./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:30:41,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:30:41,743 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:30:41,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:30:41,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:30:41,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:30:41,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:30:41,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:30:41,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:30:41,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:30:41,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:30:41,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:30:41,761 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:30:41,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:30:41,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:30:41,761 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:30:41,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:30:41,762 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:30:41,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:30:41,762 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:30:41,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:30:41,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:30:41,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:30:41,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:30:41,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:30:41,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:30:41,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:30:41,763 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-jdk21/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 -> 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e [2025-02-08 05:30:42,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:30:42,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:30:42,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:30:42,011 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:30:42,011 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:30:42,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i [2025-02-08 05:30:43,223 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7b9a9ccd/8c776152a84b4d4bae912d762d59ac48/FLAG0edfebf6b [2025-02-08 05:30:43,496 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:30:43,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i [2025-02-08 05:30:43,528 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7b9a9ccd/8c776152a84b4d4bae912d762d59ac48/FLAG0edfebf6b [2025-02-08 05:30:43,542 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7b9a9ccd/8c776152a84b4d4bae912d762d59ac48 [2025-02-08 05:30:43,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:30:43,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:30:43,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:30:43,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:30:43,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:30:43,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:30:43" (1/1) ... [2025-02-08 05:30:43,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf32be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:43, skipping insertion in model container [2025-02-08 05:30:43,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:30:43" (1/1) ... [2025-02-08 05:30:43,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:30:43,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:30:44,005 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:30:44,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:30:44,156 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:30:44,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44 WrapperNode [2025-02-08 05:30:44,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:30:44,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:30:44,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:30:44,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:30:44,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,211 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 117 [2025-02-08 05:30:44,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:30:44,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:30:44,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:30:44,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:30:44,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:30:44,249 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:30:44,249 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:30:44,249 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:30:44,250 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (1/1) ... [2025-02-08 05:30:44,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:30:44,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:30:44,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:30:44,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:30:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2025-02-08 05:30:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2025-02-08 05:30:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2025-02-08 05:30:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2025-02-08 05:30:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:30:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:30:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:30:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:30:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:30:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2025-02-08 05:30:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:30:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 05:30:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:30:44,316 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:30:44,531 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:30:44,533 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:30:44,779 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:30:44,779 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:30:44,801 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:30:44,801 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:30:44,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:30:44 BoogieIcfgContainer [2025-02-08 05:30:44,801 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:30:44,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:30:44,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:30:44,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:30:44,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:30:43" (1/3) ... [2025-02-08 05:30:44,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502af6f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:30:44, skipping insertion in model container [2025-02-08 05:30:44,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:44" (2/3) ... [2025-02-08 05:30:44,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502af6f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:30:44, skipping insertion in model container [2025-02-08 05:30:44,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:30:44" (3/3) ... [2025-02-08 05:30:44,812 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i [2025-02-08 05:30:44,822 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:30:44,824 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_36-trylock_nr.i that has 3 procedures, 233 locations, 1 initial locations, 11 loop locations, and 14 error locations. [2025-02-08 05:30:44,825 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:30:44,902 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 05:30:44,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 270 transitions, 554 flow [2025-02-08 05:30:45,027 INFO L124 PetriNetUnfolderBase]: 38/268 cut-off events. [2025-02-08 05:30:45,028 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 05:30:45,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 268 events. 38/268 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 846 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 190. Up to 5 conditions per place. [2025-02-08 05:30:45,038 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 270 transitions, 554 flow [2025-02-08 05:30:45,045 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 258 transitions, 528 flow [2025-02-08 05:30:45,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:30:45,065 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;@59151a39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:30:45,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-02-08 05:30:45,071 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:30:45,071 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2025-02-08 05:30:45,071 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:30:45,072 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:45,072 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] [2025-02-08 05:30:45,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:45,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:45,078 INFO L85 PathProgramCache]: Analyzing trace with hash -159727371, now seen corresponding path program 1 times [2025-02-08 05:30:45,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:45,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925432597] [2025-02-08 05:30:45,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:30:45,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:45,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 05:30:45,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 05:30:45,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:30:45,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:45,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:45,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925432597] [2025-02-08 05:30:45,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925432597] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:45,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:45,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:30:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655322662] [2025-02-08 05:30:45,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:45,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:30:45,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:45,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:30:45,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:30:45,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 270 [2025-02-08 05:30:45,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 258 transitions, 528 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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) [2025-02-08 05:30:45,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:45,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 270 [2025-02-08 05:30:45,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:45,547 INFO L124 PetriNetUnfolderBase]: 46/536 cut-off events. [2025-02-08 05:30:45,547 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-02-08 05:30:45,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 536 events. 46/536 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2896 event pairs, 15 based on Foata normal form. 94/543 useless extension candidates. Maximal degree in co-relation 465. Up to 48 conditions per place. [2025-02-08 05:30:45,553 INFO L140 encePairwiseOnDemand]: 250/270 looper letters, 13 selfloop transitions, 2 changer transitions 9/225 dead transitions. [2025-02-08 05:30:45,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 225 transitions, 492 flow [2025-02-08 05:30:45,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:30:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:30:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2025-02-08 05:30:45,566 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8814814814814815 [2025-02-08 05:30:45,568 INFO L175 Difference]: Start difference. First operand has 229 places, 258 transitions, 528 flow. Second operand 3 states and 714 transitions. [2025-02-08 05:30:45,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 225 transitions, 492 flow [2025-02-08 05:30:45,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 225 transitions, 484 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-08 05:30:45,577 INFO L231 Difference]: Finished difference. Result has 218 places, 216 transitions, 440 flow [2025-02-08 05:30:45,579 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=440, PETRI_PLACES=218, PETRI_TRANSITIONS=216} [2025-02-08 05:30:45,581 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -11 predicate places. [2025-02-08 05:30:45,582 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 216 transitions, 440 flow [2025-02-08 05:30:45,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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) [2025-02-08 05:30:45,582 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:45,582 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] [2025-02-08 05:30:45,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:30:45,582 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting counter_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:45,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:45,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2059672263, now seen corresponding path program 1 times [2025-02-08 05:30:45,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:45,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85181987] [2025-02-08 05:30:45,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:30:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:45,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 05:30:45,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 05:30:45,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:30:45,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:45,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:45,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85181987] [2025-02-08 05:30:45,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85181987] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:45,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:45,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:30:45,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772314502] [2025-02-08 05:30:45,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:45,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:30:45,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:45,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:30:45,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:30:45,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 270 [2025-02-08 05:30:45,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 216 transitions, 440 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 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) [2025-02-08 05:30:45,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:45,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 270 [2025-02-08 05:30:45,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:45,802 INFO L124 PetriNetUnfolderBase]: 68/684 cut-off events. [2025-02-08 05:30:45,802 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 05:30:45,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 767 conditions, 684 events. 68/684 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4239 event pairs, 19 based on Foata normal form. 0/577 useless extension candidates. Maximal degree in co-relation 733. Up to 69 conditions per place. [2025-02-08 05:30:45,807 INFO L140 encePairwiseOnDemand]: 266/270 looper letters, 14 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2025-02-08 05:30:45,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 217 transitions, 475 flow [2025-02-08 05:30:45,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:30:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:30:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions. [2025-02-08 05:30:45,809 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703 [2025-02-08 05:30:45,809 INFO L175 Difference]: Start difference. First operand has 218 places, 216 transitions, 440 flow. Second operand 3 states and 705 transitions. [2025-02-08 05:30:45,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 217 transitions, 475 flow [2025-02-08 05:30:45,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 217 transitions, 471 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:30:45,813 INFO L231 Difference]: Finished difference. Result has 209 places, 216 transitions, 446 flow [2025-02-08 05:30:45,814 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=446, PETRI_PLACES=209, PETRI_TRANSITIONS=216} [2025-02-08 05:30:45,814 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -20 predicate places. [2025-02-08 05:30:45,814 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 216 transitions, 446 flow [2025-02-08 05:30:45,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 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) [2025-02-08 05:30:45,815 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:45,815 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] [2025-02-08 05:30:45,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:30:45,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:45,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:45,815 INFO L85 PathProgramCache]: Analyzing trace with hash 86949920, now seen corresponding path program 1 times [2025-02-08 05:30:45,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:45,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349295973] [2025-02-08 05:30:45,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:30:45,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:45,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 05:30:45,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 05:30:45,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:30:45,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:45,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:45,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349295973] [2025-02-08 05:30:45,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349295973] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:45,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:45,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:30:45,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499486653] [2025-02-08 05:30:45,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:45,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:30:45,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:45,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:30:45,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:30:45,935 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 270 [2025-02-08 05:30:45,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 216 transitions, 446 flow. Second operand has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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) [2025-02-08 05:30:45,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:45,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 270 [2025-02-08 05:30:45,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:46,181 INFO L124 PetriNetUnfolderBase]: 442/2187 cut-off events. [2025-02-08 05:30:46,181 INFO L125 PetriNetUnfolderBase]: For 8/13 co-relation queries the response was YES. [2025-02-08 05:30:46,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2714 conditions, 2187 events. 442/2187 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 18748 event pairs, 162 based on Foata normal form. 2/1879 useless extension candidates. Maximal degree in co-relation 2452. Up to 461 conditions per place. [2025-02-08 05:30:46,197 INFO L140 encePairwiseOnDemand]: 254/270 looper letters, 26 selfloop transitions, 7 changer transitions 6/221 dead transitions. [2025-02-08 05:30:46,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 221 transitions, 530 flow [2025-02-08 05:30:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:30:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:30:46,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 680 transitions. [2025-02-08 05:30:46,200 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8395061728395061 [2025-02-08 05:30:46,200 INFO L175 Difference]: Start difference. First operand has 209 places, 216 transitions, 446 flow. Second operand 3 states and 680 transitions. [2025-02-08 05:30:46,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 221 transitions, 530 flow [2025-02-08 05:30:46,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 221 transitions, 530 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:30:46,205 INFO L231 Difference]: Finished difference. Result has 204 places, 209 transitions, 464 flow [2025-02-08 05:30:46,206 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=204, PETRI_TRANSITIONS=209} [2025-02-08 05:30:46,206 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -25 predicate places. [2025-02-08 05:30:46,207 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 209 transitions, 464 flow [2025-02-08 05:30:46,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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) [2025-02-08 05:30:46,207 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:46,207 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:30:46,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:30:46,208 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:46,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:46,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1072016526, now seen corresponding path program 1 times [2025-02-08 05:30:46,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:46,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646369405] [2025-02-08 05:30:46,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:30:46,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:46,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 05:30:46,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 05:30:46,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:30:46,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:46,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:46,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646369405] [2025-02-08 05:30:46,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646369405] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:46,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:46,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:30:46,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818570943] [2025-02-08 05:30:46,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:46,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:30:46,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:46,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:30:46,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:30:46,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 270 [2025-02-08 05:30:46,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 209 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 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) [2025-02-08 05:30:46,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:46,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 270 [2025-02-08 05:30:46,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:46,540 INFO L124 PetriNetUnfolderBase]: 212/1585 cut-off events. [2025-02-08 05:30:46,541 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-08 05:30:46,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1920 conditions, 1585 events. 212/1585 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 11709 event pairs, 21 based on Foata normal form. 0/1399 useless extension candidates. Maximal degree in co-relation 1726. Up to 135 conditions per place. [2025-02-08 05:30:46,557 INFO L140 encePairwiseOnDemand]: 264/270 looper letters, 18 selfloop transitions, 4 changer transitions 0/217 dead transitions. [2025-02-08 05:30:46,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 217 transitions, 526 flow [2025-02-08 05:30:46,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:30:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:30:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2025-02-08 05:30:46,560 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8777777777777778 [2025-02-08 05:30:46,560 INFO L175 Difference]: Start difference. First operand has 204 places, 209 transitions, 464 flow. Second operand 3 states and 711 transitions. [2025-02-08 05:30:46,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 217 transitions, 526 flow [2025-02-08 05:30:46,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 217 transitions, 526 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:30:46,567 INFO L231 Difference]: Finished difference. Result has 202 places, 211 transitions, 492 flow [2025-02-08 05:30:46,567 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=202, PETRI_TRANSITIONS=211} [2025-02-08 05:30:46,570 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -27 predicate places. [2025-02-08 05:30:46,571 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 211 transitions, 492 flow [2025-02-08 05:30:46,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 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) [2025-02-08 05:30:46,572 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:46,572 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:30:46,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:30:46,572 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting counter_threadErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:46,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:46,573 INFO L85 PathProgramCache]: Analyzing trace with hash -927781364, now seen corresponding path program 1 times [2025-02-08 05:30:46,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:46,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648274449] [2025-02-08 05:30:46,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:30:46,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:46,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 05:30:46,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 05:30:46,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:30:46,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:46,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:46,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648274449] [2025-02-08 05:30:46,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648274449] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:46,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:46,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:30:46,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483534949] [2025-02-08 05:30:46,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:46,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:30:46,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:46,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:30:46,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:30:46,685 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 270 [2025-02-08 05:30:46,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 211 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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) [2025-02-08 05:30:46,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:46,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 270 [2025-02-08 05:30:46,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:46,935 INFO L124 PetriNetUnfolderBase]: 348/2479 cut-off events. [2025-02-08 05:30:46,935 INFO L125 PetriNetUnfolderBase]: For 114/117 co-relation queries the response was YES. [2025-02-08 05:30:46,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3093 conditions, 2479 events. 348/2479 cut-off events. For 114/117 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 20684 event pairs, 42 based on Foata normal form. 2/2184 useless extension candidates. Maximal degree in co-relation 2894. Up to 226 conditions per place. [2025-02-08 05:30:46,954 INFO L140 encePairwiseOnDemand]: 265/270 looper letters, 20 selfloop transitions, 6 changer transitions 0/222 dead transitions. [2025-02-08 05:30:46,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 222 transitions, 580 flow [2025-02-08 05:30:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:30:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:30:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2025-02-08 05:30:46,956 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8802469135802469 [2025-02-08 05:30:46,956 INFO L175 Difference]: Start difference. First operand has 202 places, 211 transitions, 492 flow. Second operand 3 states and 713 transitions. [2025-02-08 05:30:46,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 222 transitions, 580 flow [2025-02-08 05:30:46,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 222 transitions, 568 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:30:46,963 INFO L231 Difference]: Finished difference. Result has 204 places, 216 transitions, 538 flow [2025-02-08 05:30:46,964 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=538, PETRI_PLACES=204, PETRI_TRANSITIONS=216} [2025-02-08 05:30:46,964 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -25 predicate places. [2025-02-08 05:30:46,964 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 216 transitions, 538 flow [2025-02-08 05:30:46,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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) [2025-02-08 05:30:46,966 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:46,967 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:30:46,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:30:46,967 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting monitor_threadErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:46,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:46,967 INFO L85 PathProgramCache]: Analyzing trace with hash 627175999, now seen corresponding path program 1 times [2025-02-08 05:30:46,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:46,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886919683] [2025-02-08 05:30:46,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:30:46,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:46,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 05:30:46,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 05:30:46,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:30:46,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:47,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:47,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886919683] [2025-02-08 05:30:47,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886919683] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:47,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:47,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:30:47,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853837766] [2025-02-08 05:30:47,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:47,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 05:30:47,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:47,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 05:30:47,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:30:47,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 270 [2025-02-08 05:30:47,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 216 transitions, 538 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 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) [2025-02-08 05:30:47,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:47,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 270 [2025-02-08 05:30:47,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:47,788 INFO L124 PetriNetUnfolderBase]: 776/4904 cut-off events. [2025-02-08 05:30:47,789 INFO L125 PetriNetUnfolderBase]: For 291/304 co-relation queries the response was YES. [2025-02-08 05:30:47,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6408 conditions, 4904 events. 776/4904 cut-off events. For 291/304 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 48372 event pairs, 74 based on Foata normal form. 4/4358 useless extension candidates. Maximal degree in co-relation 6159. Up to 397 conditions per place. [2025-02-08 05:30:47,824 INFO L140 encePairwiseOnDemand]: 260/270 looper letters, 31 selfloop transitions, 23 changer transitions 0/253 dead transitions. [2025-02-08 05:30:47,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 253 transitions, 724 flow [2025-02-08 05:30:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 05:30:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-08 05:30:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2090 transitions. [2025-02-08 05:30:47,828 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8600823045267489 [2025-02-08 05:30:47,828 INFO L175 Difference]: Start difference. First operand has 204 places, 216 transitions, 538 flow. Second operand 9 states and 2090 transitions. [2025-02-08 05:30:47,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 253 transitions, 724 flow [2025-02-08 05:30:47,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 253 transitions, 712 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:30:47,832 INFO L231 Difference]: Finished difference. Result has 218 places, 238 transitions, 696 flow [2025-02-08 05:30:47,833 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=696, PETRI_PLACES=218, PETRI_TRANSITIONS=238} [2025-02-08 05:30:47,833 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -11 predicate places. [2025-02-08 05:30:47,833 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 238 transitions, 696 flow [2025-02-08 05:30:47,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 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) [2025-02-08 05:30:47,834 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:47,834 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:30:47,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 05:30:47,834 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:47,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:47,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1482640941, now seen corresponding path program 2 times [2025-02-08 05:30:47,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:47,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281945236] [2025-02-08 05:30:47,835 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:30:47,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:47,853 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 79 statements into 1 equivalence classes. [2025-02-08 05:30:47,860 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 05:30:47,864 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:30:47,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:48,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:48,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281945236] [2025-02-08 05:30:48,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281945236] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:48,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:48,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:30:48,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357167702] [2025-02-08 05:30:48,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:48,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 05:30:48,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:48,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 05:30:48,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:30:48,037 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 270 [2025-02-08 05:30:48,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 238 transitions, 696 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 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) [2025-02-08 05:30:48,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:48,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 270 [2025-02-08 05:30:48,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:48,708 INFO L124 PetriNetUnfolderBase]: 1040/6922 cut-off events. [2025-02-08 05:30:48,708 INFO L125 PetriNetUnfolderBase]: For 1693/1884 co-relation queries the response was YES. [2025-02-08 05:30:48,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10056 conditions, 6922 events. 1040/6922 cut-off events. For 1693/1884 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 75894 event pairs, 69 based on Foata normal form. 38/6234 useless extension candidates. Maximal degree in co-relation 9761. Up to 560 conditions per place. [2025-02-08 05:30:48,754 INFO L140 encePairwiseOnDemand]: 260/270 looper letters, 39 selfloop transitions, 33 changer transitions 0/271 dead transitions. [2025-02-08 05:30:48,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 271 transitions, 1007 flow [2025-02-08 05:30:48,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:30:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:30:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1404 transitions. [2025-02-08 05:30:48,758 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-02-08 05:30:48,758 INFO L175 Difference]: Start difference. First operand has 218 places, 238 transitions, 696 flow. Second operand 6 states and 1404 transitions. [2025-02-08 05:30:48,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 271 transitions, 1007 flow [2025-02-08 05:30:48,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 271 transitions, 1007 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:30:48,766 INFO L231 Difference]: Finished difference. Result has 228 places, 259 transitions, 966 flow [2025-02-08 05:30:48,766 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=966, PETRI_PLACES=228, PETRI_TRANSITIONS=259} [2025-02-08 05:30:48,767 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -1 predicate places. [2025-02-08 05:30:48,767 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 259 transitions, 966 flow [2025-02-08 05:30:48,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 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) [2025-02-08 05:30:48,768 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:48,768 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:30:48,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 05:30:48,768 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting monitor_threadErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:48,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:48,769 INFO L85 PathProgramCache]: Analyzing trace with hash 370960785, now seen corresponding path program 3 times [2025-02-08 05:30:48,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:48,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683367338] [2025-02-08 05:30:48,769 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:30:48,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:48,786 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 79 statements into 1 equivalence classes. [2025-02-08 05:30:48,790 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 05:30:48,790 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 05:30:48,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:48,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:48,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683367338] [2025-02-08 05:30:48,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683367338] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:48,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:48,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:30:48,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544911167] [2025-02-08 05:30:48,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:48,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 05:30:48,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:48,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 05:30:48,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:30:48,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 270 [2025-02-08 05:30:48,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 259 transitions, 966 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 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) [2025-02-08 05:30:48,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:48,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 270 [2025-02-08 05:30:48,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:49,763 INFO L124 PetriNetUnfolderBase]: 1247/8179 cut-off events. [2025-02-08 05:30:49,763 INFO L125 PetriNetUnfolderBase]: For 5386/5815 co-relation queries the response was YES. [2025-02-08 05:30:49,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13094 conditions, 8179 events. 1247/8179 cut-off events. For 5386/5815 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 91938 event pairs, 77 based on Foata normal form. 156/7472 useless extension candidates. Maximal degree in co-relation 12764. Up to 660 conditions per place. [2025-02-08 05:30:49,894 INFO L140 encePairwiseOnDemand]: 257/270 looper letters, 40 selfloop transitions, 68 changer transitions 0/307 dead transitions. [2025-02-08 05:30:49,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 307 transitions, 1534 flow [2025-02-08 05:30:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 05:30:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 05:30:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1645 transitions. [2025-02-08 05:30:49,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703 [2025-02-08 05:30:49,899 INFO L175 Difference]: Start difference. First operand has 228 places, 259 transitions, 966 flow. Second operand 7 states and 1645 transitions. [2025-02-08 05:30:49,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 307 transitions, 1534 flow [2025-02-08 05:30:49,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 307 transitions, 1518 flow, removed 8 selfloop flow, removed 0 redundant places. [2025-02-08 05:30:49,913 INFO L231 Difference]: Finished difference. Result has 240 places, 294 transitions, 1553 flow [2025-02-08 05:30:49,913 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1553, PETRI_PLACES=240, PETRI_TRANSITIONS=294} [2025-02-08 05:30:49,916 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, 11 predicate places. [2025-02-08 05:30:49,916 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 294 transitions, 1553 flow [2025-02-08 05:30:49,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 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) [2025-02-08 05:30:49,916 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:30:49,916 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:30:49,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 05:30:49,917 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr3ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-08 05:30:49,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:30:49,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1297473643, now seen corresponding path program 4 times [2025-02-08 05:30:49,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:30:49,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544242531] [2025-02-08 05:30:49,917 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 05:30:49,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:30:49,940 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 79 statements into 2 equivalence classes. [2025-02-08 05:30:49,943 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 69 of 79 statements. [2025-02-08 05:30:49,943 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-08 05:30:49,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:30:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:30:50,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:30:50,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544242531] [2025-02-08 05:30:50,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544242531] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:30:50,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:30:50,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:30:50,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800574919] [2025-02-08 05:30:50,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:30:50,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 05:30:50,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:30:50,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 05:30:50,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:30:50,073 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 270 [2025-02-08 05:30:50,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 294 transitions, 1553 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 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) [2025-02-08 05:30:50,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:30:50,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 270 [2025-02-08 05:30:50,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:30:50,663 INFO L124 PetriNetUnfolderBase]: 763/5284 cut-off events. [2025-02-08 05:30:50,664 INFO L125 PetriNetUnfolderBase]: For 6845/7404 co-relation queries the response was YES. [2025-02-08 05:30:50,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9008 conditions, 5284 events. 763/5284 cut-off events. For 6845/7404 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 56393 event pairs, 52 based on Foata normal form. 132/4863 useless extension candidates. Maximal degree in co-relation 8651. Up to 424 conditions per place. [2025-02-08 05:30:50,692 INFO L140 encePairwiseOnDemand]: 260/270 looper letters, 0 selfloop transitions, 0 changer transitions 296/296 dead transitions. [2025-02-08 05:30:50,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 296 transitions, 1800 flow [2025-02-08 05:30:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 05:30:50,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 05:30:50,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1638 transitions. [2025-02-08 05:30:50,695 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-02-08 05:30:50,695 INFO L175 Difference]: Start difference. First operand has 240 places, 294 transitions, 1553 flow. Second operand 7 states and 1638 transitions. [2025-02-08 05:30:50,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 296 transitions, 1800 flow [2025-02-08 05:30:50,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 296 transitions, 1660 flow, removed 25 selfloop flow, removed 3 redundant places. [2025-02-08 05:30:50,711 INFO L231 Difference]: Finished difference. Result has 241 places, 0 transitions, 0 flow [2025-02-08 05:30:50,711 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=1285, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=241, PETRI_TRANSITIONS=0} [2025-02-08 05:30:50,712 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, 12 predicate places. [2025-02-08 05:30:50,713 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 0 transitions, 0 flow [2025-02-08 05:30:50,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 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) [2025-02-08 05:30:50,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2025-02-08 05:30:50,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2025-02-08 05:30:50,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2025-02-08 05:30:50,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2025-02-08 05:30:50,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2025-02-08 05:30:50,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2025-02-08 05:30:50,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2025-02-08 05:30:50,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2025-02-08 05:30:50,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2025-02-08 05:30:50,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2025-02-08 05:30:50,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 05:30:50,717 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2025-02-08 05:30:50,723 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:30:50,724 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:30:50,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:30:50 BasicIcfg [2025-02-08 05:30:50,728 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:30:50,729 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:30:50,729 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:30:50,729 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:30:50,729 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:30:44" (3/4) ... [2025-02-08 05:30:50,730 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:30:50,732 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure monitor_thread [2025-02-08 05:30:50,732 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure counter_thread [2025-02-08 05:30:50,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-08 05:30:50,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 05:30:50,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:30:50,796 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:30:50,796 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:30:50,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:30:50,796 INFO L158 Benchmark]: Toolchain (without parser) took 7251.35ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 109.7MB in the beginning and 254.7MB in the end (delta: -145.0MB). Peak memory consumption was 234.9MB. Max. memory is 16.1GB. [2025-02-08 05:30:50,797 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:30:50,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.16ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 48.8MB in the end (delta: 60.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-08 05:30:50,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.90ms. Allocated memory is still 142.6MB. Free memory was 48.3MB in the beginning and 45.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:30:50,797 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 142.6MB. Free memory was 45.4MB in the beginning and 43.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:30:50,797 INFO L158 Benchmark]: IcfgBuilder took 552.18ms. Allocated memory is still 142.6MB. Free memory was 43.4MB in the beginning and 82.2MB in the end (delta: -38.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2025-02-08 05:30:50,797 INFO L158 Benchmark]: TraceAbstraction took 5925.48ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 81.4MB in the beginning and 259.0MB in the end (delta: -177.5MB). Peak memory consumption was 396.8MB. Max. memory is 16.1GB. [2025-02-08 05:30:50,798 INFO L158 Benchmark]: Witness Printer took 67.15ms. Allocated memory is still 520.1MB. Free memory was 259.0MB in the beginning and 254.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:30:50,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.16ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 48.8MB in the end (delta: 60.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.90ms. Allocated memory is still 142.6MB. Free memory was 48.3MB in the beginning and 45.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 142.6MB. Free memory was 45.4MB in the beginning and 43.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 552.18ms. Allocated memory is still 142.6MB. Free memory was 43.4MB in the beginning and 82.2MB in the end (delta: -38.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5925.48ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 81.4MB in the beginning and 259.0MB in the end (delta: -177.5MB). Peak memory consumption was 396.8MB. Max. memory is 16.1GB. * Witness Printer took 67.15ms. Allocated memory is still 520.1MB. Free memory was 259.0MB in the beginning and 254.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1819]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1828]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1811]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1843]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1849]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1855]: 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, 357 locations, 25 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: 5.8s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 348 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 575 IncrementalHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 64 mSDtfsCounter, 575 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1553occurred in iteration=8, InterpolantAutomatonStates: 44, 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, 1.0s InterpolantComputationTime, 524 NumberOfCodeBlocks, 514 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 515 ConstructedInterpolants, 0 QuantifiedInterpolants, 949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:30:50,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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