./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 8e1d82fed86a5c366ca9659df8e80fec385ba20e3fda90b82632bed235e9c8ce --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:10:15,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:10:15,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:10:15,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:10:15,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:10:15,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:10:15,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:10:15,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:10:15,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:10:15,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:10:15,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:10:15,122 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:15,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:15,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:10:15,122 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:10:15,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:10:15,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:10:15,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:10:15,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:10:15,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:10:15,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:10:15,123 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/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 -> 8e1d82fed86a5c366ca9659df8e80fec385ba20e3fda90b82632bed235e9c8ce [2025-04-29 11:10:15,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:10:15,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:10:15,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:10:15,344 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:10:15,344 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:10:15,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.c [2025-04-29 11:10:16,621 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/737135da9/a7bf0ed1c5164fb386e8d94fcbb71955/FLAG2e175424e [2025-04-29 11:10:16,630 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-04-29 11:10:16,821 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:10:16,822 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.c [2025-04-29 11:10:16,824 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:16,824 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:16,838 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/737135da9/a7bf0ed1c5164fb386e8d94fcbb71955/FLAG2e175424e [2025-04-29 11:10:17,671 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/737135da9/a7bf0ed1c5164fb386e8d94fcbb71955 [2025-04-29 11:10:17,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:10:17,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:10:17,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:10:17,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:10:17,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:10:17,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e7417d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17, skipping insertion in model container [2025-04-29 11:10:17,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,687 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:10:17,807 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:10:17,813 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:10:17,830 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:10:17,845 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:10:17,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17 WrapperNode [2025-04-29 11:10:17,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:10:17,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:10:17,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:10:17,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:10:17,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,869 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2025-04-29 11:10:17,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:10:17,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:10:17,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:10:17,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:10:17,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,880 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:10:17,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:10:17,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:10:17,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:10:17,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (1/1) ... [2025-04-29 11:10:17,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:17,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:10:17,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 11:10:17,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 11:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-29 11:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-29 11:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-29 11:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-29 11:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:10:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:10:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-29 11:10:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-29 11:10:17,928 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-29 11:10:17,984 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:10:17,985 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:10:18,125 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:10:18,125 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:10:18,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:10:18,146 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-29 11:10:18,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:18 BoogieIcfgContainer [2025-04-29 11:10:18,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:10:18,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:10:18,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:10:18,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:10:18,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:10:17" (1/3) ... [2025-04-29 11:10:18,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6812b11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:10:18, skipping insertion in model container [2025-04-29 11:10:18,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:17" (2/3) ... [2025-04-29 11:10:18,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6812b11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:10:18, skipping insertion in model container [2025-04-29 11:10:18,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:18" (3/3) ... [2025-04-29 11:10:18,154 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.c [2025-04-29 11:10:18,164 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:10:18,169 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_38-traces-ex-4-switch_true.c that has 2 procedures, 70 locations, 69 edges, 1 initial locations, 0 loop locations, and 3 error locations. [2025-04-29 11:10:18,169 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:10:18,210 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-29 11:10:18,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 70 transitions, 144 flow [2025-04-29 11:10:18,263 INFO L116 PetriNetUnfolderBase]: 1/69 cut-off events. [2025-04-29 11:10:18,266 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:10:18,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 69 events. 1/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2025-04-29 11:10:18,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 70 transitions, 144 flow [2025-04-29 11:10:18,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 69 transitions, 141 flow [2025-04-29 11:10:18,278 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:10:18,285 INFO L340 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;@225275e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:10:18,285 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-04-29 11:10:18,296 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:10:18,297 INFO L116 PetriNetUnfolderBase]: 0/30 cut-off events. [2025-04-29 11:10:18,297 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:10:18,298 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:18,299 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] [2025-04-29 11:10:18,299 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:18,303 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1287211463, now seen corresponding path program 1 times [2025-04-29 11:10:18,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:18,309 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622645885] [2025-04-29 11:10:18,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:18,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:18,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-29 11:10:18,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-29 11:10:18,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:18,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:18,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:18,441 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622645885] [2025-04-29 11:10:18,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622645885] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:18,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:18,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:18,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114403491] [2025-04-29 11:10:18,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:18,447 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:18,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:18,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:18,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:18,486 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 70 [2025-04-29 11:10:18,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2025-04-29 11:10:18,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:18,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 70 [2025-04-29 11:10:18,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:18,633 INFO L116 PetriNetUnfolderBase]: 67/407 cut-off events. [2025-04-29 11:10:18,634 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:10:18,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 407 events. 67/407 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2196 event pairs, 20 based on Foata normal form. 15/388 useless extension candidates. Maximal degree in co-relation 550. Up to 95 conditions per place. [2025-04-29 11:10:18,639 INFO L140 encePairwiseOnDemand]: 64/70 looper letters, 21 selfloop transitions, 4 changer transitions 2/78 dead transitions. [2025-04-29 11:10:18,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 78 transitions, 213 flow [2025-04-29 11:10:18,641 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2025-04-29 11:10:18,650 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8857142857142857 [2025-04-29 11:10:18,653 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 141 flow. Second operand 3 states and 186 transitions. [2025-04-29 11:10:18,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 78 transitions, 213 flow [2025-04-29 11:10:18,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 78 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-29 11:10:18,661 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 166 flow [2025-04-29 11:10:18,663 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2025-04-29 11:10:18,667 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 2 predicate places. [2025-04-29 11:10:18,668 INFO L485 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 166 flow [2025-04-29 11:10:18,668 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2025-04-29 11:10:18,668 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:18,669 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:18,669 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:10:18,670 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:18,670 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:18,670 INFO L85 PathProgramCache]: Analyzing trace with hash -543578283, now seen corresponding path program 1 times [2025-04-29 11:10:18,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:18,671 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041178727] [2025-04-29 11:10:18,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:18,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:18,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-29 11:10:18,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-29 11:10:18,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:18,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:18,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:18,734 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041178727] [2025-04-29 11:10:18,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041178727] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:18,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:18,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:18,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223406132] [2025-04-29 11:10:18,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:18,735 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:18,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:18,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:18,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:18,753 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 70 [2025-04-29 11:10:18,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2025-04-29 11:10:18,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:18,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 70 [2025-04-29 11:10:18,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:18,843 INFO L116 PetriNetUnfolderBase]: 82/435 cut-off events. [2025-04-29 11:10:18,843 INFO L117 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2025-04-29 11:10:18,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 435 events. 82/435 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2438 event pairs, 55 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 677. Up to 162 conditions per place. [2025-04-29 11:10:18,848 INFO L140 encePairwiseOnDemand]: 65/70 looper letters, 22 selfloop transitions, 5 changer transitions 0/77 dead transitions. [2025-04-29 11:10:18,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 77 transitions, 238 flow [2025-04-29 11:10:18,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:18,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:18,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2025-04-29 11:10:18,850 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2025-04-29 11:10:18,851 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 166 flow. Second operand 3 states and 176 transitions. [2025-04-29 11:10:18,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 77 transitions, 238 flow [2025-04-29 11:10:18,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 77 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:18,854 INFO L231 Difference]: Finished difference. Result has 76 places, 73 transitions, 194 flow [2025-04-29 11:10:18,854 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=76, PETRI_TRANSITIONS=73} [2025-04-29 11:10:18,854 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 4 predicate places. [2025-04-29 11:10:18,854 INFO L485 AbstractCegarLoop]: Abstraction has has 76 places, 73 transitions, 194 flow [2025-04-29 11:10:18,855 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2025-04-29 11:10:18,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:18,855 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] [2025-04-29 11:10:18,855 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:10:18,855 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:18,855 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:18,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1299904843, now seen corresponding path program 1 times [2025-04-29 11:10:18,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:18,855 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527598968] [2025-04-29 11:10:18,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:18,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:18,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-29 11:10:18,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-29 11:10:18,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:18,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:18,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:18,997 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527598968] [2025-04-29 11:10:18,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527598968] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:18,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:18,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 11:10:18,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216357140] [2025-04-29 11:10:18,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:18,998 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:18,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:18,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:18,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:19,003 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 70 [2025-04-29 11:10:19,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 73 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2025-04-29 11:10:19,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:19,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 70 [2025-04-29 11:10:19,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:19,065 INFO L116 PetriNetUnfolderBase]: 27/299 cut-off events. [2025-04-29 11:10:19,065 INFO L117 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-04-29 11:10:19,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 299 events. 27/299 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1402 event pairs, 14 based on Foata normal form. 3/289 useless extension candidates. Maximal degree in co-relation 409. Up to 63 conditions per place. [2025-04-29 11:10:19,067 INFO L140 encePairwiseOnDemand]: 63/70 looper letters, 11 selfloop transitions, 6 changer transitions 3/77 dead transitions. [2025-04-29 11:10:19,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 77 transitions, 228 flow [2025-04-29 11:10:19,068 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2025-04-29 11:10:19,069 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2025-04-29 11:10:19,069 INFO L175 Difference]: Start difference. First operand has 76 places, 73 transitions, 194 flow. Second operand 3 states and 190 transitions. [2025-04-29 11:10:19,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 77 transitions, 228 flow [2025-04-29 11:10:19,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 77 transitions, 212 flow, removed 2 selfloop flow, removed 4 redundant places. [2025-04-29 11:10:19,071 INFO L231 Difference]: Finished difference. Result has 74 places, 71 transitions, 184 flow [2025-04-29 11:10:19,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=74, PETRI_TRANSITIONS=71} [2025-04-29 11:10:19,074 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 2 predicate places. [2025-04-29 11:10:19,074 INFO L485 AbstractCegarLoop]: Abstraction has has 74 places, 71 transitions, 184 flow [2025-04-29 11:10:19,074 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2025-04-29 11:10:19,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:19,074 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:19,075 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:10:19,075 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:19,076 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:19,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1404158130, now seen corresponding path program 1 times [2025-04-29 11:10:19,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:19,076 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288373393] [2025-04-29 11:10:19,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:19,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:19,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-29 11:10:19,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-29 11:10:19,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:19,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:19,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:19,114 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288373393] [2025-04-29 11:10:19,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288373393] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:19,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:19,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:19,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414332619] [2025-04-29 11:10:19,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:19,115 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:19,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:19,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:19,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:19,133 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 70 [2025-04-29 11:10:19,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2025-04-29 11:10:19,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:19,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 70 [2025-04-29 11:10:19,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:19,186 INFO L116 PetriNetUnfolderBase]: 50/344 cut-off events. [2025-04-29 11:10:19,186 INFO L117 PetriNetUnfolderBase]: For 83/88 co-relation queries the response was YES. [2025-04-29 11:10:19,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 344 events. 50/344 cut-off events. For 83/88 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1749 event pairs, 29 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 584. Up to 108 conditions per place. [2025-04-29 11:10:19,188 INFO L140 encePairwiseOnDemand]: 65/70 looper letters, 18 selfloop transitions, 4 changer transitions 8/78 dead transitions. [2025-04-29 11:10:19,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 78 transitions, 266 flow [2025-04-29 11:10:19,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2025-04-29 11:10:19,189 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2025-04-29 11:10:19,189 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 184 flow. Second operand 3 states and 176 transitions. [2025-04-29 11:10:19,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 78 transitions, 266 flow [2025-04-29 11:10:19,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 78 transitions, 256 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-04-29 11:10:19,191 INFO L231 Difference]: Finished difference. Result has 77 places, 68 transitions, 186 flow [2025-04-29 11:10:19,191 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=77, PETRI_TRANSITIONS=68} [2025-04-29 11:10:19,192 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2025-04-29 11:10:19,192 INFO L485 AbstractCegarLoop]: Abstraction has has 77 places, 68 transitions, 186 flow [2025-04-29 11:10:19,192 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2025-04-29 11:10:19,192 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:19,192 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] [2025-04-29 11:10:19,192 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-29 11:10:19,192 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:19,194 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:19,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1270823414, now seen corresponding path program 1 times [2025-04-29 11:10:19,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:19,194 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731829876] [2025-04-29 11:10:19,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:19,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:19,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-29 11:10:19,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-29 11:10:19,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:19,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:19,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:19,383 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731829876] [2025-04-29 11:10:19,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731829876] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:19,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:19,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-29 11:10:19,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814942873] [2025-04-29 11:10:19,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:19,385 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-29 11:10:19,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:19,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-29 11:10:19,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-29 11:10:19,396 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 70 [2025-04-29 11:10:19,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 186 flow. Second operand has 5 states, 5 states have (on average 56.8) internal successors, (284), 5 states have internal predecessors, (284), 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) [2025-04-29 11:10:19,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:19,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 70 [2025-04-29 11:10:19,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:19,441 INFO L116 PetriNetUnfolderBase]: 2/109 cut-off events. [2025-04-29 11:10:19,441 INFO L117 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-04-29 11:10:19,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 109 events. 2/109 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 192 event pairs, 0 based on Foata normal form. 5/112 useless extension candidates. Maximal degree in co-relation 151. Up to 13 conditions per place. [2025-04-29 11:10:19,442 INFO L140 encePairwiseOnDemand]: 63/70 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2025-04-29 11:10:19,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 61 transitions, 190 flow [2025-04-29 11:10:19,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-29 11:10:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-29 11:10:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 291 transitions. [2025-04-29 11:10:19,443 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8314285714285714 [2025-04-29 11:10:19,443 INFO L175 Difference]: Start difference. First operand has 77 places, 68 transitions, 186 flow. Second operand 5 states and 291 transitions. [2025-04-29 11:10:19,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 61 transitions, 190 flow [2025-04-29 11:10:19,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 61 transitions, 167 flow, removed 3 selfloop flow, removed 5 redundant places. [2025-04-29 11:10:19,444 INFO L231 Difference]: Finished difference. Result has 68 places, 0 transitions, 0 flow [2025-04-29 11:10:19,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=68, PETRI_TRANSITIONS=0} [2025-04-29 11:10:19,445 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, -4 predicate places. [2025-04-29 11:10:19,445 INFO L485 AbstractCegarLoop]: Abstraction has has 68 places, 0 transitions, 0 flow [2025-04-29 11:10:19,445 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.8) internal successors, (284), 5 states have internal predecessors, (284), 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) [2025-04-29 11:10:19,447 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-04-29 11:10:19,447 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-04-29 11:10:19,447 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-04-29 11:10:19,447 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-04-29 11:10:19,448 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-04-29 11:10:19,448 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-04-29 11:10:19,448 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-29 11:10:19,448 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-04-29 11:10:19,453 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:10:19,453 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:10:19,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:10:19 BasicIcfg [2025-04-29 11:10:19,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:10:19,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:10:19,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:10:19,458 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:10:19,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:18" (3/4) ... [2025-04-29 11:10:19,460 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:10:19,462 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-29 11:10:19,465 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-04-29 11:10:19,465 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:10:19,465 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:10:19,520 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:10:19,520 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:10:19,520 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:10:19,520 INFO L158 Benchmark]: Toolchain (without parser) took 1846.19ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 81.8MB in the end (delta: 26.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2025-04-29 11:10:19,521 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:19,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.87ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 94.4MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:10:19,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.30ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 92.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:10:19,521 INFO L158 Benchmark]: Boogie Preprocessor took 13.90ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:19,521 INFO L158 Benchmark]: RCFGBuilder took 261.58ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 78.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:10:19,521 INFO L158 Benchmark]: TraceAbstraction took 1309.27ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 86.6MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:19,521 INFO L158 Benchmark]: Witness Printer took 61.67ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 81.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:10:19,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.87ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 94.4MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.30ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 92.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.90ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.58ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 78.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1309.27ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 86.6MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.67ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 81.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 37]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 22]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 25]: 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, 99 locations, 98 edges, 6 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: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 15 mSDtfsCounter, 186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:10:19,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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