./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:52:19,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:52:19,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:52:19,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:52:19,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:52:19,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:52:19,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:52:19,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:52:19,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:52:19,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:52:19,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:52:19,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:52:19,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:52:19,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:52:19,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:52:19,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:52:19,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:52:19,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:52:19,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:52:19,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:52:19,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:52:19,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:52:19,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:52:19,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:52:19,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:52:19,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:52:19,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:52:19,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:52:19,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:52:19,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:52:19,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:52:19,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:52:19,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:52:19,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:52:19,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:52:19,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:52:19,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:52:19,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:52:19,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:52:19,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:52:19,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:52:19,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 14:52:19,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:52:19,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:52:19,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:52:19,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:52:19,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:52:19,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:52:19,861 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:52:19,861 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:52:19,862 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:52:19,862 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:52:19,863 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:52:19,863 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:52:19,863 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:52:19,863 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:52:19,864 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:52:19,864 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:52:19,864 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:52:19,864 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:52:19,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:52:19,865 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:52:19,865 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:52:19,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:52:19,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:52:19,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:52:19,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:52:19,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:52:19,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:52:19,866 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 14:52:19,867 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:52:19,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:52:19,867 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:52:19,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:52:19,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:52:19,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:52:19,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:52:19,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:52:19,868 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:52:19,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:52:19,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:52:19,869 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:52:19,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:52:19,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:52:19,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:52:19,870 INFO L138 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_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 [2022-11-23 14:52:20,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:52:20,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:52:20,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:52:20,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:52:20,159 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:52:20,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-11-23 14:52:23,325 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:52:23,570 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:52:23,570 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-11-23 14:52:23,592 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/data/5af83495b/a5e53e038eec4be69ebef38546dfba15/FLAG4da9adb06 [2022-11-23 14:52:23,607 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/data/5af83495b/a5e53e038eec4be69ebef38546dfba15 [2022-11-23 14:52:23,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:52:23,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:52:23,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:52:23,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:52:23,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:52:23,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:23" (1/1) ... [2022-11-23 14:52:23,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3e4186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:23, skipping insertion in model container [2022-11-23 14:52:23,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:23" (1/1) ... [2022-11-23 14:52:23,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:52:23,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:52:23,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-23 14:52:24,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:52:24,179 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:52:24,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-23 14:52:24,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:52:24,288 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:52:24,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24 WrapperNode [2022-11-23 14:52:24,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:52:24,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:52:24,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:52:24,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:52:24,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,350 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 517 [2022-11-23 14:52:24,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:52:24,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:52:24,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:52:24,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:52:24,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,482 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:52:24,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:52:24,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:52:24,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:52:24,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (1/1) ... [2022-11-23 14:52:24,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:52:24,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:52:24,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:52:24,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ee0a3e-53cc-4fc3-b58b-ae1daedc9610/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:52:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:52:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 14:52:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:52:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:52:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:52:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-23 14:52:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-23 14:52:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-23 14:52:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-23 14:52:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-23 14:52:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-23 14:52:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-23 14:52:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-23 14:52:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:52:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 14:52:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:52:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:52:24,599 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:52:24,896 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:52:24,898 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:52:26,521 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:53:27,843 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:53:27,844 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:53:27,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:27 BoogieIcfgContainer [2022-11-23 14:53:27,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:53:27,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:53:27,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:53:27,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:53:27,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:52:23" (1/3) ... [2022-11-23 14:53:27,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55227853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:27, skipping insertion in model container [2022-11-23 14:53:27,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24" (2/3) ... [2022-11-23 14:53:27,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55227853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:27, skipping insertion in model container [2022-11-23 14:53:27,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:27" (3/3) ... [2022-11-23 14:53:27,858 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-11-23 14:53:27,871 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:53:27,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:53:27,885 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 283 error locations. [2022-11-23 14:53:27,885 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 14:53:39,600 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 14:53:39,638 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 14:53:39,652 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 424 transitions, 868 flow [2022-11-23 14:53:39,655 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 424 transitions, 868 flow [2022-11-23 14:53:39,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 435 places, 424 transitions, 868 flow [2022-11-23 14:53:45,208 INFO L130 PetriNetUnfolder]: 2/420 cut-off events. [2022-11-23 14:53:45,209 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 14:53:45,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 420 events. 2/420 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2180 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 378. Up to 2 conditions per place. [2022-11-23 14:53:45,258 INFO L119 LiptonReduction]: Number of co-enabled transitions 95780 [2022-11-23 14:56:01,547 WARN L233 SmtUtils]: Spent 1.98m on a formula simplification. DAG size of input: 9198 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)