./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH --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 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f --- 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-38b53e6 [2022-11-25 18:52:10,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:52:10,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:52:10,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:52:10,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:52:10,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:52:10,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:52:10,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:52:10,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:52:10,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:52:10,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:52:10,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:52:10,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:52:10,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:52:10,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:52:10,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:52:10,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:52:10,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:52:10,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:52:10,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:52:10,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:52:10,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:52:10,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:52:10,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:52:10,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:52:10,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:52:10,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:52:10,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:52:10,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:52:10,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:52:10,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:52:10,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:52:10,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:52:10,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:52:10,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:52:10,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:52:10,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:52:10,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:52:10,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:52:10,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:52:10,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:52:10,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-25 18:52:10,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:52:10,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:52:10,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:52:10,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:52:10,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:52:10,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:52:10,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:52:10,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:52:10,193 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:52:10,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:52:10,193 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:52:10,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:52:10,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:52:10,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:52:10,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:52:10,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:52:10,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:52:10,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:52:10,195 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:52:10,195 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:52:10,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:52:10,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:52:10,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:52:10,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:52:10,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:52:10,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-25 18:52:10,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:52:10,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:52:10,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:52:10,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:52:10,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:52:10,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:52:10,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:52:10,201 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:52:10,201 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:52:10,201 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:52:10,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:52:10,203 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:52:10,203 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:52:10,203 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_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f [2022-11-25 18:52:10,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:52:10,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:52:10,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:52:10,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:52:10,550 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:52:10,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-25 18:52:13,693 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:52:14,099 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:52:14,100 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-25 18:52:14,114 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/data/b43a79c7a/16b6c8aff06d42cabdf11d75b76b56b6/FLAG5de6b51aa [2022-11-25 18:52:14,131 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/data/b43a79c7a/16b6c8aff06d42cabdf11d75b76b56b6 [2022-11-25 18:52:14,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:52:14,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:52:14,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:52:14,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:52:14,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:52:14,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:14" (1/1) ... [2022-11-25 18:52:14,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2bf7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:14, skipping insertion in model container [2022-11-25 18:52:14,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:14" (1/1) ... [2022-11-25 18:52:14,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:52:14,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:52:14,473 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_223dd1ed-ee96-48e0-b871-4be1b362abd8/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-11-25 18:52:14,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,707 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,707 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,708 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,708 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,731 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:52:14,804 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:52:14,830 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_223dd1ed-ee96-48e0-b871-4be1b362abd8/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-11-25 18:52:14,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,883 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,913 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,914 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,949 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:14,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:14,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:52:15,049 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:52:15,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15 WrapperNode [2022-11-25 18:52:15,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:52:15,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:52:15,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:52:15,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:52:15,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,191 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 925 [2022-11-25 18:52:15,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:52:15,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:52:15,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:52:15,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:52:15,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,278 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:52:15,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:52:15,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:52:15,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:52:15,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (1/1) ... [2022-11-25 18:52:15,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:52:15,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:52:15,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:52:15,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:52:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:52:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:52:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:52:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:52:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:52:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 18:52:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 18:52:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 18:52:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 18:52:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:52:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:52:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:52:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:52:15,416 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:52:15,647 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:52:15,665 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:52:17,381 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:53:01,657 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:53:01,658 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:53:01,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:53:01 BoogieIcfgContainer [2022-11-25 18:53:01,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:53:01,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:53:01,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:53:01,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:53:01,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:52:14" (1/3) ... [2022-11-25 18:53:01,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4e248b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:53:01, skipping insertion in model container [2022-11-25 18:53:01,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:15" (2/3) ... [2022-11-25 18:53:01,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4e248b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:53:01, skipping insertion in model container [2022-11-25 18:53:01,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:53:01" (3/3) ... [2022-11-25 18:53:01,674 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-25 18:53:01,687 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:53:01,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:53:01,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 212 error locations. [2022-11-25 18:53:01,701 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:53:05,011 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:53:05,062 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:53:05,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:53:05,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:53:05,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:53:05,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223dd1ed-ee96-48e0-b871-4be1b362abd8/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:53:05,130 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:53:05,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-25 18:53:05,156 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;@3a1a9a12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:53:05,156 INFO L358 AbstractCegarLoop]: Starting to check reachability of 132 error locations.