./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.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_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e872da92455c9ab0fe125378ae9802f1d4dfc806cea229583fb74f8b758e929f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:32:43,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:32:43,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-23 11:32:43,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:32:43,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:32:43,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:32:43,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:32:43,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:32:43,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:32:43,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:32:43,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:32:43,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:32:43,606 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:32:43,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:32:43,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:32:43,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:32:43,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:32:43,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:32:43,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:32:43,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:32:43,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:32:43,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:32:43,608 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 11:32:43,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 11:32:43,609 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:32:43,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:32:43,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:32:43,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:32:43,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:32:43,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:32:43,610 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-23 11:32:43,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:32:43,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:32:43,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:32:43,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:32:43,611 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:32:43,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:32:43,612 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:32:43,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:32:43,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:32:43,612 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-23 11:32:43,612 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:32:43,612 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:32:43,612 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:32:43,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca 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 -> GemCutter 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 -> e872da92455c9ab0fe125378ae9802f1d4dfc806cea229583fb74f8b758e929f [2024-11-23 11:32:43,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:32:44,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:32:44,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:32:44,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:32:44,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:32:44,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2024-11-23 11:32:47,323 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/data/ce0f95b3a/0b5098652c944a2ab5da874a57c452cf/FLAG9a759915d [2024-11-23 11:32:47,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:32:47,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2024-11-23 11:32:47,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/data/ce0f95b3a/0b5098652c944a2ab5da874a57c452cf/FLAG9a759915d [2024-11-23 11:32:47,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/data/ce0f95b3a/0b5098652c944a2ab5da874a57c452cf [2024-11-23 11:32:47,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:32:47,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:32:47,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:32:47,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:32:47,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:32:47,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:47" (1/1) ... [2024-11-23 11:32:47,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c167ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:47, skipping insertion in model container [2024-11-23 11:32:47,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:47" (1/1) ... [2024-11-23 11:32:47,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:32:48,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:32:48,533 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:32:48,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:32:48,758 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:32:48,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48 WrapperNode [2024-11-23 11:32:48,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:32:48,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:32:48,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:32:48,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:32:48,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,874 INFO L138 Inliner]: procedures = 175, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 787 [2024-11-23 11:32:48,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:32:48,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:32:48,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:32:48,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:32:48,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,962 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:48,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:49,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:49,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:32:49,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:32:49,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:32:49,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:32:49,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (1/1) ... [2024-11-23 11:32:49,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:32:49,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:32:49,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:32:49,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:32:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:32:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:32:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:32:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:32:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 11:32:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 11:32:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 11:32:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 11:32:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 11:32:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 11:32:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:32:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:32:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:32:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:32:49,114 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:32:49,528 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:32:49,530 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:32:53,442 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:32:53,443 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:33:15,527 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:33:15,527 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 11:33:15,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:15 BoogieIcfgContainer [2024-11-23 11:33:15,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:33:15,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:33:15,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:33:15,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:33:15,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:47" (1/3) ... [2024-11-23 11:33:15,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b9bd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:15, skipping insertion in model container [2024-11-23 11:33:15,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:48" (2/3) ... [2024-11-23 11:33:15,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b9bd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:15, skipping insertion in model container [2024-11-23 11:33:15,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:15" (3/3) ... [2024-11-23 11:33:15,540 INFO L128 eAbstractionObserver]: Analyzing ICFG safe000_power.oepc.i [2024-11-23 11:33:15,560 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:33:15,563 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe000_power.oepc.i that has 4 procedures, 577 locations, 1 initial locations, 0 loop locations, and 449 error locations. [2024-11-23 11:33:15,564 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:33:17,159 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 11:33:17,223 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:33:17,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:33:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:17,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:33:17,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a112bc-42bc-4c54-8bf0-7e75d01188dc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:33:17,389 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:33:17,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2024-11-23 11:33:17,410 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=PARTIAL_ORDER_FA, 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;@355ecc4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:33:17,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 127 error locations.