./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:25:44,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:25:44,841 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:25:44,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:25:44,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:25:44,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:25:44,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:25:44,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:25:44,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:25:44,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:25:44,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:25:44,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:25:44,869 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:25:44,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:25:44,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:25:44,869 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:25:44,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:25:44,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:25:44,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:25:44,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:25:44,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:25:44,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:25:44,870 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:25:44,870 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:25:44,870 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:25:44,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:25:44,870 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:25:44,870 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:25:44,871 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:25:44,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:25:44,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:25:44,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:25:44,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:25:44,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:25:44,871 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:25:44,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:25:44,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:25:44,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:25:44,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:25:44,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:25:44,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:25:44,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:25:44,872 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 -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a [2025-03-13 22:25:45,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:25:45,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:25:45,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:25:45,117 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:25:45,117 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:25:45,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2025-03-13 22:25:46,288 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e373e8f38/9e2e2fcb7caf4b99bda8927e91aa366e/FLAG747c228c6 [2025-03-13 22:25:46,531 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:25:46,533 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2025-03-13 22:25:46,540 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e373e8f38/9e2e2fcb7caf4b99bda8927e91aa366e/FLAG747c228c6 [2025-03-13 22:25:46,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e373e8f38/9e2e2fcb7caf4b99bda8927e91aa366e [2025-03-13 22:25:46,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:25:46,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:25:46,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:25:46,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:25:46,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:25:46,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207b3483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46, skipping insertion in model container [2025-03-13 22:25:46,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:25:46,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:25:46,718 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:25:46,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:25:46,746 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:25:46,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46 WrapperNode [2025-03-13 22:25:46,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:25:46,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:25:46,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:25:46,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:25:46,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,778 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 260 [2025-03-13 22:25:46,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:25:46,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:25:46,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:25:46,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:25:46,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,793 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:25:46,807 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:25:46,808 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:25:46,808 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:25:46,809 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (1/1) ... [2025-03-13 22:25:46,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:25:46,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:25:46,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-13 22:25:46,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-13 22:25:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:25:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:25:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:25:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:25:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:25:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-13 22:25:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-13 22:25:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:25:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:25:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-13 22:25:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-13 22:25:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-13 22:25:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:25:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:25:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-13 22:25:46,855 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:25:46,929 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:25:46,931 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:25:47,322 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:25:47,323 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:25:47,323 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:25:47,554 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:25:47,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:25:47 BoogieIcfgContainer [2025-03-13 22:25:47,555 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:25:47,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:25:47,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:25:47,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:25:47,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:25:46" (1/3) ... [2025-03-13 22:25:47,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225cb35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:25:47, skipping insertion in model container [2025-03-13 22:25:47,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:25:46" (2/3) ... [2025-03-13 22:25:47,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225cb35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:25:47, skipping insertion in model container [2025-03-13 22:25:47,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:25:47" (3/3) ... [2025-03-13 22:25:47,565 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2025-03-13 22:25:47,576 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:25:47,578 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum-alt2.wvr.c that has 4 procedures, 207 locations, 1 initial locations, 4 loop locations, and 26 error locations. [2025-03-13 22:25:47,579 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:25:47,643 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-13 22:25:47,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 218 transitions, 457 flow [2025-03-13 22:25:47,729 INFO L124 PetriNetUnfolderBase]: 12/215 cut-off events. [2025-03-13 22:25:47,732 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 22:25:47,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 215 events. 12/215 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 267 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 169. Up to 2 conditions per place. [2025-03-13 22:25:47,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 218 transitions, 457 flow [2025-03-13 22:25:47,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 198 transitions, 414 flow [2025-03-13 22:25:47,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:25:47,762 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;@5d56daed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:25:47,763 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2025-03-13 22:25:47,767 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:25:47,767 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-13 22:25:47,767 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:25:47,768 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:47,768 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] [2025-03-13 22:25:47,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-13 22:25:47,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:47,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1639800633, now seen corresponding path program 1 times [2025-03-13 22:25:47,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:47,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966472860] [2025-03-13 22:25:47,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:47,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-13 22:25:47,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-13 22:25:47,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:47,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:47,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:47,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966472860] [2025-03-13 22:25:47,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966472860] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:47,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:47,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:47,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842603899] [2025-03-13 22:25:47,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:47,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:47,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:47,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:47,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:47,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 218 [2025-03-13 22:25:47,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 198 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:47,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:47,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 218 [2025-03-13 22:25:47,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:48,118 INFO L124 PetriNetUnfolderBase]: 58/414 cut-off events. [2025-03-13 22:25:48,119 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2025-03-13 22:25:48,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 414 events. 58/414 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1639 event pairs, 38 based on Foata normal form. 26/382 useless extension candidates. Maximal degree in co-relation 272. Up to 92 conditions per place. [2025-03-13 22:25:48,127 INFO L140 encePairwiseOnDemand]: 197/218 looper letters, 16 selfloop transitions, 2 changer transitions 3/179 dead transitions. [2025-03-13 22:25:48,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 179 transitions, 412 flow [2025-03-13 22:25:48,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:48,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2025-03-13 22:25:48,138 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8730886850152905 [2025-03-13 22:25:48,139 INFO L175 Difference]: Start difference. First operand has 197 places, 198 transitions, 414 flow. Second operand 3 states and 571 transitions. [2025-03-13 22:25:48,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 179 transitions, 412 flow [2025-03-13 22:25:48,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 179 transitions, 400 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-13 22:25:48,167 INFO L231 Difference]: Finished difference. Result has 180 places, 176 transitions, 362 flow [2025-03-13 22:25:48,169 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=180, PETRI_TRANSITIONS=176} [2025-03-13 22:25:48,172 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -17 predicate places. [2025-03-13 22:25:48,174 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 176 transitions, 362 flow [2025-03-13 22:25:48,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:48,174 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:48,174 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] [2025-03-13 22:25:48,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:25:48,175 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-13 22:25:48,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:48,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1103637394, now seen corresponding path program 1 times [2025-03-13 22:25:48,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:48,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335872842] [2025-03-13 22:25:48,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:48,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:48,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-13 22:25:48,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-13 22:25:48,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:48,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:48,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:48,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335872842] [2025-03-13 22:25:48,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335872842] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:48,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:48,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:48,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295212719] [2025-03-13 22:25:48,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:48,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:48,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:48,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:48,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:48,243 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 218 [2025-03-13 22:25:48,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 176 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:48,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:48,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 218 [2025-03-13 22:25:48,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:48,331 INFO L124 PetriNetUnfolderBase]: 62/440 cut-off events. [2025-03-13 22:25:48,331 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-13 22:25:48,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 440 events. 62/440 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1688 event pairs, 34 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 526. Up to 100 conditions per place. [2025-03-13 22:25:48,336 INFO L140 encePairwiseOnDemand]: 215/218 looper letters, 16 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2025-03-13 22:25:48,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 175 transitions, 396 flow [2025-03-13 22:25:48,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2025-03-13 22:25:48,342 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.845565749235474 [2025-03-13 22:25:48,342 INFO L175 Difference]: Start difference. First operand has 180 places, 176 transitions, 362 flow. Second operand 3 states and 553 transitions. [2025-03-13 22:25:48,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 175 transitions, 396 flow [2025-03-13 22:25:48,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 175 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:25:48,345 INFO L231 Difference]: Finished difference. Result has 176 places, 175 transitions, 360 flow [2025-03-13 22:25:48,346 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=176, PETRI_TRANSITIONS=175} [2025-03-13 22:25:48,346 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -21 predicate places. [2025-03-13 22:25:48,347 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 175 transitions, 360 flow [2025-03-13 22:25:48,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:48,347 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:48,348 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 22:25:48,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:25:48,348 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-13 22:25:48,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:48,349 INFO L85 PathProgramCache]: Analyzing trace with hash 2104313425, now seen corresponding path program 1 times [2025-03-13 22:25:48,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:48,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159614737] [2025-03-13 22:25:48,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:48,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:48,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-13 22:25:48,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-13 22:25:48,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:48,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:48,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:48,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159614737] [2025-03-13 22:25:48,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159614737] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:48,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:48,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:48,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758432810] [2025-03-13 22:25:48,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:48,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:48,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:48,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:48,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:48,407 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 218 [2025-03-13 22:25:48,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 175 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:48,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:48,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 218 [2025-03-13 22:25:48,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:48,517 INFO L124 PetriNetUnfolderBase]: 108/532 cut-off events. [2025-03-13 22:25:48,518 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-13 22:25:48,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 715 conditions, 532 events. 108/532 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2430 event pairs, 59 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 677. Up to 164 conditions per place. [2025-03-13 22:25:48,521 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 17 selfloop transitions, 1 changer transitions 0/171 dead transitions. [2025-03-13 22:25:48,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 171 transitions, 388 flow [2025-03-13 22:25:48,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:48,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2025-03-13 22:25:48,524 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8409785932721713 [2025-03-13 22:25:48,524 INFO L175 Difference]: Start difference. First operand has 176 places, 175 transitions, 360 flow. Second operand 3 states and 550 transitions. [2025-03-13 22:25:48,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 171 transitions, 388 flow [2025-03-13 22:25:48,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 171 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:25:48,528 INFO L231 Difference]: Finished difference. Result has 172 places, 171 transitions, 350 flow [2025-03-13 22:25:48,528 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=172, PETRI_TRANSITIONS=171} [2025-03-13 22:25:48,529 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -25 predicate places. [2025-03-13 22:25:48,529 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 171 transitions, 350 flow [2025-03-13 22:25:48,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:48,529 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:48,530 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] [2025-03-13 22:25:48,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:25:48,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-13 22:25:48,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:48,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1460665925, now seen corresponding path program 1 times [2025-03-13 22:25:48,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:48,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160225033] [2025-03-13 22:25:48,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:48,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:48,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-13 22:25:48,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-13 22:25:48,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:48,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:49,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:49,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160225033] [2025-03-13 22:25:49,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160225033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:49,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:49,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:25:49,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064164597] [2025-03-13 22:25:49,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:49,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:25:49,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:49,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:25:49,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:25:49,192 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 218 [2025-03-13 22:25:49,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 171 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:49,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 218 [2025-03-13 22:25:49,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:49,253 INFO L124 PetriNetUnfolderBase]: 30/295 cut-off events. [2025-03-13 22:25:49,254 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 22:25:49,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 295 events. 30/295 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 826 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 326. Up to 53 conditions per place. [2025-03-13 22:25:49,256 INFO L140 encePairwiseOnDemand]: 212/218 looper letters, 17 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2025-03-13 22:25:49,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 170 transitions, 392 flow [2025-03-13 22:25:49,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:25:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:25:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1073 transitions. [2025-03-13 22:25:49,258 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8203363914373089 [2025-03-13 22:25:49,258 INFO L175 Difference]: Start difference. First operand has 172 places, 171 transitions, 350 flow. Second operand 6 states and 1073 transitions. [2025-03-13 22:25:49,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 170 transitions, 392 flow [2025-03-13 22:25:49,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 170 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:25:49,264 INFO L231 Difference]: Finished difference. Result has 175 places, 170 transitions, 357 flow [2025-03-13 22:25:49,264 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=357, PETRI_PLACES=175, PETRI_TRANSITIONS=170} [2025-03-13 22:25:49,265 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -22 predicate places. [2025-03-13 22:25:49,265 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 170 transitions, 357 flow [2025-03-13 22:25:49,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,265 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:49,265 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] [2025-03-13 22:25:49,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:25:49,266 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-13 22:25:49,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:49,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1365086599, now seen corresponding path program 1 times [2025-03-13 22:25:49,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:49,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588211842] [2025-03-13 22:25:49,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:49,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:49,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-13 22:25:49,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-13 22:25:49,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:49,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:49,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:49,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588211842] [2025-03-13 22:25:49,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588211842] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:49,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:49,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:49,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789331946] [2025-03-13 22:25:49,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:49,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:49,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:49,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:49,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:49,325 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 218 [2025-03-13 22:25:49,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 170 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:49,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 218 [2025-03-13 22:25:49,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:49,399 INFO L124 PetriNetUnfolderBase]: 30/294 cut-off events. [2025-03-13 22:25:49,399 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 22:25:49,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 294 events. 30/294 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 822 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 341. Up to 48 conditions per place. [2025-03-13 22:25:49,401 INFO L140 encePairwiseOnDemand]: 215/218 looper letters, 12 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2025-03-13 22:25:49,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 383 flow [2025-03-13 22:25:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2025-03-13 22:25:49,403 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8577981651376146 [2025-03-13 22:25:49,404 INFO L175 Difference]: Start difference. First operand has 175 places, 170 transitions, 357 flow. Second operand 3 states and 561 transitions. [2025-03-13 22:25:49,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 383 flow [2025-03-13 22:25:49,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 373 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:25:49,408 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 349 flow [2025-03-13 22:25:49,408 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2025-03-13 22:25:49,409 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -26 predicate places. [2025-03-13 22:25:49,410 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 349 flow [2025-03-13 22:25:49,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,411 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:49,411 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] [2025-03-13 22:25:49,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:25:49,411 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-13 22:25:49,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:49,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1549361372, now seen corresponding path program 1 times [2025-03-13 22:25:49,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:49,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448999253] [2025-03-13 22:25:49,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:49,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-13 22:25:49,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-13 22:25:49,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:49,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:49,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:49,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448999253] [2025-03-13 22:25:49,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448999253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:49,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:49,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:49,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88372729] [2025-03-13 22:25:49,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:49,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:49,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:49,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:49,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:49,470 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 218 [2025-03-13 22:25:49,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:49,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 218 [2025-03-13 22:25:49,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:49,558 INFO L124 PetriNetUnfolderBase]: 101/488 cut-off events. [2025-03-13 22:25:49,559 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-13 22:25:49,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 488 events. 101/488 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2298 event pairs, 71 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 618. Up to 150 conditions per place. [2025-03-13 22:25:49,562 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 17 selfloop transitions, 1 changer transitions 0/165 dead transitions. [2025-03-13 22:25:49,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 377 flow [2025-03-13 22:25:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:49,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2025-03-13 22:25:49,564 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8409785932721713 [2025-03-13 22:25:49,564 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 349 flow. Second operand 3 states and 550 transitions. [2025-03-13 22:25:49,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 377 flow [2025-03-13 22:25:49,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:25:49,568 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 339 flow [2025-03-13 22:25:49,569 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2025-03-13 22:25:49,571 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2025-03-13 22:25:49,571 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 339 flow [2025-03-13 22:25:49,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,572 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:49,572 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:25:49,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:25:49,572 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-13 22:25:49,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:49,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1458759733, now seen corresponding path program 1 times [2025-03-13 22:25:49,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:49,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533173264] [2025-03-13 22:25:49,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:49,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:49,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-13 22:25:49,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-13 22:25:49,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:49,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:49,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:49,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533173264] [2025-03-13 22:25:49,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533173264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:49,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:49,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:49,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242063339] [2025-03-13 22:25:49,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:49,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:49,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:49,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:49,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:49,658 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 218 [2025-03-13 22:25:49,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:49,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 218 [2025-03-13 22:25:49,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:49,709 INFO L124 PetriNetUnfolderBase]: 30/282 cut-off events. [2025-03-13 22:25:49,709 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 22:25:49,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 282 events. 30/282 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 745 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 303. Up to 45 conditions per place. [2025-03-13 22:25:49,711 INFO L140 encePairwiseOnDemand]: 216/218 looper letters, 10 selfloop transitions, 1 changer transitions 0/164 dead transitions. [2025-03-13 22:25:49,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 359 flow [2025-03-13 22:25:49,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2025-03-13 22:25:49,715 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8715596330275229 [2025-03-13 22:25:49,715 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 339 flow. Second operand 3 states and 570 transitions. [2025-03-13 22:25:49,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 359 flow [2025-03-13 22:25:49,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:25:49,717 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 338 flow [2025-03-13 22:25:49,717 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2025-03-13 22:25:49,719 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2025-03-13 22:25:49,719 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 338 flow [2025-03-13 22:25:49,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:25:49,720 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:25:49,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:25:49,720 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-13 22:25:49,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:25:49,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1220267368, now seen corresponding path program 1 times [2025-03-13 22:25:49,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:25:49,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735905508] [2025-03-13 22:25:49,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:25:49,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:25:49,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-13 22:25:49,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-13 22:25:49,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:25:49,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:25:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:25:49,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:25:49,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735905508] [2025-03-13 22:25:49,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735905508] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:25:49,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:25:49,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:25:49,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148424155] [2025-03-13 22:25:49,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:25:49,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:25:49,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:25:49,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:25:49,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:25:49,793 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 218 [2025-03-13 22:25:49,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:25:49,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 218 [2025-03-13 22:25:49,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:25:49,848 INFO L124 PetriNetUnfolderBase]: 30/281 cut-off events. [2025-03-13 22:25:49,848 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 22:25:49,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 281 events. 30/281 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 745 event pairs, 15 based on Foata normal form. 1/268 useless extension candidates. Maximal degree in co-relation 331. Up to 45 conditions per place. [2025-03-13 22:25:49,851 INFO L140 encePairwiseOnDemand]: 216/218 looper letters, 0 selfloop transitions, 0 changer transitions 163/163 dead transitions. [2025-03-13 22:25:49,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 356 flow [2025-03-13 22:25:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:25:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:25:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2025-03-13 22:25:49,854 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8700305810397554 [2025-03-13 22:25:49,854 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 338 flow. Second operand 3 states and 569 transitions. [2025-03-13 22:25:49,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 356 flow [2025-03-13 22:25:49,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 163 transitions, 355 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:25:49,856 INFO L231 Difference]: Finished difference. Result has 167 places, 0 transitions, 0 flow [2025-03-13 22:25:49,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=167, PETRI_TRANSITIONS=0} [2025-03-13 22:25:49,858 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2025-03-13 22:25:49,859 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 0 transitions, 0 flow [2025-03-13 22:25:49,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:25:49,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2025-03-13 22:25:49,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2025-03-13 22:25:49,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2025-03-13 22:25:49,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining) [2025-03-13 22:25:49,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2025-03-13 22:25:49,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2025-03-13 22:25:49,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:25:49,867 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:25:49,872 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:25:49,873 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:25:49,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:25:49 BasicIcfg [2025-03-13 22:25:49,880 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:25:49,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:25:49,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:25:49,881 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:25:49,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:25:47" (3/4) ... [2025-03-13 22:25:49,883 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:25:49,885 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:25:49,886 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:25:49,886 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-13 22:25:49,891 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-03-13 22:25:49,891 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:25:49,891 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:25:49,892 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:25:49,968 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:25:49,969 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:25:49,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:25:49,970 INFO L158 Benchmark]: Toolchain (without parser) took 3413.22ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 113.7MB in the beginning and 102.8MB in the end (delta: 10.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2025-03-13 22:25:49,971 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:25:49,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.06ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 100.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:25:49,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.90ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:25:49,972 INFO L158 Benchmark]: Boogie Preprocessor took 28.02ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:25:49,973 INFO L158 Benchmark]: IcfgBuilder took 747.66ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 102.2MB in the end (delta: -5.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2025-03-13 22:25:49,973 INFO L158 Benchmark]: TraceAbstraction took 2321.63ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 101.0MB in the beginning and 109.8MB in the end (delta: -8.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2025-03-13 22:25:49,973 INFO L158 Benchmark]: Witness Printer took 88.32ms. Allocated memory is still 176.2MB. Free memory was 109.8MB in the beginning and 102.8MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:25:49,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.06ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 100.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.90ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.02ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 747.66ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 102.2MB in the end (delta: -5.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2321.63ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 101.0MB in the beginning and 109.8MB in the end (delta: -8.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Witness Printer took 88.32ms. Allocated memory is still 176.2MB. Free memory was 109.8MB in the beginning and 102.8MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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 7 procedures, 267 locations, 45 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: 2.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 15 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=414occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 0.8s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:25:49,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE