./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.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-more-nonblocking-counter-alt2.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 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:32:00,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:32:00,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:32:00,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:32:00,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:32:00,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:32:00,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:32:00,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:32:00,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:32:00,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:32:00,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:32:00,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:32:00,244 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:32:00,245 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:32:00,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:32:00,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:32:00,246 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 -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2025-02-06 09:32:00,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:32:00,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:32:00,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:32:00,445 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:32:00,446 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:32:00,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2025-02-06 09:32:01,594 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5d03a304b/b4bb4071cc5d427aafd1e8b4f7c91a2b/FLAG0f88ddc00 [2025-02-06 09:32:01,783 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:32:01,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2025-02-06 09:32:01,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5d03a304b/b4bb4071cc5d427aafd1e8b4f7c91a2b/FLAG0f88ddc00 [2025-02-06 09:32:01,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5d03a304b/b4bb4071cc5d427aafd1e8b4f7c91a2b [2025-02-06 09:32:01,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:32:01,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:32:01,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:32:01,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:32:01,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:32:01,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:32:01" (1/1) ... [2025-02-06 09:32:01,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a317b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:01, skipping insertion in model container [2025-02-06 09:32:01,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:32:01" (1/1) ... [2025-02-06 09:32:01,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:32:02,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:32:02,068 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:32:02,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:32:02,119 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:32:02,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02 WrapperNode [2025-02-06 09:32:02,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:32:02,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:32:02,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:32:02,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:32:02,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,157 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2025-02-06 09:32:02,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:32:02,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:32:02,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:32:02,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:32:02,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:32:02,182 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:32:02,182 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:32:02,182 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:32:02,183 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (1/1) ... [2025-02-06 09:32:02,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:32:02,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:32:02,218 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 09:32:02,221 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 09:32:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:32:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:32:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:32:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:32:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:32:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:32:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 09:32:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 09:32:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:32:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:32:02,240 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 09:32:02,310 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:32:02,312 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:32:02,503 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:32:02,503 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:32:02,572 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:32:02,573 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:32:02,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:02 BoogieIcfgContainer [2025-02-06 09:32:02,573 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:32:02,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:32:02,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:32:02,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:32:02,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:32:01" (1/3) ... [2025-02-06 09:32:02,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a07878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:32:02, skipping insertion in model container [2025-02-06 09:32:02,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:02" (2/3) ... [2025-02-06 09:32:02,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a07878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:32:02, skipping insertion in model container [2025-02-06 09:32:02,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:02" (3/3) ... [2025-02-06 09:32:02,581 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2025-02-06 09:32:02,592 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:32:02,594 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-nonblocking-counter-alt2.wvr.c that has 3 procedures, 103 locations, 1 initial locations, 2 loop locations, and 13 error locations. [2025-02-06 09:32:02,594 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:32:02,631 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:32:02,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 108 transitions, 230 flow [2025-02-06 09:32:02,684 INFO L124 PetriNetUnfolderBase]: 6/106 cut-off events. [2025-02-06 09:32:02,686 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:32:02,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 106 events. 6/106 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 107 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2025-02-06 09:32:02,689 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 108 transitions, 230 flow [2025-02-06 09:32:02,692 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 89 transitions, 190 flow [2025-02-06 09:32:02,699 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:32:02,707 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;@3f4d5067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:32:02,707 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-02-06 09:32:02,711 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:32:02,711 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2025-02-06 09:32:02,711 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:32:02,711 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:02,712 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:02,712 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:32:02,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:02,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1995611772, now seen corresponding path program 1 times [2025-02-06 09:32:02,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:02,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81609654] [2025-02-06 09:32:02,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:02,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:02,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 09:32:02,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 09:32:02,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:02,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:02,815 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 09:32:02,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:02,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81609654] [2025-02-06 09:32:02,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81609654] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:02,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:02,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:02,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188324291] [2025-02-06 09:32:02,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:02,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:02,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:02,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:02,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:02,860 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 108 [2025-02-06 09:32:02,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 89 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 09:32:02,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:02,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 108 [2025-02-06 09:32:02,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:02,910 INFO L124 PetriNetUnfolderBase]: 6/102 cut-off events. [2025-02-06 09:32:02,910 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-06 09:32:02,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 102 events. 6/102 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 1 based on Foata normal form. 7/98 useless extension candidates. Maximal degree in co-relation 70. Up to 16 conditions per place. [2025-02-06 09:32:02,916 INFO L140 encePairwiseOnDemand]: 95/108 looper letters, 9 selfloop transitions, 2 changer transitions 1/78 dead transitions. [2025-02-06 09:32:02,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 78 transitions, 190 flow [2025-02-06 09:32:02,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2025-02-06 09:32:02,928 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8364197530864198 [2025-02-06 09:32:02,929 INFO L175 Difference]: Start difference. First operand has 91 places, 89 transitions, 190 flow. Second operand 3 states and 271 transitions. [2025-02-06 09:32:02,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 78 transitions, 190 flow [2025-02-06 09:32:02,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 78 transitions, 182 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:32:02,935 INFO L231 Difference]: Finished difference. Result has 81 places, 77 transitions, 162 flow [2025-02-06 09:32:02,937 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=81, PETRI_TRANSITIONS=77} [2025-02-06 09:32:02,939 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -10 predicate places. [2025-02-06 09:32:02,940 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 77 transitions, 162 flow [2025-02-06 09:32:02,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 09:32:02,940 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:02,940 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] [2025-02-06 09:32:02,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:32:02,941 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:32:02,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:02,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1496843546, now seen corresponding path program 1 times [2025-02-06 09:32:02,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:02,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164606194] [2025-02-06 09:32:02,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:02,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 09:32:02,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 09:32:02,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:02,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:02,969 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 09:32:02,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:02,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164606194] [2025-02-06 09:32:02,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164606194] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:02,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:02,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:02,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916500668] [2025-02-06 09:32:02,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:02,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:02,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:02,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:02,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:02,995 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 108 [2025-02-06 09:32:02,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 77 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 09:32:02,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:02,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 108 [2025-02-06 09:32:02,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:03,029 INFO L124 PetriNetUnfolderBase]: 15/117 cut-off events. [2025-02-06 09:32:03,029 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:32:03,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 117 events. 15/117 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 225 event pairs, 7 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 135. Up to 34 conditions per place. [2025-02-06 09:32:03,031 INFO L140 encePairwiseOnDemand]: 105/108 looper letters, 12 selfloop transitions, 2 changer transitions 0/76 dead transitions. [2025-02-06 09:32:03,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 76 transitions, 188 flow [2025-02-06 09:32:03,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:03,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2025-02-06 09:32:03,032 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7870370370370371 [2025-02-06 09:32:03,032 INFO L175 Difference]: Start difference. First operand has 81 places, 77 transitions, 162 flow. Second operand 3 states and 255 transitions. [2025-02-06 09:32:03,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 76 transitions, 188 flow [2025-02-06 09:32:03,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 76 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:03,034 INFO L231 Difference]: Finished difference. Result has 79 places, 76 transitions, 160 flow [2025-02-06 09:32:03,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=79, PETRI_TRANSITIONS=76} [2025-02-06 09:32:03,035 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -12 predicate places. [2025-02-06 09:32:03,035 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 76 transitions, 160 flow [2025-02-06 09:32:03,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 09:32:03,035 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:03,036 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] [2025-02-06 09:32:03,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:32:03,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:32:03,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:03,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1153479485, now seen corresponding path program 1 times [2025-02-06 09:32:03,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:03,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123704018] [2025-02-06 09:32:03,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:03,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:03,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 09:32:03,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 09:32:03,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:03,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:03,072 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 09:32:03,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:03,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123704018] [2025-02-06 09:32:03,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123704018] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:03,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:03,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:03,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889041148] [2025-02-06 09:32:03,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:03,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:03,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:03,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:03,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:03,088 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 108 [2025-02-06 09:32:03,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 09:32:03,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:03,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 108 [2025-02-06 09:32:03,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:03,116 INFO L124 PetriNetUnfolderBase]: 24/142 cut-off events. [2025-02-06 09:32:03,117 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:32:03,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 142 events. 24/142 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 327 event pairs, 14 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 169. Up to 49 conditions per place. [2025-02-06 09:32:03,118 INFO L140 encePairwiseOnDemand]: 104/108 looper letters, 12 selfloop transitions, 1 changer transitions 0/73 dead transitions. [2025-02-06 09:32:03,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 73 transitions, 180 flow [2025-02-06 09:32:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:03,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2025-02-06 09:32:03,119 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7901234567901234 [2025-02-06 09:32:03,119 INFO L175 Difference]: Start difference. First operand has 79 places, 76 transitions, 160 flow. Second operand 3 states and 256 transitions. [2025-02-06 09:32:03,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 73 transitions, 180 flow [2025-02-06 09:32:03,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 73 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:03,121 INFO L231 Difference]: Finished difference. Result has 76 places, 73 transitions, 152 flow [2025-02-06 09:32:03,121 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=76, PETRI_TRANSITIONS=73} [2025-02-06 09:32:03,121 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -15 predicate places. [2025-02-06 09:32:03,121 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 73 transitions, 152 flow [2025-02-06 09:32:03,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 09:32:03,122 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:03,122 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:03,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:32:03,122 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:32:03,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:03,123 INFO L85 PathProgramCache]: Analyzing trace with hash -387710412, now seen corresponding path program 1 times [2025-02-06 09:32:03,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:03,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967418800] [2025-02-06 09:32:03,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:03,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:03,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 09:32:03,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 09:32:03,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:03,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:03,215 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 09:32:03,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:03,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967418800] [2025-02-06 09:32:03,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967418800] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:03,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:03,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:03,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583362837] [2025-02-06 09:32:03,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:03,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:03,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:03,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:03,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:03,223 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 108 [2025-02-06 09:32:03,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 73 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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 09:32:03,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:03,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 108 [2025-02-06 09:32:03,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:03,241 INFO L124 PetriNetUnfolderBase]: 6/94 cut-off events. [2025-02-06 09:32:03,241 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:32:03,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 94 events. 6/94 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 103 event pairs, 1 based on Foata normal form. 1/91 useless extension candidates. Maximal degree in co-relation 82. Up to 13 conditions per place. [2025-02-06 09:32:03,241 INFO L140 encePairwiseOnDemand]: 106/108 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2025-02-06 09:32:03,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 72 transitions, 164 flow [2025-02-06 09:32:03,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2025-02-06 09:32:03,242 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8302469135802469 [2025-02-06 09:32:03,242 INFO L175 Difference]: Start difference. First operand has 76 places, 73 transitions, 152 flow. Second operand 3 states and 269 transitions. [2025-02-06 09:32:03,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 72 transitions, 164 flow [2025-02-06 09:32:03,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 72 transitions, 163 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:32:03,243 INFO L231 Difference]: Finished difference. Result has 76 places, 0 transitions, 0 flow [2025-02-06 09:32:03,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=76, PETRI_TRANSITIONS=0} [2025-02-06 09:32:03,244 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -15 predicate places. [2025-02-06 09:32:03,244 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 0 transitions, 0 flow [2025-02-06 09:32:03,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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 09:32:03,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2025-02-06 09:32:03,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2025-02-06 09:32:03,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2025-02-06 09:32:03,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2025-02-06 09:32:03,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2025-02-06 09:32:03,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2025-02-06 09:32:03,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:32:03,252 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-06 09:32:03,259 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:32:03,259 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:32:03,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:32:03 BasicIcfg [2025-02-06 09:32:03,264 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:32:03,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:32:03,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:32:03,269 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:32:03,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:02" (3/4) ... [2025-02-06 09:32:03,270 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:32:03,271 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:32:03,272 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:32:03,274 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-06 09:32:03,274 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:32:03,274 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:32:03,274 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:32:03,322 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:32:03,322 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:32:03,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:32:03,323 INFO L158 Benchmark]: Toolchain (without parser) took 1476.92ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 83.5MB in the end (delta: 30.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2025-02-06 09:32:03,323 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory was 123.6MB in the beginning and 123.3MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:32:03,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.89ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 102.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:32:03,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.19ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 101.2MB in the end (delta: 999.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:32:03,323 INFO L158 Benchmark]: Boogie Preprocessor took 21.83ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.2MB in the end (delta: 999.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:32:03,324 INFO L158 Benchmark]: IcfgBuilder took 390.69ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 81.5MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 09:32:03,324 INFO L158 Benchmark]: TraceAbstraction took 689.05ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 88.8MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:32:03,324 INFO L158 Benchmark]: Witness Printer took 53.67ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 83.5MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:32:03,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory was 123.6MB in the beginning and 123.3MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.89ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 102.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.19ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 101.2MB in the end (delta: 999.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.83ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.2MB in the end (delta: 999.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 390.69ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 81.5MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 689.05ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 88.8MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.67ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 83.5MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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, 136 locations, 24 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: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 27 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:32:03,336 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