./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/03-practical_08-nonterm1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/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/03-practical_08-nonterm1.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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '68241c415e195cda32e2ec49a31f5c0e3a220e5729b169fd07b350b195e62294'] 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/03-practical_08-nonterm1.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 68241c415e195cda32e2ec49a31f5c0e3a220e5729b169fd07b350b195e62294 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:33:33,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:33:34,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:33:34,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:33:34,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:33:34,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:33:34,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:33:34,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:33:34,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:33:34,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:33:34,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:33:34,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:33:34,086 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:33:34,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:33:34,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:33:34,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:33:34,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:33:34,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:33:34,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:33:34,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:33:34,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:33:34,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:33:34,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:33:34,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:33:34,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:33:34,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:33:34,091 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 -> 68241c415e195cda32e2ec49a31f5c0e3a220e5729b169fd07b350b195e62294 [2024-11-07 15:33:34,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:33:34,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:33:34,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:33:34,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:33:34,340 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:33:34,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/03-practical_08-nonterm1.i [2024-11-07 15:33:35,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:33:35,629 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) [2024-11-07 15:33:35,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:33:35,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/03-practical_08-nonterm1.i [2024-11-07 15:33:35,840 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9836a7b0/819d56b9a08a47aa99dcaef102c10507/FLAG8350cda3a [2024-11-07 15:33:35,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9836a7b0/819d56b9a08a47aa99dcaef102c10507 [2024-11-07 15:33:35,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:33:35,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:33:35,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:33:35,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:33:35,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:33:35,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:33:35" (1/1) ... [2024-11-07 15:33:35,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6830fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:35, skipping insertion in model container [2024-11-07 15:33:35,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:33:35" (1/1) ... [2024-11-07 15:33:35,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:33:36,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:33:36,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:33:36,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:33:36,238 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:33:36,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36 WrapperNode [2024-11-07 15:33:36,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:33:36,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:33:36,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:33:36,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:33:36,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,280 INFO L138 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-11-07 15:33:36,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:33:36,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:33:36,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:33:36,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:33:36,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:33:36,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:33:36,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:33:36,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:33:36,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (1/1) ... [2024-11-07 15:33:36,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:33:36,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:33:36,339 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) [2024-11-07 15:33:36,342 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 [2024-11-07 15:33:36,361 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:33:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:33:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:33:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:33:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:33:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:33:36,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:33:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:33:36,364 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 15:33:36,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:33:36,495 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:33:36,637 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:33:36,638 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:33:36,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:33:36,658 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 15:33:36,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:33:36 BoogieIcfgContainer [2024-11-07 15:33:36,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:33:36,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:33:36,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:33:36,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:33:36,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:33:35" (1/3) ... [2024-11-07 15:33:36,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c75d50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:33:36, skipping insertion in model container [2024-11-07 15:33:36,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:33:36" (2/3) ... [2024-11-07 15:33:36,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c75d50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:33:36, skipping insertion in model container [2024-11-07 15:33:36,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:33:36" (3/3) ... [2024-11-07 15:33:36,667 INFO L112 eAbstractionObserver]: Analyzing ICFG 03-practical_08-nonterm1.i [2024-11-07 15:33:36,678 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:33:36,679 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-07 15:33:36,679 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:33:36,735 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 15:33:36,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 90 transitions, 187 flow [2024-11-07 15:33:36,794 INFO L124 PetriNetUnfolderBase]: 2/89 cut-off events. [2024-11-07 15:33:36,798 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:33:36,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 89 events. 2/89 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-07 15:33:36,803 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 90 transitions, 187 flow [2024-11-07 15:33:36,806 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 83 transitions, 172 flow [2024-11-07 15:33:36,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:33:36,824 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;@6914651d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:33:36,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-07 15:33:36,833 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:33:36,833 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-07 15:33:36,833 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:33:36,833 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:33:36,834 INFO L204 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] [2024-11-07 15:33:36,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-07 15:33:36,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:33:36,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2029843217, now seen corresponding path program 1 times [2024-11-07 15:33:36,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:33:36,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855236099] [2024-11-07 15:33:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:36,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:33:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:33:37,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:33:37,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:33:37,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855236099] [2024-11-07 15:33:37,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855236099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:33:37,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:33:37,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:33:37,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399555974] [2024-11-07 15:33:37,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:33:37,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:33:37,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:33:37,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:33:37,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:33:37,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 90 [2024-11-07 15:33:37,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 83 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2024-11-07 15:33:37,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:33:37,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 90 [2024-11-07 15:33:37,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:33:37,264 INFO L124 PetriNetUnfolderBase]: 74/356 cut-off events. [2024-11-07 15:33:37,264 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:33:37,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 356 events. 74/356 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1606 event pairs, 27 based on Foata normal form. 8/328 useless extension candidates. Maximal degree in co-relation 494. Up to 89 conditions per place. [2024-11-07 15:33:37,269 INFO L140 encePairwiseOnDemand]: 76/90 looper letters, 25 selfloop transitions, 9 changer transitions 0/89 dead transitions. [2024-11-07 15:33:37,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 89 transitions, 249 flow [2024-11-07 15:33:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:33:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:33:37,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2024-11-07 15:33:37,284 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8740740740740741 [2024-11-07 15:33:37,285 INFO L175 Difference]: Start difference. First operand has 85 places, 83 transitions, 172 flow. Second operand 3 states and 236 transitions. [2024-11-07 15:33:37,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 89 transitions, 249 flow [2024-11-07 15:33:37,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 89 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:33:37,295 INFO L231 Difference]: Finished difference. Result has 80 places, 83 transitions, 228 flow [2024-11-07 15:33:37,299 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=80, PETRI_TRANSITIONS=83} [2024-11-07 15:33:37,301 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -5 predicate places. [2024-11-07 15:33:37,303 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 83 transitions, 228 flow [2024-11-07 15:33:37,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2024-11-07 15:33:37,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:33:37,304 INFO L204 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] [2024-11-07 15:33:37,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:33:37,305 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-07 15:33:37,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:33:37,306 INFO L85 PathProgramCache]: Analyzing trace with hash 70907826, now seen corresponding path program 1 times [2024-11-07 15:33:37,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:33:37,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068498968] [2024-11-07 15:33:37,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:37,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:33:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:33:37,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:33:37,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:33:37,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068498968] [2024-11-07 15:33:37,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068498968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:33:37,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:33:37,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:33:37,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059774539] [2024-11-07 15:33:37,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:33:37,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:33:37,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:33:37,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:33:37,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:33:37,441 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 90 [2024-11-07 15:33:37,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 83 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2024-11-07 15:33:37,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:33:37,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 90 [2024-11-07 15:33:37,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:33:37,535 INFO L124 PetriNetUnfolderBase]: 81/390 cut-off events. [2024-11-07 15:33:37,536 INFO L125 PetriNetUnfolderBase]: For 161/168 co-relation queries the response was YES. [2024-11-07 15:33:37,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 390 events. 81/390 cut-off events. For 161/168 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1842 event pairs, 36 based on Foata normal form. 4/365 useless extension candidates. Maximal degree in co-relation 693. Up to 143 conditions per place. [2024-11-07 15:33:37,539 INFO L140 encePairwiseOnDemand]: 84/90 looper letters, 23 selfloop transitions, 7 changer transitions 0/90 dead transitions. [2024-11-07 15:33:37,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 90 transitions, 312 flow [2024-11-07 15:33:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:33:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:33:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2024-11-07 15:33:37,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8555555555555555 [2024-11-07 15:33:37,541 INFO L175 Difference]: Start difference. First operand has 80 places, 83 transitions, 228 flow. Second operand 3 states and 231 transitions. [2024-11-07 15:33:37,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 90 transitions, 312 flow [2024-11-07 15:33:37,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 90 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:33:37,546 INFO L231 Difference]: Finished difference. Result has 82 places, 88 transitions, 266 flow [2024-11-07 15:33:37,546 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=82, PETRI_TRANSITIONS=88} [2024-11-07 15:33:37,547 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -3 predicate places. [2024-11-07 15:33:37,548 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 88 transitions, 266 flow [2024-11-07 15:33:37,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2024-11-07 15:33:37,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:33:37,548 INFO L204 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] [2024-11-07 15:33:37,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:33:37,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-07 15:33:37,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:33:37,549 INFO L85 PathProgramCache]: Analyzing trace with hash 847630780, now seen corresponding path program 1 times [2024-11-07 15:33:37,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:33:37,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818571551] [2024-11-07 15:33:37,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:37,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:33:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:33:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:33:37,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:33:37,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818571551] [2024-11-07 15:33:37,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818571551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:33:37,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:33:37,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:33:37,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145445705] [2024-11-07 15:33:37,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:33:37,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:33:37,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:33:37,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:33:37,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:33:37,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 90 [2024-11-07 15:33:37,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 88 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2024-11-07 15:33:37,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:33:37,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 90 [2024-11-07 15:33:37,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:33:37,693 INFO L124 PetriNetUnfolderBase]: 127/522 cut-off events. [2024-11-07 15:33:37,694 INFO L125 PetriNetUnfolderBase]: For 239/248 co-relation queries the response was YES. [2024-11-07 15:33:37,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1032 conditions, 522 events. 127/522 cut-off events. For 239/248 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2703 event pairs, 45 based on Foata normal form. 5/481 useless extension candidates. Maximal degree in co-relation 999. Up to 198 conditions per place. [2024-11-07 15:33:37,700 INFO L140 encePairwiseOnDemand]: 82/90 looper letters, 26 selfloop transitions, 12 changer transitions 1/100 dead transitions. [2024-11-07 15:33:37,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 100 transitions, 388 flow [2024-11-07 15:33:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:33:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:33:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 230 transitions. [2024-11-07 15:33:37,702 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2024-11-07 15:33:37,702 INFO L175 Difference]: Start difference. First operand has 82 places, 88 transitions, 266 flow. Second operand 3 states and 230 transitions. [2024-11-07 15:33:37,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 100 transitions, 388 flow [2024-11-07 15:33:37,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 100 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:33:37,705 INFO L231 Difference]: Finished difference. Result has 84 places, 96 transitions, 350 flow [2024-11-07 15:33:37,705 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=84, PETRI_TRANSITIONS=96} [2024-11-07 15:33:37,706 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -1 predicate places. [2024-11-07 15:33:37,706 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 96 transitions, 350 flow [2024-11-07 15:33:37,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2024-11-07 15:33:37,706 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:33:37,707 INFO L204 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] [2024-11-07 15:33:37,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:33:37,707 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-07 15:33:37,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:33:37,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1124426326, now seen corresponding path program 1 times [2024-11-07 15:33:37,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:33:37,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106249624] [2024-11-07 15:33:37,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:37,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:33:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:33:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:33:37,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:33:37,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106249624] [2024-11-07 15:33:37,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106249624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:33:37,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:33:37,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:33:37,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626154569] [2024-11-07 15:33:37,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:33:37,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:33:37,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:33:37,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:33:37,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:33:37,845 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 90 [2024-11-07 15:33:37,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 96 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2024-11-07 15:33:37,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:33:37,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 90 [2024-11-07 15:33:37,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:33:37,876 INFO L124 PetriNetUnfolderBase]: 31/234 cut-off events. [2024-11-07 15:33:37,876 INFO L125 PetriNetUnfolderBase]: For 80/84 co-relation queries the response was YES. [2024-11-07 15:33:37,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 234 events. 31/234 cut-off events. For 80/84 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 892 event pairs, 5 based on Foata normal form. 2/221 useless extension candidates. Maximal degree in co-relation 384. Up to 36 conditions per place. [2024-11-07 15:33:37,877 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 4 selfloop transitions, 5 changer transitions 2/86 dead transitions. [2024-11-07 15:33:37,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 86 transitions, 292 flow [2024-11-07 15:33:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:33:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:33:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2024-11-07 15:33:37,879 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2024-11-07 15:33:37,879 INFO L175 Difference]: Start difference. First operand has 84 places, 96 transitions, 350 flow. Second operand 3 states and 250 transitions. [2024-11-07 15:33:37,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 86 transitions, 292 flow [2024-11-07 15:33:37,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 86 transitions, 260 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-11-07 15:33:37,882 INFO L231 Difference]: Finished difference. Result has 80 places, 83 transitions, 242 flow [2024-11-07 15:33:37,883 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=80, PETRI_TRANSITIONS=83} [2024-11-07 15:33:37,884 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -5 predicate places. [2024-11-07 15:33:37,884 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 83 transitions, 242 flow [2024-11-07 15:33:37,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2024-11-07 15:33:37,884 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:33:37,884 INFO L204 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] [2024-11-07 15:33:37,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:33:37,885 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-07 15:33:37,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:33:37,885 INFO L85 PathProgramCache]: Analyzing trace with hash 814092668, now seen corresponding path program 1 times [2024-11-07 15:33:37,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:33:37,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370927024] [2024-11-07 15:33:37,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:37,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:33:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:33:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:33:37,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:33:37,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370927024] [2024-11-07 15:33:37,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370927024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:33:37,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:33:37,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:33:37,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969811468] [2024-11-07 15:33:37,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:33:37,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:33:37,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:33:37,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:33:37,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:33:37,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 90 [2024-11-07 15:33:37,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 83 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2024-11-07 15:33:37,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:33:37,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 90 [2024-11-07 15:33:37,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:33:38,032 INFO L124 PetriNetUnfolderBase]: 69/310 cut-off events. [2024-11-07 15:33:38,033 INFO L125 PetriNetUnfolderBase]: For 145/149 co-relation queries the response was YES. [2024-11-07 15:33:38,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 310 events. 69/310 cut-off events. For 145/149 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1303 event pairs, 24 based on Foata normal form. 1/296 useless extension candidates. Maximal degree in co-relation 623. Up to 116 conditions per place. [2024-11-07 15:33:38,034 INFO L140 encePairwiseOnDemand]: 84/90 looper letters, 20 selfloop transitions, 7 changer transitions 6/90 dead transitions. [2024-11-07 15:33:38,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 90 transitions, 334 flow [2024-11-07 15:33:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:33:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:33:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-11-07 15:33:38,035 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.837037037037037 [2024-11-07 15:33:38,035 INFO L175 Difference]: Start difference. First operand has 80 places, 83 transitions, 242 flow. Second operand 3 states and 226 transitions. [2024-11-07 15:33:38,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 90 transitions, 334 flow [2024-11-07 15:33:38,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 90 transitions, 334 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:33:38,037 INFO L231 Difference]: Finished difference. Result has 84 places, 83 transitions, 278 flow [2024-11-07 15:33:38,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=84, PETRI_TRANSITIONS=83} [2024-11-07 15:33:38,038 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -1 predicate places. [2024-11-07 15:33:38,038 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 83 transitions, 278 flow [2024-11-07 15:33:38,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2024-11-07 15:33:38,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:33:38,039 INFO L204 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] [2024-11-07 15:33:38,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:33:38,039 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-07 15:33:38,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:33:38,039 INFO L85 PathProgramCache]: Analyzing trace with hash 391859730, now seen corresponding path program 1 times [2024-11-07 15:33:38,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:33:38,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566385619] [2024-11-07 15:33:38,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:38,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:33:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 15:33:38,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 15:33:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 15:33:38,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 15:33:38,101 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 15:33:38,102 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2024-11-07 15:33:38,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2024-11-07 15:33:38,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-11-07 15:33:38,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-11-07 15:33:38,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 12 remaining) [2024-11-07 15:33:38,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-11-07 15:33:38,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-11-07 15:33:38,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2024-11-07 15:33:38,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-11-07 15:33:38,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-11-07 15:33:38,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-11-07 15:33:38,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-11-07 15:33:38,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:33:38,107 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-07 15:33:38,152 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:33:38,153 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:33:38,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:33:38 BasicIcfg [2024-11-07 15:33:38,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:33:38,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:33:38,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:33:38,160 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:33:38,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:33:36" (3/4) ... [2024-11-07 15:33:38,162 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-07 15:33:38,204 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:33:38,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:33:38,207 INFO L158 Benchmark]: Toolchain (without parser) took 2349.33ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 54.7MB in the end (delta: 20.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-07 15:33:38,207 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:33:38,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.67ms. Allocated memory is still 100.7MB. Free memory was 75.3MB in the beginning and 47.6MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 15:33:38,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.88ms. Allocated memory is still 100.7MB. Free memory was 47.6MB in the beginning and 45.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:33:38,208 INFO L158 Benchmark]: Boogie Preprocessor took 24.80ms. Allocated memory is still 100.7MB. Free memory was 45.6MB in the beginning and 44.6MB in the end (delta: 982.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:33:38,208 INFO L158 Benchmark]: RCFGBuilder took 352.65ms. Allocated memory is still 100.7MB. Free memory was 44.5MB in the beginning and 68.1MB in the end (delta: -23.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-07 15:33:38,208 INFO L158 Benchmark]: TraceAbstraction took 1498.60ms. Allocated memory is still 100.7MB. Free memory was 67.4MB in the beginning and 59.6MB in the end (delta: 7.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-07 15:33:38,208 INFO L158 Benchmark]: Witness Printer took 46.93ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 54.7MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:33:38,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.67ms. Allocated memory is still 100.7MB. Free memory was 75.3MB in the beginning and 47.6MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.88ms. Allocated memory is still 100.7MB. Free memory was 47.6MB in the beginning and 45.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.80ms. Allocated memory is still 100.7MB. Free memory was 45.6MB in the beginning and 44.6MB in the end (delta: 982.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.65ms. Allocated memory is still 100.7MB. Free memory was 44.5MB in the beginning and 68.1MB in the end (delta: -23.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1498.60ms. Allocated memory is still 100.7MB. Free memory was 67.4MB in the beginning and 59.6MB in the end (delta: 7.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Witness Printer took 46.93ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 54.7MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 924]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int myglobal; VAL [myglobal=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L936] 0 pthread_t id; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L937] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id=-1, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] EXPR 1 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] 1 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1] [L932] CALL 1 fun() [L922] 1 int i = __VERIFIER_nondet_int(); VAL [i=0, mutex1={1:0}, mutex2={2:0}, myglobal=1] [L939] EXPR 0 myglobal+1 VAL [id=-1, mutex1={1:0}, mutex2={2:0}, myglobal=1] [L939] 0 myglobal=myglobal+1 VAL [id=-1, mutex1={1:0}, mutex2={2:0}, myglobal=2] [L924] 1 myglobal+1 VAL [i=0, mutex1={1:0}, mutex2={2:0}, myglobal=2] [L939] 0 myglobal=myglobal+1 VAL [id=-1, mutex1={1:0}, mutex2={2:0}, myglobal=2] [L924] 1 myglobal+1 VAL [i=0, mutex1={1:0}, mutex2={2:0}, myglobal=2] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [939] and C: myglobal+1 [924] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 942]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 937]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 129 locations, 12 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: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 235 IncrementalHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 10 mSDtfsCounter, 235 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 0.3s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-07 15:33:38,231 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE