./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.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_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/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_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/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_73b506aa-a383-49a4-a70b-213f1e3cee9c/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 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:51:35,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:51:35,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 01:51:35,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:51:35,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:51:35,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:51:35,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:51:35,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:51:35,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:51:35,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:51:35,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:51:35,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:51:35,330 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:51:35,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:51:35,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:51:35,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:51:35,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:51:35,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:51:35,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:51:35,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:51:35,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:51:35,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:51:35,333 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 01:51:35,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:51:35,333 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:51:35,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:51:35,333 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:51:35,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:51:35,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:51:35,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:51:35,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:51:35,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:35,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:51:35,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:51:35,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:51:35,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:35,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:51:35,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:51:35,336 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:51:35,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:51:35,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:51:35,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:51:35,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:51:35,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:51:35,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:51:35,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:51:35,337 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_73b506aa-a383-49a4-a70b-213f1e3cee9c/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 -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf [2024-11-24 01:51:35,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:51:35,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:51:35,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:51:35,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:51:35,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:51:35,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2024-11-24 01:51:38,787 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/data/7ebdc3459/91ef8e3e662346b883fcdaf2d37fafbd/FLAGc583d1ed3 [2024-11-24 01:51:39,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:51:39,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2024-11-24 01:51:39,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/data/7ebdc3459/91ef8e3e662346b883fcdaf2d37fafbd/FLAGc583d1ed3 [2024-11-24 01:51:39,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/data/7ebdc3459/91ef8e3e662346b883fcdaf2d37fafbd [2024-11-24 01:51:39,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:51:39,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:51:39,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:39,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:51:39,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:51:39,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1927d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39, skipping insertion in model container [2024-11-24 01:51:39,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:51:39,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:39,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:51:39,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:39,728 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:51:39,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39 WrapperNode [2024-11-24 01:51:39,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:39,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:39,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:51:39,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:51:39,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,767 INFO L138 Inliner]: procedures = 171, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-24 01:51:39,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:39,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:51:39,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:51:39,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:51:39,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,798 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:51:39,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:51:39,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:51:39,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:51:39,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (1/1) ... [2024-11-24 01:51:39,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:39,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:51:39,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:51:39,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:51:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 01:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 01:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-24 01:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-24 01:51:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-24 01:51:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 01:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-24 01:51:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:51:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:51:39,879 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 01:51:40,044 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:51:40,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:51:40,408 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:51:40,409 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:51:40,452 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:51:40,452 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:51:40,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:40 BoogieIcfgContainer [2024-11-24 01:51:40,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:51:40,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:51:40,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:51:40,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:51:40,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:51:39" (1/3) ... [2024-11-24 01:51:40,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213c3dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:51:40, skipping insertion in model container [2024-11-24 01:51:40,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:39" (2/3) ... [2024-11-24 01:51:40,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213c3dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:51:40, skipping insertion in model container [2024-11-24 01:51:40,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:40" (3/3) ... [2024-11-24 01:51:40,463 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2024-11-24 01:51:40,480 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:51:40,481 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_45-escape_racing.i that has 2 procedures, 133 locations, 1 initial locations, 4 loop locations, and 5 error locations. [2024-11-24 01:51:40,482 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 01:51:40,595 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-24 01:51:40,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 142 transitions, 291 flow [2024-11-24 01:51:40,732 INFO L124 PetriNetUnfolderBase]: 10/141 cut-off events. [2024-11-24 01:51:40,735 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-24 01:51:40,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 141 events. 10/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 301 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. [2024-11-24 01:51:40,744 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 142 transitions, 291 flow [2024-11-24 01:51:40,750 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 134 transitions, 271 flow [2024-11-24 01:51:40,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:51:40,786 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;@37992bb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:51:40,786 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-24 01:51:40,840 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:51:40,842 INFO L124 PetriNetUnfolderBase]: 2/77 cut-off events. [2024-11-24 01:51:40,842 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:51:40,842 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:51:40,843 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] [2024-11-24 01:51:40,844 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-24 01:51:40,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:40,851 INFO L85 PathProgramCache]: Analyzing trace with hash 772282994, now seen corresponding path program 1 times [2024-11-24 01:51:40,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:40,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098645984] [2024-11-24 01:51:40,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:51:42,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:42,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098645984] [2024-11-24 01:51:42,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098645984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:42,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:42,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:51:42,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309503239] [2024-11-24 01:51:42,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:42,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:51:42,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:42,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:51:42,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:51:42,493 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 142 [2024-11-24 01:51:42,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 134 transitions, 271 flow. Second operand has 6 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 states have internal predecessors, (616), 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) [2024-11-24 01:51:42,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:51:42,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 142 [2024-11-24 01:51:42,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:51:42,969 INFO L124 PetriNetUnfolderBase]: 202/997 cut-off events. [2024-11-24 01:51:42,969 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-24 01:51:42,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 997 events. 202/997 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5943 event pairs, 32 based on Foata normal form. 143/1071 useless extension candidates. Maximal degree in co-relation 1408. Up to 292 conditions per place. [2024-11-24 01:51:42,978 INFO L140 encePairwiseOnDemand]: 118/142 looper letters, 44 selfloop transitions, 37 changer transitions 8/184 dead transitions. [2024-11-24 01:51:42,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 184 transitions, 549 flow [2024-11-24 01:51:42,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:51:42,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 01:51:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 733 transitions. [2024-11-24 01:51:42,997 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8603286384976526 [2024-11-24 01:51:42,999 INFO L175 Difference]: Start difference. First operand has 128 places, 134 transitions, 271 flow. Second operand 6 states and 733 transitions. [2024-11-24 01:51:43,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 184 transitions, 549 flow [2024-11-24 01:51:43,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 184 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 01:51:43,012 INFO L231 Difference]: Finished difference. Result has 135 places, 158 transitions, 492 flow [2024-11-24 01:51:43,015 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=135, PETRI_TRANSITIONS=158} [2024-11-24 01:51:43,020 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 7 predicate places. [2024-11-24 01:51:43,020 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 158 transitions, 492 flow [2024-11-24 01:51:43,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 states have internal predecessors, (616), 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) [2024-11-24 01:51:43,021 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:51:43,021 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] [2024-11-24 01:51:43,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:51:43,022 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-24 01:51:43,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:43,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1785871069, now seen corresponding path program 1 times [2024-11-24 01:51:43,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:43,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651581393] [2024-11-24 01:51:43,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:43,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:51:43,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:43,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651581393] [2024-11-24 01:51:43,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651581393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:43,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:43,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:51:43,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078470941] [2024-11-24 01:51:43,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:43,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:51:43,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:43,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:51:43,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:51:43,888 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 142 [2024-11-24 01:51:43,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 158 transitions, 492 flow. Second operand has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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) [2024-11-24 01:51:43,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:51:43,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 142 [2024-11-24 01:51:43,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:51:44,251 INFO L124 PetriNetUnfolderBase]: 211/1001 cut-off events. [2024-11-24 01:51:44,252 INFO L125 PetriNetUnfolderBase]: For 184/190 co-relation queries the response was YES. [2024-11-24 01:51:44,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1776 conditions, 1001 events. 211/1001 cut-off events. For 184/190 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6144 event pairs, 70 based on Foata normal form. 0/961 useless extension candidates. Maximal degree in co-relation 1730. Up to 318 conditions per place. [2024-11-24 01:51:44,259 INFO L140 encePairwiseOnDemand]: 130/142 looper letters, 62 selfloop transitions, 18 changer transitions 0/172 dead transitions. [2024-11-24 01:51:44,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 172 transitions, 680 flow [2024-11-24 01:51:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:51:44,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 01:51:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 626 transitions. [2024-11-24 01:51:44,263 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7347417840375586 [2024-11-24 01:51:44,263 INFO L175 Difference]: Start difference. First operand has 135 places, 158 transitions, 492 flow. Second operand 6 states and 626 transitions. [2024-11-24 01:51:44,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 172 transitions, 680 flow [2024-11-24 01:51:44,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 172 transitions, 680 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 01:51:44,275 INFO L231 Difference]: Finished difference. Result has 138 places, 156 transitions, 524 flow [2024-11-24 01:51:44,277 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=524, PETRI_PLACES=138, PETRI_TRANSITIONS=156} [2024-11-24 01:51:44,277 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 10 predicate places. [2024-11-24 01:51:44,278 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 156 transitions, 524 flow [2024-11-24 01:51:44,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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) [2024-11-24 01:51:44,278 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:51:44,279 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] [2024-11-24 01:51:44,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:51:44,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-24 01:51:44,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:44,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2017698918, now seen corresponding path program 1 times [2024-11-24 01:51:44,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:44,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086959402] [2024-11-24 01:51:44,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:44,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:51:44,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:44,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086959402] [2024-11-24 01:51:44,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086959402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:44,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:44,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:51:44,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260683291] [2024-11-24 01:51:44,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:44,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:51:44,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:44,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:51:44,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:51:45,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 142 [2024-11-24 01:51:45,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 156 transitions, 524 flow. Second operand has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 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) [2024-11-24 01:51:45,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:51:45,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 142 [2024-11-24 01:51:45,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:51:45,515 INFO L124 PetriNetUnfolderBase]: 396/1537 cut-off events. [2024-11-24 01:51:45,515 INFO L125 PetriNetUnfolderBase]: For 523/525 co-relation queries the response was YES. [2024-11-24 01:51:45,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3129 conditions, 1537 events. 396/1537 cut-off events. For 523/525 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10088 event pairs, 207 based on Foata normal form. 0/1465 useless extension candidates. Maximal degree in co-relation 3082. Up to 748 conditions per place. [2024-11-24 01:51:45,529 INFO L140 encePairwiseOnDemand]: 131/142 looper letters, 85 selfloop transitions, 32 changer transitions 0/199 dead transitions. [2024-11-24 01:51:45,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 199 transitions, 914 flow [2024-11-24 01:51:45,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:51:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 01:51:45,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 623 transitions. [2024-11-24 01:51:45,533 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7312206572769953 [2024-11-24 01:51:45,533 INFO L175 Difference]: Start difference. First operand has 138 places, 156 transitions, 524 flow. Second operand 6 states and 623 transitions. [2024-11-24 01:51:45,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 199 transitions, 914 flow [2024-11-24 01:51:45,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 199 transitions, 878 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 01:51:45,548 INFO L231 Difference]: Finished difference. Result has 143 places, 183 transitions, 772 flow [2024-11-24 01:51:45,552 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=772, PETRI_PLACES=143, PETRI_TRANSITIONS=183} [2024-11-24 01:51:45,553 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 15 predicate places. [2024-11-24 01:51:45,553 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 183 transitions, 772 flow [2024-11-24 01:51:45,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 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) [2024-11-24 01:51:45,553 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:51:45,553 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] [2024-11-24 01:51:45,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:51:45,554 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-24 01:51:45,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:45,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1228497326, now seen corresponding path program 1 times [2024-11-24 01:51:45,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:45,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691274416] [2024-11-24 01:51:45,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:45,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:51:45,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:45,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691274416] [2024-11-24 01:51:45,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691274416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:45,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:45,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:51:45,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273790544] [2024-11-24 01:51:45,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:45,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:51:45,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:45,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:51:45,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:51:45,896 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2024-11-24 01:51:45,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 183 transitions, 772 flow. Second operand has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 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) [2024-11-24 01:51:45,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:51:45,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2024-11-24 01:51:45,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:51:46,048 INFO L124 PetriNetUnfolderBase]: 19/404 cut-off events. [2024-11-24 01:51:46,048 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-11-24 01:51:46,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 404 events. 19/404 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1409 event pairs, 11 based on Foata normal form. 4/398 useless extension candidates. Maximal degree in co-relation 575. Up to 43 conditions per place. [2024-11-24 01:51:46,051 INFO L140 encePairwiseOnDemand]: 133/142 looper letters, 7 selfloop transitions, 8 changer transitions 10/126 dead transitions. [2024-11-24 01:51:46,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 126 transitions, 368 flow [2024-11-24 01:51:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:51:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 01:51:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 607 transitions. [2024-11-24 01:51:46,056 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8549295774647887 [2024-11-24 01:51:46,057 INFO L175 Difference]: Start difference. First operand has 143 places, 183 transitions, 772 flow. Second operand 5 states and 607 transitions. [2024-11-24 01:51:46,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 126 transitions, 368 flow [2024-11-24 01:51:46,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 126 transitions, 305 flow, removed 12 selfloop flow, removed 17 redundant places. [2024-11-24 01:51:46,062 INFO L231 Difference]: Finished difference. Result has 129 places, 114 transitions, 269 flow [2024-11-24 01:51:46,063 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=269, PETRI_PLACES=129, PETRI_TRANSITIONS=114} [2024-11-24 01:51:46,063 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 1 predicate places. [2024-11-24 01:51:46,063 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 114 transitions, 269 flow [2024-11-24 01:51:46,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 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) [2024-11-24 01:51:46,065 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:51:46,065 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] [2024-11-24 01:51:46,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:51:46,065 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-24 01:51:46,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:46,066 INFO L85 PathProgramCache]: Analyzing trace with hash -772507932, now seen corresponding path program 1 times [2024-11-24 01:51:46,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:46,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686941752] [2024-11-24 01:51:46,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:46,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:51:46,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:46,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686941752] [2024-11-24 01:51:46,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686941752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:46,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:46,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:51:46,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150600326] [2024-11-24 01:51:46,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:46,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:51:46,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:46,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:51:46,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:51:46,772 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 142 [2024-11-24 01:51:46,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 114 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 95.5) internal successors, (573), 6 states have internal predecessors, (573), 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) [2024-11-24 01:51:46,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:51:46,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 142 [2024-11-24 01:51:46,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:51:46,960 INFO L124 PetriNetUnfolderBase]: 74/453 cut-off events. [2024-11-24 01:51:46,960 INFO L125 PetriNetUnfolderBase]: For 88/91 co-relation queries the response was YES. [2024-11-24 01:51:46,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 453 events. 74/453 cut-off events. For 88/91 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1847 event pairs, 60 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 788. Up to 216 conditions per place. [2024-11-24 01:51:46,962 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 0 selfloop transitions, 0 changer transitions 121/121 dead transitions. [2024-11-24 01:51:46,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 391 flow [2024-11-24 01:51:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:51:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 01:51:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 591 transitions. [2024-11-24 01:51:46,964 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6936619718309859 [2024-11-24 01:51:46,965 INFO L175 Difference]: Start difference. First operand has 129 places, 114 transitions, 269 flow. Second operand 6 states and 591 transitions. [2024-11-24 01:51:46,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 391 flow [2024-11-24 01:51:46,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 121 transitions, 385 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-24 01:51:46,967 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2024-11-24 01:51:46,967 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2024-11-24 01:51:46,968 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, -6 predicate places. [2024-11-24 01:51:46,968 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2024-11-24 01:51:46,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.5) internal successors, (573), 6 states have internal predecessors, (573), 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) [2024-11-24 01:51:46,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-24 01:51:46,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2024-11-24 01:51:46,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-24 01:51:46,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-24 01:51:46,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-24 01:51:46,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-24 01:51:46,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-24 01:51:46,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-24 01:51:46,973 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-24 01:51:46,973 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-24 01:51:46,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:51:46,973 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 01:51:46,979 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 01:51:46,979 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:51:46,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:51:46 BasicIcfg [2024-11-24 01:51:46,988 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:51:46,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:51:46,989 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:51:46,989 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:51:46,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:40" (3/4) ... [2024-11-24 01:51:46,994 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:51:46,997 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-24 01:51:47,002 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 01:51:47,003 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:51:47,003 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 01:51:47,003 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:51:47,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:51:47,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:51:47,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:51:47,089 INFO L158 Benchmark]: Toolchain (without parser) took 7968.86ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.4MB in the beginning and 45.1MB in the end (delta: 46.3MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2024-11-24 01:51:47,090 INFO L158 Benchmark]: CDTParser took 2.62ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:51:47,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.82ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 70.5MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:51:47,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.08ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:51:47,091 INFO L158 Benchmark]: Boogie Preprocessor took 40.65ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:51:47,093 INFO L158 Benchmark]: RCFGBuilder took 642.55ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 47.6MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:51:47,094 INFO L158 Benchmark]: TraceAbstraction took 6533.70ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 47.0MB in the beginning and 49.0MB in the end (delta: -2.0MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-24 01:51:47,095 INFO L158 Benchmark]: Witness Printer took 99.21ms. Allocated memory is still 142.6MB. Free memory was 49.0MB in the beginning and 45.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:51:47,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.62ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.82ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 70.5MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.08ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.65ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 642.55ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 47.6MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6533.70ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 47.0MB in the beginning and 49.0MB in the end (delta: -2.0MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Witness Printer took 99.21ms. Allocated memory is still 142.6MB. Free memory was 49.0MB in the beginning and 45.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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, 193 locations, 10 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: 6.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 471 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1183 IncrementalHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 42 mSDtfsCounter, 1183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=772occurred in iteration=3, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 793 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! [2024-11-24 01:51:47,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b506aa-a383-49a4-a70b-213f1e3cee9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE