./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 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/parallel-lamport.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 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:32:05,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:32:05,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:32:05,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:32:05,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:32:05,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:32:05,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:32:05,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:32:05,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:32:05,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:32:05,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:32:05,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:32:05,331 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:32:05,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:32:05,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:32:05,331 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:32:05,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:32:05,332 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:32:05,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:32:05,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:32:05,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:32:05,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:32:05,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:32:05,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:32:05,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:32:05,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:32:05,333 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 -> 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 [2025-01-09 21:32:05,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:32:05,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:32:05,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:32:05,579 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:32:05,579 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:32:05,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2025-01-09 21:32:07,454 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/98dc9ef02/5e0a8fa79d5741f3960279c3054635e8/FLAGf905108c3 [2025-01-09 21:32:07,729 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:32:07,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2025-01-09 21:32:07,740 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/98dc9ef02/5e0a8fa79d5741f3960279c3054635e8/FLAGf905108c3 [2025-01-09 21:32:07,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/98dc9ef02/5e0a8fa79d5741f3960279c3054635e8 [2025-01-09 21:32:07,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:32:07,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:32:07,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:32:07,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:32:07,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:32:07,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:32:07" (1/1) ... [2025-01-09 21:32:07,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b8559a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:07, skipping insertion in model container [2025-01-09 21:32:07,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:32:07" (1/1) ... [2025-01-09 21:32:07,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:32:07,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:32:07,966 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:32:07,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:32:08,015 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:32:08,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08 WrapperNode [2025-01-09 21:32:08,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:32:08,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:32:08,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:32:08,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:32:08,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,069 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 245 [2025-01-09 21:32:08,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:32:08,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:32:08,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:32:08,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:32:08,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,102 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:32:08,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:32:08,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:32:08,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:32:08,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:32:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:32:08,154 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) [2025-01-09 21:32:08,159 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 [2025-01-09 21:32:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:32:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:32:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:32:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-09 21:32:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-09 21:32:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-09 21:32:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-09 21:32:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:32:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:32:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 21:32:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:32:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:32:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:32:08,175 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:32:08,260 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:32:08,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:32:08,626 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:32:08,627 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:32:08,637 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:32:08,638 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:32:08,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:32:08 BoogieIcfgContainer [2025-01-09 21:32:08,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:32:08,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:32:08,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:32:08,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:32:08,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:32:07" (1/3) ... [2025-01-09 21:32:08,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64eb1455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:32:08, skipping insertion in model container [2025-01-09 21:32:08,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (2/3) ... [2025-01-09 21:32:08,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64eb1455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:32:08, skipping insertion in model container [2025-01-09 21:32:08,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:32:08" (3/3) ... [2025-01-09 21:32:08,645 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2025-01-09 21:32:08,657 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:32:08,658 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-lamport.wvr.c that has 4 procedures, 282 locations, 1 initial locations, 1 loop locations, and 10 error locations. [2025-01-09 21:32:08,659 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:32:08,758 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-09 21:32:08,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 291 places, 295 transitions, 611 flow [2025-01-09 21:32:08,926 INFO L124 PetriNetUnfolderBase]: 14/292 cut-off events. [2025-01-09 21:32:08,928 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-01-09 21:32:08,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 292 events. 14/292 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 386 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 237. Up to 2 conditions per place. [2025-01-09 21:32:08,937 INFO L82 GeneralOperation]: Start removeDead. Operand has 291 places, 295 transitions, 611 flow [2025-01-09 21:32:08,943 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 272 places, 275 transitions, 565 flow [2025-01-09 21:32:08,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:32:08,962 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;@5444cd0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:32:08,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-01-09 21:32:08,981 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:32:08,983 INFO L124 PetriNetUnfolderBase]: 2/83 cut-off events. [2025-01-09 21:32:08,983 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:32:08,983 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:08,984 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] [2025-01-09 21:32:08,984 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-01-09 21:32:08,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:08,988 INFO L85 PathProgramCache]: Analyzing trace with hash 933712881, now seen corresponding path program 1 times [2025-01-09 21:32:08,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:08,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000933155] [2025-01-09 21:32:08,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:09,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 21:32:09,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 21:32:09,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:09,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:09,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:09,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000933155] [2025-01-09 21:32:09,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000933155] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:09,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:09,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:32:09,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987124149] [2025-01-09 21:32:09,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:09,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:32:09,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:09,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:32:09,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:32:09,289 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 295 [2025-01-09 21:32:09,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 275 transitions, 565 flow. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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) [2025-01-09 21:32:09,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:09,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 295 [2025-01-09 21:32:09,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:09,428 INFO L124 PetriNetUnfolderBase]: 24/566 cut-off events. [2025-01-09 21:32:09,429 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2025-01-09 21:32:09,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 566 events. 24/566 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2051 event pairs, 23 based on Foata normal form. 61/561 useless extension candidates. Maximal degree in co-relation 379. Up to 54 conditions per place. [2025-01-09 21:32:09,436 INFO L140 encePairwiseOnDemand]: 280/295 looper letters, 12 selfloop transitions, 2 changer transitions 4/262 dead transitions. [2025-01-09 21:32:09,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 262 transitions, 567 flow [2025-01-09 21:32:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:32:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:32:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 819 transitions. [2025-01-09 21:32:09,452 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9254237288135593 [2025-01-09 21:32:09,453 INFO L175 Difference]: Start difference. First operand has 272 places, 275 transitions, 565 flow. Second operand 3 states and 819 transitions. [2025-01-09 21:32:09,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 262 transitions, 567 flow [2025-01-09 21:32:09,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 262 transitions, 558 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-09 21:32:09,463 INFO L231 Difference]: Finished difference. Result has 268 places, 258 transitions, 526 flow [2025-01-09 21:32:09,466 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=268, PETRI_TRANSITIONS=258} [2025-01-09 21:32:09,470 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -4 predicate places. [2025-01-09 21:32:09,471 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 258 transitions, 526 flow [2025-01-09 21:32:09,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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) [2025-01-09 21:32:09,472 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:09,472 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] [2025-01-09 21:32:09,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:32:09,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-01-09 21:32:09,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:09,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1608990962, now seen corresponding path program 1 times [2025-01-09 21:32:09,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:09,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756067365] [2025-01-09 21:32:09,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:09,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 21:32:09,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 21:32:09,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:09,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:10,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:10,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756067365] [2025-01-09 21:32:10,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756067365] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:10,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:10,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:32:10,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798864186] [2025-01-09 21:32:10,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:10,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:32:10,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:10,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:32:10,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:32:10,175 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 295 [2025-01-09 21:32:10,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 258 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 246.5) internal successors, (1479), 6 states have internal predecessors, (1479), 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) [2025-01-09 21:32:10,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:10,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 295 [2025-01-09 21:32:10,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:10,525 INFO L124 PetriNetUnfolderBase]: 465/2354 cut-off events. [2025-01-09 21:32:10,525 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2025-01-09 21:32:10,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3201 conditions, 2354 events. 465/2354 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 18489 event pairs, 464 based on Foata normal form. 0/2051 useless extension candidates. Maximal degree in co-relation 3095. Up to 782 conditions per place. [2025-01-09 21:32:10,544 INFO L140 encePairwiseOnDemand]: 289/295 looper letters, 29 selfloop transitions, 5 changer transitions 0/257 dead transitions. [2025-01-09 21:32:10,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 257 transitions, 592 flow [2025-01-09 21:32:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:32:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:32:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1505 transitions. [2025-01-09 21:32:10,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8502824858757062 [2025-01-09 21:32:10,548 INFO L175 Difference]: Start difference. First operand has 268 places, 258 transitions, 526 flow. Second operand 6 states and 1505 transitions. [2025-01-09 21:32:10,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 257 transitions, 592 flow [2025-01-09 21:32:10,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 257 transitions, 588 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:32:10,553 INFO L231 Difference]: Finished difference. Result has 266 places, 257 transitions, 530 flow [2025-01-09 21:32:10,553 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=530, PETRI_PLACES=266, PETRI_TRANSITIONS=257} [2025-01-09 21:32:10,553 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -6 predicate places. [2025-01-09 21:32:10,553 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 257 transitions, 530 flow [2025-01-09 21:32:10,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 246.5) internal successors, (1479), 6 states have internal predecessors, (1479), 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) [2025-01-09 21:32:10,554 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:10,554 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] [2025-01-09 21:32:10,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:32:10,554 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-01-09 21:32:10,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:10,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1005300631, now seen corresponding path program 1 times [2025-01-09 21:32:10,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:10,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69041824] [2025-01-09 21:32:10,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:10,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:10,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-09 21:32:10,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-09 21:32:10,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:10,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:10,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:10,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69041824] [2025-01-09 21:32:10,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69041824] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:10,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:10,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:32:10,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173633355] [2025-01-09 21:32:10,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:10,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:32:10,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:10,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:32:10,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:32:10,630 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 295 [2025-01-09 21:32:10,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 257 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 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) [2025-01-09 21:32:10,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:10,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 295 [2025-01-09 21:32:10,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:10,782 INFO L124 PetriNetUnfolderBase]: 93/1165 cut-off events. [2025-01-09 21:32:10,782 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-01-09 21:32:10,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 1165 events. 93/1165 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7089 event pairs, 66 based on Foata normal form. 0/1063 useless extension candidates. Maximal degree in co-relation 1347. Up to 166 conditions per place. [2025-01-09 21:32:10,789 INFO L140 encePairwiseOnDemand]: 288/295 looper letters, 16 selfloop transitions, 3 changer transitions 0/258 dead transitions. [2025-01-09 21:32:10,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 258 transitions, 573 flow [2025-01-09 21:32:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:32:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:32:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2025-01-09 21:32:10,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9141242937853107 [2025-01-09 21:32:10,793 INFO L175 Difference]: Start difference. First operand has 266 places, 257 transitions, 530 flow. Second operand 3 states and 809 transitions. [2025-01-09 21:32:10,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 258 transitions, 573 flow [2025-01-09 21:32:10,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 258 transitions, 563 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-09 21:32:10,798 INFO L231 Difference]: Finished difference. Result has 260 places, 256 transitions, 533 flow [2025-01-09 21:32:10,798 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=533, PETRI_PLACES=260, PETRI_TRANSITIONS=256} [2025-01-09 21:32:10,799 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -12 predicate places. [2025-01-09 21:32:10,799 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 256 transitions, 533 flow [2025-01-09 21:32:10,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 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) [2025-01-09 21:32:10,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:10,800 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] [2025-01-09 21:32:10,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:32:10,801 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-01-09 21:32:10,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash 99320557, now seen corresponding path program 1 times [2025-01-09 21:32:10,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:10,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810637617] [2025-01-09 21:32:10,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:10,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:10,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 21:32:10,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 21:32:10,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:10,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:11,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:11,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810637617] [2025-01-09 21:32:11,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810637617] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:11,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:11,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:32:11,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130419796] [2025-01-09 21:32:11,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:11,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:32:11,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:11,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:32:11,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:32:11,359 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 295 [2025-01-09 21:32:11,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 256 transitions, 533 flow. Second operand has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 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) [2025-01-09 21:32:11,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:11,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 295 [2025-01-09 21:32:11,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:11,433 INFO L124 PetriNetUnfolderBase]: 42/455 cut-off events. [2025-01-09 21:32:11,433 INFO L125 PetriNetUnfolderBase]: For 40/44 co-relation queries the response was YES. [2025-01-09 21:32:11,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 455 events. 42/455 cut-off events. For 40/44 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1728 event pairs, 7 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 439. Up to 31 conditions per place. [2025-01-09 21:32:11,436 INFO L140 encePairwiseOnDemand]: 283/295 looper letters, 19 selfloop transitions, 10 changer transitions 4/262 dead transitions. [2025-01-09 21:32:11,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 262 transitions, 619 flow [2025-01-09 21:32:11,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:32:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:32:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1553 transitions. [2025-01-09 21:32:11,439 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8774011299435028 [2025-01-09 21:32:11,439 INFO L175 Difference]: Start difference. First operand has 260 places, 256 transitions, 533 flow. Second operand 6 states and 1553 transitions. [2025-01-09 21:32:11,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 262 transitions, 619 flow [2025-01-09 21:32:11,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 262 transitions, 619 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:32:11,442 INFO L231 Difference]: Finished difference. Result has 263 places, 254 transitions, 549 flow [2025-01-09 21:32:11,443 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=263, PETRI_TRANSITIONS=254} [2025-01-09 21:32:11,444 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -9 predicate places. [2025-01-09 21:32:11,444 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 254 transitions, 549 flow [2025-01-09 21:32:11,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 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) [2025-01-09 21:32:11,445 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:11,445 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] [2025-01-09 21:32:11,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:32:11,446 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-01-09 21:32:11,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:11,447 INFO L85 PathProgramCache]: Analyzing trace with hash 818990232, now seen corresponding path program 1 times [2025-01-09 21:32:11,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:11,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375070636] [2025-01-09 21:32:11,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:11,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 21:32:11,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 21:32:11,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:11,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:11,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:11,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375070636] [2025-01-09 21:32:11,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375070636] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:11,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:11,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:32:11,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816324705] [2025-01-09 21:32:11,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:11,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:32:11,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:11,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:32:11,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:32:11,967 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 295 [2025-01-09 21:32:11,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 254 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 261.8333333333333) internal successors, (1571), 6 states have internal predecessors, (1571), 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) [2025-01-09 21:32:11,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:11,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 295 [2025-01-09 21:32:11,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:12,059 INFO L124 PetriNetUnfolderBase]: 19/514 cut-off events. [2025-01-09 21:32:12,059 INFO L125 PetriNetUnfolderBase]: For 4/16 co-relation queries the response was YES. [2025-01-09 21:32:12,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 514 events. 19/514 cut-off events. For 4/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1817 event pairs, 3 based on Foata normal form. 4/488 useless extension candidates. Maximal degree in co-relation 557. Up to 19 conditions per place. [2025-01-09 21:32:12,063 INFO L140 encePairwiseOnDemand]: 290/295 looper letters, 23 selfloop transitions, 4 changer transitions 0/261 dead transitions. [2025-01-09 21:32:12,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 261 transitions, 629 flow [2025-01-09 21:32:12,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:32:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:32:12,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1588 transitions. [2025-01-09 21:32:12,066 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8971751412429378 [2025-01-09 21:32:12,066 INFO L175 Difference]: Start difference. First operand has 263 places, 254 transitions, 549 flow. Second operand 6 states and 1588 transitions. [2025-01-09 21:32:12,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 261 transitions, 629 flow [2025-01-09 21:32:12,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 261 transitions, 609 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-09 21:32:12,071 INFO L231 Difference]: Finished difference. Result has 262 places, 253 transitions, 535 flow [2025-01-09 21:32:12,072 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=535, PETRI_PLACES=262, PETRI_TRANSITIONS=253} [2025-01-09 21:32:12,072 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -10 predicate places. [2025-01-09 21:32:12,074 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 253 transitions, 535 flow [2025-01-09 21:32:12,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 261.8333333333333) internal successors, (1571), 6 states have internal predecessors, (1571), 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) [2025-01-09 21:32:12,075 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:12,075 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] [2025-01-09 21:32:12,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:32:12,076 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-01-09 21:32:12,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1508267173, now seen corresponding path program 1 times [2025-01-09 21:32:12,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:12,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557945538] [2025-01-09 21:32:12,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:12,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:12,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-09 21:32:12,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-09 21:32:12,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:12,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:12,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:12,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557945538] [2025-01-09 21:32:12,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557945538] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:12,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:12,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:32:12,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999541706] [2025-01-09 21:32:12,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:12,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:32:12,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:12,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:32:12,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:32:12,649 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 295 [2025-01-09 21:32:12,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 253 transitions, 535 flow. Second operand has 6 states, 6 states have (on average 262.0) internal successors, (1572), 6 states have internal predecessors, (1572), 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) [2025-01-09 21:32:12,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:12,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 295 [2025-01-09 21:32:12,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:12,737 INFO L124 PetriNetUnfolderBase]: 30/503 cut-off events. [2025-01-09 21:32:12,737 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2025-01-09 21:32:12,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 503 events. 30/503 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1783 event pairs, 4 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 489. Up to 26 conditions per place. [2025-01-09 21:32:12,740 INFO L140 encePairwiseOnDemand]: 290/295 looper letters, 0 selfloop transitions, 0 changer transitions 260/260 dead transitions. [2025-01-09 21:32:12,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 260 transitions, 615 flow [2025-01-09 21:32:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:32:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:32:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1588 transitions. [2025-01-09 21:32:12,742 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8971751412429378 [2025-01-09 21:32:12,742 INFO L175 Difference]: Start difference. First operand has 262 places, 253 transitions, 535 flow. Second operand 6 states and 1588 transitions. [2025-01-09 21:32:12,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 260 transitions, 615 flow [2025-01-09 21:32:12,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 260 transitions, 608 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-09 21:32:12,745 INFO L231 Difference]: Finished difference. Result has 262 places, 0 transitions, 0 flow [2025-01-09 21:32:12,745 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=262, PETRI_TRANSITIONS=0} [2025-01-09 21:32:12,745 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -10 predicate places. [2025-01-09 21:32:12,745 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 0 transitions, 0 flow [2025-01-09 21:32:12,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 262.0) internal successors, (1572), 6 states have internal predecessors, (1572), 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) [2025-01-09 21:32:12,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2025-01-09 21:32:12,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2025-01-09 21:32:12,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2025-01-09 21:32:12,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2025-01-09 21:32:12,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2025-01-09 21:32:12,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2025-01-09 21:32:12,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:32:12,749 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 21:32:12,753 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:32:12,753 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:32:12,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:32:12 BasicIcfg [2025-01-09 21:32:12,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:32:12,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:32:12,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:32:12,757 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:32:12,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:32:08" (3/4) ... [2025-01-09 21:32:12,758 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:32:12,760 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:32:12,760 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-09 21:32:12,760 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-01-09 21:32:12,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-09 21:32:12,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 21:32:12,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:32:12,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:32:12,821 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:32:12,821 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:32:12,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:32:12,822 INFO L158 Benchmark]: Toolchain (without parser) took 5052.68ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 110.9MB in the beginning and 240.0MB in the end (delta: -129.1MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. [2025-01-09 21:32:12,822 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:32:12,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.45ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 98.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:32:12,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.75ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:32:12,826 INFO L158 Benchmark]: Boogie Preprocessor took 41.33ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:32:12,826 INFO L158 Benchmark]: RCFGBuilder took 522.15ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 70.4MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:32:12,826 INFO L158 Benchmark]: TraceAbstraction took 4116.42ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 69.5MB in the beginning and 248.4MB in the end (delta: -178.9MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2025-01-09 21:32:12,826 INFO L158 Benchmark]: Witness Printer took 65.04ms. Allocated memory is still 436.2MB. Free memory was 248.4MB in the beginning and 240.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:32:12,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.45ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 98.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.75ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.33ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.15ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 70.4MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4116.42ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 69.5MB in the beginning and 248.4MB in the end (delta: -178.9MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. * Witness Printer took 65.04ms. Allocated memory is still 436.2MB. Free memory was 248.4MB in the beginning and 240.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: 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, 421 locations, 21 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: 4.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 265 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 174 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 924 IncrementalHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 174 mSolverCounterUnsat, 24 mSDtfsCounter, 924 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=565occurred 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, 1.7s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 610 ConstructedInterpolants, 0 QuantifiedInterpolants, 1074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:32:12,846 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