./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0 --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 7db5da573de5a20455a36e013b1614f5d7f4dede9c4027ebf8a62a657a5ca5e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 14:20:20,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 14:20:21,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-02 14:20:21,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 14:20:21,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 14:20:21,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 14:20:21,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 14:20:21,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 14:20:21,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 14:20:21,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 14:20:21,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 14:20:21,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 14:20:21,135 INFO L153 SettingsManager]: * Use SBE=true [2024-11-02 14:20:21,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 14:20:21,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 14:20:21,138 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 14:20:21,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 14:20:21,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 14:20:21,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 14:20:21,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 14:20:21,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 14:20:21,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 14:20:21,143 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-02 14:20:21,144 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 14:20:21,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 14:20:21,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 14:20:21,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 14:20:21,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 14:20:21,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 14:20:21,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 14:20:21,145 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-02 14:20:21,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 14:20:21,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:20:21,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 14:20:21,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 14:20:21,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 14:20:21,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-02 14:20:21,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 14:20:21,149 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 14:20:21,149 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-02 14:20:21,149 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-02 14:20:21,150 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-02 14:20:21,150 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-02 14:20:21,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7db5da573de5a20455a36e013b1614f5d7f4dede9c4027ebf8a62a657a5ca5e2 [2024-11-02 14:20:21,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 14:20:21,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 14:20:21,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 14:20:21,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 14:20:21,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 14:20:21,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/../../sv-benchmarks/c/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.oepc.i Unable to find full path for "g++" [2024-11-02 14:20:23,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 14:20:23,948 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 14:20:23,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/sv-benchmarks/c/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.oepc.i [2024-11-02 14:20:23,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/data/0c4e8d616/a4adc72a68204ac391bd37cf774d5b17/FLAGc9d900cd3 [2024-11-02 14:20:23,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/data/0c4e8d616/a4adc72a68204ac391bd37cf774d5b17 [2024-11-02 14:20:23,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 14:20:24,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 14:20:24,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 14:20:24,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 14:20:24,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 14:20:24,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:20:23" (1/1) ... [2024-11-02 14:20:24,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e21987f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24, skipping insertion in model container [2024-11-02 14:20:24,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:20:23" (1/1) ... [2024-11-02 14:20:24,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 14:20:24,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:20:24,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 14:20:24,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:20:24,891 INFO L204 MainTranslator]: Completed translation [2024-11-02 14:20:24,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24 WrapperNode [2024-11-02 14:20:24,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 14:20:24,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 14:20:24,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 14:20:24,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 14:20:24,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:24,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,012 INFO L138 Inliner]: procedures = 174, calls = 34, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 897 [2024-11-02 14:20:25,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 14:20:25,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 14:20:25,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 14:20:25,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 14:20:25,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 14:20:25,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 14:20:25,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 14:20:25,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 14:20:25,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (1/1) ... [2024-11-02 14:20:25,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:20:25,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:20:25,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 14:20:25,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 14:20:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 14:20:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 14:20:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-02 14:20:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-02 14:20:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-02 14:20:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-02 14:20:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 14:20:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 14:20:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 14:20:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 14:20:25,207 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 14:20:25,475 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 14:20:25,498 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 14:20:27,121 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 14:20:27,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 14:20:32,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 14:20:32,681 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 14:20:32,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:32 BoogieIcfgContainer [2024-11-02 14:20:32,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 14:20:32,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 14:20:32,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 14:20:32,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 14:20:32,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:20:23" (1/3) ... [2024-11-02 14:20:32,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154bba95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:20:32, skipping insertion in model container [2024-11-02 14:20:32,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:24" (2/3) ... [2024-11-02 14:20:32,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154bba95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:20:32, skipping insertion in model container [2024-11-02 14:20:32,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:32" (3/3) ... [2024-11-02 14:20:32,695 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_power.oepc_pso.oepc_rmo.oepc.i [2024-11-02 14:20:32,716 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 14:20:32,717 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 207 error locations. [2024-11-02 14:20:32,717 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 14:20:32,900 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-02 14:20:32,983 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:20:32,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-02 14:20:32,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:20:32,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-02 14:20:32,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe2f02c-3589-4aa7-828b-f72910a7878c/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-02 14:20:33,034 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-02 14:20:33,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-02 14:20:33,059 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;@351b2c48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:20:33,059 INFO L334 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2024-11-02 14:20:37,016 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-02 14:20:37,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:20:37,022 INFO L85 PathProgramCache]: Analyzing trace with hash -361166035, now seen corresponding path program 1 times [2024-11-02 14:20:37,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:20:37,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914606420] [2024-11-02 14:20:37,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:20:37,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:20:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:20:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 14:20:37,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-02 14:20:37,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914606420] [2024-11-02 14:20:37,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914606420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:20:37,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:20:37,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 14:20:37,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049046402] [2024-11-02 14:20:37,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:20:37,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 14:20:37,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-02 14:20:37,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 14:20:37,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 14:20:37,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:37,360 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:20:37,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 44.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2024-11-02 14:20:37,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:37,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:37,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 14:20:37,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-02 14:20:37,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:20:37,397 INFO L85 PathProgramCache]: Analyzing trace with hash 812005468, now seen corresponding path program 1 times [2024-11-02 14:20:37,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:20:37,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981844535] [2024-11-02 14:20:37,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:20:37,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:20:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:20:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 14:20:37,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-02 14:20:37,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981844535] [2024-11-02 14:20:37,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981844535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:20:37,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:20:37,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 14:20:37,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846297089] [2024-11-02 14:20:37,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:20:37,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 14:20:37,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-02 14:20:37,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 14:20:37,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 14:20:37,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:37,561 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:20:37,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-02 14:20:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.