./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum2.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-array-sum2.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 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:31:35,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:31:36,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:31:36,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:31:36,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:31:36,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:31:36,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:31:36,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:31:36,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:31:36,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:31:36,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:31:36,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:31:36,025 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:31:36,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:31:36,026 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:31:36,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:31:36,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:31:36,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:31:36,028 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 -> 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 [2025-02-06 09:31:36,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:31:36,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:31:36,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:31:36,323 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:31:36,323 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:31:36,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2025-02-06 09:31:36,991 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f05997825/f284ea1e2aa24922bbbb4330c1c04cae/FLAG0e01df157 [2025-02-06 09:31:38,658 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:31:38,658 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2025-02-06 09:31:38,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f05997825/f284ea1e2aa24922bbbb4330c1c04cae/FLAG0e01df157 [2025-02-06 09:31:38,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f05997825/f284ea1e2aa24922bbbb4330c1c04cae [2025-02-06 09:31:38,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:31:38,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:31:38,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:31:38,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:31:38,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:31:38,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:38,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5126683a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38, skipping insertion in model container [2025-02-06 09:31:38,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:38,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:31:38,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:31:38,873 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:31:38,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:31:38,928 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:31:38,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38 WrapperNode [2025-02-06 09:31:38,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:31:38,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:31:38,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:31:38,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:31:38,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:38,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:38,981 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 373 [2025-02-06 09:31:38,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:31:38,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:31:38,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:31:38,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:31:38,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:38,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:39,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:39,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:39,022 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:39,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:39,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:39,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:39,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:31:39,035 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:31:39,036 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:31:39,036 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:31:39,036 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (1/1) ... [2025-02-06 09:31:39,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:31:39,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:31:39,082 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 09:31:39,094 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 09:31:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:31:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:31:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:31:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:31:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:31:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 09:31:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 09:31:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:31:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:31:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 09:31:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 09:31:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:31:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:31:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:31:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:31:39,111 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 09:31:39,202 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:31:39,203 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:31:39,667 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:31:39,667 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:31:39,896 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:31:39,896 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:31:39,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:39 BoogieIcfgContainer [2025-02-06 09:31:39,897 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:31:39,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:31:39,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:31:39,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:31:39,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:31:38" (1/3) ... [2025-02-06 09:31:39,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a8173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:31:39, skipping insertion in model container [2025-02-06 09:31:39,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:38" (2/3) ... [2025-02-06 09:31:39,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a8173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:31:39, skipping insertion in model container [2025-02-06 09:31:39,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:39" (3/3) ... [2025-02-06 09:31:39,904 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2025-02-06 09:31:39,914 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:31:39,915 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum2.wvr.c that has 4 procedures, 267 locations, 1 initial locations, 5 loop locations, and 35 error locations. [2025-02-06 09:31:39,916 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:31:39,976 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-06 09:31:40,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 276 places, 281 transitions, 583 flow [2025-02-06 09:31:40,102 INFO L124 PetriNetUnfolderBase]: 15/278 cut-off events. [2025-02-06 09:31:40,104 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:31:40,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 278 events. 15/278 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 348 event pairs, 0 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 230. Up to 2 conditions per place. [2025-02-06 09:31:40,110 INFO L82 GeneralOperation]: Start removeDead. Operand has 276 places, 281 transitions, 583 flow [2025-02-06 09:31:40,117 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 261 transitions, 540 flow [2025-02-06 09:31:40,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:31:40,134 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;@a547459, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:31:40,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-02-06 09:31:40,138 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:31:40,138 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2025-02-06 09:31:40,138 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:31:40,138 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:40,139 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:31:40,139 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:40,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:40,143 INFO L85 PathProgramCache]: Analyzing trace with hash 354741627, now seen corresponding path program 1 times [2025-02-06 09:31:40,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:40,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913200429] [2025-02-06 09:31:40,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:40,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:40,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 09:31:40,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 09:31:40,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:40,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:40,252 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 09:31:40,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:40,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913200429] [2025-02-06 09:31:40,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913200429] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:40,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:40,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:40,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927932318] [2025-02-06 09:31:40,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:40,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:40,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:40,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:40,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:40,357 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 281 [2025-02-06 09:31:40,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 261 transitions, 540 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 09:31:40,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:40,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 281 [2025-02-06 09:31:40,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:40,525 INFO L124 PetriNetUnfolderBase]: 59/469 cut-off events. [2025-02-06 09:31:40,526 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2025-02-06 09:31:40,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 598 conditions, 469 events. 59/469 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1691 event pairs, 38 based on Foata normal form. 28/434 useless extension candidates. Maximal degree in co-relation 272. Up to 92 conditions per place. [2025-02-06 09:31:40,534 INFO L140 encePairwiseOnDemand]: 252/281 looper letters, 16 selfloop transitions, 2 changer transitions 5/234 dead transitions. [2025-02-06 09:31:40,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 234 transitions, 522 flow [2025-02-06 09:31:40,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2025-02-06 09:31:40,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8825622775800712 [2025-02-06 09:31:40,550 INFO L175 Difference]: Start difference. First operand has 257 places, 261 transitions, 540 flow. Second operand 3 states and 744 transitions. [2025-02-06 09:31:40,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 234 transitions, 522 flow [2025-02-06 09:31:40,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 234 transitions, 510 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-06 09:31:40,561 INFO L231 Difference]: Finished difference. Result has 234 places, 229 transitions, 468 flow [2025-02-06 09:31:40,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=234, PETRI_TRANSITIONS=229} [2025-02-06 09:31:40,567 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -23 predicate places. [2025-02-06 09:31:40,568 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 229 transitions, 468 flow [2025-02-06 09:31:40,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 09:31:40,568 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:40,569 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] [2025-02-06 09:31:40,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:31:40,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:40,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:40,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1734073500, now seen corresponding path program 1 times [2025-02-06 09:31:40,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:40,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948521412] [2025-02-06 09:31:40,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:40,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:40,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 09:31:40,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 09:31:40,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:40,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:40,624 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 09:31:40,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:40,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948521412] [2025-02-06 09:31:40,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948521412] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:40,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:40,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:40,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696754601] [2025-02-06 09:31:40,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:40,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:40,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:40,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:40,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:40,665 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 281 [2025-02-06 09:31:40,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 229 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 09:31:40,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:40,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 281 [2025-02-06 09:31:40,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:40,772 INFO L124 PetriNetUnfolderBase]: 63/493 cut-off events. [2025-02-06 09:31:40,772 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-02-06 09:31:40,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 493 events. 63/493 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1696 event pairs, 34 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 579. Up to 101 conditions per place. [2025-02-06 09:31:40,776 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 17 selfloop transitions, 2 changer transitions 0/228 dead transitions. [2025-02-06 09:31:40,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 228 transitions, 504 flow [2025-02-06 09:31:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:40,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2025-02-06 09:31:40,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8493475682087782 [2025-02-06 09:31:40,784 INFO L175 Difference]: Start difference. First operand has 234 places, 229 transitions, 468 flow. Second operand 3 states and 716 transitions. [2025-02-06 09:31:40,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 228 transitions, 504 flow [2025-02-06 09:31:40,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 228 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:31:40,791 INFO L231 Difference]: Finished difference. Result has 228 places, 228 transitions, 466 flow [2025-02-06 09:31:40,791 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=228, PETRI_TRANSITIONS=228} [2025-02-06 09:31:40,792 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -29 predicate places. [2025-02-06 09:31:40,792 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 228 transitions, 466 flow [2025-02-06 09:31:40,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 09:31:40,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:40,792 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] [2025-02-06 09:31:40,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:31:40,793 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:40,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:40,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1690650271, now seen corresponding path program 1 times [2025-02-06 09:31:40,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:40,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897392490] [2025-02-06 09:31:40,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:40,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:40,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 09:31:40,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 09:31:40,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:40,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:40,845 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 09:31:40,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:40,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897392490] [2025-02-06 09:31:40,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897392490] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:40,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:40,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:40,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427805371] [2025-02-06 09:31:40,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:40,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:40,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:40,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:40,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:40,881 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 281 [2025-02-06 09:31:40,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 228 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 09:31:40,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:40,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 281 [2025-02-06 09:31:40,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:41,049 INFO L124 PetriNetUnfolderBase]: 109/584 cut-off events. [2025-02-06 09:31:41,049 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-02-06 09:31:41,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 584 events. 109/584 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2455 event pairs, 59 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 730. Up to 166 conditions per place. [2025-02-06 09:31:41,054 INFO L140 encePairwiseOnDemand]: 275/281 looper letters, 19 selfloop transitions, 1 changer transitions 0/223 dead transitions. [2025-02-06 09:31:41,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 223 transitions, 496 flow [2025-02-06 09:31:41,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 709 transitions. [2025-02-06 09:31:41,058 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8410438908659549 [2025-02-06 09:31:41,058 INFO L175 Difference]: Start difference. First operand has 228 places, 228 transitions, 466 flow. Second operand 3 states and 709 transitions. [2025-02-06 09:31:41,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 223 transitions, 496 flow [2025-02-06 09:31:41,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 223 transitions, 492 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:31:41,062 INFO L231 Difference]: Finished difference. Result has 223 places, 223 transitions, 454 flow [2025-02-06 09:31:41,062 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=223, PETRI_TRANSITIONS=223} [2025-02-06 09:31:41,063 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -34 predicate places. [2025-02-06 09:31:41,063 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 223 transitions, 454 flow [2025-02-06 09:31:41,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 09:31:41,063 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:41,064 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] [2025-02-06 09:31:41,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:31:41,064 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:41,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:41,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1561019961, now seen corresponding path program 1 times [2025-02-06 09:31:41,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:41,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000587840] [2025-02-06 09:31:41,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:41,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 09:31:41,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 09:31:41,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:41,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:41,613 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 09:31:41,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:41,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000587840] [2025-02-06 09:31:41,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000587840] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:41,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:41,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:31:41,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739046806] [2025-02-06 09:31:41,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:41,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:31:41,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:41,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:31:41,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:31:41,769 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 281 [2025-02-06 09:31:41,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 223 transitions, 454 flow. Second operand has 6 states, 6 states have (on average 217.5) internal successors, (1305), 6 states have internal predecessors, (1305), 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 09:31:41,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:41,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 281 [2025-02-06 09:31:41,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:41,880 INFO L124 PetriNetUnfolderBase]: 31/346 cut-off events. [2025-02-06 09:31:41,881 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-06 09:31:41,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 346 events. 31/346 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 855 event pairs, 15 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 389. Up to 61 conditions per place. [2025-02-06 09:31:41,884 INFO L140 encePairwiseOnDemand]: 269/281 looper letters, 25 selfloop transitions, 10 changer transitions 0/221 dead transitions. [2025-02-06 09:31:41,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 221 transitions, 520 flow [2025-02-06 09:31:41,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:31:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:31:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1333 transitions. [2025-02-06 09:31:41,888 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7906287069988137 [2025-02-06 09:31:41,888 INFO L175 Difference]: Start difference. First operand has 223 places, 223 transitions, 454 flow. Second operand 6 states and 1333 transitions. [2025-02-06 09:31:41,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 221 transitions, 520 flow [2025-02-06 09:31:41,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 221 transitions, 519 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:31:41,892 INFO L231 Difference]: Finished difference. Result has 225 places, 221 transitions, 469 flow [2025-02-06 09:31:41,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=469, PETRI_PLACES=225, PETRI_TRANSITIONS=221} [2025-02-06 09:31:41,892 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -32 predicate places. [2025-02-06 09:31:41,892 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 221 transitions, 469 flow [2025-02-06 09:31:41,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 217.5) internal successors, (1305), 6 states have internal predecessors, (1305), 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 09:31:41,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:41,893 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] [2025-02-06 09:31:41,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:31:41,894 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:41,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash 700523970, now seen corresponding path program 1 times [2025-02-06 09:31:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:41,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717034797] [2025-02-06 09:31:41,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:41,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 09:31:41,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 09:31:41,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:41,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:41,956 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 09:31:41,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:41,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717034797] [2025-02-06 09:31:41,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717034797] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:41,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:41,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:41,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877196141] [2025-02-06 09:31:41,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:41,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:41,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:41,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:41,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:41,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 281 [2025-02-06 09:31:41,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 221 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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 09:31:41,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:41,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 281 [2025-02-06 09:31:41,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:42,061 INFO L124 PetriNetUnfolderBase]: 31/345 cut-off events. [2025-02-06 09:31:42,062 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-06 09:31:42,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 345 events. 31/345 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 852 event pairs, 15 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 382. Up to 48 conditions per place. [2025-02-06 09:31:42,064 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 12 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2025-02-06 09:31:42,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 220 transitions, 495 flow [2025-02-06 09:31:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2025-02-06 09:31:42,066 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8612099644128114 [2025-02-06 09:31:42,068 INFO L175 Difference]: Start difference. First operand has 225 places, 221 transitions, 469 flow. Second operand 3 states and 726 transitions. [2025-02-06 09:31:42,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 220 transitions, 495 flow [2025-02-06 09:31:42,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 220 transitions, 475 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:31:42,071 INFO L231 Difference]: Finished difference. Result has 221 places, 220 transitions, 451 flow [2025-02-06 09:31:42,072 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=451, PETRI_PLACES=221, PETRI_TRANSITIONS=220} [2025-02-06 09:31:42,072 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -36 predicate places. [2025-02-06 09:31:42,073 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 220 transitions, 451 flow [2025-02-06 09:31:42,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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 09:31:42,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:42,074 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] [2025-02-06 09:31:42,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:31:42,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:42,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:42,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1367035407, now seen corresponding path program 1 times [2025-02-06 09:31:42,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:42,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593669796] [2025-02-06 09:31:42,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:42,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:42,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 09:31:42,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 09:31:42,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:42,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:42,142 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 09:31:42,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:42,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593669796] [2025-02-06 09:31:42,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593669796] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:42,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:42,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:42,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102960604] [2025-02-06 09:31:42,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:42,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:42,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:42,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:42,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:42,150 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 281 [2025-02-06 09:31:42,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 220 transitions, 451 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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 09:31:42,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:42,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 281 [2025-02-06 09:31:42,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:42,228 INFO L124 PetriNetUnfolderBase]: 31/344 cut-off events. [2025-02-06 09:31:42,228 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-06 09:31:42,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 344 events. 31/344 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 847 event pairs, 15 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 367. Up to 48 conditions per place. [2025-02-06 09:31:42,229 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 12 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2025-02-06 09:31:42,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 219 transitions, 477 flow [2025-02-06 09:31:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2025-02-06 09:31:42,231 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8612099644128114 [2025-02-06 09:31:42,231 INFO L175 Difference]: Start difference. First operand has 221 places, 220 transitions, 451 flow. Second operand 3 states and 726 transitions. [2025-02-06 09:31:42,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 219 transitions, 477 flow [2025-02-06 09:31:42,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 219 transitions, 473 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:31:42,233 INFO L231 Difference]: Finished difference. Result has 220 places, 219 transitions, 449 flow [2025-02-06 09:31:42,234 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=449, PETRI_PLACES=220, PETRI_TRANSITIONS=219} [2025-02-06 09:31:42,234 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -37 predicate places. [2025-02-06 09:31:42,234 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 219 transitions, 449 flow [2025-02-06 09:31:42,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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 09:31:42,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:42,235 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] [2025-02-06 09:31:42,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:31:42,235 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:42,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:42,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1768323465, now seen corresponding path program 1 times [2025-02-06 09:31:42,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:42,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837725652] [2025-02-06 09:31:42,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:42,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:42,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 09:31:42,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 09:31:42,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:42,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:42,282 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 09:31:42,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:42,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837725652] [2025-02-06 09:31:42,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837725652] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:42,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:42,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:42,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731418967] [2025-02-06 09:31:42,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:42,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:42,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:42,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:42,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:42,303 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 281 [2025-02-06 09:31:42,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 219 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:42,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:42,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 281 [2025-02-06 09:31:42,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:42,357 INFO L124 PetriNetUnfolderBase]: 102/538 cut-off events. [2025-02-06 09:31:42,357 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-02-06 09:31:42,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 538 events. 102/538 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2303 event pairs, 71 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 667. Up to 150 conditions per place. [2025-02-06 09:31:42,359 INFO L140 encePairwiseOnDemand]: 276/281 looper letters, 17 selfloop transitions, 1 changer transitions 0/215 dead transitions. [2025-02-06 09:31:42,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 215 transitions, 477 flow [2025-02-06 09:31:42,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:42,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2025-02-06 09:31:42,360 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8481613285883749 [2025-02-06 09:31:42,360 INFO L175 Difference]: Start difference. First operand has 220 places, 219 transitions, 449 flow. Second operand 3 states and 715 transitions. [2025-02-06 09:31:42,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 215 transitions, 477 flow [2025-02-06 09:31:42,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 215 transitions, 473 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:31:42,363 INFO L231 Difference]: Finished difference. Result has 216 places, 215 transitions, 439 flow [2025-02-06 09:31:42,363 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=439, PETRI_PLACES=216, PETRI_TRANSITIONS=215} [2025-02-06 09:31:42,363 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -41 predicate places. [2025-02-06 09:31:42,363 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 215 transitions, 439 flow [2025-02-06 09:31:42,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:42,364 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:42,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:42,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:31:42,364 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:42,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:42,365 INFO L85 PathProgramCache]: Analyzing trace with hash 109748821, now seen corresponding path program 1 times [2025-02-06 09:31:42,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:42,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381478207] [2025-02-06 09:31:42,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:42,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:42,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-06 09:31:42,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-06 09:31:42,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:42,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:42,435 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 09:31:42,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:42,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381478207] [2025-02-06 09:31:42,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381478207] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:42,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:42,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:42,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328205752] [2025-02-06 09:31:42,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:42,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:42,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:42,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:42,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:42,441 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 281 [2025-02-06 09:31:42,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 215 transitions, 439 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 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 09:31:42,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:42,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 281 [2025-02-06 09:31:42,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:42,491 INFO L124 PetriNetUnfolderBase]: 31/332 cut-off events. [2025-02-06 09:31:42,491 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-06 09:31:42,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 332 events. 31/332 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 772 event pairs, 15 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 352. Up to 45 conditions per place. [2025-02-06 09:31:42,494 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 10 selfloop transitions, 1 changer transitions 0/214 dead transitions. [2025-02-06 09:31:42,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 214 transitions, 459 flow [2025-02-06 09:31:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2025-02-06 09:31:42,495 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8718861209964412 [2025-02-06 09:31:42,496 INFO L175 Difference]: Start difference. First operand has 216 places, 215 transitions, 439 flow. Second operand 3 states and 735 transitions. [2025-02-06 09:31:42,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 214 transitions, 459 flow [2025-02-06 09:31:42,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 214 transitions, 458 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:31:42,498 INFO L231 Difference]: Finished difference. Result has 216 places, 214 transitions, 438 flow [2025-02-06 09:31:42,499 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=216, PETRI_TRANSITIONS=214} [2025-02-06 09:31:42,499 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -41 predicate places. [2025-02-06 09:31:42,499 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 214 transitions, 438 flow [2025-02-06 09:31:42,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 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 09:31:42,500 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:42,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:42,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:31:42,500 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:31:42,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:42,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1300077496, now seen corresponding path program 1 times [2025-02-06 09:31:42,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:42,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531293349] [2025-02-06 09:31:42,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:42,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:42,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-02-06 09:31:42,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-02-06 09:31:42,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:42,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:42,560 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 09:31:42,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:42,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531293349] [2025-02-06 09:31:42,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531293349] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:42,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:42,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:42,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386654228] [2025-02-06 09:31:42,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:42,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:42,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:42,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:42,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:42,564 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 281 [2025-02-06 09:31:42,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 214 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 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 09:31:42,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:42,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 281 [2025-02-06 09:31:42,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:42,617 INFO L124 PetriNetUnfolderBase]: 31/331 cut-off events. [2025-02-06 09:31:42,617 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-06 09:31:42,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 331 events. 31/331 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 772 event pairs, 15 based on Foata normal form. 1/317 useless extension candidates. Maximal degree in co-relation 381. Up to 45 conditions per place. [2025-02-06 09:31:42,620 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 0 selfloop transitions, 0 changer transitions 213/213 dead transitions. [2025-02-06 09:31:42,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 213 transitions, 456 flow [2025-02-06 09:31:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2025-02-06 09:31:42,621 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8706998813760379 [2025-02-06 09:31:42,621 INFO L175 Difference]: Start difference. First operand has 216 places, 214 transitions, 438 flow. Second operand 3 states and 734 transitions. [2025-02-06 09:31:42,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 213 transitions, 456 flow [2025-02-06 09:31:42,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 213 transitions, 455 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:31:42,623 INFO L231 Difference]: Finished difference. Result has 216 places, 0 transitions, 0 flow [2025-02-06 09:31:42,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=216, PETRI_TRANSITIONS=0} [2025-02-06 09:31:42,625 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -41 predicate places. [2025-02-06 09:31:42,625 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 0 transitions, 0 flow [2025-02-06 09:31:42,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 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 09:31:42,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2025-02-06 09:31:42,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2025-02-06 09:31:42,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2025-02-06 09:31:42,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2025-02-06 09:31:42,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 09:31:42,630 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:31:42,639 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:31:42,639 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:31:42,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:31:42 BasicIcfg [2025-02-06 09:31:42,643 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:31:42,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:31:42,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:31:42,644 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:31:42,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:39" (3/4) ... [2025-02-06 09:31:42,645 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:31:42,647 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:31:42,647 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:31:42,647 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-06 09:31:42,652 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2025-02-06 09:31:42,653 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:31:42,653 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:31:42,653 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:31:42,719 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:31:42,719 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:31:42,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:31:42,720 INFO L158 Benchmark]: Toolchain (without parser) took 3995.73ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 107.9MB in the beginning and 69.9MB in the end (delta: 38.0MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2025-02-06 09:31:42,720 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 209.7MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:42,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.72ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 94.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:42,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.21ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:42,723 INFO L158 Benchmark]: Boogie Preprocessor took 53.06ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 89.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:42,723 INFO L158 Benchmark]: IcfgBuilder took 861.60ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 60.2MB in the end (delta: 29.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2025-02-06 09:31:42,723 INFO L158 Benchmark]: TraceAbstraction took 2744.48ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 59.6MB in the beginning and 77.6MB in the end (delta: -18.0MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2025-02-06 09:31:42,724 INFO L158 Benchmark]: Witness Printer took 75.74ms. Allocated memory is still 192.9MB. Free memory was 77.6MB in the beginning and 69.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:42,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 209.7MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.72ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 94.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.21ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.06ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 89.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 861.60ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 60.2MB in the end (delta: 29.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2744.48ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 59.6MB in the beginning and 77.6MB in the end (delta: -18.0MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 75.74ms. Allocated memory is still 192.9MB. Free memory was 77.6MB in the beginning and 69.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 108]: 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: 108]: 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: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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 7 procedures, 333 locations, 60 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: 2.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 290 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 447 IncrementalHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 94 mSDtfsCounter, 447 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 736 ConstructedInterpolants, 0 QuantifiedInterpolants, 867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:31:42,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE