./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc 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/weaver/popl20-queue-add-2.wvr.c -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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:32:15,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:32:15,645 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:32:15,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:32:15,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:32:15,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:32:15,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:32:15,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:32:15,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:32:15,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:32:15,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:32:15,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:32:15,686 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:32:15,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:32:15,687 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:32:15,688 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:32:15,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:32:15,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:32:15,688 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 -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2025-02-06 09:32:15,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:32:15,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:32:15,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:32:15,972 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:32:15,972 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:32:15,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2025-02-06 09:32:17,395 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73864839a/45e3840ecc9c4eaaa54eac4f1a0ddecc/FLAGdc6329872 [2025-02-06 09:32:17,680 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:32:17,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2025-02-06 09:32:17,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73864839a/45e3840ecc9c4eaaa54eac4f1a0ddecc/FLAGdc6329872 [2025-02-06 09:32:17,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73864839a/45e3840ecc9c4eaaa54eac4f1a0ddecc [2025-02-06 09:32:17,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:32:17,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:32:17,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:32:17,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:32:17,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:32:17,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:32:17" (1/1) ... [2025-02-06 09:32:17,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3b64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:17, skipping insertion in model container [2025-02-06 09:32:17,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:32:17" (1/1) ... [2025-02-06 09:32:18,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:32:18,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:32:18,198 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:32:18,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:32:18,244 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:32:18,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18 WrapperNode [2025-02-06 09:32:18,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:32:18,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:32:18,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:32:18,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:32:18,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,288 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 272 [2025-02-06 09:32:18,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:32:18,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:32:18,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:32:18,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:32:18,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:32:18,333 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:32:18,333 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:32:18,333 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:32:18,334 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (1/1) ... [2025-02-06 09:32:18,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:32:18,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:32:18,369 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) [2025-02-06 09:32:18,375 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 [2025-02-06 09:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:32:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:32:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:32:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 09:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 09:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:32:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:32:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:32:18,402 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:32:18,520 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:32:18,523 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:32:19,087 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:32:19,090 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:32:19,348 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:32:19,348 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:32:19,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:19 BoogieIcfgContainer [2025-02-06 09:32:19,349 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:32:19,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:32:19,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:32:19,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:32:19,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:32:17" (1/3) ... [2025-02-06 09:32:19,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700c737f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:32:19, skipping insertion in model container [2025-02-06 09:32:19,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:18" (2/3) ... [2025-02-06 09:32:19,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700c737f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:32:19, skipping insertion in model container [2025-02-06 09:32:19,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:19" (3/3) ... [2025-02-06 09:32:19,359 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2025-02-06 09:32:19,373 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:32:19,375 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-queue-add-2.wvr.c that has 3 procedures, 209 locations, 1 initial locations, 3 loop locations, and 40 error locations. [2025-02-06 09:32:19,375 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:32:19,498 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:32:19,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 217 transitions, 448 flow [2025-02-06 09:32:19,641 INFO L124 PetriNetUnfolderBase]: 9/215 cut-off events. [2025-02-06 09:32:19,645 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:32:19,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 215 events. 9/215 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 317 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2025-02-06 09:32:19,653 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 217 transitions, 448 flow [2025-02-06 09:32:19,661 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 198 transitions, 408 flow [2025-02-06 09:32:19,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:32:19,690 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;@37c5c795, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:32:19,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2025-02-06 09:32:19,696 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:32:19,697 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-02-06 09:32:19,697 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:32:19,697 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:19,701 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:19,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:19,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:19,707 INFO L85 PathProgramCache]: Analyzing trace with hash -280911051, now seen corresponding path program 1 times [2025-02-06 09:32:19,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:19,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16341151] [2025-02-06 09:32:19,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:19,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 09:32:19,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 09:32:19,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:19,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:19,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:19,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16341151] [2025-02-06 09:32:19,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16341151] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:19,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:19,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:19,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87250865] [2025-02-06 09:32:19,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:19,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:19,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:19,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:19,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:19,981 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 217 [2025-02-06 09:32:19,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 198 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2025-02-06 09:32:19,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:19,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 217 [2025-02-06 09:32:19,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:20,094 INFO L124 PetriNetUnfolderBase]: 12/202 cut-off events. [2025-02-06 09:32:20,094 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-02-06 09:32:20,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 202 events. 12/202 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 310 event pairs, 7 based on Foata normal form. 8/186 useless extension candidates. Maximal degree in co-relation 151. Up to 30 conditions per place. [2025-02-06 09:32:20,097 INFO L140 encePairwiseOnDemand]: 183/217 looper letters, 13 selfloop transitions, 2 changer transitions 3/166 dead transitions. [2025-02-06 09:32:20,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 166 transitions, 374 flow [2025-02-06 09:32:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2025-02-06 09:32:20,114 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8417818740399385 [2025-02-06 09:32:20,117 INFO L175 Difference]: Start difference. First operand has 197 places, 198 transitions, 408 flow. Second operand 3 states and 548 transitions. [2025-02-06 09:32:20,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 166 transitions, 374 flow [2025-02-06 09:32:20,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 366 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:32:20,130 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 334 flow [2025-02-06 09:32:20,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2025-02-06 09:32:20,138 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -29 predicate places. [2025-02-06 09:32:20,139 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 334 flow [2025-02-06 09:32:20,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2025-02-06 09:32:20,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:20,140 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:20,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:32:20,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:20,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:20,141 INFO L85 PathProgramCache]: Analyzing trace with hash 556706674, now seen corresponding path program 1 times [2025-02-06 09:32:20,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:20,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135513732] [2025-02-06 09:32:20,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:20,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:20,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 09:32:20,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 09:32:20,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:20,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:20,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:20,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:20,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135513732] [2025-02-06 09:32:20,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135513732] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:20,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:20,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:20,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211486006] [2025-02-06 09:32:20,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:20,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:20,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:20,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:20,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:20,210 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 217 [2025-02-06 09:32:20,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:20,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 217 [2025-02-06 09:32:20,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:20,287 INFO L124 PetriNetUnfolderBase]: 13/212 cut-off events. [2025-02-06 09:32:20,288 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-02-06 09:32:20,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 212 events. 13/212 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 329 event pairs, 5 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 218. Up to 26 conditions per place. [2025-02-06 09:32:20,290 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 11 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2025-02-06 09:32:20,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 162 transitions, 358 flow [2025-02-06 09:32:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2025-02-06 09:32:20,294 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8003072196620584 [2025-02-06 09:32:20,294 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 334 flow. Second operand 3 states and 521 transitions. [2025-02-06 09:32:20,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 162 transitions, 358 flow [2025-02-06 09:32:20,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 162 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:20,301 INFO L231 Difference]: Finished difference. Result has 164 places, 162 transitions, 332 flow [2025-02-06 09:32:20,302 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=164, PETRI_TRANSITIONS=162} [2025-02-06 09:32:20,303 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -33 predicate places. [2025-02-06 09:32:20,303 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 162 transitions, 332 flow [2025-02-06 09:32:20,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,303 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:20,303 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:20,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:32:20,304 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:20,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:20,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1039228240, now seen corresponding path program 1 times [2025-02-06 09:32:20,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:20,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910718885] [2025-02-06 09:32:20,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:20,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:20,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 09:32:20,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 09:32:20,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:20,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:20,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:20,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:20,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910718885] [2025-02-06 09:32:20,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910718885] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:20,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:20,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:20,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372963167] [2025-02-06 09:32:20,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:20,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:20,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:20,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:20,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:20,390 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 217 [2025-02-06 09:32:20,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 162 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:20,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 217 [2025-02-06 09:32:20,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:20,445 INFO L124 PetriNetUnfolderBase]: 13/211 cut-off events. [2025-02-06 09:32:20,445 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-02-06 09:32:20,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 211 events. 13/211 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 326 event pairs, 5 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 209. Up to 26 conditions per place. [2025-02-06 09:32:20,449 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 11 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2025-02-06 09:32:20,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 356 flow [2025-02-06 09:32:20,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2025-02-06 09:32:20,451 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8003072196620584 [2025-02-06 09:32:20,451 INFO L175 Difference]: Start difference. First operand has 164 places, 162 transitions, 332 flow. Second operand 3 states and 521 transitions. [2025-02-06 09:32:20,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 356 flow [2025-02-06 09:32:20,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 161 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:20,456 INFO L231 Difference]: Finished difference. Result has 163 places, 161 transitions, 330 flow [2025-02-06 09:32:20,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=161} [2025-02-06 09:32:20,458 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -34 predicate places. [2025-02-06 09:32:20,458 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 161 transitions, 330 flow [2025-02-06 09:32:20,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,458 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:20,458 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:20,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:32:20,459 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:20,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:20,460 INFO L85 PathProgramCache]: Analyzing trace with hash 26006822, now seen corresponding path program 1 times [2025-02-06 09:32:20,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:20,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750125586] [2025-02-06 09:32:20,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:20,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:20,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 09:32:20,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 09:32:20,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:20,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:20,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:20,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750125586] [2025-02-06 09:32:20,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750125586] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:20,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:20,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:20,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381133988] [2025-02-06 09:32:20,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:20,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:20,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:20,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:20,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:20,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2025-02-06 09:32:20,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:20,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2025-02-06 09:32:20,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:20,628 INFO L124 PetriNetUnfolderBase]: 15/235 cut-off events. [2025-02-06 09:32:20,629 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:32:20,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 235 events. 15/235 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 404 event pairs, 2 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 226. Up to 16 conditions per place. [2025-02-06 09:32:20,630 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 12 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2025-02-06 09:32:20,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 164 transitions, 365 flow [2025-02-06 09:32:20,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 534 transitions. [2025-02-06 09:32:20,634 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8202764976958525 [2025-02-06 09:32:20,634 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 330 flow. Second operand 3 states and 534 transitions. [2025-02-06 09:32:20,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 164 transitions, 365 flow [2025-02-06 09:32:20,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 164 transitions, 361 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:20,640 INFO L231 Difference]: Finished difference. Result has 163 places, 161 transitions, 334 flow [2025-02-06 09:32:20,641 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=163, PETRI_TRANSITIONS=161} [2025-02-06 09:32:20,642 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -34 predicate places. [2025-02-06 09:32:20,642 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 161 transitions, 334 flow [2025-02-06 09:32:20,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,642 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:20,642 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:20,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:32:20,643 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:20,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:20,643 INFO L85 PathProgramCache]: Analyzing trace with hash 409414363, now seen corresponding path program 1 times [2025-02-06 09:32:20,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:20,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845826518] [2025-02-06 09:32:20,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:20,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:20,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 09:32:20,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 09:32:20,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:20,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:20,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:20,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845826518] [2025-02-06 09:32:20,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845826518] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:20,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:20,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:20,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388325471] [2025-02-06 09:32:20,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:20,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:20,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:20,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:20,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:20,707 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 217 [2025-02-06 09:32:20,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:20,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 217 [2025-02-06 09:32:20,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:20,761 INFO L124 PetriNetUnfolderBase]: 15/215 cut-off events. [2025-02-06 09:32:20,761 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2025-02-06 09:32:20,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 215 events. 15/215 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 341 event pairs, 5 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 137. Up to 29 conditions per place. [2025-02-06 09:32:20,763 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 11 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2025-02-06 09:32:20,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 358 flow [2025-02-06 09:32:20,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:20,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2025-02-06 09:32:20,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8033794162826421 [2025-02-06 09:32:20,767 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 334 flow. Second operand 3 states and 523 transitions. [2025-02-06 09:32:20,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 358 flow [2025-02-06 09:32:20,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 356 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:32:20,771 INFO L231 Difference]: Finished difference. Result has 163 places, 160 transitions, 334 flow [2025-02-06 09:32:20,771 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=163, PETRI_TRANSITIONS=160} [2025-02-06 09:32:20,772 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -34 predicate places. [2025-02-06 09:32:20,772 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 160 transitions, 334 flow [2025-02-06 09:32:20,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,773 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:20,773 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] [2025-02-06 09:32:20,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:32:20,773 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:20,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:20,774 INFO L85 PathProgramCache]: Analyzing trace with hash -843241908, now seen corresponding path program 1 times [2025-02-06 09:32:20,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:20,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586633598] [2025-02-06 09:32:20,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:20,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:20,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 09:32:20,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 09:32:20,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:20,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:20,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:20,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586633598] [2025-02-06 09:32:20,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586633598] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:20,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:20,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:20,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793045117] [2025-02-06 09:32:20,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:20,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:20,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:20,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:20,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:20,854 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2025-02-06 09:32:20,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 160 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:20,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2025-02-06 09:32:20,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:20,901 INFO L124 PetriNetUnfolderBase]: 15/214 cut-off events. [2025-02-06 09:32:20,902 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-02-06 09:32:20,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 214 events. 15/214 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 342 event pairs, 5 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 206. Up to 27 conditions per place. [2025-02-06 09:32:20,903 INFO L140 encePairwiseOnDemand]: 215/217 looper letters, 10 selfloop transitions, 1 changer transitions 0/159 dead transitions. [2025-02-06 09:32:20,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 159 transitions, 354 flow [2025-02-06 09:32:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:20,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 530 transitions. [2025-02-06 09:32:20,905 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8141321044546851 [2025-02-06 09:32:20,905 INFO L175 Difference]: Start difference. First operand has 163 places, 160 transitions, 334 flow. Second operand 3 states and 530 transitions. [2025-02-06 09:32:20,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 159 transitions, 354 flow [2025-02-06 09:32:20,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:20,908 INFO L231 Difference]: Finished difference. Result has 162 places, 159 transitions, 330 flow [2025-02-06 09:32:20,909 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=162, PETRI_TRANSITIONS=159} [2025-02-06 09:32:20,909 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -35 predicate places. [2025-02-06 09:32:20,909 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 159 transitions, 330 flow [2025-02-06 09:32:20,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:20,910 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:20,910 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] [2025-02-06 09:32:20,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:32:20,910 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:20,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:20,911 INFO L85 PathProgramCache]: Analyzing trace with hash 120851668, now seen corresponding path program 1 times [2025-02-06 09:32:20,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:20,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63847526] [2025-02-06 09:32:20,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:20,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:20,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 09:32:20,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 09:32:20,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:20,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:20,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:20,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63847526] [2025-02-06 09:32:20,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63847526] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:20,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:20,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:20,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841652842] [2025-02-06 09:32:20,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:20,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:20,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:20,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:20,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:21,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 217 [2025-02-06 09:32:21,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 159 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:21,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:21,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 217 [2025-02-06 09:32:21,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:21,062 INFO L124 PetriNetUnfolderBase]: 15/213 cut-off events. [2025-02-06 09:32:21,062 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-02-06 09:32:21,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 213 events. 15/213 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 337 event pairs, 5 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 206. Up to 29 conditions per place. [2025-02-06 09:32:21,064 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 11 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2025-02-06 09:32:21,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 158 transitions, 354 flow [2025-02-06 09:32:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:21,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2025-02-06 09:32:21,066 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8033794162826421 [2025-02-06 09:32:21,066 INFO L175 Difference]: Start difference. First operand has 162 places, 159 transitions, 330 flow. Second operand 3 states and 523 transitions. [2025-02-06 09:32:21,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 158 transitions, 354 flow [2025-02-06 09:32:21,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 353 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:32:21,070 INFO L231 Difference]: Finished difference. Result has 162 places, 158 transitions, 331 flow [2025-02-06 09:32:21,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=331, PETRI_PLACES=162, PETRI_TRANSITIONS=158} [2025-02-06 09:32:21,071 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -35 predicate places. [2025-02-06 09:32:21,072 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 158 transitions, 331 flow [2025-02-06 09:32:21,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:21,073 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:21,073 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] [2025-02-06 09:32:21,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:32:21,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:21,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1612544732, now seen corresponding path program 1 times [2025-02-06 09:32:21,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:21,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417929127] [2025-02-06 09:32:21,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:21,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:21,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 09:32:21,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 09:32:21,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:21,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:21,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:21,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:21,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417929127] [2025-02-06 09:32:21,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417929127] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:21,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:21,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:32:21,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486123563] [2025-02-06 09:32:21,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:21,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:32:21,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:21,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:32:21,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:32:21,817 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 217 [2025-02-06 09:32:21,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 158 transitions, 331 flow. Second operand has 6 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:21,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:21,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 217 [2025-02-06 09:32:21,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:21,891 INFO L124 PetriNetUnfolderBase]: 15/212 cut-off events. [2025-02-06 09:32:21,891 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-02-06 09:32:21,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 212 events. 15/212 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 333 event pairs, 5 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 216. Up to 34 conditions per place. [2025-02-06 09:32:21,892 INFO L140 encePairwiseOnDemand]: 211/217 looper letters, 16 selfloop transitions, 5 changer transitions 0/157 dead transitions. [2025-02-06 09:32:21,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 157 transitions, 371 flow [2025-02-06 09:32:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:32:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:32:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 999 transitions. [2025-02-06 09:32:21,896 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7672811059907834 [2025-02-06 09:32:21,897 INFO L175 Difference]: Start difference. First operand has 162 places, 158 transitions, 331 flow. Second operand 6 states and 999 transitions. [2025-02-06 09:32:21,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 157 transitions, 371 flow [2025-02-06 09:32:21,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 157 transitions, 367 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:21,901 INFO L231 Difference]: Finished difference. Result has 164 places, 157 transitions, 335 flow [2025-02-06 09:32:21,902 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=335, PETRI_PLACES=164, PETRI_TRANSITIONS=157} [2025-02-06 09:32:21,904 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -33 predicate places. [2025-02-06 09:32:21,905 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 157 transitions, 335 flow [2025-02-06 09:32:21,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:21,906 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:21,906 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:21,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:32:21,906 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:21,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:21,907 INFO L85 PathProgramCache]: Analyzing trace with hash 49341418, now seen corresponding path program 1 times [2025-02-06 09:32:21,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:21,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716509868] [2025-02-06 09:32:21,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:21,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:21,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 09:32:21,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 09:32:21,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:21,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:21,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:21,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716509868] [2025-02-06 09:32:21,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716509868] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:21,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:21,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:21,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650113844] [2025-02-06 09:32:21,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:21,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:21,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:21,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:21,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:21,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 217 [2025-02-06 09:32:21,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 157 transitions, 335 flow. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2025-02-06 09:32:21,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:21,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 217 [2025-02-06 09:32:21,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:22,035 INFO L124 PetriNetUnfolderBase]: 19/196 cut-off events. [2025-02-06 09:32:22,035 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-02-06 09:32:22,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 196 events. 19/196 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 302 event pairs, 9 based on Foata normal form. 1/182 useless extension candidates. Maximal degree in co-relation 245. Up to 38 conditions per place. [2025-02-06 09:32:22,037 INFO L140 encePairwiseOnDemand]: 213/217 looper letters, 12 selfloop transitions, 1 changer transitions 2/154 dead transitions. [2025-02-06 09:32:22,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 154 transitions, 357 flow [2025-02-06 09:32:22,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2025-02-06 09:32:22,039 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.794162826420891 [2025-02-06 09:32:22,039 INFO L175 Difference]: Start difference. First operand has 164 places, 157 transitions, 335 flow. Second operand 3 states and 517 transitions. [2025-02-06 09:32:22,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 154 transitions, 357 flow [2025-02-06 09:32:22,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 154 transitions, 347 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:32:22,042 INFO L231 Difference]: Finished difference. Result has 158 places, 152 transitions, 317 flow [2025-02-06 09:32:22,042 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=158, PETRI_TRANSITIONS=152} [2025-02-06 09:32:22,043 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -39 predicate places. [2025-02-06 09:32:22,043 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 152 transitions, 317 flow [2025-02-06 09:32:22,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2025-02-06 09:32:22,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:22,043 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:22,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 09:32:22,043 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:22,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:22,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1519277491, now seen corresponding path program 1 times [2025-02-06 09:32:22,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:22,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578608379] [2025-02-06 09:32:22,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:22,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:22,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 09:32:22,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 09:32:22,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:22,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:22,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:22,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578608379] [2025-02-06 09:32:22,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578608379] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:22,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:22,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:22,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063471278] [2025-02-06 09:32:22,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:22,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:22,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:22,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:22,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:22,132 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 217 [2025-02-06 09:32:22,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 152 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:22,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:22,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 217 [2025-02-06 09:32:22,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:22,207 INFO L124 PetriNetUnfolderBase]: 30/235 cut-off events. [2025-02-06 09:32:22,207 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2025-02-06 09:32:22,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 235 events. 30/235 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 509 event pairs, 8 based on Foata normal form. 1/221 useless extension candidates. Maximal degree in co-relation 253. Up to 35 conditions per place. [2025-02-06 09:32:22,209 INFO L140 encePairwiseOnDemand]: 212/217 looper letters, 11 selfloop transitions, 2 changer transitions 2/153 dead transitions. [2025-02-06 09:32:22,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 153 transitions, 350 flow [2025-02-06 09:32:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:22,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2025-02-06 09:32:22,211 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8079877112135176 [2025-02-06 09:32:22,212 INFO L175 Difference]: Start difference. First operand has 158 places, 152 transitions, 317 flow. Second operand 3 states and 526 transitions. [2025-02-06 09:32:22,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 153 transitions, 350 flow [2025-02-06 09:32:22,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 153 transitions, 349 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:32:22,215 INFO L231 Difference]: Finished difference. Result has 155 places, 148 transitions, 311 flow [2025-02-06 09:32:22,216 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=155, PETRI_TRANSITIONS=148} [2025-02-06 09:32:22,216 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -42 predicate places. [2025-02-06 09:32:22,216 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 148 transitions, 311 flow [2025-02-06 09:32:22,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:22,217 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:22,217 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:22,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 09:32:22,217 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-02-06 09:32:22,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:22,219 INFO L85 PathProgramCache]: Analyzing trace with hash 480861621, now seen corresponding path program 1 times [2025-02-06 09:32:22,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:22,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137057199] [2025-02-06 09:32:22,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:22,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:22,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-06 09:32:22,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-06 09:32:22,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:22,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:22,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:22,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137057199] [2025-02-06 09:32:22,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137057199] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:22,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:22,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:22,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320586505] [2025-02-06 09:32:22,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:22,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:22,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:22,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:22,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:22,308 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 217 [2025-02-06 09:32:22,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 148 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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) [2025-02-06 09:32:22,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:22,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 217 [2025-02-06 09:32:22,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:22,368 INFO L124 PetriNetUnfolderBase]: 40/240 cut-off events. [2025-02-06 09:32:22,369 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-02-06 09:32:22,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 240 events. 40/240 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 550 event pairs, 14 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 282. Up to 52 conditions per place. [2025-02-06 09:32:22,369 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 0 selfloop transitions, 0 changer transitions 150/150 dead transitions. [2025-02-06 09:32:22,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 150 transitions, 346 flow [2025-02-06 09:32:22,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2025-02-06 09:32:22,373 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8064516129032258 [2025-02-06 09:32:22,373 INFO L175 Difference]: Start difference. First operand has 155 places, 148 transitions, 311 flow. Second operand 3 states and 525 transitions. [2025-02-06 09:32:22,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 150 transitions, 346 flow [2025-02-06 09:32:22,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 150 transitions, 342 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:22,376 INFO L231 Difference]: Finished difference. Result has 152 places, 0 transitions, 0 flow [2025-02-06 09:32:22,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=152, PETRI_TRANSITIONS=0} [2025-02-06 09:32:22,377 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -45 predicate places. [2025-02-06 09:32:22,377 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 0 transitions, 0 flow [2025-02-06 09:32:22,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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) [2025-02-06 09:32:22,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2025-02-06 09:32:22,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2025-02-06 09:32:22,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2025-02-06 09:32:22,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (28 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (27 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2025-02-06 09:32:22,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2025-02-06 09:32:22,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2025-02-06 09:32:22,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 09:32:22,385 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:22,391 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:32:22,391 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:32:22,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:32:22 BasicIcfg [2025-02-06 09:32:22,398 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:32:22,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:32:22,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:32:22,399 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:32:22,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:19" (3/4) ... [2025-02-06 09:32:22,402 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:32:22,404 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:32:22,404 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:32:22,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-02-06 09:32:22,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:32:22,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:32:22,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:32:22,494 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:32:22,494 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:32:22,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:32:22,495 INFO L158 Benchmark]: Toolchain (without parser) took 4507.72ms. Allocated memory was 167.8MB in the beginning and 377.5MB in the end (delta: 209.7MB). Free memory was 123.3MB in the beginning and 214.7MB in the end (delta: -91.4MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. [2025-02-06 09:32:22,495 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:32:22,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.38ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 110.1MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:32:22,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.33ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:32:22,495 INFO L158 Benchmark]: Boogie Preprocessor took 43.26ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 106.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:32:22,495 INFO L158 Benchmark]: IcfgBuilder took 1016.13ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 46.6MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 09:32:22,496 INFO L158 Benchmark]: TraceAbstraction took 3045.84ms. Allocated memory was 167.8MB in the beginning and 377.5MB in the end (delta: 209.7MB). Free memory was 45.7MB in the beginning and 219.9MB in the end (delta: -174.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2025-02-06 09:32:22,496 INFO L158 Benchmark]: Witness Printer took 94.85ms. Allocated memory is still 377.5MB. Free memory was 219.9MB in the beginning and 214.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:32:22,497 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 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.38ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 110.1MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.33ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.26ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 106.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1016.13ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 46.6MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3045.84ms. Allocated memory was 167.8MB in the beginning and 377.5MB in the end (delta: 209.7MB). Free memory was 45.7MB in the beginning and 219.9MB in the end (delta: -174.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Witness Printer took 94.85ms. Allocated memory is still 377.5MB. Free memory was 219.9MB in the beginning and 214.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 269 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 350 IncrementalHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 39 mSDtfsCounter, 350 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 671 ConstructedInterpolants, 0 QuantifiedInterpolants, 806 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:32:22,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE