./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 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-send-receive-alt.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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:56:00,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:56:00,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:56:00,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:56:00,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:56:00,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:56:00,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:56:00,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:56:00,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:56:00,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:56:00,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:56:00,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:56:00,626 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:56:00,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:56:00,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:56:00,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:56:00,627 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 -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2025-03-04 06:56:00,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:56:00,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:56:00,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:56:00,850 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:56:00,851 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:56:00,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2025-03-04 06:56:02,013 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd4196e0/6c0930f1cc0f4a9d8d332fd5c160ae3b/FLAG84e37ed4c [2025-03-04 06:56:02,272 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:56:02,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2025-03-04 06:56:02,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd4196e0/6c0930f1cc0f4a9d8d332fd5c160ae3b/FLAG84e37ed4c [2025-03-04 06:56:02,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd4196e0/6c0930f1cc0f4a9d8d332fd5c160ae3b [2025-03-04 06:56:02,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:56:02,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:56:02,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:56:02,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:56:02,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:56:02,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6269c9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02, skipping insertion in model container [2025-03-04 06:56:02,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:56:02,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:56:02,762 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:56:02,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:56:02,803 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:56:02,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02 WrapperNode [2025-03-04 06:56:02,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:56:02,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:56:02,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:56:02,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:56:02,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,849 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 250 [2025-03-04 06:56:02,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:56:02,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:56:02,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:56:02,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:56:02,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:56:02,879 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:56:02,879 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:56:02,879 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:56:02,880 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:56:02,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:56:02,903 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) [2025-03-04 06:56:02,905 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 [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-04 06:56:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-04 06:56:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 06:56:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:56:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:56:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 06:56:02,924 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:56:03,007 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:56:03,009 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:56:03,371 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:56:03,371 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:56:03,519 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:56:03,519 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:56:03,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:03 BoogieIcfgContainer [2025-03-04 06:56:03,520 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:56:03,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:56:03,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:56:03,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:56:03,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:56:02" (1/3) ... [2025-03-04 06:56:03,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e3d8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:56:03, skipping insertion in model container [2025-03-04 06:56:03,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (2/3) ... [2025-03-04 06:56:03,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e3d8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:56:03, skipping insertion in model container [2025-03-04 06:56:03,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:03" (3/3) ... [2025-03-04 06:56:03,529 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2025-03-04 06:56:03,539 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:56:03,540 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive-alt.wvr.c that has 3 procedures, 202 locations, 1 initial locations, 3 loop locations, and 34 error locations. [2025-03-04 06:56:03,541 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:56:03,604 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 06:56:03,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 213 transitions, 440 flow [2025-03-04 06:56:03,691 INFO L124 PetriNetUnfolderBase]: 12/211 cut-off events. [2025-03-04 06:56:03,693 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 06:56:03,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 211 events. 12/211 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 315 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 133. Up to 2 conditions per place. [2025-03-04 06:56:03,701 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 213 transitions, 440 flow [2025-03-04 06:56:03,705 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 191 transitions, 394 flow [2025-03-04 06:56:03,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:56:03,722 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;@e417303, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:56:03,722 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2025-03-04 06:56:03,729 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:56:03,732 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-04 06:56:03,732 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:56:03,732 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:03,733 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] [2025-03-04 06:56:03,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:03,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:03,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1522824091, now seen corresponding path program 1 times [2025-03-04 06:56:03,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:03,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945649932] [2025-03-04 06:56:03,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:03,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:03,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 06:56:03,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 06:56:03,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:03,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:03,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:03,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945649932] [2025-03-04 06:56:03,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945649932] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:03,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:03,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:03,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102279313] [2025-03-04 06:56:03,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:03,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:03,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:03,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:03,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:03,931 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 213 [2025-03-04 06:56:03,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 191 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2025-03-04 06:56:03,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:03,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 213 [2025-03-04 06:56:03,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,053 INFO L124 PetriNetUnfolderBase]: 17/204 cut-off events. [2025-03-04 06:56:04,053 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-04 06:56:04,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 204 events. 17/204 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 330 event pairs, 4 based on Foata normal form. 13/190 useless extension candidates. Maximal degree in co-relation 125. Up to 30 conditions per place. [2025-03-04 06:56:04,056 INFO L140 encePairwiseOnDemand]: 183/213 looper letters, 12 selfloop transitions, 2 changer transitions 2/163 dead transitions. [2025-03-04 06:56:04,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 163 transitions, 366 flow [2025-03-04 06:56:04,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2025-03-04 06:56:04,071 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8544600938967136 [2025-03-04 06:56:04,073 INFO L175 Difference]: Start difference. First operand has 188 places, 191 transitions, 394 flow. Second operand 3 states and 546 transitions. [2025-03-04 06:56:04,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 163 transitions, 366 flow [2025-03-04 06:56:04,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 163 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-04 06:56:04,083 INFO L231 Difference]: Finished difference. Result has 163 places, 161 transitions, 330 flow [2025-03-04 06:56:04,085 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=161} [2025-03-04 06:56:04,088 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -25 predicate places. [2025-03-04 06:56:04,089 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 161 transitions, 330 flow [2025-03-04 06:56:04,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2025-03-04 06:56:04,089 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,089 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] [2025-03-04 06:56:04,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:56:04,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:04,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1683581041, now seen corresponding path program 1 times [2025-03-04 06:56:04,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701517166] [2025-03-04 06:56:04,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-04 06:56:04,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-04 06:56:04,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701517166] [2025-03-04 06:56:04,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701517166] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880743395] [2025-03-04 06:56:04,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,140 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 213 [2025-03-04 06:56:04,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2025-03-04 06:56:04,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 213 [2025-03-04 06:56:04,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,178 INFO L124 PetriNetUnfolderBase]: 13/187 cut-off events. [2025-03-04 06:56:04,179 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-04 06:56:04,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 187 events. 13/187 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 248 event pairs, 2 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 188. Up to 23 conditions per place. [2025-03-04 06:56:04,181 INFO L140 encePairwiseOnDemand]: 210/213 looper letters, 11 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2025-03-04 06:56:04,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 160 transitions, 354 flow [2025-03-04 06:56:04,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2025-03-04 06:56:04,185 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8153364632237872 [2025-03-04 06:56:04,185 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 330 flow. Second operand 3 states and 521 transitions. [2025-03-04 06:56:04,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 160 transitions, 354 flow [2025-03-04 06:56:04,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 160 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:04,191 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 328 flow [2025-03-04 06:56:04,192 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2025-03-04 06:56:04,192 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2025-03-04 06:56:04,192 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 328 flow [2025-03-04 06:56:04,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2025-03-04 06:56:04,193 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,193 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] [2025-03-04 06:56:04,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:56:04,194 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:04,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1351207129, now seen corresponding path program 1 times [2025-03-04 06:56:04,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522496112] [2025-03-04 06:56:04,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-04 06:56:04,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-04 06:56:04,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522496112] [2025-03-04 06:56:04,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522496112] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035959876] [2025-03-04 06:56:04,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,245 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213 [2025-03-04 06:56:04,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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) [2025-03-04 06:56:04,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213 [2025-03-04 06:56:04,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,292 INFO L124 PetriNetUnfolderBase]: 14/206 cut-off events. [2025-03-04 06:56:04,292 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-04 06:56:04,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 206 events. 14/206 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 1 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 202. Up to 16 conditions per place. [2025-03-04 06:56:04,293 INFO L140 encePairwiseOnDemand]: 210/213 looper letters, 14 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2025-03-04 06:56:04,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 165 transitions, 373 flow [2025-03-04 06:56:04,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2025-03-04 06:56:04,295 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.838810641627543 [2025-03-04 06:56:04,296 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 328 flow. Second operand 3 states and 536 transitions. [2025-03-04 06:56:04,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 165 transitions, 373 flow [2025-03-04 06:56:04,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 165 transitions, 369 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:04,299 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 332 flow [2025-03-04 06:56:04,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2025-03-04 06:56:04,300 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2025-03-04 06:56:04,300 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 332 flow [2025-03-04 06:56:04,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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) [2025-03-04 06:56:04,300 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,301 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] [2025-03-04 06:56:04,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:56:04,301 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:04,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,301 INFO L85 PathProgramCache]: Analyzing trace with hash -213702185, now seen corresponding path program 1 times [2025-03-04 06:56:04,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385689830] [2025-03-04 06:56:04,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 06:56:04,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 06:56:04,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385689830] [2025-03-04 06:56:04,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385689830] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232899656] [2025-03-04 06:56:04,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,344 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 213 [2025-03-04 06:56:04,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2025-03-04 06:56:04,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 213 [2025-03-04 06:56:04,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,392 INFO L124 PetriNetUnfolderBase]: 24/237 cut-off events. [2025-03-04 06:56:04,392 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-04 06:56:04,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 237 events. 24/237 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 621 event pairs, 10 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 152. Up to 43 conditions per place. [2025-03-04 06:56:04,394 INFO L140 encePairwiseOnDemand]: 210/213 looper letters, 13 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2025-03-04 06:56:04,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 159 transitions, 360 flow [2025-03-04 06:56:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2025-03-04 06:56:04,398 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.812206572769953 [2025-03-04 06:56:04,398 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 332 flow. Second operand 3 states and 519 transitions. [2025-03-04 06:56:04,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 159 transitions, 360 flow [2025-03-04 06:56:04,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:04,400 INFO L231 Difference]: Finished difference. Result has 160 places, 159 transitions, 332 flow [2025-03-04 06:56:04,401 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=160, PETRI_TRANSITIONS=159} [2025-03-04 06:56:04,402 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2025-03-04 06:56:04,402 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 159 transitions, 332 flow [2025-03-04 06:56:04,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2025-03-04 06:56:04,402 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,402 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] [2025-03-04 06:56:04,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:56:04,403 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:04,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1259739046, now seen corresponding path program 1 times [2025-03-04 06:56:04,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694257136] [2025-03-04 06:56:04,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-04 06:56:04,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 06:56:04,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694257136] [2025-03-04 06:56:04,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694257136] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773554605] [2025-03-04 06:56:04,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,457 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 213 [2025-03-04 06:56:04,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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) [2025-03-04 06:56:04,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 213 [2025-03-04 06:56:04,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,500 INFO L124 PetriNetUnfolderBase]: 28/260 cut-off events. [2025-03-04 06:56:04,500 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-03-04 06:56:04,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 260 events. 28/260 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 678 event pairs, 10 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 279. Up to 45 conditions per place. [2025-03-04 06:56:04,502 INFO L140 encePairwiseOnDemand]: 210/213 looper letters, 12 selfloop transitions, 1 changer transitions 0/157 dead transitions. [2025-03-04 06:56:04,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 157 transitions, 354 flow [2025-03-04 06:56:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2025-03-04 06:56:04,505 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8200312989045383 [2025-03-04 06:56:04,505 INFO L175 Difference]: Start difference. First operand has 160 places, 159 transitions, 332 flow. Second operand 3 states and 524 transitions. [2025-03-04 06:56:04,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 157 transitions, 354 flow [2025-03-04 06:56:04,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 157 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:04,509 INFO L231 Difference]: Finished difference. Result has 158 places, 157 transitions, 326 flow [2025-03-04 06:56:04,510 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=158, PETRI_TRANSITIONS=157} [2025-03-04 06:56:04,511 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -30 predicate places. [2025-03-04 06:56:04,511 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 157 transitions, 326 flow [2025-03-04 06:56:04,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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) [2025-03-04 06:56:04,512 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,512 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] [2025-03-04 06:56:04,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:56:04,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:04,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1245236118, now seen corresponding path program 1 times [2025-03-04 06:56:04,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775165987] [2025-03-04 06:56:04,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 06:56:04,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 06:56:04,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775165987] [2025-03-04 06:56:04,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775165987] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151334314] [2025-03-04 06:56:04,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,610 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 213 [2025-03-04 06:56:04,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 157 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2025-03-04 06:56:04,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 213 [2025-03-04 06:56:04,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,643 INFO L124 PetriNetUnfolderBase]: 16/221 cut-off events. [2025-03-04 06:56:04,644 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-04 06:56:04,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 221 events. 16/221 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 469 event pairs, 4 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 217. Up to 27 conditions per place. [2025-03-04 06:56:04,645 INFO L140 encePairwiseOnDemand]: 210/213 looper letters, 11 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2025-03-04 06:56:04,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 156 transitions, 350 flow [2025-03-04 06:56:04,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2025-03-04 06:56:04,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8184663536776213 [2025-03-04 06:56:04,647 INFO L175 Difference]: Start difference. First operand has 158 places, 157 transitions, 326 flow. Second operand 3 states and 523 transitions. [2025-03-04 06:56:04,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 156 transitions, 350 flow [2025-03-04 06:56:04,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 156 transitions, 349 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:04,650 INFO L231 Difference]: Finished difference. Result has 158 places, 156 transitions, 327 flow [2025-03-04 06:56:04,650 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=158, PETRI_TRANSITIONS=156} [2025-03-04 06:56:04,650 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -30 predicate places. [2025-03-04 06:56:04,650 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 156 transitions, 327 flow [2025-03-04 06:56:04,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2025-03-04 06:56:04,651 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,651 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] [2025-03-04 06:56:04,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 06:56:04,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:04,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,652 INFO L85 PathProgramCache]: Analyzing trace with hash 2087533242, now seen corresponding path program 1 times [2025-03-04 06:56:04,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898430420] [2025-03-04 06:56:04,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 06:56:04,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 06:56:04,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:05,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:05,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898430420] [2025-03-04 06:56:05,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898430420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:05,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:05,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:56:05,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808715361] [2025-03-04 06:56:05,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:05,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:56:05,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:05,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:56:05,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:56:05,210 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 213 [2025-03-04 06:56:05,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 156 transitions, 327 flow. Second operand has 6 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 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) [2025-03-04 06:56:05,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:05,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 213 [2025-03-04 06:56:05,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:05,279 INFO L124 PetriNetUnfolderBase]: 16/220 cut-off events. [2025-03-04 06:56:05,280 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-04 06:56:05,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 220 events. 16/220 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 465 event pairs, 4 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 227. Up to 32 conditions per place. [2025-03-04 06:56:05,281 INFO L140 encePairwiseOnDemand]: 207/213 looper letters, 16 selfloop transitions, 5 changer transitions 0/155 dead transitions. [2025-03-04 06:56:05,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 155 transitions, 367 flow [2025-03-04 06:56:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:56:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:56:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 999 transitions. [2025-03-04 06:56:05,283 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7816901408450704 [2025-03-04 06:56:05,284 INFO L175 Difference]: Start difference. First operand has 158 places, 156 transitions, 327 flow. Second operand 6 states and 999 transitions. [2025-03-04 06:56:05,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 155 transitions, 367 flow [2025-03-04 06:56:05,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 155 transitions, 363 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:05,287 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 331 flow [2025-03-04 06:56:05,287 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=331, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2025-03-04 06:56:05,288 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2025-03-04 06:56:05,289 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 331 flow [2025-03-04 06:56:05,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 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) [2025-03-04 06:56:05,289 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:05,289 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] [2025-03-04 06:56:05,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 06:56:05,290 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:05,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:05,290 INFO L85 PathProgramCache]: Analyzing trace with hash -751420721, now seen corresponding path program 1 times [2025-03-04 06:56:05,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:05,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135752416] [2025-03-04 06:56:05,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:05,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:05,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-04 06:56:05,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-04 06:56:05,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:05,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:05,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:05,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135752416] [2025-03-04 06:56:05,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135752416] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:05,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:05,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:05,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352151991] [2025-03-04 06:56:05,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:05,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:05,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:05,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:05,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:05,348 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 213 [2025-03-04 06:56:05,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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) [2025-03-04 06:56:05,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:05,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 213 [2025-03-04 06:56:05,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:05,404 INFO L124 PetriNetUnfolderBase]: 35/296 cut-off events. [2025-03-04 06:56:05,404 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2025-03-04 06:56:05,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 296 events. 35/296 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 914 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 367. Up to 45 conditions per place. [2025-03-04 06:56:05,413 INFO L140 encePairwiseOnDemand]: 207/213 looper letters, 14 selfloop transitions, 5 changer transitions 0/159 dead transitions. [2025-03-04 06:56:05,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 159 transitions, 384 flow [2025-03-04 06:56:05,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2025-03-04 06:56:05,414 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8278560250391236 [2025-03-04 06:56:05,414 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 331 flow. Second operand 3 states and 529 transitions. [2025-03-04 06:56:05,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 159 transitions, 384 flow [2025-03-04 06:56:05,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 159 transitions, 374 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:56:05,417 INFO L231 Difference]: Finished difference. Result has 156 places, 156 transitions, 348 flow [2025-03-04 06:56:05,421 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=156, PETRI_TRANSITIONS=156} [2025-03-04 06:56:05,424 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -32 predicate places. [2025-03-04 06:56:05,425 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 156 transitions, 348 flow [2025-03-04 06:56:05,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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) [2025-03-04 06:56:05,425 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:05,426 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] [2025-03-04 06:56:05,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 06:56:05,426 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-04 06:56:05,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2041694115, now seen corresponding path program 1 times [2025-03-04 06:56:05,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:05,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387779373] [2025-03-04 06:56:05,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:05,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 06:56:05,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 06:56:05,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:05,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:05,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:05,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387779373] [2025-03-04 06:56:05,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387779373] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:05,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:05,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:05,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206250069] [2025-03-04 06:56:05,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:05,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:05,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:05,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:05,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:05,484 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 213 [2025-03-04 06:56:05,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 156 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2025-03-04 06:56:05,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:05,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 213 [2025-03-04 06:56:05,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:05,525 INFO L124 PetriNetUnfolderBase]: 18/239 cut-off events. [2025-03-04 06:56:05,525 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2025-03-04 06:56:05,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 239 events. 18/239 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 507 event pairs, 3 based on Foata normal form. 3/225 useless extension candidates. Maximal degree in co-relation 274. Up to 29 conditions per place. [2025-03-04 06:56:05,527 INFO L140 encePairwiseOnDemand]: 210/213 looper letters, 0 selfloop transitions, 0 changer transitions 154/154 dead transitions. [2025-03-04 06:56:05,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 370 flow [2025-03-04 06:56:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2025-03-04 06:56:05,529 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8215962441314554 [2025-03-04 06:56:05,529 INFO L175 Difference]: Start difference. First operand has 156 places, 156 transitions, 348 flow. Second operand 3 states and 525 transitions. [2025-03-04 06:56:05,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 154 transitions, 370 flow [2025-03-04 06:56:05,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:05,531 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2025-03-04 06:56:05,532 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=155, PETRI_TRANSITIONS=0} [2025-03-04 06:56:05,532 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -33 predicate places. [2025-03-04 06:56:05,533 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2025-03-04 06:56:05,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2025-03-04 06:56:05,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (60 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2025-03-04 06:56:05,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2025-03-04 06:56:05,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2025-03-04 06:56:05,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2025-03-04 06:56:05,540 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2025-03-04 06:56:05,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2025-03-04 06:56:05,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2025-03-04 06:56:05,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 06:56:05,541 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:05,546 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:56:05,546 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:56:05,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:56:05 BasicIcfg [2025-03-04 06:56:05,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:56:05,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:56:05,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:56:05,554 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:56:05,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:03" (3/4) ... [2025-03-04 06:56:05,556 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:56:05,557 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-04 06:56:05,558 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-04 06:56:05,562 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-04 06:56:05,562 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 06:56:05,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:56:05,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:56:05,625 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:56:05,626 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:56:05,626 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:56:05,627 INFO L158 Benchmark]: Toolchain (without parser) took 3036.65ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 62.0MB in the end (delta: 96.3MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. [2025-03-04 06:56:05,627 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:56:05,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.64ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 145.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:56:05,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.52ms. Allocated memory is still 201.3MB. Free memory was 145.8MB in the beginning and 143.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:56:05,628 INFO L158 Benchmark]: Boogie Preprocessor took 27.83ms. Allocated memory is still 201.3MB. Free memory was 143.5MB in the beginning and 142.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:56:05,628 INFO L158 Benchmark]: IcfgBuilder took 640.63ms. Allocated memory is still 201.3MB. Free memory was 142.0MB in the beginning and 91.7MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-04 06:56:05,628 INFO L158 Benchmark]: TraceAbstraction took 2031.92ms. Allocated memory is still 201.3MB. Free memory was 91.3MB in the beginning and 68.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2025-03-04 06:56:05,629 INFO L158 Benchmark]: Witness Printer took 72.44ms. Allocated memory is still 201.3MB. Free memory was 68.7MB in the beginning and 62.0MB in the end (delta: 6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:56:05,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.64ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 145.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.52ms. Allocated memory is still 201.3MB. Free memory was 145.8MB in the beginning and 143.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.83ms. Allocated memory is still 201.3MB. Free memory was 143.5MB in the beginning and 142.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 640.63ms. Allocated memory is still 201.3MB. Free memory was 142.0MB in the beginning and 91.7MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2031.92ms. Allocated memory is still 201.3MB. Free memory was 91.3MB in the beginning and 68.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 72.44ms. Allocated memory is still 201.3MB. Free memory was 68.7MB in the beginning and 62.0MB in the end (delta: 6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 83]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 270 locations, 61 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: 1.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 34 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 0.7s InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 493 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:56:05,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE