./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:01:54,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:01:54,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:01:54,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:01:54,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:01:54,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:01:54,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:01:54,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:01:54,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:01:54,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:01:54,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:01:54,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:01:54,320 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:01:54,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:01:54,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:01:54,322 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:01:54,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:01:54,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:01:54,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:01:54,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:01:54,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:01:54,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:01:54,326 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:01:54,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:01:54,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:01:54,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:01:54,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:01:54,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:01:54,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:01:54,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:01:54,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:54,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:01:54,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:01:54,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:01:54,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:01:54,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:01:54,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:01:54,333 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:01:54,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:01:54,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:01:54,334 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:01:54,335 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2023-11-06 22:01:54,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:01:54,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:01:54,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:01:54,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:01:54,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:01:54,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2023-11-06 22:01:57,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:01:58,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:01:58,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2023-11-06 22:01:58,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/data/166cc040e/795ace27cdd142bf8f9ed91ba878839b/FLAG95bc1dc99 [2023-11-06 22:01:58,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/data/166cc040e/795ace27cdd142bf8f9ed91ba878839b [2023-11-06 22:01:58,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:01:58,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:01:58,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:58,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:01:58,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:01:58,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:58" (1/1) ... [2023-11-06 22:01:58,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a61410d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:58, skipping insertion in model container [2023-11-06 22:01:58,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:58" (1/1) ... [2023-11-06 22:01:58,437 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:01:59,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:59,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:01:59,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:59,980 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:01:59,980 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:01:59,988 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:01:59,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59 WrapperNode [2023-11-06 22:01:59,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:59,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:59,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:01:59,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:01:59,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,226 INFO L138 Inliner]: procedures = 489, calls = 130, calls flagged for inlining = 48, calls inlined = 122, statements flattened = 3326 [2023-11-06 22:02:00,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:00,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:00,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:00,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:00,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:00,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:00,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:00,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:00,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:02:00,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:00,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:00,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:00,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb63863-f56a-42b7-a516-a0971fb82ea4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-11-06 22:02:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-11-06 22:02:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:02:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:02:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:02:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:02:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:02:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:02:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:00,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:02:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:02:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:02:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:00,641 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:02:01,039 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:01,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:05,556 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:07,451 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:07,452 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-06 22:02:07,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:07 BoogieIcfgContainer [2023-11-06 22:02:07,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:07,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:07,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:07,465 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:07,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:01:58" (1/3) ... [2023-11-06 22:02:07,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654962e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:07, skipping insertion in model container [2023-11-06 22:02:07,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (2/3) ... [2023-11-06 22:02:07,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654962e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:07, skipping insertion in model container [2023-11-06 22:02:07,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:07" (3/3) ... [2023-11-06 22:02:07,471 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-1.i [2023-11-06 22:02:07,484 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:02:07,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:07,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 256 error locations. [2023-11-06 22:02:07,495 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:02:07,910 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:02:07,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2509 places, 2581 transitions, 5169 flow [2023-11-06 22:02:11,052 INFO L124 PetriNetUnfolderBase]: 141/4808 cut-off events. [2023-11-06 22:02:11,053 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:02:11,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4813 conditions, 4808 events. 141/4808 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 25641 event pairs, 0 based on Foata normal form. 0/4182 useless extension candidates. Maximal degree in co-relation 2459. Up to 6 conditions per place. [2023-11-06 22:02:11,104 INFO L82 GeneralOperation]: Start removeDead. Operand has 2509 places, 2581 transitions, 5169 flow [2023-11-06 22:02:11,179 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2509 places, 2581 transitions, 5169 flow [2023-11-06 22:02:11,184 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:02:11,206 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 2509 places, 2581 transitions, 5169 flow [2023-11-06 22:02:11,211 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 2509 places, 2581 transitions, 5169 flow [2023-11-06 22:02:11,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2509 places, 2581 transitions, 5169 flow [2023-11-06 22:02:13,393 INFO L124 PetriNetUnfolderBase]: 141/4808 cut-off events. [2023-11-06 22:02:13,394 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:02:13,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4813 conditions, 4808 events. 141/4808 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 25641 event pairs, 0 based on Foata normal form. 0/4182 useless extension candidates. Maximal degree in co-relation 2459. Up to 6 conditions per place. [2023-11-06 22:02:13,806 INFO L119 LiptonReduction]: Number of co-enabled transitions 1013782 [2023-11-06 22:02:29,710 WARN L293 SmtUtils]: Spent 12.06s on a formula simplification. DAG size of input: 126 DAG size of output: 114 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:02:34,970 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:02:48,163 WARN L293 SmtUtils]: Spent 13.19s on a formula simplification. DAG size of input: 130 DAG size of output: 118 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:02:54,545 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:03:07,583 WARN L293 SmtUtils]: Spent 12.42s on a formula simplification. DAG size of input: 126 DAG size of output: 114 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:03:13,200 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:03:28,858 WARN L293 SmtUtils]: Spent 15.66s on a formula simplification. DAG size of input: 130 DAG size of output: 118 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:03:36,545 WARN L293 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:03:48,573 WARN L293 SmtUtils]: Spent 10.81s on a formula simplification. DAG size of input: 127 DAG size of output: 115 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:03:54,186 WARN L293 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:04:08,387 WARN L293 SmtUtils]: Spent 14.20s on a formula simplification. DAG size of input: 131 DAG size of output: 119 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:04:15,921 WARN L293 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:04:28,228 WARN L293 SmtUtils]: Spent 11.70s on a formula simplification. DAG size of input: 127 DAG size of output: 115 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:04:33,911 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:04:49,341 WARN L293 SmtUtils]: Spent 15.43s on a formula simplification. DAG size of input: 131 DAG size of output: 119 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:04:56,718 WARN L293 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:05:09,239 WARN L293 SmtUtils]: Spent 11.59s on a formula simplification. DAG size of input: 126 DAG size of output: 114 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:05:29,452 WARN L293 SmtUtils]: Spent 15.25s on a formula simplification. DAG size of input: 130 DAG size of output: 118 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:05:37,439 WARN L293 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:05:51,853 WARN L293 SmtUtils]: Spent 12.81s on a formula simplification. DAG size of input: 126 DAG size of output: 114 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:05:57,437 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:06:13,390 WARN L293 SmtUtils]: Spent 15.95s on a formula simplification. DAG size of input: 130 DAG size of output: 118 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:06:20,356 WARN L293 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)