./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/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_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX --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 0.2.5-dev-a016563 [2024-11-08 17:08:18,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:08:18,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:08:18,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:08:18,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:08:18,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:08:18,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:08:18,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:08:18,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:08:18,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:08:18,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:08:18,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:08:18,433 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:08:18,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:08:18,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:08:18,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:08:18,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:08:18,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:08:18,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:08:18,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:08:18,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:08:18,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:08:18,445 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:08:18,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:08:18,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:08:18,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:08:18,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:08:18,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:08:18,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:08:18,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:08:18,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:08:18,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:08:18,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:08:18,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:08:18,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:08:18,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:08:18,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:08:18,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:08:18,472 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:08:18,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:08:18,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:08:18,473 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf [2024-11-08 17:08:18,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:08:18,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:08:18,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:08:18,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:08:18,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:08:18,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i Unable to find full path for "g++" [2024-11-08 17:08:20,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:08:21,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:08:21,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2024-11-08 17:08:21,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/data/2fbcae5b4/5b860e3702cd484a894bb1adb6feef40/FLAGa9e6fb266 [2024-11-08 17:08:21,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/data/2fbcae5b4/5b860e3702cd484a894bb1adb6feef40 [2024-11-08 17:08:21,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:08:21,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:08:21,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:08:21,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:08:21,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:08:21,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:21" (1/1) ... [2024-11-08 17:08:21,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed373bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:21, skipping insertion in model container [2024-11-08 17:08:21,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:21" (1/1) ... [2024-11-08 17:08:21,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:08:22,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:08:22,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:08:22,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:08:22,256 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:08:22,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22 WrapperNode [2024-11-08 17:08:22,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:08:22,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:08:22,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:08:22,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:08:22,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,335 INFO L138 Inliner]: procedures = 171, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-08 17:08:22,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:08:22,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:08:22,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:08:22,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:08:22,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:08:22,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:08:22,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:08:22,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:08:22,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (1/1) ... [2024-11-08 17:08:22,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:08:22,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:08:22,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:08:22,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:08:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 17:08:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 17:08:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 17:08:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:08:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:08:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 17:08:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 17:08:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:08:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:08:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 17:08:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:08:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:08:22,555 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:08:22,716 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:08:22,718 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:08:23,078 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:08:23,078 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:08:23,129 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:08:23,133 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-08 17:08:23,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:23 BoogieIcfgContainer [2024-11-08 17:08:23,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:08:23,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:08:23,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:08:23,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:08:23,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:08:21" (1/3) ... [2024-11-08 17:08:23,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ff2d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:08:23, skipping insertion in model container [2024-11-08 17:08:23,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:22" (2/3) ... [2024-11-08 17:08:23,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ff2d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:08:23, skipping insertion in model container [2024-11-08 17:08:23,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:23" (3/3) ... [2024-11-08 17:08:23,147 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2024-11-08 17:08:23,169 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:08:23,169 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-08 17:08:23,170 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:08:23,297 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 17:08:23,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 142 transitions, 291 flow [2024-11-08 17:08:23,445 INFO L124 PetriNetUnfolderBase]: 10/141 cut-off events. [2024-11-08 17:08:23,445 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:08:23,452 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 306 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. [2024-11-08 17:08:23,453 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 142 transitions, 291 flow [2024-11-08 17:08:23,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 134 transitions, 271 flow [2024-11-08 17:08:23,471 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:08:23,479 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;@2cf36a01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:08:23,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-08 17:08:23,512 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:08:23,513 INFO L124 PetriNetUnfolderBase]: 2/77 cut-off events. [2024-11-08 17:08:23,513 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:08:23,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:08:23,515 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:08:23,516 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)] === [2024-11-08 17:08:23,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:08:23,526 INFO L85 PathProgramCache]: Analyzing trace with hash -450543562, now seen corresponding path program 1 times [2024-11-08 17:08:23,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:08:23,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525432950] [2024-11-08 17:08:23,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:08:23,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:08:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:24,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:08:24,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:08:24,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525432950] [2024-11-08 17:08:24,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525432950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:08:24,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:08:24,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:08:24,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654615294] [2024-11-08 17:08:24,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:08:24,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:08:24,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:08:24,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:08:24,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:08:25,389 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 142 [2024-11-08 17:08:25,397 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) [2024-11-08 17:08:25,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:08:25,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 142 [2024-11-08 17:08:25,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:08:25,949 INFO L124 PetriNetUnfolderBase]: 202/997 cut-off events. [2024-11-08 17:08:25,949 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:08:25,959 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 5990 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. [2024-11-08 17:08:25,976 INFO L140 encePairwiseOnDemand]: 118/142 looper letters, 44 selfloop transitions, 37 changer transitions 8/184 dead transitions. [2024-11-08 17:08:25,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 184 transitions, 549 flow [2024-11-08 17:08:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:08:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:08:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 733 transitions. [2024-11-08 17:08:26,023 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8603286384976526 [2024-11-08 17:08:26,029 INFO L175 Difference]: Start difference. First operand has 128 places, 134 transitions, 271 flow. Second operand 6 states and 733 transitions. [2024-11-08 17:08:26,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 184 transitions, 549 flow [2024-11-08 17:08:26,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 184 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:08:26,046 INFO L231 Difference]: Finished difference. Result has 135 places, 158 transitions, 492 flow [2024-11-08 17:08:26,049 INFO L260 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} [2024-11-08 17:08:26,054 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, 7 predicate places. [2024-11-08 17:08:26,055 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 158 transitions, 492 flow [2024-11-08 17:08:26,056 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) [2024-11-08 17:08:26,057 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:08:26,058 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:08:26,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:08:26,059 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)] === [2024-11-08 17:08:26,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:08:26,062 INFO L85 PathProgramCache]: Analyzing trace with hash 2057425047, now seen corresponding path program 1 times [2024-11-08 17:08:26,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:08:26,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846132780] [2024-11-08 17:08:26,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:08:26,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:08:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:08:26,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:08:26,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846132780] [2024-11-08 17:08:26,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846132780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:08:26,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:08:26,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:08:26,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534052552] [2024-11-08 17:08:26,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:08:26,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:08:26,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:08:26,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:08:26,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:08:26,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 142 [2024-11-08 17:08:26,856 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) [2024-11-08 17:08:26,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:08:26,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 142 [2024-11-08 17:08:26,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:08:27,195 INFO L124 PetriNetUnfolderBase]: 211/1001 cut-off events. [2024-11-08 17:08:27,196 INFO L125 PetriNetUnfolderBase]: For 184/190 co-relation queries the response was YES. [2024-11-08 17:08:27,203 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 6103 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. [2024-11-08 17:08:27,209 INFO L140 encePairwiseOnDemand]: 130/142 looper letters, 62 selfloop transitions, 18 changer transitions 0/172 dead transitions. [2024-11-08 17:08:27,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 172 transitions, 680 flow [2024-11-08 17:08:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:08:27,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:08:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 626 transitions. [2024-11-08 17:08:27,217 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7347417840375586 [2024-11-08 17:08:27,218 INFO L175 Difference]: Start difference. First operand has 135 places, 158 transitions, 492 flow. Second operand 6 states and 626 transitions. [2024-11-08 17:08:27,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 172 transitions, 680 flow [2024-11-08 17:08:27,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 172 transitions, 680 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:08:27,232 INFO L231 Difference]: Finished difference. Result has 138 places, 156 transitions, 524 flow [2024-11-08 17:08:27,233 INFO L260 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} [2024-11-08 17:08:27,234 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, 10 predicate places. [2024-11-08 17:08:27,235 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 156 transitions, 524 flow [2024-11-08 17:08:27,236 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) [2024-11-08 17:08:27,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:08:27,237 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:08:27,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:08:27,238 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)] === [2024-11-08 17:08:27,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:08:27,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2089788384, now seen corresponding path program 1 times [2024-11-08 17:08:27,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:08:27,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692560750] [2024-11-08 17:08:27,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:08:27,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:08:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:08:27,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:08:27,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692560750] [2024-11-08 17:08:27,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692560750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:08:27,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:08:27,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:08:27,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685681018] [2024-11-08 17:08:27,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:08:27,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:08:27,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:08:27,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:08:27,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:08:28,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 142 [2024-11-08 17:08:28,074 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) [2024-11-08 17:08:28,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:08:28,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 142 [2024-11-08 17:08:28,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:08:28,598 INFO L124 PetriNetUnfolderBase]: 396/1537 cut-off events. [2024-11-08 17:08:28,598 INFO L125 PetriNetUnfolderBase]: For 523/525 co-relation queries the response was YES. [2024-11-08 17:08:28,604 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 10076 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. [2024-11-08 17:08:28,610 INFO L140 encePairwiseOnDemand]: 131/142 looper letters, 85 selfloop transitions, 32 changer transitions 0/199 dead transitions. [2024-11-08 17:08:28,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 199 transitions, 914 flow [2024-11-08 17:08:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:08:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:08:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 623 transitions. [2024-11-08 17:08:28,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7312206572769953 [2024-11-08 17:08:28,614 INFO L175 Difference]: Start difference. First operand has 138 places, 156 transitions, 524 flow. Second operand 6 states and 623 transitions. [2024-11-08 17:08:28,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 199 transitions, 914 flow [2024-11-08 17:08:28,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 199 transitions, 878 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:08:28,629 INFO L231 Difference]: Finished difference. Result has 143 places, 183 transitions, 772 flow [2024-11-08 17:08:28,630 INFO L260 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} [2024-11-08 17:08:28,631 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, 15 predicate places. [2024-11-08 17:08:28,631 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 183 transitions, 772 flow [2024-11-08 17:08:28,632 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) [2024-11-08 17:08:28,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:08:28,632 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:08:28,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:08:28,633 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)] === [2024-11-08 17:08:28,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:08:28,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1371975434, now seen corresponding path program 1 times [2024-11-08 17:08:28,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:08:28,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577116560] [2024-11-08 17:08:28,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:08:28,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:08:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:08:28,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:08:28,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577116560] [2024-11-08 17:08:28,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577116560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:08:28,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:08:28,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:08:28,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925146573] [2024-11-08 17:08:28,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:08:28,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:08:28,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:08:28,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:08:28,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:08:29,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2024-11-08 17:08:29,026 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) [2024-11-08 17:08:29,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:08:29,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2024-11-08 17:08:29,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:08:29,194 INFO L124 PetriNetUnfolderBase]: 19/404 cut-off events. [2024-11-08 17:08:29,194 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-11-08 17:08:29,195 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 1407 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. [2024-11-08 17:08:29,197 INFO L140 encePairwiseOnDemand]: 133/142 looper letters, 7 selfloop transitions, 8 changer transitions 10/126 dead transitions. [2024-11-08 17:08:29,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 126 transitions, 368 flow [2024-11-08 17:08:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:08:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:08:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 607 transitions. [2024-11-08 17:08:29,200 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8549295774647887 [2024-11-08 17:08:29,200 INFO L175 Difference]: Start difference. First operand has 143 places, 183 transitions, 772 flow. Second operand 5 states and 607 transitions. [2024-11-08 17:08:29,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 126 transitions, 368 flow [2024-11-08 17:08:29,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 126 transitions, 305 flow, removed 12 selfloop flow, removed 17 redundant places. [2024-11-08 17:08:29,205 INFO L231 Difference]: Finished difference. Result has 129 places, 114 transitions, 269 flow [2024-11-08 17:08:29,206 INFO L260 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} [2024-11-08 17:08:29,207 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, 1 predicate places. [2024-11-08 17:08:29,207 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 114 transitions, 269 flow [2024-11-08 17:08:29,208 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) [2024-11-08 17:08:29,208 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:08:29,208 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:08:29,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:08:29,209 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)] === [2024-11-08 17:08:29,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:08:29,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1762714083, now seen corresponding path program 1 times [2024-11-08 17:08:29,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:08:29,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327271250] [2024-11-08 17:08:29,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:08:29,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:08:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:08:29,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:08:29,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327271250] [2024-11-08 17:08:29,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327271250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:08:29,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:08:29,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:08:29,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222403942] [2024-11-08 17:08:29,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:08:29,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:08:29,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:08:29,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:08:29,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:08:30,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 142 [2024-11-08 17:08:30,003 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) [2024-11-08 17:08:30,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:08:30,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 142 [2024-11-08 17:08:30,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:08:30,223 INFO L124 PetriNetUnfolderBase]: 74/453 cut-off events. [2024-11-08 17:08:30,223 INFO L125 PetriNetUnfolderBase]: For 88/91 co-relation queries the response was YES. [2024-11-08 17:08:30,224 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 1846 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. [2024-11-08 17:08:30,225 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 0 selfloop transitions, 0 changer transitions 121/121 dead transitions. [2024-11-08 17:08:30,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 391 flow [2024-11-08 17:08:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:08:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:08:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 591 transitions. [2024-11-08 17:08:30,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6936619718309859 [2024-11-08 17:08:30,228 INFO L175 Difference]: Start difference. First operand has 129 places, 114 transitions, 269 flow. Second operand 6 states and 591 transitions. [2024-11-08 17:08:30,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 391 flow [2024-11-08 17:08:30,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 121 transitions, 385 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 17:08:30,231 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2024-11-08 17:08:30,231 INFO L260 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} [2024-11-08 17:08:30,235 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, -6 predicate places. [2024-11-08 17:08:30,235 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2024-11-08 17:08:30,237 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) [2024-11-08 17:08:30,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-08 17:08:30,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2024-11-08 17:08:30,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-08 17:08:30,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-08 17:08:30,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-08 17:08:30,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-08 17:08:30,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-08 17:08:30,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-08 17:08:30,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-08 17:08:30,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-08 17:08:30,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:08:30,247 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 17:08:30,257 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:08:30,258 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:08:30,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:08:30 BasicIcfg [2024-11-08 17:08:30,272 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:08:30,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:08:30,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:08:30,273 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:08:30,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:23" (3/4) ... [2024-11-08 17:08:30,277 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:08:30,282 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-08 17:08:30,286 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 17:08:30,286 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:08:30,287 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 17:08:30,287 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:08:30,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:08:30,384 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:08:30,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:08:30,385 INFO L158 Benchmark]: Toolchain (without parser) took 8873.34ms. Allocated memory was 125.8MB in the beginning and 257.9MB in the end (delta: 132.1MB). Free memory was 61.4MB in the beginning and 99.3MB in the end (delta: -37.9MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2024-11-08 17:08:30,386 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:08:30,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.46ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 61.3MB in the beginning and 127.3MB in the end (delta: -66.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-08 17:08:30,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.03ms. Allocated memory is still 178.3MB. Free memory was 127.3MB in the beginning and 125.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:08:30,391 INFO L158 Benchmark]: Boogie Preprocessor took 67.43ms. Allocated memory is still 178.3MB. Free memory was 125.2MB in the beginning and 123.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:08:30,392 INFO L158 Benchmark]: RCFGBuilder took 729.58ms. Allocated memory is still 178.3MB. Free memory was 123.1MB in the beginning and 126.9MB in the end (delta: -3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:08:30,392 INFO L158 Benchmark]: TraceAbstraction took 7136.26ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 125.7MB in the beginning and 103.5MB in the end (delta: 22.2MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2024-11-08 17:08:30,393 INFO L158 Benchmark]: Witness Printer took 111.48ms. Allocated memory is still 257.9MB. Free memory was 103.5MB in the beginning and 99.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:08:30,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 741.46ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 61.3MB in the beginning and 127.3MB in the end (delta: -66.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.03ms. Allocated memory is still 178.3MB. Free memory was 127.3MB in the beginning and 125.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.43ms. Allocated memory is still 178.3MB. Free memory was 125.2MB in the beginning and 123.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 729.58ms. Allocated memory is still 178.3MB. Free memory was 123.1MB in the beginning and 126.9MB in the end (delta: -3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7136.26ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 125.7MB in the beginning and 103.5MB in the end (delta: 22.2MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Witness Printer took 111.48ms. Allocated memory is still 257.9MB. Free memory was 103.5MB in the beginning and 99.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 471 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 1.6s 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, 0.2s SatisfiabilityAnalysisTime, 2.9s 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:08:30,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf9d4a9-6aea-40f4-85a2-24cb58c7b2d6/bin/uautomizer-verify-jihMAELWvX/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