./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix006_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 932dbff5eab91f48afae7fbaa75574114ec0af0a04ac9352bdcfc8911a65e56a --- 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 02:45:05,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:45:05,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:45:05,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:45:05,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:45:05,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:45:05,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:45:05,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:45:05,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:45:05,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:45:05,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:45:05,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:45:05,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:45:05,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:45:05,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:45:05,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:45:05,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:45:05,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:45:05,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:45:05,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:45:05,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:45:05,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:45:05,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:45:05,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:45:05,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:45:05,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:45:05,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:45:05,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:45:05,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:45:05,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:45:05,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:45:05,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:45:05,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:45:05,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:45:05,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:45:05,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:45:05,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:45:05,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:45:05,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:45:05,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:45:05,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:45:05,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 02:45:05,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:45:05,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:45:05,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:45:05,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:45:05,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:45:05,738 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:45:05,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:45:05,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:45:05,739 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:45:05,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:45:05,741 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:45:05,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:45:05,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:45:05,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:45:05,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:45:05,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:45:05,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:45:05,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:45:05,742 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 02:45:05,743 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:45:05,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:45:05,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:45:05,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:45:05,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:45:05,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:45:05,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:45:05,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:45:05,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:45:05,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:45:05,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:45:05,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:45:05,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:45:05,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:45:05,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:45:05,746 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:45:05,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:45:05,747 INFO L138 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_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932dbff5eab91f48afae7fbaa75574114ec0af0a04ac9352bdcfc8911a65e56a [2022-11-23 02:45:06,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:45:06,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:45:06,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:45:06,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:45:06,034 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:45:06,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/pthread-wmm/mix006_power.oepc_pso.oepc_rmo.oepc.i [2022-11-23 02:45:09,290 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:45:09,589 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:45:09,589 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/sv-benchmarks/c/pthread-wmm/mix006_power.oepc_pso.oepc_rmo.oepc.i [2022-11-23 02:45:09,604 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/data/15ee26145/d0d84d56971b45cc8d6b03765cfd9dac/FLAGeb890bbd8 [2022-11-23 02:45:09,621 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/data/15ee26145/d0d84d56971b45cc8d6b03765cfd9dac [2022-11-23 02:45:09,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:45:09,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:45:09,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:45:09,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:45:09,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:45:09,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:45:09" (1/1) ... [2022-11-23 02:45:09,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40344774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:09, skipping insertion in model container [2022-11-23 02:45:09,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:45:09" (1/1) ... [2022-11-23 02:45:09,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:45:09,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:45:09,888 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_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/sv-benchmarks/c/pthread-wmm/mix006_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-23 02:45:10,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:45:10,191 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:45:10,212 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_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/sv-benchmarks/c/pthread-wmm/mix006_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-23 02:45:10,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:45:10,381 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:45:10,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10 WrapperNode [2022-11-23 02:45:10,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:45:10,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:45:10,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:45:10,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:45:10,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,499 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 496 [2022-11-23 02:45:10,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:45:10,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:45:10,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:45:10,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:45:10,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,601 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:45:10,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:45:10,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:45:10,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:45:10,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (1/1) ... [2022-11-23 02:45:10,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:45:10,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:45:10,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:45:10,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6af349-d9cb-40fc-acc1-500c8e9a15b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:45:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:45:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 02:45:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:45:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:45:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:45:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-23 02:45:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-23 02:45:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-23 02:45:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-23 02:45:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-23 02:45:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-23 02:45:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:45:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 02:45:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:45:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:45:10,735 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 02:45:10,979 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:45:10,983 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:45:12,674 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:45:40,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:45:40,457 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:45:40,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:45:40 BoogieIcfgContainer [2022-11-23 02:45:40,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:45:40,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:45:40,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:45:40,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:45:40,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:45:09" (1/3) ... [2022-11-23 02:45:40,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7433bad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:45:40, skipping insertion in model container [2022-11-23 02:45:40,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:10" (2/3) ... [2022-11-23 02:45:40,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7433bad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:45:40, skipping insertion in model container [2022-11-23 02:45:40,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:45:40" (3/3) ... [2022-11-23 02:45:40,470 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006_power.oepc_pso.oepc_rmo.oepc.i [2022-11-23 02:45:40,480 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 02:45:40,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:45:40,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 250 error locations. [2022-11-23 02:45:40,492 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 02:45:46,021 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 02:45:46,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 379 places, 371 transitions, 757 flow [2022-11-23 02:45:48,027 INFO L130 PetriNetUnfolder]: 2/368 cut-off events. [2022-11-23 02:45:48,027 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:45:48,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 368 events. 2/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1978 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 327. Up to 2 conditions per place. [2022-11-23 02:45:48,044 INFO L82 GeneralOperation]: Start removeDead. Operand has 379 places, 371 transitions, 757 flow [2022-11-23 02:45:48,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 376 places, 368 transitions, 745 flow [2022-11-23 02:45:48,064 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 02:45:48,079 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 368 transitions, 745 flow [2022-11-23 02:45:48,082 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 368 transitions, 745 flow [2022-11-23 02:45:48,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 368 transitions, 745 flow [2022-11-23 02:45:49,539 INFO L130 PetriNetUnfolder]: 2/368 cut-off events. [2022-11-23 02:45:49,539 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:45:49,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 368 events. 2/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1977 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 327. Up to 2 conditions per place. [2022-11-23 02:45:49,568 INFO L119 LiptonReduction]: Number of co-enabled transitions 68504 [2022-11-23 02:47:11,129 WARN L233 SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 2502 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:47:31,168 WARN L233 SmtUtils]: Spent 20.01s on a formula simplification. DAG size of input: 3061 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)