/3) ... [2025-03-13 21:56:34,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536d2621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 09:56:34, skipping insertion in model container [2025-03-13 21:56:34,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 09:56:34" (3/3) ... [2025-03-13 21:56:34,217 INFO L128 eAbstractionObserver]: Analyzing ICFG fib_unsafe-10.i [2025-03-13 21:56:34,233 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 21:56:34,236 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_unsafe-10.i that has 3 procedures, 176 locations, 1 initial locations, 3 loop locations, and 30 error locations. [2025-03-13 21:56:34,236 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 21:56:34,296 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-13 21:56:34,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 183 transitions, 374 flow [2025-03-13 21:56:34,382 INFO L124 PetriNetUnfolderBase]: 8/181 cut-off events. [2025-03-13 21:56:34,384 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:34,393 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 372 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. [2025-03-13 21:56:34,393 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 183 transitions, 374 flow [2025-03-13 21:56:34,398 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 181 transitions, 368 flow [2025-03-13 21:56:34,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 21:56:34,415 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;@1a39fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 21:56:34,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2025-03-13 21:56:34,420 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 21:56:34,420 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-13 21:56:34,420 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:34,421 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:34,421 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] [2025-03-13 21:56:34,421 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)] === [2025-03-13 21:56:34,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1872559699, now seen corresponding path program 1 times [2025-03-13 21:56:34,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:34,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328183809] [2025-03-13 21:56:34,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:34,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:34,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-13 21:56:34,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-13 21:56:34,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:34,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:34,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:34,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328183809] [2025-03-13 21:56:34,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328183809] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:34,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:34,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-13 21:56:34,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673473354] [2025-03-13 21:56:34,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:34,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 21:56:34,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:34,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 21:56:34,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 21:56:34,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 183 [2025-03-13 21:56:34,611 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) [2025-03-13 21:56:34,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:34,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 183 [2025-03-13 21:56:34,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:34,714 INFO L124 PetriNetUnfolderBase]: 13/317 cut-off events. [2025-03-13 21:56:34,716 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 21:56:34,718 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 1160 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. [2025-03-13 21:56:34,722 INFO L140 encePairwiseOnDemand]: 168/183 looper letters, 7 selfloop transitions, 0 changer transitions 0/164 dead transitions. [2025-03-13 21:56:34,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 348 flow [2025-03-13 21:56:34,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 21:56:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 21:56:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2025-03-13 21:56:34,735 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9344262295081968 [2025-03-13 21:56:34,737 INFO L175 Difference]: Start difference. First operand has 180 places, 181 transitions, 368 flow. Second operand 2 states and 342 transitions. [2025-03-13 21:56:34,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 348 flow [2025-03-13 21:56:34,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:34,746 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 332 flow [2025-03-13 21:56:34,748 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} [2025-03-13 21:56:34,752 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -13 predicate places. [2025-03-13 21:56:34,753 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 332 flow [2025-03-13 21:56:34,754 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) [2025-03-13 21:56:34,754 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:34,755 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] [2025-03-13 21:56:34,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 21:56:34,755 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:34,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:34,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1839686170, now seen corresponding path program 1 times [2025-03-13 21:56:34,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:34,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438143052] [2025-03-13 21:56:34,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:34,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:34,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-13 21:56:34,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-13 21:56:34,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:34,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:34,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:34,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:34,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438143052] [2025-03-13 21:56:34,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438143052] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:34,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:34,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:34,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856592981] [2025-03-13 21:56:34,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:34,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:34,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:34,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:34,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:34,862 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-13 21:56:34,864 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) [2025-03-13 21:56:34,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:34,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-13 21:56:34,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:34,969 INFO L124 PetriNetUnfolderBase]: 63/594 cut-off events. [2025-03-13 21:56:34,969 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:34,974 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 3316 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. [2025-03-13 21:56:34,978 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2025-03-13 21:56:34,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 372 flow [2025-03-13 21:56:34,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-13 21:56:34,980 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2025-03-13 21:56:34,980 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 332 flow. Second operand 3 states and 474 transitions. [2025-03-13 21:56:34,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 372 flow [2025-03-13 21:56:34,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 21:56:34,986 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 334 flow [2025-03-13 21:56:34,987 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} [2025-03-13 21:56:34,988 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -12 predicate places. [2025-03-13 21:56:34,988 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 334 flow [2025-03-13 21:56:34,988 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) [2025-03-13 21:56:34,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:34,989 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] [2025-03-13 21:56:34,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 21:56:34,989 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:34,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:34,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1986541797, now seen corresponding path program 1 times [2025-03-13 21:56:34,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:34,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292576818] [2025-03-13 21:56:34,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:34,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:35,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-13 21:56:35,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-13 21:56:35,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:35,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:35,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:35,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292576818] [2025-03-13 21:56:35,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292576818] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:35,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:35,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:35,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094524917] [2025-03-13 21:56:35,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:35,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:35,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:35,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:35,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:35,062 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-13 21:56:35,063 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) [2025-03-13 21:56:35,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:35,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-13 21:56:35,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:35,143 INFO L124 PetriNetUnfolderBase]: 50/334 cut-off events. [2025-03-13 21:56:35,144 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 21:56:35,145 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 1538 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. [2025-03-13 21:56:35,148 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2025-03-13 21:56:35,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 370 flow [2025-03-13 21:56:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-13 21:56:35,152 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2025-03-13 21:56:35,152 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 334 flow. Second operand 3 states and 474 transitions. [2025-03-13 21:56:35,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 370 flow [2025-03-13 21:56:35,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:35,157 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 330 flow [2025-03-13 21:56:35,158 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} [2025-03-13 21:56:35,159 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -14 predicate places. [2025-03-13 21:56:35,159 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 330 flow [2025-03-13 21:56:35,159 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) [2025-03-13 21:56:35,159 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:35,159 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] [2025-03-13 21:56:35,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 21:56:35,160 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:35,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash -741763590, now seen corresponding path program 1 times [2025-03-13 21:56:35,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:35,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381231148] [2025-03-13 21:56:35,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:35,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-13 21:56:35,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-13 21:56:35,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:35,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:35,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:35,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381231148] [2025-03-13 21:56:35,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381231148] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:35,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:35,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:35,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991069645] [2025-03-13 21:56:35,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:35,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:35,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:35,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:35,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:35,233 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-13 21:56:35,234 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) [2025-03-13 21:56:35,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:35,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-13 21:56:35,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:35,274 INFO L124 PetriNetUnfolderBase]: 41/346 cut-off events. [2025-03-13 21:56:35,275 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:35,276 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 1653 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. [2025-03-13 21:56:35,278 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2025-03-13 21:56:35,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 162 transitions, 364 flow [2025-03-13 21:56:35,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-13 21:56:35,280 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-13 21:56:35,280 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 330 flow. Second operand 3 states and 473 transitions. [2025-03-13 21:56:35,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 162 transitions, 364 flow [2025-03-13 21:56:35,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 162 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:35,282 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 328 flow [2025-03-13 21:56:35,283 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} [2025-03-13 21:56:35,283 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -15 predicate places. [2025-03-13 21:56:35,283 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 328 flow [2025-03-13 21:56:35,284 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) [2025-03-13 21:56:35,284 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:35,284 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] [2025-03-13 21:56:35,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 21:56:35,284 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:35,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash -271909991, now seen corresponding path program 1 times [2025-03-13 21:56:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:35,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010470584] [2025-03-13 21:56:35,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:35,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:35,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-13 21:56:35,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-13 21:56:35,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:35,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:35,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:35,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010470584] [2025-03-13 21:56:35,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010470584] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:35,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:35,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:35,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721619252] [2025-03-13 21:56:35,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:35,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:35,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:35,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:35,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:35,360 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-13 21:56:35,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 328 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) [2025-03-13 21:56:35,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:35,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-13 21:56:35,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:35,420 INFO L124 PetriNetUnfolderBase]: 37/360 cut-off events. [2025-03-13 21:56:35,420 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 21:56:35,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 360 events. 37/360 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1731 event pairs, 16 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 440. Up to 40 conditions per place. [2025-03-13 21:56:35,423 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 13 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2025-03-13 21:56:35,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 358 flow [2025-03-13 21:56:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-13 21:56:35,425 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-13 21:56:35,425 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 328 flow. Second operand 3 states and 473 transitions. [2025-03-13 21:56:35,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 358 flow [2025-03-13 21:56:35,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:35,440 INFO L231 Difference]: Finished difference. Result has 163 places, 158 transitions, 324 flow [2025-03-13 21:56:35,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=163, PETRI_TRANSITIONS=158} [2025-03-13 21:56:35,440 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -17 predicate places. [2025-03-13 21:56:35,441 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 158 transitions, 324 flow [2025-03-13 21:56:35,441 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) [2025-03-13 21:56:35,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:35,441 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] [2025-03-13 21:56:35,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 21:56:35,441 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:35,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:35,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1202314300, now seen corresponding path program 1 times [2025-03-13 21:56:35,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:35,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955053467] [2025-03-13 21:56:35,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:35,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:35,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-13 21:56:35,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-13 21:56:35,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:35,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:35,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:35,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955053467] [2025-03-13 21:56:35,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955053467] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:35,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:35,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:35,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951798794] [2025-03-13 21:56:35,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:35,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:35,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:35,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:35,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:35,514 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2025-03-13 21:56:35,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 158 transitions, 324 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) [2025-03-13 21:56:35,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:35,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2025-03-13 21:56:35,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:35,582 INFO L124 PetriNetUnfolderBase]: 65/502 cut-off events. [2025-03-13 21:56:35,583 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:35,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 502 events. 65/502 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2728 event pairs, 24 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 622. Up to 87 conditions per place. [2025-03-13 21:56:35,587 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 16 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2025-03-13 21:56:35,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 159 transitions, 362 flow [2025-03-13 21:56:35,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2025-03-13 21:56:35,589 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2025-03-13 21:56:35,589 INFO L175 Difference]: Start difference. First operand has 163 places, 158 transitions, 324 flow. Second operand 3 states and 469 transitions. [2025-03-13 21:56:35,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 159 transitions, 362 flow [2025-03-13 21:56:35,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:35,592 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 322 flow [2025-03-13 21:56:35,592 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} [2025-03-13 21:56:35,593 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -18 predicate places. [2025-03-13 21:56:35,593 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 322 flow [2025-03-13 21:56:35,593 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) [2025-03-13 21:56:35,593 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:35,593 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] [2025-03-13 21:56:35,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 21:56:35,593 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:35,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:35,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1580796093, now seen corresponding path program 1 times [2025-03-13 21:56:35,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:35,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785643161] [2025-03-13 21:56:35,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:35,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:35,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-13 21:56:35,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-13 21:56:35,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:35,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:35,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:35,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785643161] [2025-03-13 21:56:35,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785643161] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:35,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:35,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:35,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686103751] [2025-03-13 21:56:35,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:35,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:35,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:35,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:35,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:35,669 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-13 21:56:35,670 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) [2025-03-13 21:56:35,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:35,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-13 21:56:35,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:35,730 INFO L124 PetriNetUnfolderBase]: 49/403 cut-off events. [2025-03-13 21:56:35,731 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:35,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 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 1990 event pairs, 28 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 513. Up to 71 conditions per place. [2025-03-13 21:56:35,734 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2025-03-13 21:56:35,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 159 transitions, 362 flow [2025-03-13 21:56:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-13 21:56:35,736 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2025-03-13 21:56:35,736 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 322 flow. Second operand 3 states and 474 transitions. [2025-03-13 21:56:35,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 159 transitions, 362 flow [2025-03-13 21:56:35,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:35,739 INFO L231 Difference]: Finished difference. Result has 161 places, 156 transitions, 320 flow [2025-03-13 21:56:35,739 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} [2025-03-13 21:56:35,740 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -19 predicate places. [2025-03-13 21:56:35,740 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 156 transitions, 320 flow [2025-03-13 21:56:35,740 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) [2025-03-13 21:56:35,740 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:35,740 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] [2025-03-13 21:56:35,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 21:56:35,741 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)] === [2025-03-13 21:56:35,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:35,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1882351169, now seen corresponding path program 1 times [2025-03-13 21:56:35,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:35,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348466836] [2025-03-13 21:56:35,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:35,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:35,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-13 21:56:35,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-13 21:56:35,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:35,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:35,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:35,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348466836] [2025-03-13 21:56:35,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348466836] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:35,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:35,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:35,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163889552] [2025-03-13 21:56:35,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:35,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:35,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:35,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:35,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:35,796 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-13 21:56:35,797 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) [2025-03-13 21:56:35,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:35,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-13 21:56:35,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:35,863 INFO L124 PetriNetUnfolderBase]: 37/427 cut-off events. [2025-03-13 21:56:35,864 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:35,866 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 2068 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. [2025-03-13 21:56:35,868 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 13 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2025-03-13 21:56:35,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 350 flow [2025-03-13 21:56:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-13 21:56:35,872 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-13 21:56:35,872 INFO L175 Difference]: Start difference. First operand has 161 places, 156 transitions, 320 flow. Second operand 3 states and 473 transitions. [2025-03-13 21:56:35,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 350 flow [2025-03-13 21:56:35,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:35,876 INFO L231 Difference]: Finished difference. Result has 159 places, 154 transitions, 316 flow [2025-03-13 21:56:35,876 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} [2025-03-13 21:56:35,877 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -21 predicate places. [2025-03-13 21:56:35,877 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 154 transitions, 316 flow [2025-03-13 21:56:35,877 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) [2025-03-13 21:56:35,877 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:35,877 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] [2025-03-13 21:56:35,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 21:56:35,878 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:35,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash 2030925581, now seen corresponding path program 1 times [2025-03-13 21:56:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:35,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470189911] [2025-03-13 21:56:35,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:35,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-13 21:56:35,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-13 21:56:35,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:35,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:35,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:35,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470189911] [2025-03-13 21:56:35,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470189911] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:35,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:35,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:35,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759745494] [2025-03-13 21:56:35,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:35,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:35,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:35,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:35,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:35,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 183 [2025-03-13 21:56:35,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 154 transitions, 316 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) [2025-03-13 21:56:35,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:35,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 183 [2025-03-13 21:56:35,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:35,968 INFO L124 PetriNetUnfolderBase]: 33/391 cut-off events. [2025-03-13 21:56:35,968 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:35,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 391 events. 33/391 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1767 event pairs, 6 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 461. Up to 40 conditions per place. [2025-03-13 21:56:35,971 INFO L140 encePairwiseOnDemand]: 178/183 looper letters, 11 selfloop transitions, 3 changer transitions 0/154 dead transitions. [2025-03-13 21:56:35,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 154 transitions, 344 flow [2025-03-13 21:56:35,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2025-03-13 21:56:35,973 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652094717668488 [2025-03-13 21:56:35,973 INFO L175 Difference]: Start difference. First operand has 159 places, 154 transitions, 316 flow. Second operand 3 states and 475 transitions. [2025-03-13 21:56:35,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 154 transitions, 344 flow [2025-03-13 21:56:35,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 154 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:35,975 INFO L231 Difference]: Finished difference. Result has 157 places, 152 transitions, 314 flow [2025-03-13 21:56:35,975 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=157, PETRI_TRANSITIONS=152} [2025-03-13 21:56:35,976 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -23 predicate places. [2025-03-13 21:56:35,976 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 152 transitions, 314 flow [2025-03-13 21:56:35,976 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) [2025-03-13 21:56:35,976 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:35,976 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] [2025-03-13 21:56:35,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-13 21:56:35,977 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:35,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:35,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1804340106, now seen corresponding path program 1 times [2025-03-13 21:56:35,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:35,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047844537] [2025-03-13 21:56:35,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:35,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:35,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-13 21:56:35,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-13 21:56:35,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:35,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:36,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:36,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047844537] [2025-03-13 21:56:36,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047844537] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:36,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:36,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:36,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932038130] [2025-03-13 21:56:36,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:36,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:36,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:36,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:36,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:36,017 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 183 [2025-03-13 21:56:36,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 152 transitions, 314 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) [2025-03-13 21:56:36,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:36,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 183 [2025-03-13 21:56:36,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:36,069 INFO L124 PetriNetUnfolderBase]: 35/387 cut-off events. [2025-03-13 21:56:36,070 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:36,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 387 events. 35/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1652 event pairs, 10 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 463. Up to 32 conditions per place. [2025-03-13 21:56:36,072 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 12 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2025-03-13 21:56:36,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 152 transitions, 342 flow [2025-03-13 21:56:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2025-03-13 21:56:36,074 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652094717668488 [2025-03-13 21:56:36,074 INFO L175 Difference]: Start difference. First operand has 157 places, 152 transitions, 314 flow. Second operand 3 states and 475 transitions. [2025-03-13 21:56:36,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 152 transitions, 342 flow [2025-03-13 21:56:36,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 152 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:36,077 INFO L231 Difference]: Finished difference. Result has 155 places, 150 transitions, 308 flow [2025-03-13 21:56:36,077 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=153, 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=308, PETRI_PLACES=155, PETRI_TRANSITIONS=150} [2025-03-13 21:56:36,077 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -25 predicate places. [2025-03-13 21:56:36,078 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 150 transitions, 308 flow [2025-03-13 21:56:36,078 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) [2025-03-13 21:56:36,078 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:36,078 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] [2025-03-13 21:56:36,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-13 21:56:36,078 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:36,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:36,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1604492893, now seen corresponding path program 1 times [2025-03-13 21:56:36,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:36,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550507605] [2025-03-13 21:56:36,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:36,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:36,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-13 21:56:36,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-13 21:56:36,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:36,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:36,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:36,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550507605] [2025-03-13 21:56:36,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550507605] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:36,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:36,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:36,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663136936] [2025-03-13 21:56:36,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:36,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:36,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:36,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:36,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:36,135 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-13 21:56:36,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 150 transitions, 308 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) [2025-03-13 21:56:36,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:36,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-13 21:56:36,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:36,181 INFO L124 PetriNetUnfolderBase]: 37/313 cut-off events. [2025-03-13 21:56:36,182 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:36,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 313 events. 37/313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1427 event pairs, 22 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 393. Up to 55 conditions per place. [2025-03-13 21:56:36,184 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2025-03-13 21:56:36,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 151 transitions, 342 flow [2025-03-13 21:56:36,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-13 21:56:36,186 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-13 21:56:36,186 INFO L175 Difference]: Start difference. First operand has 155 places, 150 transitions, 308 flow. Second operand 3 states and 473 transitions. [2025-03-13 21:56:36,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 151 transitions, 342 flow [2025-03-13 21:56:36,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 151 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:36,189 INFO L231 Difference]: Finished difference. Result has 154 places, 149 transitions, 306 flow [2025-03-13 21:56:36,190 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=152, 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=306, PETRI_PLACES=154, PETRI_TRANSITIONS=149} [2025-03-13 21:56:36,190 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -26 predicate places. [2025-03-13 21:56:36,190 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 149 transitions, 306 flow [2025-03-13 21:56:36,191 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) [2025-03-13 21:56:36,191 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:36,191 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] [2025-03-13 21:56:36,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-13 21:56:36,191 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:36,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:36,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1757745700, now seen corresponding path program 1 times [2025-03-13 21:56:36,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:36,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133146527] [2025-03-13 21:56:36,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:36,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:36,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-13 21:56:36,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-13 21:56:36,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:36,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:36,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:36,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133146527] [2025-03-13 21:56:36,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133146527] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:36,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:36,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:36,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133288840] [2025-03-13 21:56:36,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:36,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:36,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:36,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:36,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:36,241 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2025-03-13 21:56:36,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 149 transitions, 306 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) [2025-03-13 21:56:36,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:36,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2025-03-13 21:56:36,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:36,296 INFO L124 PetriNetUnfolderBase]: 41/415 cut-off events. [2025-03-13 21:56:36,296 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:36,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 415 events. 41/415 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2010 event pairs, 26 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 499. Up to 59 conditions per place. [2025-03-13 21:56:36,299 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2025-03-13 21:56:36,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 150 transitions, 340 flow [2025-03-13 21:56:36,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:36,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2025-03-13 21:56:36,301 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2025-03-13 21:56:36,301 INFO L175 Difference]: Start difference. First operand has 154 places, 149 transitions, 306 flow. Second operand 3 states and 473 transitions. [2025-03-13 21:56:36,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 150 transitions, 340 flow [2025-03-13 21:56:36,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 150 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:36,303 INFO L231 Difference]: Finished difference. Result has 153 places, 148 transitions, 304 flow [2025-03-13 21:56:36,304 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=151, 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=304, PETRI_PLACES=153, PETRI_TRANSITIONS=148} [2025-03-13 21:56:36,304 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -27 predicate places. [2025-03-13 21:56:36,305 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 148 transitions, 304 flow [2025-03-13 21:56:36,305 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) [2025-03-13 21:56:36,305 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:36,305 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] [2025-03-13 21:56:36,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-13 21:56:36,305 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:36,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:36,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1578875102, now seen corresponding path program 1 times [2025-03-13 21:56:36,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:36,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291939237] [2025-03-13 21:56:36,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:36,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:36,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-13 21:56:36,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-13 21:56:36,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:36,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:36,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:36,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291939237] [2025-03-13 21:56:36,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291939237] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:36,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:36,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:36,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515645832] [2025-03-13 21:56:36,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:36,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:36,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:36,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:36,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:36,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2025-03-13 21:56:36,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 148 transitions, 304 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) [2025-03-13 21:56:36,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:36,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2025-03-13 21:56:36,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:36,414 INFO L124 PetriNetUnfolderBase]: 45/415 cut-off events. [2025-03-13 21:56:36,414 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:36,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 415 events. 45/415 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2043 event pairs, 30 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 511. Up to 67 conditions per place. [2025-03-13 21:56:36,417 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2025-03-13 21:56:36,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 149 transitions, 340 flow [2025-03-13 21:56:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2025-03-13 21:56:36,419 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2025-03-13 21:56:36,419 INFO L175 Difference]: Start difference. First operand has 153 places, 148 transitions, 304 flow. Second operand 3 states and 471 transitions. [2025-03-13 21:56:36,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 149 transitions, 340 flow [2025-03-13 21:56:36,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 149 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:36,422 INFO L231 Difference]: Finished difference. Result has 152 places, 147 transitions, 302 flow [2025-03-13 21:56:36,422 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=150, 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=302, PETRI_PLACES=152, PETRI_TRANSITIONS=147} [2025-03-13 21:56:36,422 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2025-03-13 21:56:36,422 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 147 transitions, 302 flow [2025-03-13 21:56:36,423 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) [2025-03-13 21:56:36,423 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:36,423 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] [2025-03-13 21:56:36,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-13 21:56:36,423 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:36,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:36,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2080974682, now seen corresponding path program 1 times [2025-03-13 21:56:36,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:36,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592051563] [2025-03-13 21:56:36,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:36,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-13 21:56:36,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-13 21:56:36,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:36,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:36,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:36,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592051563] [2025-03-13 21:56:36,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592051563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:36,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:36,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:36,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129503251] [2025-03-13 21:56:36,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:36,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:36,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:36,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:36,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:36,462 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 183 [2025-03-13 21:56:36,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 147 transitions, 302 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) [2025-03-13 21:56:36,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:36,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 183 [2025-03-13 21:56:36,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:36,542 INFO L124 PetriNetUnfolderBase]: 39/507 cut-off events. [2025-03-13 21:56:36,543 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:36,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 507 events. 39/507 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2129 event pairs, 10 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 581. Up to 35 conditions per place. [2025-03-13 21:56:36,546 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 12 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2025-03-13 21:56:36,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 150 transitions, 336 flow [2025-03-13 21:56:36,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2025-03-13 21:56:36,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8797814207650273 [2025-03-13 21:56:36,548 INFO L175 Difference]: Start difference. First operand has 152 places, 147 transitions, 302 flow. Second operand 3 states and 483 transitions. [2025-03-13 21:56:36,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 150 transitions, 336 flow [2025-03-13 21:56:36,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 150 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:36,553 INFO L231 Difference]: Finished difference. Result has 152 places, 147 transitions, 306 flow [2025-03-13 21:56:36,554 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=152, PETRI_TRANSITIONS=147} [2025-03-13 21:56:36,554 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2025-03-13 21:56:36,554 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 147 transitions, 306 flow [2025-03-13 21:56:36,554 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) [2025-03-13 21:56:36,554 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:36,555 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 21:56:36,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-13 21:56:36,555 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:36,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:36,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2039321848, now seen corresponding path program 1 times [2025-03-13 21:56:36,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:36,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891098779] [2025-03-13 21:56:36,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:36,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:36,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-13 21:56:36,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-13 21:56:36,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:36,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:36,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:36,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891098779] [2025-03-13 21:56:36,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891098779] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:36,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:36,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:36,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165859436] [2025-03-13 21:56:36,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:36,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:36,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:36,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:36,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:36,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2025-03-13 21:56:36,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 147 transitions, 306 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) [2025-03-13 21:56:36,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:36,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2025-03-13 21:56:36,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:36,666 INFO L124 PetriNetUnfolderBase]: 57/555 cut-off events. [2025-03-13 21:56:36,666 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 21:56:36,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 555 events. 57/555 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2806 event pairs, 42 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 683. Up to 91 conditions per place. [2025-03-13 21:56:36,671 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2025-03-13 21:56:36,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 148 transitions, 342 flow [2025-03-13 21:56:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2025-03-13 21:56:36,673 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2025-03-13 21:56:36,673 INFO L175 Difference]: Start difference. First operand has 152 places, 147 transitions, 306 flow. Second operand 3 states and 471 transitions. [2025-03-13 21:56:36,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 148 transitions, 342 flow [2025-03-13 21:56:36,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 148 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 21:56:36,676 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 306 flow [2025-03-13 21:56:36,676 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2025-03-13 21:56:36,676 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2025-03-13 21:56:36,676 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 306 flow [2025-03-13 21:56:36,677 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) [2025-03-13 21:56:36,677 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:56:36,677 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] [2025-03-13 21:56:36,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-13 21:56:36,677 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2025-03-13 21:56:36,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:56:36,678 INFO L85 PathProgramCache]: Analyzing trace with hash 54498341, now seen corresponding path program 1 times [2025-03-13 21:56:36,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:56:36,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96337694] [2025-03-13 21:56:36,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:56:36,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:56:36,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-13 21:56:36,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-13 21:56:36,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:56:36,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:56:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:56:36,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:56:36,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96337694] [2025-03-13 21:56:36,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96337694] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:56:36,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:56:36,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:56:36,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832727824] [2025-03-13 21:56:36,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:56:36,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:56:36,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:56:36,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:56:36,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:56:36,740 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2025-03-13 21:56:36,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 306 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) [2025-03-13 21:56:36,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:56:36,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2025-03-13 21:56:36,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:56:36,788 INFO L124 PetriNetUnfolderBase]: 61/555 cut-off events. [2025-03-13 21:56:36,789 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:56:36,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 555 events. 61/555 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2744 event pairs, 46 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 695. Up to 99 conditions per place. [2025-03-13 21:56:36,791 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 0 selfloop transitions, 0 changer transitions 147/147 dead transitions. [2025-03-13 21:56:36,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 147 transitions, 344 flow [2025-03-13 21:56:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:56:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:56:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2025-03-13 21:56:36,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2025-03-13 21:56:36,793 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 306 flow. Second operand 3 states and 469 transitions. [2025-03-13 21:56:36,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 147 transitions, 344 flow [2025-03-13 21:56:36,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 147 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:56:36,795 INFO L231 Difference]: Finished difference. Result has 151 places, 0 transitions, 0 flow [2025-03-13 21:56:36,796 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=151, PETRI_TRANSITIONS=0} [2025-03-13 21:56:36,796 INFO L279 CegarLoopForPetriNet]: 180 programPoint places, -29 predicate places. [2025-03-13 21:56:36,797 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 0 transitions, 0 flow [2025-03-13 21:56:36,797 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) [2025-03-13 21:56:36,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2025-03-13 21:56:36,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2025-03-13 21:56:36,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2025-03-13 21:56:36,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2025-03-13 21:56:36,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2025-03-13 21:56:36,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2025-03-13 21:56:36,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2025-03-13 21:56:36,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2025-03-13 21:56:36,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-13 21:56:36,802 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 21:56:36,806 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 21:56:36,806 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 21:56:36,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 09:56:36 BasicIcfg [2025-03-13 21:56:36,810 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 21:56:36,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 21:56:36,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 21:56:36,811 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 21:56:36,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 09:56:34" (3/4) ... [2025-03-13 21:56:36,812 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 21:56:36,814 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t1 [2025-03-13 21:56:36,814 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t2 [2025-03-13 21:56:36,816 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-13 21:56:36,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-13 21:56:36,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-13 21:56:36,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 21:56:36,882 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 21:56:36,882 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 21:56:36,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 21:56:36,883 INFO L158 Benchmark]: Toolchain (without parser) took 3569.24ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 112.6MB in the beginning and 307.4MB in the end (delta: -194.8MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2025-03-13 21:56:36,883 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 21:56:36,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.50ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 92.7MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 21:56:36,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.40ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 91.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 21:56:36,884 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 21:56:36,884 INFO L158 Benchmark]: IcfgBuilder took 539.13ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 64.1MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-13 21:56:36,884 INFO L158 Benchmark]: TraceAbstraction took 2601.21ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.2MB in the beginning and 311.8MB in the end (delta: -248.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2025-03-13 21:56:36,884 INFO L158 Benchmark]: Witness Printer took 71.66ms. Allocated memory is still 427.8MB. Free memory was 311.8MB in the beginning and 307.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 21:56:36,885 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.50ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 92.7MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.40ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 91.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.64ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 539.13ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 64.1MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2601.21ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.2MB in the beginning and 311.8MB in the end (delta: -248.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 71.66ms. Allocated memory is still 427.8MB. Free memory was 311.8MB in the beginning and 307.4MB in the end (delta: 4.4MB). 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, 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: 2.5s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 508 IncrementalHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 70 mSDtfsCounter, 508 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=0, InterpolantAutomatonStates: 47, 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, 0.5s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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! [2025-03-13 21:56:36,902 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