./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i --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/goblint-regression/28-race_reach_45-escape_racing.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:27:36,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:27:37,022 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:27:37,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:27:37,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:27:37,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:27:37,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:27:37,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:27:37,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:27:37,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:27:37,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:27:37,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:27:37,045 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:27:37,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:27:37,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:27:37,045 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:27:37,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:27:37,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:27:37,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:27:37,047 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:27:37,047 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:27:37,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:27:37,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:27:37,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:27:37,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:27:37,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:27:37,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:27:37,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:27:37,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:27:37,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:27:37,048 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 -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf [2025-01-09 21:27:37,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:27:37,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:27:37,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:27:37,293 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:27:37,294 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:27:37,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2025-01-09 21:27:38,594 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ec38331dc/8c5c5c9337ac41619172744e89712df3/FLAGe1d42b084 [2025-01-09 21:27:38,873 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:27:38,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2025-01-09 21:27:38,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ec38331dc/8c5c5c9337ac41619172744e89712df3/FLAGe1d42b084 [2025-01-09 21:27:38,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ec38331dc/8c5c5c9337ac41619172744e89712df3 [2025-01-09 21:27:38,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:27:38,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:27:38,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:27:38,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:27:38,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:27:38,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:27:38" (1/1) ... [2025-01-09 21:27:38,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4396e14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:38, skipping insertion in model container [2025-01-09 21:27:38,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:27:38" (1/1) ... [2025-01-09 21:27:38,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:27:39,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:27:39,196 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:27:39,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:27:39,265 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:27:39,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39 WrapperNode [2025-01-09 21:27:39,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:27:39,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:27:39,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:27:39,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:27:39,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,294 INFO L138 Inliner]: procedures = 171, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2025-01-09 21:27:39,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:27:39,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:27:39,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:27:39,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:27:39,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,316 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:27:39,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:27:39,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:27:39,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:27:39,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (1/1) ... [2025-01-09 21:27:39,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:27:39,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:27:39,353 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 21:27:39,359 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 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-09 21:27:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-09 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:27:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:27:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:27:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:27:39,373 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 21:27:39,461 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:27:39,462 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:27:39,691 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:27:39,691 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:27:39,713 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:27:39,713 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-09 21:27:39,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:27:39 BoogieIcfgContainer [2025-01-09 21:27:39,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:27:39,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:27:39,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:27:39,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:27:39,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:27:38" (1/3) ... [2025-01-09 21:27:39,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c56d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:27:39, skipping insertion in model container [2025-01-09 21:27:39,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:27:39" (2/3) ... [2025-01-09 21:27:39,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c56d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:27:39, skipping insertion in model container [2025-01-09 21:27:39,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:27:39" (3/3) ... [2025-01-09 21:27:39,723 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2025-01-09 21:27:39,734 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:27:39,737 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_45-escape_racing.i that has 2 procedures, 133 locations, 1 initial locations, 4 loop locations, and 5 error locations. [2025-01-09 21:27:39,737 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:27:39,814 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:27:39,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 142 transitions, 291 flow [2025-01-09 21:27:39,882 INFO L124 PetriNetUnfolderBase]: 10/141 cut-off events. [2025-01-09 21:27:39,884 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:27:39,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 141 events. 10/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 301 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. [2025-01-09 21:27:39,887 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 142 transitions, 291 flow [2025-01-09 21:27:39,890 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 134 transitions, 271 flow [2025-01-09 21:27:39,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:27:39,902 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;@69a58d2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:27:39,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-01-09 21:27:39,919 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:27:39,919 INFO L124 PetriNetUnfolderBase]: 2/77 cut-off events. [2025-01-09 21:27:39,919 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:27:39,919 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:39,919 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] [2025-01-09 21:27:39,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-01-09 21:27:39,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:39,923 INFO L85 PathProgramCache]: Analyzing trace with hash 772282994, now seen corresponding path program 1 times [2025-01-09 21:27:39,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:39,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075745147] [2025-01-09 21:27:39,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:27:39,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:39,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 21:27:40,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 21:27:40,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:27:40,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:40,603 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 21:27:40,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:40,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075745147] [2025-01-09 21:27:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075745147] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:40,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:27:40,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340597061] [2025-01-09 21:27:40,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:40,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:27:40,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:40,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:27:40,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:27:40,862 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 142 [2025-01-09 21:27:40,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 134 transitions, 271 flow. Second operand has 6 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 states have internal predecessors, (616), 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 21:27:40,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:40,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 142 [2025-01-09 21:27:40,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:41,139 INFO L124 PetriNetUnfolderBase]: 202/997 cut-off events. [2025-01-09 21:27:41,139 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:27:41,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 997 events. 202/997 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5943 event pairs, 32 based on Foata normal form. 143/1071 useless extension candidates. Maximal degree in co-relation 1408. Up to 292 conditions per place. [2025-01-09 21:27:41,150 INFO L140 encePairwiseOnDemand]: 118/142 looper letters, 44 selfloop transitions, 37 changer transitions 8/184 dead transitions. [2025-01-09 21:27:41,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 184 transitions, 549 flow [2025-01-09 21:27:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:27:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:27:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 733 transitions. [2025-01-09 21:27:41,165 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8603286384976526 [2025-01-09 21:27:41,168 INFO L175 Difference]: Start difference. First operand has 128 places, 134 transitions, 271 flow. Second operand 6 states and 733 transitions. [2025-01-09 21:27:41,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 184 transitions, 549 flow [2025-01-09 21:27:41,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 184 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:27:41,179 INFO L231 Difference]: Finished difference. Result has 135 places, 158 transitions, 492 flow [2025-01-09 21:27:41,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=135, PETRI_TRANSITIONS=158} [2025-01-09 21:27:41,184 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 7 predicate places. [2025-01-09 21:27:41,185 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 158 transitions, 492 flow [2025-01-09 21:27:41,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 states have internal predecessors, (616), 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 21:27:41,185 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:41,186 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:27:41,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:27:41,186 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-01-09 21:27:41,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:41,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1785871069, now seen corresponding path program 1 times [2025-01-09 21:27:41,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:41,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406512633] [2025-01-09 21:27:41,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:27:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:41,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-09 21:27:41,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-09 21:27:41,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:27:41,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:41,506 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 21:27:41,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:41,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406512633] [2025-01-09 21:27:41,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406512633] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:41,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:41,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:27:41,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356740796] [2025-01-09 21:27:41,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:41,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:27:41,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:41,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:27:41,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:27:41,671 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 142 [2025-01-09 21:27:41,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 158 transitions, 492 flow. Second operand has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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 21:27:41,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:41,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 142 [2025-01-09 21:27:41,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:41,828 INFO L124 PetriNetUnfolderBase]: 211/1001 cut-off events. [2025-01-09 21:27:41,828 INFO L125 PetriNetUnfolderBase]: For 184/190 co-relation queries the response was YES. [2025-01-09 21:27:41,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1776 conditions, 1001 events. 211/1001 cut-off events. For 184/190 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6144 event pairs, 70 based on Foata normal form. 0/961 useless extension candidates. Maximal degree in co-relation 1730. Up to 318 conditions per place. [2025-01-09 21:27:41,833 INFO L140 encePairwiseOnDemand]: 130/142 looper letters, 62 selfloop transitions, 18 changer transitions 0/172 dead transitions. [2025-01-09 21:27:41,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 172 transitions, 680 flow [2025-01-09 21:27:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:27:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:27:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 626 transitions. [2025-01-09 21:27:41,835 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7347417840375586 [2025-01-09 21:27:41,835 INFO L175 Difference]: Start difference. First operand has 135 places, 158 transitions, 492 flow. Second operand 6 states and 626 transitions. [2025-01-09 21:27:41,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 172 transitions, 680 flow [2025-01-09 21:27:41,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 172 transitions, 680 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:27:41,839 INFO L231 Difference]: Finished difference. Result has 138 places, 156 transitions, 524 flow [2025-01-09 21:27:41,840 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=524, PETRI_PLACES=138, PETRI_TRANSITIONS=156} [2025-01-09 21:27:41,840 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 10 predicate places. [2025-01-09 21:27:41,840 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 156 transitions, 524 flow [2025-01-09 21:27:41,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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 21:27:41,841 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:41,841 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] [2025-01-09 21:27:41,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:27:41,841 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-01-09 21:27:41,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:41,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2017698918, now seen corresponding path program 1 times [2025-01-09 21:27:41,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:41,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602387540] [2025-01-09 21:27:41,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:27:41,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:41,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-09 21:27:41,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-09 21:27:41,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:27:41,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:42,074 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 21:27:42,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:42,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602387540] [2025-01-09 21:27:42,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602387540] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:42,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:42,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:27:42,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004629105] [2025-01-09 21:27:42,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:42,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:27:42,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:42,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:27:42,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:27:42,210 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 142 [2025-01-09 21:27:42,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 156 transitions, 524 flow. Second operand has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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 21:27:42,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:42,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 142 [2025-01-09 21:27:42,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:42,454 INFO L124 PetriNetUnfolderBase]: 396/1537 cut-off events. [2025-01-09 21:27:42,454 INFO L125 PetriNetUnfolderBase]: For 523/525 co-relation queries the response was YES. [2025-01-09 21:27:42,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3129 conditions, 1537 events. 396/1537 cut-off events. For 523/525 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10088 event pairs, 207 based on Foata normal form. 0/1465 useless extension candidates. Maximal degree in co-relation 3082. Up to 748 conditions per place. [2025-01-09 21:27:42,473 INFO L140 encePairwiseOnDemand]: 131/142 looper letters, 85 selfloop transitions, 32 changer transitions 0/199 dead transitions. [2025-01-09 21:27:42,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 199 transitions, 914 flow [2025-01-09 21:27:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:27:42,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:27:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 623 transitions. [2025-01-09 21:27:42,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7312206572769953 [2025-01-09 21:27:42,475 INFO L175 Difference]: Start difference. First operand has 138 places, 156 transitions, 524 flow. Second operand 6 states and 623 transitions. [2025-01-09 21:27:42,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 199 transitions, 914 flow [2025-01-09 21:27:42,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 199 transitions, 878 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-09 21:27:42,484 INFO L231 Difference]: Finished difference. Result has 143 places, 183 transitions, 772 flow [2025-01-09 21:27:42,484 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=772, PETRI_PLACES=143, PETRI_TRANSITIONS=183} [2025-01-09 21:27:42,485 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 15 predicate places. [2025-01-09 21:27:42,485 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 183 transitions, 772 flow [2025-01-09 21:27:42,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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 21:27:42,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:42,486 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] [2025-01-09 21:27:42,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:27:42,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-01-09 21:27:42,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:42,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1228497326, now seen corresponding path program 1 times [2025-01-09 21:27:42,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:42,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120421911] [2025-01-09 21:27:42,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:27:42,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:42,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-09 21:27:42,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-09 21:27:42,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:27:42,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:42,667 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 21:27:42,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:42,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120421911] [2025-01-09 21:27:42,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120421911] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:42,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:42,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 21:27:42,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505700049] [2025-01-09 21:27:42,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:42,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:27:42,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:42,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:27:42,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:27:42,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2025-01-09 21:27:42,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 183 transitions, 772 flow. Second operand has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 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 21:27:42,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:42,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2025-01-09 21:27:42,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:42,852 INFO L124 PetriNetUnfolderBase]: 19/404 cut-off events. [2025-01-09 21:27:42,852 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2025-01-09 21:27:42,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 404 events. 19/404 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1409 event pairs, 11 based on Foata normal form. 4/398 useless extension candidates. Maximal degree in co-relation 575. Up to 43 conditions per place. [2025-01-09 21:27:42,853 INFO L140 encePairwiseOnDemand]: 133/142 looper letters, 7 selfloop transitions, 8 changer transitions 10/126 dead transitions. [2025-01-09 21:27:42,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 126 transitions, 368 flow [2025-01-09 21:27:42,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 21:27:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-09 21:27:42,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 607 transitions. [2025-01-09 21:27:42,855 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8549295774647887 [2025-01-09 21:27:42,855 INFO L175 Difference]: Start difference. First operand has 143 places, 183 transitions, 772 flow. Second operand 5 states and 607 transitions. [2025-01-09 21:27:42,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 126 transitions, 368 flow [2025-01-09 21:27:42,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 126 transitions, 305 flow, removed 12 selfloop flow, removed 17 redundant places. [2025-01-09 21:27:42,865 INFO L231 Difference]: Finished difference. Result has 129 places, 114 transitions, 269 flow [2025-01-09 21:27:42,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=269, PETRI_PLACES=129, PETRI_TRANSITIONS=114} [2025-01-09 21:27:42,865 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 1 predicate places. [2025-01-09 21:27:42,865 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 114 transitions, 269 flow [2025-01-09 21:27:42,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 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 21:27:42,866 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:42,869 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:27:42,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:27:42,870 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-01-09 21:27:42,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:42,870 INFO L85 PathProgramCache]: Analyzing trace with hash -772507932, now seen corresponding path program 1 times [2025-01-09 21:27:42,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:42,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535630203] [2025-01-09 21:27:42,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:27:42,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:42,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-09 21:27:42,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-09 21:27:42,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:27:42,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:43,171 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 21:27:43,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:43,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535630203] [2025-01-09 21:27:43,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535630203] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:43,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:43,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:27:43,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404835255] [2025-01-09 21:27:43,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:43,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:27:43,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:43,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:27:43,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:27:43,247 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 142 [2025-01-09 21:27:43,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 114 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 95.5) internal successors, (573), 6 states have internal predecessors, (573), 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 21:27:43,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:43,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 142 [2025-01-09 21:27:43,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:43,341 INFO L124 PetriNetUnfolderBase]: 74/453 cut-off events. [2025-01-09 21:27:43,341 INFO L125 PetriNetUnfolderBase]: For 88/91 co-relation queries the response was YES. [2025-01-09 21:27:43,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 453 events. 74/453 cut-off events. For 88/91 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1847 event pairs, 60 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 788. Up to 216 conditions per place. [2025-01-09 21:27:43,343 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 0 selfloop transitions, 0 changer transitions 121/121 dead transitions. [2025-01-09 21:27:43,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 391 flow [2025-01-09 21:27:43,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:27:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:27:43,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 591 transitions. [2025-01-09 21:27:43,345 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6936619718309859 [2025-01-09 21:27:43,348 INFO L175 Difference]: Start difference. First operand has 129 places, 114 transitions, 269 flow. Second operand 6 states and 591 transitions. [2025-01-09 21:27:43,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 391 flow [2025-01-09 21:27:43,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 121 transitions, 385 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-09 21:27:43,350 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2025-01-09 21:27:43,350 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2025-01-09 21:27:43,350 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, -6 predicate places. [2025-01-09 21:27:43,350 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2025-01-09 21:27:43,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.5) internal successors, (573), 6 states have internal predecessors, (573), 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 21:27:43,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2025-01-09 21:27:43,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2025-01-09 21:27:43,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2025-01-09 21:27:43,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2025-01-09 21:27:43,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2025-01-09 21:27:43,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2025-01-09 21:27:43,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2025-01-09 21:27:43,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2025-01-09 21:27:43,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2025-01-09 21:27:43,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2025-01-09 21:27:43,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:27:43,356 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 21:27:43,361 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:27:43,361 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:27:43,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:27:43 BasicIcfg [2025-01-09 21:27:43,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:27:43,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:27:43,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:27:43,366 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:27:43,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:27:39" (3/4) ... [2025-01-09 21:27:43,367 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:27:43,370 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-01-09 21:27:43,373 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 21:27:43,374 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:27:43,375 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 21:27:43,375 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:27:43,434 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:27:43,434 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:27:43,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:27:43,435 INFO L158 Benchmark]: Toolchain (without parser) took 4534.64ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 132.2MB in the beginning and 175.3MB in the end (delta: -43.1MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. [2025-01-09 21:27:43,435 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:27:43,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.35ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 111.6MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:27:43,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.77ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 109.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:27:43,436 INFO L158 Benchmark]: Boogie Preprocessor took 27.22ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 108.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:27:43,437 INFO L158 Benchmark]: RCFGBuilder took 391.72ms. Allocated memory is still 167.8MB. Free memory was 108.2MB in the beginning and 88.0MB in the end (delta: 20.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:27:43,437 INFO L158 Benchmark]: TraceAbstraction took 3649.47ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 87.5MB in the beginning and 60.7MB in the end (delta: 26.8MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2025-01-09 21:27:43,438 INFO L158 Benchmark]: Witness Printer took 68.69ms. Allocated memory is still 209.7MB. Free memory was 60.7MB in the beginning and 175.3MB in the end (delta: -114.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:27:43,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.35ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 111.6MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.77ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 109.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.22ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 108.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.72ms. Allocated memory is still 167.8MB. Free memory was 108.2MB in the beginning and 88.0MB in the end (delta: 20.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3649.47ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 87.5MB in the beginning and 60.7MB in the end (delta: 26.8MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Witness Printer took 68.69ms. Allocated memory is still 209.7MB. Free memory was 60.7MB in the beginning and 175.3MB in the end (delta: -114.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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 3 procedures, 193 locations, 10 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: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 471 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1183 IncrementalHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 42 mSDtfsCounter, 1183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=772occurred in iteration=3, InterpolantAutomatonStates: 29, 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, 1.5s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:27:43,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE