./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB --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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:18:56,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:18:56,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 23:18:56,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:18:56,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:18:56,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:18:56,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:18:56,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:18:56,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:18:56,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:18:56,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:18:56,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:18:56,784 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:18:56,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:18:56,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:18:56,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:18:56,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:18:56,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:18:56,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:18:56,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:18:56,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:18:56,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:18:56,785 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 23:18:56,785 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:18:56,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:18:56,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:18:56,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:18:56,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:18:56,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:18:56,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:18:56,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:18:56,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:18:56,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:18:56,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:18:56,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:18:56,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:18:56,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:18:56,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:18:56,787 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:18:56,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:18:56,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:18:56,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:18:56,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:18:56,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:18:56,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:18:56,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:18:56,788 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_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2024-11-27 23:18:57,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:18:57,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:18:57,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:18:57,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:18:57,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:18:57,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-11-27 23:19:00,260 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/data/1ed5d2c8b/6554a544c25642e5b58202e07593f068/FLAGf27083bb7 [2024-11-27 23:19:00,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:19:00,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-11-27 23:19:00,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/data/1ed5d2c8b/6554a544c25642e5b58202e07593f068/FLAGf27083bb7 [2024-11-27 23:19:00,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/data/1ed5d2c8b/6554a544c25642e5b58202e07593f068 [2024-11-27 23:19:00,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:19:00,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:19:00,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:19:00,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:19:00,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:19:00,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:19:00" (1/1) ... [2024-11-27 23:19:00,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0ad51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:00, skipping insertion in model container [2024-11-27 23:19:00,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:19:00" (1/1) ... [2024-11-27 23:19:00,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:19:01,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:19:01,498 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:19:01,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:19:01,681 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:19:01,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01 WrapperNode [2024-11-27 23:19:01,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:19:01,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:19:01,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:19:01,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:19:01,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,765 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 181 [2024-11-27 23:19:01,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:19:01,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:19:01,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:19:01,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:19:01,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,809 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:19:01,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:19:01,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:19:01,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:19:01,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (1/1) ... [2024-11-27 23:19:01,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:19:01,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:01,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:01,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:19:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-27 23:19:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-27 23:19:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-27 23:19:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-27 23:19:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 23:19:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 23:19:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:19:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:19:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:19:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:19:01,921 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:19:02,249 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:19:02,252 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:19:02,581 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:19:02,582 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:19:02,616 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:19:02,617 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:19:02,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:19:02 BoogieIcfgContainer [2024-11-27 23:19:02,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:19:02,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:19:02,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:19:02,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:19:02,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:19:00" (1/3) ... [2024-11-27 23:19:02,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdf3763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:19:02, skipping insertion in model container [2024-11-27 23:19:02,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:01" (2/3) ... [2024-11-27 23:19:02,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdf3763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:19:02, skipping insertion in model container [2024-11-27 23:19:02,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:19:02" (3/3) ... [2024-11-27 23:19:02,627 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-11-27 23:19:02,642 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:19:02,644 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_true.i that has 3 procedures, 206 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-27 23:19:02,645 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:19:02,734 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 23:19:02,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 207 transitions, 428 flow [2024-11-27 23:19:02,892 INFO L124 PetriNetUnfolderBase]: 2/205 cut-off events. [2024-11-27 23:19:02,895 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 23:19:02,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 205 events. 2/205 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 184. Up to 2 conditions per place. [2024-11-27 23:19:02,900 INFO L82 GeneralOperation]: Start removeDead. Operand has 212 places, 207 transitions, 428 flow [2024-11-27 23:19:02,905 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 199 transitions, 407 flow [2024-11-27 23:19:02,917 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:19:02,941 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;@6f5dcc0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:19:02,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-27 23:19:03,000 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:19:03,000 INFO L124 PetriNetUnfolderBase]: 0/144 cut-off events. [2024-11-27 23:19:03,000 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:19:03,000 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:19:03,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:03,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-27 23:19:03,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:03,010 INFO L85 PathProgramCache]: Analyzing trace with hash -370469074, now seen corresponding path program 1 times [2024-11-27 23:19:03,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:03,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718330312] [2024-11-27 23:19:03,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:03,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:19:03,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:03,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718330312] [2024-11-27 23:19:03,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718330312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:03,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:03,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:19:03,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208789252] [2024-11-27 23:19:03,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:03,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:19:03,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:03,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:19:03,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:19:03,938 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2024-11-27 23:19:03,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 199 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2024-11-27 23:19:03,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:19:03,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2024-11-27 23:19:03,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:19:04,139 INFO L124 PetriNetUnfolderBase]: 50/417 cut-off events. [2024-11-27 23:19:04,139 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-27 23:19:04,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 571 conditions, 417 events. 50/417 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1377 event pairs, 40 based on Foata normal form. 10/397 useless extension candidates. Maximal degree in co-relation 414. Up to 103 conditions per place. [2024-11-27 23:19:04,147 INFO L140 encePairwiseOnDemand]: 200/207 looper letters, 20 selfloop transitions, 4 changer transitions 0/201 dead transitions. [2024-11-27 23:19:04,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 201 transitions, 462 flow [2024-11-27 23:19:04,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:19:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:19:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2024-11-27 23:19:04,176 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2024-11-27 23:19:04,180 INFO L175 Difference]: Start difference. First operand has 204 places, 199 transitions, 407 flow. Second operand 3 states and 582 transitions. [2024-11-27 23:19:04,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 201 transitions, 462 flow [2024-11-27 23:19:04,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 201 transitions, 456 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-27 23:19:04,203 INFO L231 Difference]: Finished difference. Result has 203 places, 198 transitions, 424 flow [2024-11-27 23:19:04,206 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=203, PETRI_TRANSITIONS=198} [2024-11-27 23:19:04,214 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -1 predicate places. [2024-11-27 23:19:04,216 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 198 transitions, 424 flow [2024-11-27 23:19:04,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2024-11-27 23:19:04,217 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:19:04,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:04,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:19:04,218 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-27 23:19:04,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:04,221 INFO L85 PathProgramCache]: Analyzing trace with hash 823477817, now seen corresponding path program 1 times [2024-11-27 23:19:04,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:04,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927395520] [2024-11-27 23:19:04,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:19:04,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:04,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927395520] [2024-11-27 23:19:04,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927395520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:04,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:04,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:19:04,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256102056] [2024-11-27 23:19:04,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:04,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:19:04,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:04,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:19:04,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:19:04,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2024-11-27 23:19:04,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 198 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2024-11-27 23:19:04,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:19:04,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2024-11-27 23:19:04,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:19:04,855 INFO L124 PetriNetUnfolderBase]: 51/443 cut-off events. [2024-11-27 23:19:04,855 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-27 23:19:04,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 443 events. 51/443 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1578 event pairs, 29 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 400. Up to 87 conditions per place. [2024-11-27 23:19:04,865 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 21 selfloop transitions, 6 changer transitions 0/206 dead transitions. [2024-11-27 23:19:04,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 206 transitions, 498 flow [2024-11-27 23:19:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:19:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:19:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 583 transitions. [2024-11-27 23:19:04,870 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9388083735909822 [2024-11-27 23:19:04,871 INFO L175 Difference]: Start difference. First operand has 203 places, 198 transitions, 424 flow. Second operand 3 states and 583 transitions. [2024-11-27 23:19:04,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 206 transitions, 498 flow [2024-11-27 23:19:04,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 206 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:19:04,883 INFO L231 Difference]: Finished difference. Result has 205 places, 203 transitions, 466 flow [2024-11-27 23:19:04,884 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=205, PETRI_TRANSITIONS=203} [2024-11-27 23:19:04,886 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, 1 predicate places. [2024-11-27 23:19:04,886 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 203 transitions, 466 flow [2024-11-27 23:19:04,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2024-11-27 23:19:04,887 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:19:04,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:04,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:19:04,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-27 23:19:04,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1325247062, now seen corresponding path program 1 times [2024-11-27 23:19:04,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:04,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914699238] [2024-11-27 23:19:04,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:04,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:19:05,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:05,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914699238] [2024-11-27 23:19:05,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914699238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:05,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:05,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:19:05,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477421834] [2024-11-27 23:19:05,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:05,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:19:05,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:05,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:19:05,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:19:05,220 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2024-11-27 23:19:05,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 203 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2024-11-27 23:19:05,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:19:05,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2024-11-27 23:19:05,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:19:05,438 INFO L124 PetriNetUnfolderBase]: 98/617 cut-off events. [2024-11-27 23:19:05,438 INFO L125 PetriNetUnfolderBase]: For 160/174 co-relation queries the response was YES. [2024-11-27 23:19:05,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 617 events. 98/617 cut-off events. For 160/174 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2643 event pairs, 46 based on Foata normal form. 2/574 useless extension candidates. Maximal degree in co-relation 781. Up to 177 conditions per place. [2024-11-27 23:19:05,444 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 22 selfloop transitions, 11 changer transitions 2/216 dead transitions. [2024-11-27 23:19:05,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 216 transitions, 581 flow [2024-11-27 23:19:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:19:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:19:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2024-11-27 23:19:05,447 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-11-27 23:19:05,447 INFO L175 Difference]: Start difference. First operand has 205 places, 203 transitions, 466 flow. Second operand 3 states and 585 transitions. [2024-11-27 23:19:05,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 216 transitions, 581 flow [2024-11-27 23:19:05,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 216 transitions, 561 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-27 23:19:05,461 INFO L231 Difference]: Finished difference. Result has 207 places, 211 transitions, 542 flow [2024-11-27 23:19:05,461 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=207, PETRI_TRANSITIONS=211} [2024-11-27 23:19:05,462 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, 3 predicate places. [2024-11-27 23:19:05,462 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 211 transitions, 542 flow [2024-11-27 23:19:05,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2024-11-27 23:19:05,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:19:05,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:05,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:19:05,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-27 23:19:05,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:05,465 INFO L85 PathProgramCache]: Analyzing trace with hash 403010701, now seen corresponding path program 1 times [2024-11-27 23:19:05,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:05,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619688149] [2024-11-27 23:19:05,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:05,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:19:05,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:05,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619688149] [2024-11-27 23:19:05,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619688149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:05,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:05,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:19:05,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952899858] [2024-11-27 23:19:05,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:05,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:19:05,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:05,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:19:05,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:19:05,984 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 207 [2024-11-27 23:19:05,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 211 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 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) [2024-11-27 23:19:05,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:19:05,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 207 [2024-11-27 23:19:05,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:19:06,085 INFO L124 PetriNetUnfolderBase]: 8/293 cut-off events. [2024-11-27 23:19:06,085 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-27 23:19:06,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 293 events. 8/293 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 446 event pairs, 5 based on Foata normal form. 4/291 useless extension candidates. Maximal degree in co-relation 293. Up to 18 conditions per place. [2024-11-27 23:19:06,087 INFO L140 encePairwiseOnDemand]: 201/207 looper letters, 4 selfloop transitions, 5 changer transitions 6/193 dead transitions. [2024-11-27 23:19:06,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 193 transitions, 455 flow [2024-11-27 23:19:06,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:19:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:19:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 594 transitions. [2024-11-27 23:19:06,091 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9565217391304348 [2024-11-27 23:19:06,091 INFO L175 Difference]: Start difference. First operand has 207 places, 211 transitions, 542 flow. Second operand 3 states and 594 transitions. [2024-11-27 23:19:06,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 193 transitions, 455 flow [2024-11-27 23:19:06,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 193 transitions, 417 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-11-27 23:19:06,097 INFO L231 Difference]: Finished difference. Result has 197 places, 186 transitions, 385 flow [2024-11-27 23:19:06,097 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=197, PETRI_TRANSITIONS=186} [2024-11-27 23:19:06,098 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -7 predicate places. [2024-11-27 23:19:06,098 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 186 transitions, 385 flow [2024-11-27 23:19:06,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 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) [2024-11-27 23:19:06,099 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:19:06,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:06,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:19:06,100 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-27 23:19:06,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:06,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1151793189, now seen corresponding path program 1 times [2024-11-27 23:19:06,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:06,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490863176] [2024-11-27 23:19:06,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:19:06,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:06,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490863176] [2024-11-27 23:19:06,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490863176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:06,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:06,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:19:06,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878076688] [2024-11-27 23:19:06,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:06,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:19:06,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:06,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:19:06,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:19:06,328 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2024-11-27 23:19:06,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 186 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 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) [2024-11-27 23:19:06,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:19:06,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2024-11-27 23:19:06,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:19:06,415 INFO L124 PetriNetUnfolderBase]: 11/265 cut-off events. [2024-11-27 23:19:06,415 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-27 23:19:06,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 265 events. 11/265 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 436 event pairs, 9 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 121. Up to 41 conditions per place. [2024-11-27 23:19:06,417 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 0 selfloop transitions, 0 changer transitions 186/186 dead transitions. [2024-11-27 23:19:06,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 186 transitions, 419 flow [2024-11-27 23:19:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:19:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:19:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 572 transitions. [2024-11-27 23:19:06,422 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9210950080515298 [2024-11-27 23:19:06,422 INFO L175 Difference]: Start difference. First operand has 197 places, 186 transitions, 385 flow. Second operand 3 states and 572 transitions. [2024-11-27 23:19:06,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 186 transitions, 419 flow [2024-11-27 23:19:06,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 186 transitions, 414 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:19:06,427 INFO L231 Difference]: Finished difference. Result has 192 places, 0 transitions, 0 flow [2024-11-27 23:19:06,427 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=192, PETRI_TRANSITIONS=0} [2024-11-27 23:19:06,428 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -12 predicate places. [2024-11-27 23:19:06,430 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 0 transitions, 0 flow [2024-11-27 23:19:06,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 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) [2024-11-27 23:19:06,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-11-27 23:19:06,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2024-11-27 23:19:06,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-11-27 23:19:06,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-11-27 23:19:06,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-11-27 23:19:06,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-11-27 23:19:06,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-11-27 23:19:06,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2024-11-27 23:19:06,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-11-27 23:19:06,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-11-27 23:19:06,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-11-27 23:19:06,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-11-27 23:19:06,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:19:06,440 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-27 23:19:06,448 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 23:19:06,449 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:19:06,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:19:06 BasicIcfg [2024-11-27 23:19:06,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:19:06,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:19:06,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:19:06,463 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:19:06,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:19:02" (3/4) ... [2024-11-27 23:19:06,466 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:19:06,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-11-27 23:19:06,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-11-27 23:19:06,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-27 23:19:06,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-27 23:19:06,480 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:19:06,480 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:19:06,589 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:19:06,589 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:19:06,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:19:06,591 INFO L158 Benchmark]: Toolchain (without parser) took 5767.77ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.8MB in the beginning and 206.7MB in the end (delta: -114.9MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2024-11-27 23:19:06,591 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:19:06,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.86ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 53.4MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-27 23:19:06,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.79ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 50.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:19:06,592 INFO L158 Benchmark]: Boogie Preprocessor took 73.27ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 48.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:19:06,592 INFO L158 Benchmark]: RCFGBuilder took 776.49ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 75.9MB in the end (delta: -27.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-27 23:19:06,593 INFO L158 Benchmark]: TraceAbstraction took 3842.08ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 75.3MB in the beginning and 212.0MB in the end (delta: -136.6MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2024-11-27 23:19:06,593 INFO L158 Benchmark]: Witness Printer took 127.47ms. Allocated memory is still 352.3MB. Free memory was 212.0MB in the beginning and 206.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:19:06,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.86ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 53.4MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.79ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 50.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.27ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 48.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 776.49ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 75.9MB in the end (delta: -27.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3842.08ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 75.3MB in the beginning and 212.0MB in the end (delta: -136.6MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. * Witness Printer took 127.47ms. Allocated memory is still 352.3MB. Free memory was 212.0MB in the beginning and 206.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1360]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: 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 5 procedures, 265 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 40 mSDtfsCounter, 215 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=542occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 743 NumberOfCodeBlocks, 743 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 23:19:06,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da92a2-ac4d-43c9-9abc-b93f71a8dbb8/bin/uautomizer-verify-aQ6SnzHsRB/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