./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6 --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f6a99f321ab4c9a330ddab5bc184070524e662cb34c3dfc8d7fb0257fb493dd --- 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 05:28:16,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 05:28:16,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 05:28:16,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 05:28:16,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 05:28:16,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 05:28:16,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 05:28:16,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 05:28:16,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 05:28:16,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 05:28:16,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 05:28:16,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 05:28:16,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 05:28:16,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 05:28:16,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 05:28:16,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 05:28:16,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 05:28:16,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 05:28:16,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 05:28:16,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 05:28:16,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 05:28:16,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 05:28:16,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 05:28:16,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 05:28:16,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 05:28:16,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 05:28:16,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 05:28:16,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 05:28:16,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 05:28:16,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 05:28:16,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 05:28:16,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 05:28:16,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 05:28:16,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 05:28:16,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 05:28:16,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 05:28:16,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 05:28:16,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 05:28:16,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 05:28:16,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 05:28:16,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 05:28:16,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-16 05:28:16,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 05:28:16,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 05:28:16,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 05:28:16,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 05:28:16,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 05:28:16,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 05:28:16,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 05:28:16,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 05:28:17,000 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 05:28:17,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 05:28:17,001 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 05:28:17,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 05:28:17,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 05:28:17,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 05:28:17,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 05:28:17,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 05:28:17,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 05:28:17,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 05:28:17,003 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 05:28:17,003 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 05:28:17,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 05:28:17,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 05:28:17,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 05:28:17,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 05:28:17,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 05:28:17,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 05:28:17,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 05:28:17,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 05:28:17,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 05:28:17,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 05:28:17,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 05:28:17,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 05:28:17,006 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-16 05:28:17,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 05:28:17,007 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 05:28:17,007 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-16 05:28:17,007 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 05:28:17,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 05:28:17,007 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 05:28:17,008 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 05:28:17,008 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_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f6a99f321ab4c9a330ddab5bc184070524e662cb34c3dfc8d7fb0257fb493dd [2022-11-16 05:28:17,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 05:28:17,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 05:28:17,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 05:28:17,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 05:28:17,369 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 05:28:17,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/../../sv-benchmarks/c/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2022-11-16 05:28:17,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/data/b2a4f98a7/b29b10a161c34388933fdb39d2e7c8ab/FLAG447ebc2f1 [2022-11-16 05:28:17,985 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 05:28:17,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/sv-benchmarks/c/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2022-11-16 05:28:18,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/data/b2a4f98a7/b29b10a161c34388933fdb39d2e7c8ab/FLAG447ebc2f1 [2022-11-16 05:28:18,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/data/b2a4f98a7/b29b10a161c34388933fdb39d2e7c8ab [2022-11-16 05:28:18,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 05:28:18,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 05:28:18,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 05:28:18,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 05:28:18,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 05:28:18,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:18,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24898dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18, skipping insertion in model container [2022-11-16 05:28:18,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:18,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 05:28:18,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 05:28:18,556 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_085c8da9-3304-4f61-82e5-b9bfa7ff1968/sv-benchmarks/c/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i[964,977] [2022-11-16 05:28:18,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 05:28:18,868 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 05:28:18,882 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_085c8da9-3304-4f61-82e5-b9bfa7ff1968/sv-benchmarks/c/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i[964,977] [2022-11-16 05:28:18,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 05:28:18,998 INFO L208 MainTranslator]: Completed translation [2022-11-16 05:28:18,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18 WrapperNode [2022-11-16 05:28:18,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 05:28:19,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 05:28:19,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 05:28:19,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 05:28:19,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,108 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 512 [2022-11-16 05:28:19,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 05:28:19,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 05:28:19,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 05:28:19,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 05:28:19,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,185 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 05:28:19,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 05:28:19,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 05:28:19,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 05:28:19,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (1/1) ... [2022-11-16 05:28:19,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 05:28:19,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 05:28:19,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 05:28:19,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 05:28:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 05:28:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 05:28:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 05:28:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 05:28:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 05:28:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 05:28:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 05:28:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 05:28:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 05:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 05:28:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 05:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-16 05:28:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-16 05:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 05:28:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 05:28:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 05:28:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 05:28:19,314 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 05:28:19,541 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 05:28:19,543 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 05:28:21,017 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 05:31:41,248 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 05:31:41,248 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 05:31:41,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 05:31:41 BoogieIcfgContainer [2022-11-16 05:31:41,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 05:31:41,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 05:31:41,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 05:31:41,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 05:31:41,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:28:18" (1/3) ... [2022-11-16 05:31:41,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62741fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:31:41, skipping insertion in model container [2022-11-16 05:31:41,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:28:18" (2/3) ... [2022-11-16 05:31:41,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62741fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:31:41, skipping insertion in model container [2022-11-16 05:31:41,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 05:31:41" (3/3) ... [2022-11-16 05:31:41,260 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_pso.opt_rmo.opt_tso.opt.i [2022-11-16 05:31:41,269 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 05:31:41,280 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 05:31:41,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 196 error locations. [2022-11-16 05:31:41,281 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 05:31:56,767 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 05:31:56,826 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 05:31:56,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 05:31:56,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 05:31:56,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 05:31:56,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085c8da9-3304-4f61-82e5-b9bfa7ff1968/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 05:31:56,917 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 05:31:56,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2022-11-16 05:31:56,944 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=PARTIAL_ORDER_FA, 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;@4174d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 05:31:56,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 99 error locations.