./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8 --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 cb908a7f9df60a2a419557a30ba61167baea262647e714e35178f644d31e1055 --- 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-e04fb08 [2022-11-16 12:11:13,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:11:13,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:11:13,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:11:13,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:11:13,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:11:13,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:11:13,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:11:13,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:11:13,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:11:13,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:11:13,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:11:13,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:11:13,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:11:13,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:11:13,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:11:13,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:11:13,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:11:13,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:11:13,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:11:13,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:11:13,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:11:13,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:11:13,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:11:13,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:11:13,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:11:13,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:11:13,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:11:13,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:11:13,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:11:13,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:11:13,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:11:13,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:11:13,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:11:13,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:11:13,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:11:13,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:11:13,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:11:13,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:11:13,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:11:13,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:11:13,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:11:13,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:11:13,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:11:13,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:11:13,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:11:13,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:11:13,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:11:13,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:11:13,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:11:13,565 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:11:13,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:11:13,566 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:11:13,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:11:13,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:11:13,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:11:13,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:11:13,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:11:13,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:11:13,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:11:13,568 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:11:13,568 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:11:13,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:11:13,569 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:11:13,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:11:13,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:11:13,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:11:13,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:11:13,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:11:13,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:11:13,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:11:13,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:11:13,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:11:13,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:11:13,583 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:11:13,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:11:13,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:11:13,584 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_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb908a7f9df60a2a419557a30ba61167baea262647e714e35178f644d31e1055 [2022-11-16 12:11:13,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:11:13,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:11:13,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:11:13,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:11:13,884 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:11:13,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i [2022-11-16 12:11:13,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data/350ca8a03/410096e48d9e4c9a855f9addbac45952/FLAG4cb7aee83 [2022-11-16 12:11:14,525 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:11:14,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i [2022-11-16 12:11:14,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data/350ca8a03/410096e48d9e4c9a855f9addbac45952/FLAG4cb7aee83 [2022-11-16 12:11:14,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data/350ca8a03/410096e48d9e4c9a855f9addbac45952 [2022-11-16 12:11:14,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:11:14,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:11:14,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:11:14,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:11:14,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:11:14,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:11:14" (1/1) ... [2022-11-16 12:11:14,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79522b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:14, skipping insertion in model container [2022-11-16 12:11:14,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:11:14" (1/1) ... [2022-11-16 12:11:14,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:11:14,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:11:15,048 WARN L229 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_80aa506b-4c83-4a8f-bb18-0258445aff30/sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-16 12:11:15,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:11:15,415 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:11:15,429 WARN L229 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_80aa506b-4c83-4a8f-bb18-0258445aff30/sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-16 12:11:15,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:11:15,535 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:11:15,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15 WrapperNode [2022-11-16 12:11:15,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:11:15,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:11:15,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:11:15,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:11:15,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,609 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 490 [2022-11-16 12:11:15,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:11:15,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:11:15,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:11:15,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:11:15,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:11:15,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:11:15,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:11:15,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:11:15,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ... [2022-11-16 12:11:15,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:11:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:11:15,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:11:15,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:11:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:11:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:11:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:11:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:11:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:11:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 12:11:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 12:11:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 12:11:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 12:11:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 12:11:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 12:11:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:11:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:11:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:11:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:11:15,792 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:11:16,006 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:11:16,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:11:17,622 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:11:43,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:11:43,037 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:11:43,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:11:43 BoogieIcfgContainer [2022-11-16 12:11:43,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:11:43,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:11:43,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:11:43,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:11:43,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:11:14" (1/3) ... [2022-11-16 12:11:43,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116684e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:11:43, skipping insertion in model container [2022-11-16 12:11:43,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (2/3) ... [2022-11-16 12:11:43,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116684e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:11:43, skipping insertion in model container [2022-11-16 12:11:43,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:11:43" (3/3) ... [2022-11-16 12:11:43,054 INFO L112 eAbstractionObserver]: Analyzing ICFG mix038_power.oepc_pso.oepc_rmo.oepc.i [2022-11-16 12:11:43,063 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:11:43,074 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:11:43,075 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 248 error locations. [2022-11-16 12:11:43,075 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:11:48,134 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 12:11:48,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 369 transitions, 753 flow [2022-11-16 12:11:50,057 INFO L130 PetriNetUnfolder]: 2/366 cut-off events. [2022-11-16 12:11:50,057 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:11:50,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 366 events. 2/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1962 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 325. Up to 2 conditions per place. [2022-11-16 12:11:50,070 INFO L82 GeneralOperation]: Start removeDead. Operand has 377 places, 369 transitions, 753 flow [2022-11-16 12:11:50,089 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 374 places, 366 transitions, 741 flow [2022-11-16 12:11:50,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:11:50,109 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@2e343088, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:11:50,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 462 error locations. [2022-11-16 12:11:50,124 INFO L130 PetriNetUnfolder]: 0/48 cut-off events. [2022-11-16 12:11:50,126 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:11:50,127 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:11:50,129 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:11:50,131 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 458 more)] === [2022-11-16 12:11:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:11:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1329835683, now seen corresponding path program 1 times [2022-11-16 12:11:50,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:11:50,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975963741] [2022-11-16 12:11:50,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:11:50,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:11:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:11:50,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:11:50,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975963741] [2022-11-16 12:11:50,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975963741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:11:50,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:11:50,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 12:11:50,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988256946] [2022-11-16 12:11:50,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:11:50,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:11:50,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:11:50,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:11:50,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:11:50,713 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 369 [2022-11-16 12:11:50,717 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 366 transitions, 741 flow. Second operand has 2 states, 2 states have (on average 101.0) internal successors, (202), 2 states have internal predecessors, (202), 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) [2022-11-16 12:11:50,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:11:50,718 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 369 [2022-11-16 12:11:50,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand