./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC --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 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:53:49,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:53:49,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 22:53:49,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:53:49,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:53:49,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:53:49,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:53:49,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:53:49,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:53:49,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:53:49,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:53:49,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:53:49,739 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:53:49,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:53:49,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:53:49,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:53:49,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:53:49,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:53:49,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:53:49,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:53:49,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:53:49,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:53:49,743 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 22:53:49,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:53:49,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:53:49,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:53:49,744 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:53:49,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:53:49,744 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:53:49,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:53:49,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:53:49,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:49,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:53:49,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:53:49,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:53:49,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:49,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:53:49,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:53:49,746 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:53:49,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:53:49,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:53:49,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:53:49,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:53:49,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:53:49,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:53:49,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:53:49,748 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC 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 -> 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5 [2024-11-23 22:53:50,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:53:50,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:53:50,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:53:50,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:53:50,158 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:53:50,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i [2024-11-23 22:53:53,248 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/data/febccdd65/c86e8993ca604bd69f87c255ceeafcf7/FLAGd2dc0d789 [2024-11-23 22:53:53,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:53:53,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i [2024-11-23 22:53:53,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/data/febccdd65/c86e8993ca604bd69f87c255ceeafcf7/FLAGd2dc0d789 [2024-11-23 22:53:53,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/data/febccdd65/c86e8993ca604bd69f87c255ceeafcf7 [2024-11-23 22:53:53,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:53:53,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:53:53,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:53:53,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:53:53,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:53:53,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:53:53" (1/1) ... [2024-11-23 22:53:53,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56906965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:53, skipping insertion in model container [2024-11-23 22:53:53,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:53:53" (1/1) ... [2024-11-23 22:53:53,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:53:54,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:53:54,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:53:54,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:53:54,435 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:53:54,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54 WrapperNode [2024-11-23 22:53:54,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:53:54,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:53:54,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:53:54,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:53:54,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,487 INFO L138 Inliner]: procedures = 262, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 98 [2024-11-23 22:53:54,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:53:54,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:53:54,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:53:54,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:53:54,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,518 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:53:54,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:53:54,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:53:54,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:53:54,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (1/1) ... [2024-11-23 22:53:54,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:54,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:54,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:53:54,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:53:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 22:53:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 22:53:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:53:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 22:53:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 22:53:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 22:53:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:53:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:53:54,626 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:53:54,801 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:53:54,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:53:55,037 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:53:55,037 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:53:55,068 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:53:55,072 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:53:55,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:55 BoogieIcfgContainer [2024-11-23 22:53:55,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:53:55,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:53:55,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:53:55,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:53:55,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:53:53" (1/3) ... [2024-11-23 22:53:55,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c106bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:53:55, skipping insertion in model container [2024-11-23 22:53:55,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:54" (2/3) ... [2024-11-23 22:53:55,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c106bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:53:55, skipping insertion in model container [2024-11-23 22:53:55,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:55" (3/3) ... [2024-11-23 22:53:55,085 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i [2024-11-23 22:53:55,105 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:53:55,108 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_43-thread_create_nr.i that has 2 procedures, 125 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-11-23 22:53:55,109 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:53:55,188 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 22:53:55,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 124 transitions, 252 flow [2024-11-23 22:53:55,315 INFO L124 PetriNetUnfolderBase]: 0/123 cut-off events. [2024-11-23 22:53:55,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:55,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 123 events. 0/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-23 22:53:55,323 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 124 transitions, 252 flow [2024-11-23 22:53:55,328 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 123 transitions, 249 flow [2024-11-23 22:53:55,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:53:55,353 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;@4333f044, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:53:55,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-23 22:53:55,380 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:53:55,380 INFO L124 PetriNetUnfolderBase]: 0/74 cut-off events. [2024-11-23 22:53:55,381 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:55,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:55,382 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:55,382 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-23 22:53:55,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:55,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1060240128, now seen corresponding path program 1 times [2024-11-23 22:53:55,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:55,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163311870] [2024-11-23 22:53:55,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:55,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:55,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:55,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163311870] [2024-11-23 22:53:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163311870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:55,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:55,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:53:55,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353828808] [2024-11-23 22:53:55,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:55,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:55,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:55,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:55,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:55,936 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 124 [2024-11-23 22:53:55,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2024-11-23 22:53:55,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:55,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 124 [2024-11-23 22:53:55,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:56,028 INFO L124 PetriNetUnfolderBase]: 6/173 cut-off events. [2024-11-23 22:53:56,028 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 22:53:56,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 173 events. 6/173 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 234 event pairs, 6 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 101. Up to 22 conditions per place. [2024-11-23 22:53:56,031 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 9 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2024-11-23 22:53:56,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 269 flow [2024-11-23 22:53:56,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:56,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2024-11-23 22:53:56,045 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-23 22:53:56,047 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 249 flow. Second operand 3 states and 348 transitions. [2024-11-23 22:53:56,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 269 flow [2024-11-23 22:53:56,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 122 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 22:53:56,056 INFO L231 Difference]: Finished difference. Result has 127 places, 122 transitions, 250 flow [2024-11-23 22:53:56,058 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=127, PETRI_TRANSITIONS=122} [2024-11-23 22:53:56,062 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, 0 predicate places. [2024-11-23 22:53:56,062 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 122 transitions, 250 flow [2024-11-23 22:53:56,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2024-11-23 22:53:56,063 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:56,063 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:56,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:53:56,063 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-23 22:53:56,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash -423887029, now seen corresponding path program 1 times [2024-11-23 22:53:56,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:56,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139201586] [2024-11-23 22:53:56,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:56,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:56,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:56,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139201586] [2024-11-23 22:53:56,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139201586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:56,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:56,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:53:56,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437239597] [2024-11-23 22:53:56,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:56,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:56,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:56,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:56,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:56,251 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 124 [2024-11-23 22:53:56,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 122 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-11-23 22:53:56,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:56,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 124 [2024-11-23 22:53:56,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:56,318 INFO L124 PetriNetUnfolderBase]: 0/120 cut-off events. [2024-11-23 22:53:56,321 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:56,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 120 events. 0/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2024-11-23 22:53:56,324 INFO L140 encePairwiseOnDemand]: 118/124 looper letters, 5 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2024-11-23 22:53:56,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 120 transitions, 264 flow [2024-11-23 22:53:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2024-11-23 22:53:56,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9408602150537635 [2024-11-23 22:53:56,330 INFO L175 Difference]: Start difference. First operand has 127 places, 122 transitions, 250 flow. Second operand 3 states and 350 transitions. [2024-11-23 22:53:56,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 120 transitions, 264 flow [2024-11-23 22:53:56,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 120 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:56,337 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 250 flow [2024-11-23 22:53:56,337 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2024-11-23 22:53:56,339 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -2 predicate places. [2024-11-23 22:53:56,340 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 250 flow [2024-11-23 22:53:56,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-11-23 22:53:56,341 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:56,341 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:56,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:53:56,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-23 22:53:56,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:56,343 INFO L85 PathProgramCache]: Analyzing trace with hash 524466032, now seen corresponding path program 1 times [2024-11-23 22:53:56,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:56,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978857236] [2024-11-23 22:53:56,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:56,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:56,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:56,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978857236] [2024-11-23 22:53:56,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978857236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:56,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:56,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:53:56,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145054172] [2024-11-23 22:53:56,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:56,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:56,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:56,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:56,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:56,554 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 124 [2024-11-23 22:53:56,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2024-11-23 22:53:56,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:56,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 124 [2024-11-23 22:53:56,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:56,604 INFO L124 PetriNetUnfolderBase]: 4/137 cut-off events. [2024-11-23 22:53:56,604 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-23 22:53:56,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 137 events. 4/137 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 85 event pairs, 4 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 67. Up to 19 conditions per place. [2024-11-23 22:53:56,605 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 10 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-11-23 22:53:56,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 119 transitions, 272 flow [2024-11-23 22:53:56,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2024-11-23 22:53:56,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9301075268817204 [2024-11-23 22:53:56,608 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 250 flow. Second operand 3 states and 346 transitions. [2024-11-23 22:53:56,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 119 transitions, 272 flow [2024-11-23 22:53:56,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 119 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:56,613 INFO L231 Difference]: Finished difference. Result has 124 places, 119 transitions, 244 flow [2024-11-23 22:53:56,614 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=124, PETRI_TRANSITIONS=119} [2024-11-23 22:53:56,615 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2024-11-23 22:53:56,616 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 119 transitions, 244 flow [2024-11-23 22:53:56,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2024-11-23 22:53:56,616 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:56,616 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:56,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:53:56,617 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-23 22:53:56,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:56,619 INFO L85 PathProgramCache]: Analyzing trace with hash -362410013, now seen corresponding path program 1 times [2024-11-23 22:53:56,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:56,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905014505] [2024-11-23 22:53:56,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:56,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:56,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:56,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905014505] [2024-11-23 22:53:56,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905014505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:56,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:56,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:53:56,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856142444] [2024-11-23 22:53:56,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:56,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:56,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:56,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:56,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:56,874 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 124 [2024-11-23 22:53:56,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2024-11-23 22:53:56,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:56,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 124 [2024-11-23 22:53:56,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:56,931 INFO L124 PetriNetUnfolderBase]: 6/148 cut-off events. [2024-11-23 22:53:56,931 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:56,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 148 events. 6/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 140 event pairs, 2 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 85. Up to 10 conditions per place. [2024-11-23 22:53:56,933 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 7 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-11-23 22:53:56,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 120 transitions, 264 flow [2024-11-23 22:53:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2024-11-23 22:53:56,937 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9623655913978495 [2024-11-23 22:53:56,937 INFO L175 Difference]: Start difference. First operand has 124 places, 119 transitions, 244 flow. Second operand 3 states and 358 transitions. [2024-11-23 22:53:56,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 120 transitions, 264 flow [2024-11-23 22:53:56,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 120 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:56,944 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 242 flow [2024-11-23 22:53:56,944 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=123, PETRI_TRANSITIONS=118} [2024-11-23 22:53:56,945 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -4 predicate places. [2024-11-23 22:53:56,945 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 242 flow [2024-11-23 22:53:56,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2024-11-23 22:53:56,945 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:56,945 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:56,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:53:56,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-23 22:53:56,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:56,951 INFO L85 PathProgramCache]: Analyzing trace with hash -820289549, now seen corresponding path program 1 times [2024-11-23 22:53:56,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:56,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806529786] [2024-11-23 22:53:56,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:56,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:57,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:57,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806529786] [2024-11-23 22:53:57,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806529786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:57,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:57,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:53:57,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265274776] [2024-11-23 22:53:57,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:57,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:57,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:57,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:57,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:57,090 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 124 [2024-11-23 22:53:57,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-23 22:53:57,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:57,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 124 [2024-11-23 22:53:57,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:57,130 INFO L124 PetriNetUnfolderBase]: 12/173 cut-off events. [2024-11-23 22:53:57,131 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-23 22:53:57,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 173 events. 12/173 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 286 event pairs, 8 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 124. Up to 26 conditions per place. [2024-11-23 22:53:57,132 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 9 selfloop transitions, 2 changer transitions 5/119 dead transitions. [2024-11-23 22:53:57,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 119 transitions, 270 flow [2024-11-23 22:53:57,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2024-11-23 22:53:57,134 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9408602150537635 [2024-11-23 22:53:57,134 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 242 flow. Second operand 3 states and 350 transitions. [2024-11-23 22:53:57,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 119 transitions, 270 flow [2024-11-23 22:53:57,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 119 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:57,137 INFO L231 Difference]: Finished difference. Result has 122 places, 113 transitions, 232 flow [2024-11-23 22:53:57,137 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=122, PETRI_TRANSITIONS=113} [2024-11-23 22:53:57,138 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2024-11-23 22:53:57,138 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 113 transitions, 232 flow [2024-11-23 22:53:57,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-23 22:53:57,138 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:57,139 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:57,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:53:57,139 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-23 22:53:57,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:57,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1193191267, now seen corresponding path program 1 times [2024-11-23 22:53:57,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:57,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371678630] [2024-11-23 22:53:57,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:57,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:57,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:57,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371678630] [2024-11-23 22:53:57,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371678630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:57,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:57,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:53:57,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305831020] [2024-11-23 22:53:57,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:57,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:57,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:57,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:57,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:57,306 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 124 [2024-11-23 22:53:57,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 113 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2024-11-23 22:53:57,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:57,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 124 [2024-11-23 22:53:57,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:57,326 INFO L124 PetriNetUnfolderBase]: 0/112 cut-off events. [2024-11-23 22:53:57,326 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:57,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 112 events. 0/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 20 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2024-11-23 22:53:57,327 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2024-11-23 22:53:57,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 112 transitions, 248 flow [2024-11-23 22:53:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 349 transitions. [2024-11-23 22:53:57,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9381720430107527 [2024-11-23 22:53:57,329 INFO L175 Difference]: Start difference. First operand has 122 places, 113 transitions, 232 flow. Second operand 3 states and 349 transitions. [2024-11-23 22:53:57,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 112 transitions, 248 flow [2024-11-23 22:53:57,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 112 transitions, 244 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:57,331 INFO L231 Difference]: Finished difference. Result has 117 places, 0 transitions, 0 flow [2024-11-23 22:53:57,331 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=117, PETRI_TRANSITIONS=0} [2024-11-23 22:53:57,332 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -10 predicate places. [2024-11-23 22:53:57,332 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 0 transitions, 0 flow [2024-11-23 22:53:57,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2024-11-23 22:53:57,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-23 22:53:57,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-23 22:53:57,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-23 22:53:57,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-23 22:53:57,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-23 22:53:57,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-23 22:53:57,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-23 22:53:57,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-23 22:53:57,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-23 22:53:57,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-23 22:53:57,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:53:57,337 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-23 22:53:57,343 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:53:57,343 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:53:57,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:53:57 BasicIcfg [2024-11-23 22:53:57,349 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:53:57,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:53:57,350 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:53:57,350 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:53:57,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:55" (3/4) ... [2024-11-23 22:53:57,353 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:53:57,356 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-23 22:53:57,361 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-23 22:53:57,361 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:53:57,362 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:53:57,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:53:57,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:53:57,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:53:57,441 INFO L158 Benchmark]: Toolchain (without parser) took 3625.85ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 47.1MB in the end (delta: 57.2MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-11-23 22:53:57,441 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:53:57,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.24ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 76.5MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:53:57,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.04ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 74.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:53:57,442 INFO L158 Benchmark]: Boogie Preprocessor took 42.58ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 73.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:53:57,442 INFO L158 Benchmark]: RCFGBuilder took 539.39ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 58.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:53:57,442 INFO L158 Benchmark]: TraceAbstraction took 2274.91ms. Allocated memory is still 142.6MB. Free memory was 57.7MB in the beginning and 52.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:53:57,443 INFO L158 Benchmark]: Witness Printer took 90.21ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 47.1MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:53:57,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.24ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 76.5MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.04ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 74.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.58ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 73.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.39ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 58.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2274.91ms. Allocated memory is still 142.6MB. Free memory was 57.7MB in the beginning and 52.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 90.21ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 47.1MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 143 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 39 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 22:53:57,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc6a5c9-7559-43f6-839c-e674d2025dd1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE