./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-divine/barrier_3t.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/pthread-divine/barrier_3t.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', '116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc'] 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/pthread-divine/barrier_3t.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 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:32:15,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:32:15,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:32:15,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:32:15,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:32:15,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:32:15,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:32:15,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:32:15,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:32:15,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:32:15,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:32:15,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:32:15,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:32:15,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:32:15,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:32:15,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:32:15,446 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:32:15,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:32:15,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:32:15,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:32:15,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:32:15,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:32:15,446 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 -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc [2024-11-07 15:32:15,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:32:15,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:32:15,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:32:15,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:32:15,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:32:15,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/barrier_3t.i [2024-11-07 15:32:17,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:32:17,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:32:17,349 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-divine/barrier_3t.i [2024-11-07 15:32:17,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c55b3d21a/d8f2003373d74868b245dd952ff32bcb/FLAGd8233ee81 [2024-11-07 15:32:17,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c55b3d21a/d8f2003373d74868b245dd952ff32bcb [2024-11-07 15:32:17,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:32:17,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:32:17,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:32:17,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:32:17,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:32:17,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:17,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45073ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17, skipping insertion in model container [2024-11-07 15:32:17,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:17,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:32:17,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:32:17,789 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:32:17,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:32:17,889 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:32:17,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17 WrapperNode [2024-11-07 15:32:17,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:32:17,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:32:17,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:32:17,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:32:17,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:17,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,010 INFO L138 Inliner]: procedures = 174, calls = 99, calls flagged for inlining = 19, calls inlined = 31, statements flattened = 1059 [2024-11-07 15:32:18,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:32:18,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:32:18,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:32:18,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:32:18,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:32:18,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:32:18,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:32:18,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:32:18,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (1/1) ... [2024-11-07 15:32:18,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:32:18,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:32:18,215 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 15:32:18,218 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 15:32:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:32:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:32:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:32:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2024-11-07 15:32:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2024-11-07 15:32:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:32:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:32:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 15:32:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:32:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 15:32:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:32:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:32:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:32:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:32:18,244 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 15:32:18,433 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:32:18,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:32:20,000 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:32:20,000 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:32:20,088 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:32:20,088 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-07 15:32:20,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:32:20 BoogieIcfgContainer [2024-11-07 15:32:20,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:32:20,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:32:20,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:32:20,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:32:20,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:32:17" (1/3) ... [2024-11-07 15:32:20,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5221919d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:32:20, skipping insertion in model container [2024-11-07 15:32:20,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:17" (2/3) ... [2024-11-07 15:32:20,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5221919d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:32:20, skipping insertion in model container [2024-11-07 15:32:20,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:32:20" (3/3) ... [2024-11-07 15:32:20,106 INFO L112 eAbstractionObserver]: Analyzing ICFG barrier_3t.i [2024-11-07 15:32:20,118 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:32:20,119 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 99 error locations. [2024-11-07 15:32:20,120 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:32:20,374 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 15:32:20,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1120 places, 1210 transitions, 2427 flow [2024-11-07 15:32:21,349 INFO L124 PetriNetUnfolderBase]: 141/1788 cut-off events. [2024-11-07 15:32:21,358 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:32:21,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1793 conditions, 1788 events. 141/1788 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 7055 event pairs, 0 based on Foata normal form. 0/1497 useless extension candidates. Maximal degree in co-relation 1084. Up to 4 conditions per place. [2024-11-07 15:32:21,429 INFO L82 GeneralOperation]: Start removeDead. Operand has 1120 places, 1210 transitions, 2427 flow [2024-11-07 15:32:21,465 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1120 places, 1210 transitions, 2427 flow [2024-11-07 15:32:21,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:32:21,492 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;@6dc5c6b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:32:21,492 INFO L334 AbstractCegarLoop]: Starting to check reachability of 144 error locations. [2024-11-07 15:32:21,503 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:32:21,504 INFO L124 PetriNetUnfolderBase]: 1/53 cut-off events. [2024-11-07 15:32:21,504 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:32:21,504 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:32:21,505 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] [2024-11-07 15:32:21,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] === [2024-11-07 15:32:21,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:32:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1498180254, now seen corresponding path program 1 times [2024-11-07 15:32:21,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:32:21,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312508291] [2024-11-07 15:32:21,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:32:21,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:32:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:32:22,549 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 15:32:22,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:32:22,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312508291] [2024-11-07 15:32:22,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312508291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:32:22,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:32:22,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:32:22,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664142671] [2024-11-07 15:32:22,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:32:22,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:32:22,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:32:22,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:32:22,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:32:24,122 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 862 out of 1210 [2024-11-07 15:32:24,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1120 places, 1210 transitions, 2427 flow. Second operand has 6 states, 6 states have (on average 863.5) internal successors, (5181), 6 states have internal predecessors, (5181), 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 15:32:24,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:32:24,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 862 of 1210 [2024-11-07 15:32:24,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:32:38,207 INFO L124 PetriNetUnfolderBase]: 18617/86563 cut-off events. [2024-11-07 15:32:38,207 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-07 15:32:38,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119861 conditions, 86563 events. 18617/86563 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 1059754 event pairs, 16093 based on Foata normal form. 8306/84296 useless extension candidates. Maximal degree in co-relation 119043. Up to 33288 conditions per place. [2024-11-07 15:32:38,587 INFO L140 encePairwiseOnDemand]: 1138/1210 looper letters, 276 selfloop transitions, 5 changer transitions 3/1120 dead transitions. [2024-11-07 15:32:38,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1101 places, 1120 transitions, 2809 flow [2024-11-07 15:32:38,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:32:38,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:32:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5520 transitions. [2024-11-07 15:32:38,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7603305785123967 [2024-11-07 15:32:38,630 INFO L175 Difference]: Start difference. First operand has 1120 places, 1210 transitions, 2427 flow. Second operand 6 states and 5520 transitions. [2024-11-07 15:32:38,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1101 places, 1120 transitions, 2809 flow [2024-11-07 15:32:38,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1101 places, 1120 transitions, 2809 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:32:38,666 INFO L231 Difference]: Finished difference. Result has 1101 places, 1117 transitions, 2251 flow [2024-11-07 15:32:38,670 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1210, PETRI_DIFFERENCE_MINUEND_FLOW=2247, PETRI_DIFFERENCE_MINUEND_PLACES=1096, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2251, PETRI_PLACES=1101, PETRI_TRANSITIONS=1117} [2024-11-07 15:32:38,677 INFO L277 CegarLoopForPetriNet]: 1120 programPoint places, -19 predicate places. [2024-11-07 15:32:38,677 INFO L471 AbstractCegarLoop]: Abstraction has has 1101 places, 1117 transitions, 2251 flow [2024-11-07 15:32:38,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 863.5) internal successors, (5181), 6 states have internal predecessors, (5181), 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 15:32:38,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:32:38,682 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] [2024-11-07 15:32:38,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:32:38,683 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] === [2024-11-07 15:32:38,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:32:38,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1575025239, now seen corresponding path program 1 times [2024-11-07 15:32:38,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:32:38,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925772276] [2024-11-07 15:32:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:32:38,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:32:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:32:38,777 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 15:32:38,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:32:38,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925772276] [2024-11-07 15:32:38,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925772276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:32:38,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:32:38,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:32:38,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133749479] [2024-11-07 15:32:38,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:32:38,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:32:38,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:32:38,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:32:38,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:32:38,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1108 out of 1210 [2024-11-07 15:32:38,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1101 places, 1117 transitions, 2251 flow. Second operand has 3 states, 3 states have (on average 1109.3333333333333) internal successors, (3328), 3 states have internal predecessors, (3328), 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 15:32:38,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:32:38,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1108 of 1210 [2024-11-07 15:32:38,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:32:40,789 INFO L124 PetriNetUnfolderBase]: 563/9917 cut-off events. [2024-11-07 15:32:40,790 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:32:40,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10542 conditions, 9917 events. 563/9917 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 90822 event pairs, 210 based on Foata normal form. 1/8505 useless extension candidates. Maximal degree in co-relation 10453. Up to 608 conditions per place. [2024-11-07 15:32:40,892 INFO L140 encePairwiseOnDemand]: 1207/1210 looper letters, 35 selfloop transitions, 2 changer transitions 0/1118 dead transitions. [2024-11-07 15:32:40,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1100 places, 1118 transitions, 2327 flow [2024-11-07 15:32:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:32:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:32:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3362 transitions. [2024-11-07 15:32:40,899 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9261707988980716 [2024-11-07 15:32:40,899 INFO L175 Difference]: Start difference. First operand has 1101 places, 1117 transitions, 2251 flow. Second operand 3 states and 3362 transitions. [2024-11-07 15:32:40,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1100 places, 1118 transitions, 2327 flow [2024-11-07 15:32:40,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1095 places, 1118 transitions, 2317 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:32:40,921 INFO L231 Difference]: Finished difference. Result has 1096 places, 1118 transitions, 2253 flow [2024-11-07 15:32:40,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1210, PETRI_DIFFERENCE_MINUEND_FLOW=2241, PETRI_DIFFERENCE_MINUEND_PLACES=1093, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2253, PETRI_PLACES=1096, PETRI_TRANSITIONS=1118} [2024-11-07 15:32:40,924 INFO L277 CegarLoopForPetriNet]: 1120 programPoint places, -24 predicate places. [2024-11-07 15:32:40,924 INFO L471 AbstractCegarLoop]: Abstraction has has 1096 places, 1118 transitions, 2253 flow [2024-11-07 15:32:40,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1109.3333333333333) internal successors, (3328), 3 states have internal predecessors, (3328), 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 15:32:40,927 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:32:40,927 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] [2024-11-07 15:32:40,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:32:40,928 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] === [2024-11-07 15:32:40,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:32:40,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1909971189, now seen corresponding path program 1 times [2024-11-07 15:32:40,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:32:40,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091067562] [2024-11-07 15:32:40,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:32:40,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:32:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:32:41,328 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 15:32:41,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:32:41,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091067562] [2024-11-07 15:32:41,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091067562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:32:41,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:32:41,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:32:41,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836305267] [2024-11-07 15:32:41,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:32:41,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:32:41,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:32:41,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:32:41,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:32:42,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 862 out of 1210 [2024-11-07 15:32:42,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1096 places, 1118 transitions, 2253 flow. Second operand has 6 states, 6 states have (on average 863.5) internal successors, (5181), 6 states have internal predecessors, (5181), 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 15:32:42,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:32:42,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 862 of 1210 [2024-11-07 15:32:42,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:32:59,134 INFO L124 PetriNetUnfolderBase]: 18617/86587 cut-off events. [2024-11-07 15:32:59,135 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-11-07 15:32:59,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119900 conditions, 86587 events. 18617/86587 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 1060569 event pairs, 16093 based on Foata normal form. 0/76016 useless extension candidates. Maximal degree in co-relation 119816. Up to 33291 conditions per place. [2024-11-07 15:32:59,501 INFO L140 encePairwiseOnDemand]: 1204/1210 looper letters, 277 selfloop transitions, 5 changer transitions 0/1117 dead transitions. [2024-11-07 15:32:59,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1100 places, 1117 transitions, 2815 flow [2024-11-07 15:32:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:32:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:32:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5454 transitions. [2024-11-07 15:32:59,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7512396694214876 [2024-11-07 15:32:59,514 INFO L175 Difference]: Start difference. First operand has 1096 places, 1118 transitions, 2253 flow. Second operand 6 states and 5454 transitions. [2024-11-07 15:32:59,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1100 places, 1117 transitions, 2815 flow [2024-11-07 15:32:59,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1099 places, 1117 transitions, 2813 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:32:59,530 INFO L231 Difference]: Finished difference. Result has 1099 places, 1117 transitions, 2259 flow [2024-11-07 15:32:59,532 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1210, PETRI_DIFFERENCE_MINUEND_FLOW=2249, PETRI_DIFFERENCE_MINUEND_PLACES=1094, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2259, PETRI_PLACES=1099, PETRI_TRANSITIONS=1117} [2024-11-07 15:32:59,532 INFO L277 CegarLoopForPetriNet]: 1120 programPoint places, -21 predicate places. [2024-11-07 15:32:59,533 INFO L471 AbstractCegarLoop]: Abstraction has has 1099 places, 1117 transitions, 2259 flow [2024-11-07 15:32:59,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 863.5) internal successors, (5181), 6 states have internal predecessors, (5181), 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 15:32:59,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:32:59,535 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:32:59,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:32:59,536 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] === [2024-11-07 15:32:59,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:32:59,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2111114493, now seen corresponding path program 1 times [2024-11-07 15:32:59,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:32:59,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440434556] [2024-11-07 15:32:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:32:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:32:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:32:59,931 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 15:32:59,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:32:59,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440434556] [2024-11-07 15:32:59,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440434556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:32:59,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:32:59,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:32:59,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389541132] [2024-11-07 15:32:59,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:32:59,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:32:59,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:32:59,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:32:59,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:33:01,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 862 out of 1210 [2024-11-07 15:33:01,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1099 places, 1117 transitions, 2259 flow. Second operand has 6 states, 6 states have (on average 863.5) internal successors, (5181), 6 states have internal predecessors, (5181), 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 15:33:01,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:33:01,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 862 of 1210 [2024-11-07 15:33:01,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:33:14,814 INFO L124 PetriNetUnfolderBase]: 18617/86585 cut-off events. [2024-11-07 15:33:14,815 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2024-11-07 15:33:14,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119907 conditions, 86585 events. 18617/86585 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 1060379 event pairs, 16093 based on Foata normal form. 0/76016 useless extension candidates. Maximal degree in co-relation 119809. Up to 33291 conditions per place. [2024-11-07 15:33:15,131 INFO L140 encePairwiseOnDemand]: 1204/1210 looper letters, 277 selfloop transitions, 5 changer transitions 0/1116 dead transitions. [2024-11-07 15:33:15,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1103 places, 1116 transitions, 2821 flow [2024-11-07 15:33:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:33:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:33:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5454 transitions. [2024-11-07 15:33:15,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7512396694214876 [2024-11-07 15:33:15,142 INFO L175 Difference]: Start difference. First operand has 1099 places, 1117 transitions, 2259 flow. Second operand 6 states and 5454 transitions. [2024-11-07 15:33:15,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1103 places, 1116 transitions, 2821 flow [2024-11-07 15:33:15,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1098 places, 1116 transitions, 2811 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:33:15,160 INFO L231 Difference]: Finished difference. Result has 1098 places, 1116 transitions, 2257 flow [2024-11-07 15:33:15,161 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1210, PETRI_DIFFERENCE_MINUEND_FLOW=2247, PETRI_DIFFERENCE_MINUEND_PLACES=1093, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2257, PETRI_PLACES=1098, PETRI_TRANSITIONS=1116} [2024-11-07 15:33:15,162 INFO L277 CegarLoopForPetriNet]: 1120 programPoint places, -22 predicate places. [2024-11-07 15:33:15,163 INFO L471 AbstractCegarLoop]: Abstraction has has 1098 places, 1116 transitions, 2257 flow [2024-11-07 15:33:15,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 863.5) internal successors, (5181), 6 states have internal predecessors, (5181), 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 15:33:15,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:33:15,166 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, 1, 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 15:33:15,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:33:15,167 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] === [2024-11-07 15:33:15,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:33:15,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1315407602, now seen corresponding path program 1 times [2024-11-07 15:33:15,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:33:15,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045344308] [2024-11-07 15:33:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:15,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:33:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:33:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:33:15,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:33:15,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045344308] [2024-11-07 15:33:15,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045344308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:33:15,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652741957] [2024-11-07 15:33:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:15,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:33:15,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:33:15,262 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:33:15,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 15:33:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:33:15,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:33:15,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:33:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:33:15,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:33:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:33:15,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652741957] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:33:15,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:33:15,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-07 15:33:15,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172855586] [2024-11-07 15:33:15,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:33:15,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:33:15,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:33:15,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:33:15,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:33:15,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1107 out of 1210 [2024-11-07 15:33:15,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1098 places, 1116 transitions, 2257 flow. Second operand has 6 states, 6 states have (on average 1109.1666666666667) internal successors, (6655), 6 states have internal predecessors, (6655), 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 15:33:15,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:33:15,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1107 of 1210 [2024-11-07 15:33:15,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:33:17,525 INFO L124 PetriNetUnfolderBase]: 563/9943 cut-off events. [2024-11-07 15:33:17,525 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-07 15:33:17,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10584 conditions, 9943 events. 563/9943 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 90939 event pairs, 210 based on Foata normal form. 2/8536 useless extension candidates. Maximal degree in co-relation 10436. Up to 607 conditions per place. [2024-11-07 15:33:17,615 INFO L140 encePairwiseOnDemand]: 1206/1210 looper letters, 37 selfloop transitions, 5 changer transitions 0/1120 dead transitions. [2024-11-07 15:33:17,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1102 places, 1120 transitions, 2351 flow [2024-11-07 15:33:17,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:33:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 15:33:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5579 transitions. [2024-11-07 15:33:17,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221487603305785 [2024-11-07 15:33:17,620 INFO L175 Difference]: Start difference. First operand has 1098 places, 1116 transitions, 2257 flow. Second operand 5 states and 5579 transitions. [2024-11-07 15:33:17,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1102 places, 1120 transitions, 2351 flow [2024-11-07 15:33:17,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1097 places, 1120 transitions, 2341 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:33:17,632 INFO L231 Difference]: Finished difference. Result has 1100 places, 1118 transitions, 2277 flow [2024-11-07 15:33:17,633 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1210, PETRI_DIFFERENCE_MINUEND_FLOW=2247, PETRI_DIFFERENCE_MINUEND_PLACES=1093, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2277, PETRI_PLACES=1100, PETRI_TRANSITIONS=1118} [2024-11-07 15:33:17,634 INFO L277 CegarLoopForPetriNet]: 1120 programPoint places, -20 predicate places. [2024-11-07 15:33:17,634 INFO L471 AbstractCegarLoop]: Abstraction has has 1100 places, 1118 transitions, 2277 flow [2024-11-07 15:33:17,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1109.1666666666667) internal successors, (6655), 6 states have internal predecessors, (6655), 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 15:33:17,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:33:17,638 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:33:17,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 15:33:17,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:33:17,843 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] === [2024-11-07 15:33:17,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:33:17,843 INFO L85 PathProgramCache]: Analyzing trace with hash -363369304, now seen corresponding path program 2 times [2024-11-07 15:33:17,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:33:17,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568710373] [2024-11-07 15:33:17,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:33:17,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:33:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:33:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-07 15:33:18,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:33:18,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568710373] [2024-11-07 15:33:18,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568710373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:33:18,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:33:18,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:33:18,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781225589] [2024-11-07 15:33:18,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:33:18,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:33:18,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:33:18,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:33:18,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:33:20,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 867 out of 1210 [2024-11-07 15:33:20,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1100 places, 1118 transitions, 2277 flow. Second operand has 6 states, 6 states have (on average 870.3333333333334) internal successors, (5222), 6 states have internal predecessors, (5222), 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 15:33:20,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:33:20,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 867 of 1210 [2024-11-07 15:33:20,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand