./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 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-bad-counter-queue.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 387879bf92b16ead997b40b3e249348f8a6b399496756f9bc3c41b6dc3c21353 --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:44:53,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:44:54,028 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:44:54,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:44:54,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:44:54,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:44:54,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:44:54,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:44:54,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:44:54,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:44:54,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:44:54,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:44:54,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:44:54,058 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:44:54,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:44:54,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:44:54,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:44:54,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:44:54,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:44:54,059 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 -> 387879bf92b16ead997b40b3e249348f8a6b399496756f9bc3c41b6dc3c21353 [2025-03-14 01:44:54,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:44:54,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:44:54,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:44:54,306 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:44:54,306 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:44:54,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2025-03-14 01:44:55,497 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8acb36f/2a2b277e5c1c48a9ae16889082c3bf10/FLAGfd299a1cd [2025-03-14 01:44:55,751 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:44:55,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2025-03-14 01:44:55,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8acb36f/2a2b277e5c1c48a9ae16889082c3bf10/FLAGfd299a1cd [2025-03-14 01:44:55,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8acb36f/2a2b277e5c1c48a9ae16889082c3bf10 [2025-03-14 01:44:55,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:44:55,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:44:55,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:44:55,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:44:55,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:44:55,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:44:55" (1/1) ... [2025-03-14 01:44:55,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dac3c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:55, skipping insertion in model container [2025-03-14 01:44:55,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:44:55" (1/1) ... [2025-03-14 01:44:55,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:44:55,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:44:55,994 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:44:56,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:44:56,026 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:44:56,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56 WrapperNode [2025-03-14 01:44:56,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:44:56,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:44:56,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:44:56,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:44:56,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,068 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 166 [2025-03-14 01:44:56,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:44:56,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:44:56,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:44:56,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:44:56,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:44:56,105 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:44:56,105 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:44:56,105 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:44:56,109 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (1/1) ... [2025-03-14 01:44:56,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:44:56,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:44:56,142 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) [2025-03-14 01:44:56,146 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 [2025-03-14 01:44:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:44:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:44:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:44:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:44:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:44:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:44:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-14 01:44:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-14 01:44:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:44:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:44:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-14 01:44:56,167 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:44:56,242 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:44:56,245 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:44:56,570 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:44:56,570 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:44:56,570 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:44:56,596 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:44:56,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:56 BoogieIcfgContainer [2025-03-14 01:44:56,596 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:44:56,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:44:56,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:44:56,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:44:56,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:44:55" (1/3) ... [2025-03-14 01:44:56,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2700c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:44:56, skipping insertion in model container [2025-03-14 01:44:56,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:56" (2/3) ... [2025-03-14 01:44:56,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2700c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:44:56, skipping insertion in model container [2025-03-14 01:44:56,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:56" (3/3) ... [2025-03-14 01:44:56,604 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2025-03-14 01:44:56,617 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:44:56,620 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue.wvr.c that has 3 procedures, 209 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2025-03-14 01:44:56,621 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:44:56,711 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-14 01:44:56,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 220 transitions, 454 flow [2025-03-14 01:44:56,823 INFO L124 PetriNetUnfolderBase]: 12/218 cut-off events. [2025-03-14 01:44:56,825 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-14 01:44:56,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 218 events. 12/218 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 144. Up to 2 conditions per place. [2025-03-14 01:44:56,833 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 220 transitions, 454 flow [2025-03-14 01:44:56,839 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 201 transitions, 411 flow [2025-03-14 01:44:56,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:44:56,861 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;@c85fe4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:44:56,861 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-03-14 01:44:56,867 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:44:56,869 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-03-14 01:44:56,869 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:44:56,869 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:56,870 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:56,871 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:56,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:56,878 INFO L85 PathProgramCache]: Analyzing trace with hash -852725143, now seen corresponding path program 1 times [2025-03-14 01:44:56,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:56,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64562369] [2025-03-14 01:44:56,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:56,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:56,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-14 01:44:56,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-14 01:44:56,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:56,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:57,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:57,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64562369] [2025-03-14 01:44:57,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64562369] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:57,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:57,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:57,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989575926] [2025-03-14 01:44:57,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:57,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:57,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:57,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:57,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:57,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 220 [2025-03-14 01:44:57,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 201 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:57,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:57,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 220 [2025-03-14 01:44:57,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:57,210 INFO L124 PetriNetUnfolderBase]: 14/355 cut-off events. [2025-03-14 01:44:57,210 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-14 01:44:57,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 355 events. 14/355 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 937 event pairs, 8 based on Foata normal form. 14/330 useless extension candidates. Maximal degree in co-relation 297. Up to 31 conditions per place. [2025-03-14 01:44:57,214 INFO L140 encePairwiseOnDemand]: 209/220 looper letters, 11 selfloop transitions, 2 changer transitions 2/192 dead transitions. [2025-03-14 01:44:57,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 192 transitions, 419 flow [2025-03-14 01:44:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 604 transitions. [2025-03-14 01:44:57,230 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9151515151515152 [2025-03-14 01:44:57,231 INFO L175 Difference]: Start difference. First operand has 197 places, 201 transitions, 411 flow. Second operand 3 states and 604 transitions. [2025-03-14 01:44:57,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 192 transitions, 419 flow [2025-03-14 01:44:57,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 192 transitions, 414 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-14 01:44:57,242 INFO L231 Difference]: Finished difference. Result has 195 places, 190 transitions, 388 flow [2025-03-14 01:44:57,245 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=195, PETRI_TRANSITIONS=190} [2025-03-14 01:44:57,248 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -2 predicate places. [2025-03-14 01:44:57,249 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 190 transitions, 388 flow [2025-03-14 01:44:57,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:57,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:57,249 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] [2025-03-14 01:44:57,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:44:57,250 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:57,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1545417568, now seen corresponding path program 1 times [2025-03-14 01:44:57,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:57,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937572726] [2025-03-14 01:44:57,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:57,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:57,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-14 01:44:57,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-14 01:44:57,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:57,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:57,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:57,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937572726] [2025-03-14 01:44:57,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937572726] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:57,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:57,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:57,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005368054] [2025-03-14 01:44:57,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:57,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:57,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:57,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:57,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:57,321 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 220 [2025-03-14 01:44:57,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 190 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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) [2025-03-14 01:44:57,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:57,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 220 [2025-03-14 01:44:57,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:57,407 INFO L124 PetriNetUnfolderBase]: 26/501 cut-off events. [2025-03-14 01:44:57,407 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-14 01:44:57,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 501 events. 26/501 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1923 event pairs, 15 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 538. Up to 49 conditions per place. [2025-03-14 01:44:57,410 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 11 selfloop transitions, 1 changer transitions 0/187 dead transitions. [2025-03-14 01:44:57,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 187 transitions, 406 flow [2025-03-14 01:44:57,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2025-03-14 01:44:57,412 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9045454545454545 [2025-03-14 01:44:57,412 INFO L175 Difference]: Start difference. First operand has 195 places, 190 transitions, 388 flow. Second operand 3 states and 597 transitions. [2025-03-14 01:44:57,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 187 transitions, 406 flow [2025-03-14 01:44:57,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:57,419 INFO L231 Difference]: Finished difference. Result has 190 places, 187 transitions, 380 flow [2025-03-14 01:44:57,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=190, PETRI_TRANSITIONS=187} [2025-03-14 01:44:57,420 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -7 predicate places. [2025-03-14 01:44:57,420 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 187 transitions, 380 flow [2025-03-14 01:44:57,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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) [2025-03-14 01:44:57,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:57,421 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:57,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:44:57,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:57,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:57,421 INFO L85 PathProgramCache]: Analyzing trace with hash -829025927, now seen corresponding path program 1 times [2025-03-14 01:44:57,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:57,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744490132] [2025-03-14 01:44:57,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:57,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-14 01:44:57,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-14 01:44:57,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:57,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:57,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:57,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744490132] [2025-03-14 01:44:57,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744490132] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:57,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:57,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:44:57,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324032668] [2025-03-14 01:44:57,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:57,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:44:57,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:57,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:44:57,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:44:58,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 220 [2025-03-14 01:44:58,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 187 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 183.5) internal successors, (1101), 6 states have internal predecessors, (1101), 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) [2025-03-14 01:44:58,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:58,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 220 [2025-03-14 01:44:58,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:58,208 INFO L124 PetriNetUnfolderBase]: 56/629 cut-off events. [2025-03-14 01:44:58,208 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-14 01:44:58,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 759 conditions, 629 events. 56/629 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2784 event pairs, 35 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 733. Up to 109 conditions per place. [2025-03-14 01:44:58,212 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 21 selfloop transitions, 5 changer transitions 0/186 dead transitions. [2025-03-14 01:44:58,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 186 transitions, 430 flow [2025-03-14 01:44:58,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:44:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:44:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1119 transitions. [2025-03-14 01:44:58,217 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8477272727272728 [2025-03-14 01:44:58,219 INFO L175 Difference]: Start difference. First operand has 190 places, 187 transitions, 380 flow. Second operand 6 states and 1119 transitions. [2025-03-14 01:44:58,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 186 transitions, 430 flow [2025-03-14 01:44:58,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 186 transitions, 429 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:58,222 INFO L231 Difference]: Finished difference. Result has 193 places, 186 transitions, 387 flow [2025-03-14 01:44:58,222 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=193, PETRI_TRANSITIONS=186} [2025-03-14 01:44:58,223 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -4 predicate places. [2025-03-14 01:44:58,223 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 186 transitions, 387 flow [2025-03-14 01:44:58,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.5) internal successors, (1101), 6 states have internal predecessors, (1101), 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) [2025-03-14 01:44:58,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:58,226 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] [2025-03-14 01:44:58,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:44:58,226 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:58,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:58,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1647576223, now seen corresponding path program 1 times [2025-03-14 01:44:58,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:58,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164800982] [2025-03-14 01:44:58,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:58,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:58,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-14 01:44:58,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-14 01:44:58,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:58,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:58,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:58,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164800982] [2025-03-14 01:44:58,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164800982] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:58,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:58,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:58,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619684211] [2025-03-14 01:44:58,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:58,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:58,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:58,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:58,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:58,272 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 220 [2025-03-14 01:44:58,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 186 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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) [2025-03-14 01:44:58,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:58,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 220 [2025-03-14 01:44:58,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:58,312 INFO L124 PetriNetUnfolderBase]: 13/303 cut-off events. [2025-03-14 01:44:58,314 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-14 01:44:58,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 303 events. 13/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 706 event pairs, 8 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 329. Up to 27 conditions per place. [2025-03-14 01:44:58,316 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 10 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2025-03-14 01:44:58,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 185 transitions, 409 flow [2025-03-14 01:44:58,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:58,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions. [2025-03-14 01:44:58,320 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.906060606060606 [2025-03-14 01:44:58,320 INFO L175 Difference]: Start difference. First operand has 193 places, 186 transitions, 387 flow. Second operand 3 states and 598 transitions. [2025-03-14 01:44:58,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 185 transitions, 409 flow [2025-03-14 01:44:58,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 185 transitions, 399 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:44:58,323 INFO L231 Difference]: Finished difference. Result has 189 places, 185 transitions, 379 flow [2025-03-14 01:44:58,324 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=189, PETRI_TRANSITIONS=185} [2025-03-14 01:44:58,324 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -8 predicate places. [2025-03-14 01:44:58,324 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 185 transitions, 379 flow [2025-03-14 01:44:58,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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) [2025-03-14 01:44:58,325 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:58,325 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:58,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:44:58,325 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:58,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:58,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1425018801, now seen corresponding path program 1 times [2025-03-14 01:44:58,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:58,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344799491] [2025-03-14 01:44:58,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:58,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:58,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-14 01:44:58,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-14 01:44:58,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:58,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:58,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:58,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344799491] [2025-03-14 01:44:58,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344799491] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:58,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:58,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:58,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978452665] [2025-03-14 01:44:58,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:58,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:58,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:58,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:58,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:58,384 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 220 [2025-03-14 01:44:58,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 185 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2025-03-14 01:44:58,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:58,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 220 [2025-03-14 01:44:58,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:58,500 INFO L124 PetriNetUnfolderBase]: 30/512 cut-off events. [2025-03-14 01:44:58,500 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-14 01:44:58,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 512 events. 30/512 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1958 event pairs, 6 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 556. Up to 51 conditions per place. [2025-03-14 01:44:58,505 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 12 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2025-03-14 01:44:58,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 187 transitions, 414 flow [2025-03-14 01:44:58,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2025-03-14 01:44:58,508 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9196969696969697 [2025-03-14 01:44:58,508 INFO L175 Difference]: Start difference. First operand has 189 places, 185 transitions, 379 flow. Second operand 3 states and 607 transitions. [2025-03-14 01:44:58,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 187 transitions, 414 flow [2025-03-14 01:44:58,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 187 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:58,513 INFO L231 Difference]: Finished difference. Result has 188 places, 185 transitions, 385 flow [2025-03-14 01:44:58,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=188, PETRI_TRANSITIONS=185} [2025-03-14 01:44:58,517 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2025-03-14 01:44:58,518 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 185 transitions, 385 flow [2025-03-14 01:44:58,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2025-03-14 01:44:58,518 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:58,518 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] [2025-03-14 01:44:58,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:44:58,519 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:58,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:58,521 INFO L85 PathProgramCache]: Analyzing trace with hash 19514770, now seen corresponding path program 1 times [2025-03-14 01:44:58,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:58,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065841430] [2025-03-14 01:44:58,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:58,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:58,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-14 01:44:58,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-14 01:44:58,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:58,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:58,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:58,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065841430] [2025-03-14 01:44:58,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065841430] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:58,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:58,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-14 01:44:58,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597696000] [2025-03-14 01:44:58,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:58,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-14 01:44:58,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:58,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-14 01:44:58,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-14 01:44:58,850 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2025-03-14 01:44:58,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 185 transitions, 385 flow. Second operand has 7 states, 7 states have (on average 190.85714285714286) internal successors, (1336), 7 states have internal predecessors, (1336), 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) [2025-03-14 01:44:58,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:58,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2025-03-14 01:44:58,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:59,012 INFO L124 PetriNetUnfolderBase]: 33/600 cut-off events. [2025-03-14 01:44:59,012 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-14 01:44:59,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 600 events. 33/600 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2412 event pairs, 14 based on Foata normal form. 3/563 useless extension candidates. Maximal degree in co-relation 701. Up to 49 conditions per place. [2025-03-14 01:44:59,018 INFO L140 encePairwiseOnDemand]: 207/220 looper letters, 19 selfloop transitions, 14 changer transitions 0/198 dead transitions. [2025-03-14 01:44:59,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 198 transitions, 483 flow [2025-03-14 01:44:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-14 01:44:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-14 01:44:59,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1924 transitions. [2025-03-14 01:44:59,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8745454545454545 [2025-03-14 01:44:59,022 INFO L175 Difference]: Start difference. First operand has 188 places, 185 transitions, 385 flow. Second operand 10 states and 1924 transitions. [2025-03-14 01:44:59,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 198 transitions, 483 flow [2025-03-14 01:44:59,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 198 transitions, 483 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:44:59,027 INFO L231 Difference]: Finished difference. Result has 201 places, 192 transitions, 451 flow [2025-03-14 01:44:59,027 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=451, PETRI_PLACES=201, PETRI_TRANSITIONS=192} [2025-03-14 01:44:59,028 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, 4 predicate places. [2025-03-14 01:44:59,029 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 192 transitions, 451 flow [2025-03-14 01:44:59,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 190.85714285714286) internal successors, (1336), 7 states have internal predecessors, (1336), 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) [2025-03-14 01:44:59,030 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:59,030 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] [2025-03-14 01:44:59,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:44:59,030 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:59,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:59,031 INFO L85 PathProgramCache]: Analyzing trace with hash -245979245, now seen corresponding path program 1 times [2025-03-14 01:44:59,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:59,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201144762] [2025-03-14 01:44:59,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:59,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-14 01:44:59,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-14 01:44:59,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:59,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:59,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:59,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201144762] [2025-03-14 01:44:59,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201144762] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:59,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:59,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-14 01:44:59,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176014808] [2025-03-14 01:44:59,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:59,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-14 01:44:59,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:59,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-14 01:44:59,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-14 01:44:59,321 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2025-03-14 01:44:59,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 192 transitions, 451 flow. Second operand has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2025-03-14 01:44:59,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:59,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2025-03-14 01:44:59,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:59,463 INFO L124 PetriNetUnfolderBase]: 31/446 cut-off events. [2025-03-14 01:44:59,463 INFO L125 PetriNetUnfolderBase]: For 32/33 co-relation queries the response was YES. [2025-03-14 01:44:59,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 446 events. 31/446 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1554 event pairs, 15 based on Foata normal form. 2/427 useless extension candidates. Maximal degree in co-relation 544. Up to 53 conditions per place. [2025-03-14 01:44:59,466 INFO L140 encePairwiseOnDemand]: 207/220 looper letters, 13 selfloop transitions, 8 changer transitions 12/198 dead transitions. [2025-03-14 01:44:59,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 198 transitions, 530 flow [2025-03-14 01:44:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-14 01:44:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-14 01:44:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1922 transitions. [2025-03-14 01:44:59,470 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8736363636363637 [2025-03-14 01:44:59,470 INFO L175 Difference]: Start difference. First operand has 201 places, 192 transitions, 451 flow. Second operand 10 states and 1922 transitions. [2025-03-14 01:44:59,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 198 transitions, 530 flow [2025-03-14 01:44:59,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 198 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:59,475 INFO L231 Difference]: Finished difference. Result has 211 places, 186 transitions, 439 flow [2025-03-14 01:44:59,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=439, PETRI_PLACES=211, PETRI_TRANSITIONS=186} [2025-03-14 01:44:59,476 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, 14 predicate places. [2025-03-14 01:44:59,477 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 186 transitions, 439 flow [2025-03-14 01:44:59,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2025-03-14 01:44:59,478 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:59,478 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] [2025-03-14 01:44:59,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:44:59,479 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:59,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:59,479 INFO L85 PathProgramCache]: Analyzing trace with hash 995831228, now seen corresponding path program 1 times [2025-03-14 01:44:59,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:59,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996066363] [2025-03-14 01:44:59,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:59,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:59,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-14 01:44:59,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-14 01:44:59,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:59,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-14 01:44:59,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:59,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996066363] [2025-03-14 01:44:59,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996066363] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:59,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:59,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:44:59,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740947890] [2025-03-14 01:44:59,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:59,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:44:59,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:59,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:44:59,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:44:59,911 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2025-03-14 01:44:59,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 186 transitions, 439 flow. Second operand has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 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) [2025-03-14 01:44:59,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:59,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2025-03-14 01:44:59,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:59,981 INFO L124 PetriNetUnfolderBase]: 31/389 cut-off events. [2025-03-14 01:44:59,981 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-14 01:44:59,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 389 events. 31/389 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1171 event pairs, 8 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 506. Up to 39 conditions per place. [2025-03-14 01:44:59,984 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 22 selfloop transitions, 5 changer transitions 0/193 dead transitions. [2025-03-14 01:44:59,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 193 transitions, 515 flow [2025-03-14 01:44:59,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:44:59,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:44:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1162 transitions. [2025-03-14 01:44:59,987 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8803030303030303 [2025-03-14 01:44:59,987 INFO L175 Difference]: Start difference. First operand has 211 places, 186 transitions, 439 flow. Second operand 6 states and 1162 transitions. [2025-03-14 01:44:59,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 193 transitions, 515 flow [2025-03-14 01:44:59,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 193 transitions, 471 flow, removed 7 selfloop flow, removed 13 redundant places. [2025-03-14 01:44:59,990 INFO L231 Difference]: Finished difference. Result has 194 places, 185 transitions, 403 flow [2025-03-14 01:44:59,991 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=403, PETRI_PLACES=194, PETRI_TRANSITIONS=185} [2025-03-14 01:44:59,991 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -3 predicate places. [2025-03-14 01:44:59,991 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 185 transitions, 403 flow [2025-03-14 01:44:59,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 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) [2025-03-14 01:44:59,992 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:59,992 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] [2025-03-14 01:44:59,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:44:59,993 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-14 01:44:59,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:59,993 INFO L85 PathProgramCache]: Analyzing trace with hash 949995581, now seen corresponding path program 1 times [2025-03-14 01:44:59,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:59,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576702679] [2025-03-14 01:44:59,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:59,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:00,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-14 01:45:00,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-14 01:45:00,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:00,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-14 01:45:00,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:00,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576702679] [2025-03-14 01:45:00,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576702679] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:00,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:00,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:45:00,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061828925] [2025-03-14 01:45:00,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:00,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:45:00,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:00,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:45:00,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:45:00,458 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 220 [2025-03-14 01:45:00,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 185 transitions, 403 flow. Second operand has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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) [2025-03-14 01:45:00,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:00,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 220 [2025-03-14 01:45:00,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:00,520 INFO L124 PetriNetUnfolderBase]: 40/413 cut-off events. [2025-03-14 01:45:00,520 INFO L125 PetriNetUnfolderBase]: For 21/22 co-relation queries the response was YES. [2025-03-14 01:45:00,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 413 events. 40/413 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1430 event pairs, 10 based on Foata normal form. 0/387 useless extension candidates. Maximal degree in co-relation 504. Up to 43 conditions per place. [2025-03-14 01:45:00,522 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 0 selfloop transitions, 0 changer transitions 192/192 dead transitions. [2025-03-14 01:45:00,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 192 transitions, 475 flow [2025-03-14 01:45:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:45:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:45:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1162 transitions. [2025-03-14 01:45:00,524 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8803030303030303 [2025-03-14 01:45:00,524 INFO L175 Difference]: Start difference. First operand has 194 places, 185 transitions, 403 flow. Second operand 6 states and 1162 transitions. [2025-03-14 01:45:00,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 192 transitions, 475 flow [2025-03-14 01:45:00,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 192 transitions, 465 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:45:00,526 INFO L231 Difference]: Finished difference. Result has 193 places, 0 transitions, 0 flow [2025-03-14 01:45:00,527 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=193, PETRI_TRANSITIONS=0} [2025-03-14 01:45:00,528 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -4 predicate places. [2025-03-14 01:45:00,528 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 0 transitions, 0 flow [2025-03-14 01:45:00,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 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) [2025-03-14 01:45:00,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 18 remaining) [2025-03-14 01:45:00,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2025-03-14 01:45:00,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2025-03-14 01:45:00,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2025-03-14 01:45:00,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2025-03-14 01:45:00,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2025-03-14 01:45:00,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-14 01:45:00,533 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:45:00,537 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:45:00,537 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:45:00,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:45:00 BasicIcfg [2025-03-14 01:45:00,541 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:45:00,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:45:00,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:45:00,542 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:45:00,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:56" (3/4) ... [2025-03-14 01:45:00,543 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:45:00,545 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-14 01:45:00,545 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-14 01:45:00,548 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-14 01:45:00,548 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-14 01:45:00,549 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:45:00,549 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:45:00,614 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:45:00,614 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:45:00,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:45:00,615 INFO L158 Benchmark]: Toolchain (without parser) took 4804.25ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 107.9MB in the beginning and 154.6MB in the end (delta: -46.7MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. [2025-03-14 01:45:00,615 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:45:00,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.48ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 95.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:45:00,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.25ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 93.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:45:00,616 INFO L158 Benchmark]: Boogie Preprocessor took 28.58ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 990.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:45:00,616 INFO L158 Benchmark]: IcfgBuilder took 491.66ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 71.1MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-14 01:45:00,617 INFO L158 Benchmark]: TraceAbstraction took 3943.15ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 71.1MB in the beginning and 159.7MB in the end (delta: -88.6MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2025-03-14 01:45:00,617 INFO L158 Benchmark]: Witness Printer took 72.46ms. Allocated memory is still 318.8MB. Free memory was 159.7MB in the beginning and 154.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:45:00,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.48ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 95.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.25ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 93.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.58ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 990.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 491.66ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 71.1MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3943.15ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 71.1MB in the beginning and 159.7MB in the end (delta: -88.6MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. * Witness Printer took 72.46ms. Allocated memory is still 318.8MB. Free memory was 159.7MB in the beginning and 154.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 89]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 315 locations, 18 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: 3.8s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 681 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 445 mSDsluCounter, 420 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 387 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1093 IncrementalHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 33 mSDtfsCounter, 1093 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=451occurred in iteration=6, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 2/2 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:45:00,640 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