./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 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-queue-add-2.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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:14:47,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:14:47,819 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:14:47,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:14:47,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:14:47,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:14:47,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:14:47,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:14:47,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:14:47,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:14:47,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:14:47,849 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:14:47,850 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:14:47,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:14:47,850 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:14:47,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:14:47,851 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 -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2025-03-17 11:14:48,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:14:48,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:14:48,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:14:48,075 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:14:48,075 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:14:48,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2025-03-17 11:14:49,220 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0925f63d0/251cab80872a4f8e9363ddf77acf3f86/FLAG4599e75eb [2025-03-17 11:14:49,468 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:14:49,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2025-03-17 11:14:49,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0925f63d0/251cab80872a4f8e9363ddf77acf3f86/FLAG4599e75eb [2025-03-17 11:14:49,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0925f63d0/251cab80872a4f8e9363ddf77acf3f86 [2025-03-17 11:14:49,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:14:49,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:14:49,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:14:49,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:14:49,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:14:49,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:14:49" (1/1) ... [2025-03-17 11:14:49,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c7e046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:49, skipping insertion in model container [2025-03-17 11:14:49,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:14:49" (1/1) ... [2025-03-17 11:14:49,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:14:49,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:14:49,980 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:14:50,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:14:50,020 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:14:50,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50 WrapperNode [2025-03-17 11:14:50,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:14:50,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:14:50,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:14:50,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:14:50,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,062 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 272 [2025-03-17 11:14:50,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:14:50,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:14:50,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:14:50,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:14:50,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:14:50,100 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:14:50,100 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:14:50,100 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:14:50,101 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (1/1) ... [2025-03-17 11:14:50,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:14:50,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:14:50,128 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) [2025-03-17 11:14:50,130 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 [2025-03-17 11:14:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:14:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-17 11:14:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-17 11:14:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-17 11:14:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-17 11:14:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:14:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 11:14:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-17 11:14:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-17 11:14:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:14:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:14:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:14:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 11:14:50,151 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:14:50,230 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:14:50,232 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:14:50,568 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:14:50,569 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:14:50,760 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:14:50,760 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:14:50,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:14:50 BoogieIcfgContainer [2025-03-17 11:14:50,760 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:14:50,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:14:50,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:14:50,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:14:50,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:14:49" (1/3) ... [2025-03-17 11:14:50,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489eef01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:14:50, skipping insertion in model container [2025-03-17 11:14:50,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:14:50" (2/3) ... [2025-03-17 11:14:50,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489eef01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:14:50, skipping insertion in model container [2025-03-17 11:14:50,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:14:50" (3/3) ... [2025-03-17 11:14:50,768 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2025-03-17 11:14:50,778 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:14:50,780 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-queue-add-2.wvr.c that has 3 procedures, 208 locations, 1 initial locations, 3 loop locations, and 40 error locations. [2025-03-17 11:14:50,780 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:14:50,869 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-17 11:14:50,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 216 transitions, 446 flow [2025-03-17 11:14:50,953 INFO L124 PetriNetUnfolderBase]: 9/214 cut-off events. [2025-03-17 11:14:50,956 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 11:14:50,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 214 events. 9/214 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 310 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2025-03-17 11:14:50,961 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 216 transitions, 446 flow [2025-03-17 11:14:50,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 196 places, 197 transitions, 406 flow [2025-03-17 11:14:50,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:14:50,980 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;@484acfee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:14:50,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2025-03-17 11:14:50,989 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:14:50,989 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-17 11:14:50,989 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:14:50,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:50,990 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] [2025-03-17 11:14:50,990 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:50,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:50,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1320822222, now seen corresponding path program 1 times [2025-03-17 11:14:51,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:51,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58443582] [2025-03-17 11:14:51,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:51,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:51,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 11:14:51,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 11:14:51,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:51,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:51,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:51,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58443582] [2025-03-17 11:14:51,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58443582] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:51,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:51,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:51,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880253095] [2025-03-17 11:14:51,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:51,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:51,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:51,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:51,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:51,168 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 216 [2025-03-17 11:14:51,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 197 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2025-03-17 11:14:51,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:51,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 216 [2025-03-17 11:14:51,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:51,225 INFO L124 PetriNetUnfolderBase]: 12/201 cut-off events. [2025-03-17 11:14:51,226 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-17 11:14:51,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 201 events. 12/201 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 301 event pairs, 7 based on Foata normal form. 3/181 useless extension candidates. Maximal degree in co-relation 151. Up to 30 conditions per place. [2025-03-17 11:14:51,229 INFO L140 encePairwiseOnDemand]: 182/216 looper letters, 13 selfloop transitions, 2 changer transitions 3/165 dead transitions. [2025-03-17 11:14:51,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 165 transitions, 372 flow [2025-03-17 11:14:51,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2025-03-17 11:14:51,242 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8410493827160493 [2025-03-17 11:14:51,244 INFO L175 Difference]: Start difference. First operand has 196 places, 197 transitions, 406 flow. Second operand 3 states and 545 transitions. [2025-03-17 11:14:51,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 165 transitions, 372 flow [2025-03-17 11:14:51,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 364 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-17 11:14:51,254 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 332 flow [2025-03-17 11:14:51,256 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2025-03-17 11:14:51,259 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -29 predicate places. [2025-03-17 11:14:51,260 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 332 flow [2025-03-17 11:14:51,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2025-03-17 11:14:51,260 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:51,260 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] [2025-03-17 11:14:51,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:14:51,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:51,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:51,262 INFO L85 PathProgramCache]: Analyzing trace with hash -297498804, now seen corresponding path program 1 times [2025-03-17 11:14:51,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:51,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629035835] [2025-03-17 11:14:51,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:51,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:51,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 11:14:51,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 11:14:51,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:51,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:51,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:51,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629035835] [2025-03-17 11:14:51,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629035835] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:51,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:51,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:51,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914146485] [2025-03-17 11:14:51,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:51,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:51,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:51,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:51,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:51,326 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 216 [2025-03-17 11:14:51,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 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) [2025-03-17 11:14:51,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:51,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 216 [2025-03-17 11:14:51,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:51,378 INFO L124 PetriNetUnfolderBase]: 10/205 cut-off events. [2025-03-17 11:14:51,380 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-17 11:14:51,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 205 events. 10/205 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 297 event pairs, 5 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 207. Up to 22 conditions per place. [2025-03-17 11:14:51,381 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 11 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2025-03-17 11:14:51,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 356 flow [2025-03-17 11:14:51,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-03-17 11:14:51,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7993827160493827 [2025-03-17 11:14:51,385 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 332 flow. Second operand 3 states and 518 transitions. [2025-03-17 11:14:51,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 356 flow [2025-03-17 11:14:51,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 161 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:14:51,387 INFO L231 Difference]: Finished difference. Result has 163 places, 161 transitions, 330 flow [2025-03-17 11:14:51,388 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=161} [2025-03-17 11:14:51,388 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -33 predicate places. [2025-03-17 11:14:51,388 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 161 transitions, 330 flow [2025-03-17 11:14:51,389 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) [2025-03-17 11:14:51,389 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:51,389 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] [2025-03-17 11:14:51,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:14:51,389 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:51,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:51,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1434920847, now seen corresponding path program 1 times [2025-03-17 11:14:51,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:51,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520113435] [2025-03-17 11:14:51,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:51,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:51,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 11:14:51,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 11:14:51,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:51,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:51,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520113435] [2025-03-17 11:14:51,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520113435] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:51,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:51,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:51,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112832853] [2025-03-17 11:14:51,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:51,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:51,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:51,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:51,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:51,454 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 216 [2025-03-17 11:14:51,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 330 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) [2025-03-17 11:14:51,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:51,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 216 [2025-03-17 11:14:51,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:51,491 INFO L124 PetriNetUnfolderBase]: 10/204 cut-off events. [2025-03-17 11:14:51,491 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-17 11:14:51,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 204 events. 10/204 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 294 event pairs, 5 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 198. Up to 22 conditions per place. [2025-03-17 11:14:51,492 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 11 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2025-03-17 11:14:51,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 354 flow [2025-03-17 11:14:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-03-17 11:14:51,494 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7993827160493827 [2025-03-17 11:14:51,494 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 330 flow. Second operand 3 states and 518 transitions. [2025-03-17 11:14:51,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 354 flow [2025-03-17 11:14:51,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 160 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:14:51,496 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 328 flow [2025-03-17 11:14:51,497 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, 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=162, PETRI_TRANSITIONS=160} [2025-03-17 11:14:51,497 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -34 predicate places. [2025-03-17 11:14:51,497 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 328 flow [2025-03-17 11:14:51,498 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) [2025-03-17 11:14:51,498 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:51,498 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] [2025-03-17 11:14:51,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 11:14:51,498 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:51,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1716711029, now seen corresponding path program 1 times [2025-03-17 11:14:51,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:51,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337293593] [2025-03-17 11:14:51,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:51,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:51,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 11:14:51,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 11:14:51,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:51,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:51,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:51,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337293593] [2025-03-17 11:14:51,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337293593] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:51,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:51,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:51,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528526668] [2025-03-17 11:14:51,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:51,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:51,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:51,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:51,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:51,579 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 216 [2025-03-17 11:14:51,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 328 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) [2025-03-17 11:14:51,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:51,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 216 [2025-03-17 11:14:51,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:51,616 INFO L124 PetriNetUnfolderBase]: 11/220 cut-off events. [2025-03-17 11:14:51,616 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-17 11:14:51,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 220 events. 11/220 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 344 event pairs, 2 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 207. Up to 14 conditions per place. [2025-03-17 11:14:51,617 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 12 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2025-03-17 11:14:51,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 163 transitions, 363 flow [2025-03-17 11:14:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:51,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2025-03-17 11:14:51,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8194444444444444 [2025-03-17 11:14:51,619 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 328 flow. Second operand 3 states and 531 transitions. [2025-03-17 11:14:51,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 163 transitions, 363 flow [2025-03-17 11:14:51,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 163 transitions, 359 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:14:51,622 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 332 flow [2025-03-17 11:14:51,622 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=159, 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=162, PETRI_TRANSITIONS=160} [2025-03-17 11:14:51,623 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -34 predicate places. [2025-03-17 11:14:51,623 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 332 flow [2025-03-17 11:14:51,623 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) [2025-03-17 11:14:51,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:51,623 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:14:51,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 11:14:51,623 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:51,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:51,624 INFO L85 PathProgramCache]: Analyzing trace with hash -208252064, now seen corresponding path program 1 times [2025-03-17 11:14:51,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:51,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769267719] [2025-03-17 11:14:51,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:51,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:51,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 11:14:51,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 11:14:51,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:51,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:51,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:51,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769267719] [2025-03-17 11:14:51,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769267719] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:51,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:51,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:51,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909702030] [2025-03-17 11:14:51,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:51,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:51,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:51,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:51,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:51,676 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 216 [2025-03-17 11:14:51,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 332 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) [2025-03-17 11:14:51,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:51,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 216 [2025-03-17 11:14:51,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:51,716 INFO L124 PetriNetUnfolderBase]: 11/206 cut-off events. [2025-03-17 11:14:51,716 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2025-03-17 11:14:51,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 206 events. 11/206 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 307 event pairs, 5 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 126. Up to 25 conditions per place. [2025-03-17 11:14:51,718 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 11 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2025-03-17 11:14:51,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 159 transitions, 356 flow [2025-03-17 11:14:51,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2025-03-17 11:14:51,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8024691358024691 [2025-03-17 11:14:51,721 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 332 flow. Second operand 3 states and 520 transitions. [2025-03-17 11:14:51,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 159 transitions, 356 flow [2025-03-17 11:14:51,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 354 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:14:51,725 INFO L231 Difference]: Finished difference. Result has 162 places, 159 transitions, 332 flow [2025-03-17 11:14:51,726 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=160, 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=162, PETRI_TRANSITIONS=159} [2025-03-17 11:14:51,726 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -34 predicate places. [2025-03-17 11:14:51,728 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 159 transitions, 332 flow [2025-03-17 11:14:51,728 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) [2025-03-17 11:14:51,728 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:51,728 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:14:51,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 11:14:51,728 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:51,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:51,729 INFO L85 PathProgramCache]: Analyzing trace with hash -2103876441, now seen corresponding path program 1 times [2025-03-17 11:14:51,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:51,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295212719] [2025-03-17 11:14:51,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:51,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:51,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 11:14:51,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 11:14:51,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:51,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:51,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:51,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295212719] [2025-03-17 11:14:51,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295212719] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:51,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:51,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:51,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159614737] [2025-03-17 11:14:51,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:51,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:51,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:51,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:51,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:51,772 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 216 [2025-03-17 11:14:51,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 159 transitions, 332 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) [2025-03-17 11:14:51,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:51,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 216 [2025-03-17 11:14:51,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:51,799 INFO L124 PetriNetUnfolderBase]: 11/205 cut-off events. [2025-03-17 11:14:51,799 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-17 11:14:51,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 205 events. 11/205 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 305 event pairs, 5 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 193. Up to 23 conditions per place. [2025-03-17 11:14:51,800 INFO L140 encePairwiseOnDemand]: 214/216 looper letters, 10 selfloop transitions, 1 changer transitions 0/158 dead transitions. [2025-03-17 11:14:51,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 158 transitions, 352 flow [2025-03-17 11:14:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2025-03-17 11:14:51,802 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8132716049382716 [2025-03-17 11:14:51,802 INFO L175 Difference]: Start difference. First operand has 162 places, 159 transitions, 332 flow. Second operand 3 states and 527 transitions. [2025-03-17 11:14:51,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 158 transitions, 352 flow [2025-03-17 11:14:51,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:14:51,804 INFO L231 Difference]: Finished difference. Result has 161 places, 158 transitions, 328 flow [2025-03-17 11:14:51,804 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=161, PETRI_TRANSITIONS=158} [2025-03-17 11:14:51,805 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -35 predicate places. [2025-03-17 11:14:51,805 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 158 transitions, 328 flow [2025-03-17 11:14:51,805 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) [2025-03-17 11:14:51,806 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:51,806 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] [2025-03-17 11:14:51,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 11:14:51,806 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:51,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:51,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1363547497, now seen corresponding path program 1 times [2025-03-17 11:14:51,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:51,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501910275] [2025-03-17 11:14:51,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:51,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:51,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 11:14:51,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 11:14:51,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:51,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:51,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:51,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501910275] [2025-03-17 11:14:51,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501910275] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:51,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:51,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:51,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710550749] [2025-03-17 11:14:51,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:51,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:51,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:51,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:51,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:51,874 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 216 [2025-03-17 11:14:51,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 158 transitions, 328 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) [2025-03-17 11:14:51,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:51,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 216 [2025-03-17 11:14:51,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:51,903 INFO L124 PetriNetUnfolderBase]: 11/204 cut-off events. [2025-03-17 11:14:51,904 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-17 11:14:51,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 204 events. 11/204 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 298 event pairs, 5 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 193. Up to 25 conditions per place. [2025-03-17 11:14:51,904 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 11 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2025-03-17 11:14:51,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 157 transitions, 352 flow [2025-03-17 11:14:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2025-03-17 11:14:51,906 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8024691358024691 [2025-03-17 11:14:51,906 INFO L175 Difference]: Start difference. First operand has 161 places, 158 transitions, 328 flow. Second operand 3 states and 520 transitions. [2025-03-17 11:14:51,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 157 transitions, 352 flow [2025-03-17 11:14:51,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 157 transitions, 351 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:14:51,908 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 329 flow [2025-03-17 11:14:51,908 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2025-03-17 11:14:51,909 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -35 predicate places. [2025-03-17 11:14:51,909 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 329 flow [2025-03-17 11:14:51,909 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) [2025-03-17 11:14:51,909 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:51,909 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] [2025-03-17 11:14:51,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 11:14:51,909 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:51,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:51,910 INFO L85 PathProgramCache]: Analyzing trace with hash -540602049, now seen corresponding path program 1 times [2025-03-17 11:14:51,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:51,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61517522] [2025-03-17 11:14:51,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:51,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:51,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 11:14:51,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 11:14:51,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:51,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:52,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:52,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61517522] [2025-03-17 11:14:52,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61517522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:52,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:52,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:14:52,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064164597] [2025-03-17 11:14:52,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:52,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:14:52,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:52,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:14:52,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:14:52,422 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 216 [2025-03-17 11:14:52,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 329 flow. Second operand has 6 states, 6 states have (on average 163.5) internal successors, (981), 6 states have internal predecessors, (981), 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) [2025-03-17 11:14:52,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:52,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 216 [2025-03-17 11:14:52,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:52,471 INFO L124 PetriNetUnfolderBase]: 11/203 cut-off events. [2025-03-17 11:14:52,472 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-17 11:14:52,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 203 events. 11/203 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 294 event pairs, 5 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 203. Up to 30 conditions per place. [2025-03-17 11:14:52,473 INFO L140 encePairwiseOnDemand]: 210/216 looper letters, 16 selfloop transitions, 5 changer transitions 0/156 dead transitions. [2025-03-17 11:14:52,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 156 transitions, 369 flow [2025-03-17 11:14:52,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:14:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:14:52,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 993 transitions. [2025-03-17 11:14:52,477 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7662037037037037 [2025-03-17 11:14:52,477 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 329 flow. Second operand 6 states and 993 transitions. [2025-03-17 11:14:52,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 156 transitions, 369 flow [2025-03-17 11:14:52,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 156 transitions, 365 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:14:52,481 INFO L231 Difference]: Finished difference. Result has 163 places, 156 transitions, 333 flow [2025-03-17 11:14:52,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=333, PETRI_PLACES=163, PETRI_TRANSITIONS=156} [2025-03-17 11:14:52,481 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -33 predicate places. [2025-03-17 11:14:52,481 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 156 transitions, 333 flow [2025-03-17 11:14:52,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.5) internal successors, (981), 6 states have internal predecessors, (981), 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) [2025-03-17 11:14:52,482 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:52,482 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] [2025-03-17 11:14:52,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 11:14:52,483 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:52,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:52,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1827771702, now seen corresponding path program 1 times [2025-03-17 11:14:52,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:52,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588211842] [2025-03-17 11:14:52,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:52,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:52,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 11:14:52,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 11:14:52,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:52,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:52,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:52,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:52,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588211842] [2025-03-17 11:14:52,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588211842] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:52,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:52,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:52,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789331946] [2025-03-17 11:14:52,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:52,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:52,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:52,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:52,533 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 216 [2025-03-17 11:14:52,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 156 transitions, 333 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2025-03-17 11:14:52,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:52,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 216 [2025-03-17 11:14:52,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:52,576 INFO L124 PetriNetUnfolderBase]: 19/194 cut-off events. [2025-03-17 11:14:52,577 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-17 11:14:52,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 194 events. 19/194 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 293 event pairs, 9 based on Foata normal form. 1/181 useless extension candidates. Maximal degree in co-relation 243. Up to 38 conditions per place. [2025-03-17 11:14:52,578 INFO L140 encePairwiseOnDemand]: 212/216 looper letters, 12 selfloop transitions, 1 changer transitions 2/153 dead transitions. [2025-03-17 11:14:52,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 153 transitions, 355 flow [2025-03-17 11:14:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2025-03-17 11:14:52,583 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7932098765432098 [2025-03-17 11:14:52,583 INFO L175 Difference]: Start difference. First operand has 163 places, 156 transitions, 333 flow. Second operand 3 states and 514 transitions. [2025-03-17 11:14:52,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 153 transitions, 355 flow [2025-03-17 11:14:52,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 153 transitions, 345 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:14:52,587 INFO L231 Difference]: Finished difference. Result has 157 places, 151 transitions, 315 flow [2025-03-17 11:14:52,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=315, PETRI_PLACES=157, PETRI_TRANSITIONS=151} [2025-03-17 11:14:52,588 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -39 predicate places. [2025-03-17 11:14:52,588 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 151 transitions, 315 flow [2025-03-17 11:14:52,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2025-03-17 11:14:52,588 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:52,588 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] [2025-03-17 11:14:52,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 11:14:52,588 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:52,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:52,589 INFO L85 PathProgramCache]: Analyzing trace with hash -46875243, now seen corresponding path program 1 times [2025-03-17 11:14:52,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:52,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448999253] [2025-03-17 11:14:52,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:52,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:52,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-17 11:14:52,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-17 11:14:52,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:52,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:52,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:52,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448999253] [2025-03-17 11:14:52,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448999253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:52,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:52,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:52,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44848064] [2025-03-17 11:14:52,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:52,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:52,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:52,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:52,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:52,660 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 216 [2025-03-17 11:14:52,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 151 transitions, 315 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2025-03-17 11:14:52,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:52,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 216 [2025-03-17 11:14:52,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:52,711 INFO L124 PetriNetUnfolderBase]: 20/208 cut-off events. [2025-03-17 11:14:52,712 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2025-03-17 11:14:52,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 208 events. 20/208 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 404 event pairs, 8 based on Foata normal form. 1/201 useless extension candidates. Maximal degree in co-relation 216. Up to 29 conditions per place. [2025-03-17 11:14:52,713 INFO L140 encePairwiseOnDemand]: 211/216 looper letters, 11 selfloop transitions, 2 changer transitions 2/152 dead transitions. [2025-03-17 11:14:52,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 152 transitions, 348 flow [2025-03-17 11:14:52,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2025-03-17 11:14:52,715 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8070987654320988 [2025-03-17 11:14:52,715 INFO L175 Difference]: Start difference. First operand has 157 places, 151 transitions, 315 flow. Second operand 3 states and 523 transitions. [2025-03-17 11:14:52,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 152 transitions, 348 flow [2025-03-17 11:14:52,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 152 transitions, 347 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:14:52,717 INFO L231 Difference]: Finished difference. Result has 154 places, 147 transitions, 309 flow [2025-03-17 11:14:52,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=309, PETRI_PLACES=154, PETRI_TRANSITIONS=147} [2025-03-17 11:14:52,718 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -42 predicate places. [2025-03-17 11:14:52,718 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 147 transitions, 309 flow [2025-03-17 11:14:52,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2025-03-17 11:14:52,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:14:52,719 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:14:52,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 11:14:52,719 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-17 11:14:52,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:14:52,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1271747753, now seen corresponding path program 1 times [2025-03-17 11:14:52,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:14:52,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167179479] [2025-03-17 11:14:52,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:14:52,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:14:52,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-17 11:14:52,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-17 11:14:52,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:14:52,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:14:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:14:52,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:14:52,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167179479] [2025-03-17 11:14:52,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167179479] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:14:52,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:14:52,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:14:52,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242063339] [2025-03-17 11:14:52,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:14:52,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:14:52,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:14:52,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:14:52,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:14:52,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 216 [2025-03-17 11:14:52,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 147 transitions, 309 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) [2025-03-17 11:14:52,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:14:52,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 216 [2025-03-17 11:14:52,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:14:52,812 INFO L124 PetriNetUnfolderBase]: 26/209 cut-off events. [2025-03-17 11:14:52,813 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-03-17 11:14:52,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 209 events. 26/209 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 439 event pairs, 14 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 237. Up to 42 conditions per place. [2025-03-17 11:14:52,813 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 0 selfloop transitions, 0 changer transitions 149/149 dead transitions. [2025-03-17 11:14:52,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 149 transitions, 344 flow [2025-03-17 11:14:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:14:52,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:14:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 522 transitions. [2025-03-17 11:14:52,815 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2025-03-17 11:14:52,815 INFO L175 Difference]: Start difference. First operand has 154 places, 147 transitions, 309 flow. Second operand 3 states and 522 transitions. [2025-03-17 11:14:52,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 149 transitions, 344 flow [2025-03-17 11:14:52,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 149 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:14:52,817 INFO L231 Difference]: Finished difference. Result has 151 places, 0 transitions, 0 flow [2025-03-17 11:14:52,817 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=151, PETRI_TRANSITIONS=0} [2025-03-17 11:14:52,817 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -45 predicate places. [2025-03-17 11:14:52,818 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 0 transitions, 0 flow [2025-03-17 11:14:52,818 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) [2025-03-17 11:14:52,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2025-03-17 11:14:52,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2025-03-17 11:14:52,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2025-03-17 11:14:52,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2025-03-17 11:14:52,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2025-03-17 11:14:52,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2025-03-17 11:14:52,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (28 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (27 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2025-03-17 11:14:52,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2025-03-17 11:14:52,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 11:14:52,824 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:14:52,828 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 11:14:52,829 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 11:14:52,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:14:52 BasicIcfg [2025-03-17 11:14:52,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 11:14:52,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 11:14:52,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 11:14:52,833 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 11:14:52,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:14:50" (3/4) ... [2025-03-17 11:14:52,835 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 11:14:52,837 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-17 11:14:52,837 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-17 11:14:52,840 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-17 11:14:52,840 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-17 11:14:52,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 11:14:52,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 11:14:52,906 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 11:14:52,906 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 11:14:52,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 11:14:52,907 INFO L158 Benchmark]: Toolchain (without parser) took 3110.99ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 123.7MB in the beginning and 204.1MB in the end (delta: -80.4MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2025-03-17 11:14:52,907 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:14:52,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.20ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 110.9MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 11:14:52,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.00ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 11:14:52,908 INFO L158 Benchmark]: Boogie Preprocessor took 32.09ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 107.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:14:52,908 INFO L158 Benchmark]: IcfgBuilder took 660.81ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 47.1MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-17 11:14:52,908 INFO L158 Benchmark]: TraceAbstraction took 2070.52ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 46.4MB in the beginning and 211.0MB in the end (delta: -164.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2025-03-17 11:14:52,909 INFO L158 Benchmark]: Witness Printer took 72.60ms. Allocated memory is still 352.3MB. Free memory was 211.0MB in the beginning and 204.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 11:14:52,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.20ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 110.9MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.00ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.09ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 107.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 660.81ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 47.1MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2070.52ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 46.4MB in the beginning and 211.0MB in the end (delta: -164.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 72.60ms. Allocated memory is still 352.3MB. Free memory was 211.0MB in the beginning and 204.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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, 267 locations, 279 edges, 71 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: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 195 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 330 IncrementalHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 31 mSDtfsCounter, 330 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=406occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 680 NumberOfCodeBlocks, 680 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 669 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 11:14:52,927 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