./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8943650a21e052edc6a6af145da55799620df509a78c8e503eca6167eaa2f8fc --- 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-2329fc7 [2022-12-14 08:40:02,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:40:02,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:40:02,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:40:02,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:40:02,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:40:02,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:40:02,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:40:02,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:40:02,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:40:02,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:40:02,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:40:02,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:40:02,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:40:02,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:40:02,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:40:02,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:40:02,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:40:02,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:40:02,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:40:02,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:40:02,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:40:02,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:40:02,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:40:02,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:40:02,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:40:02,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:40:02,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:40:02,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:40:02,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:40:02,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:40:02,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:40:02,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:40:02,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:40:02,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:40:02,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:40:02,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:40:02,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:40:02,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:40:02,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:40:02,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:40:02,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:40:02,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:40:02,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:40:02,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:40:02,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:40:02,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:40:02,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:40:02,602 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:40:02,602 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:40:02,602 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:40:02,602 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:40:02,603 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:40:02,603 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:40:02,603 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:40:02,603 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:40:02,603 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:40:02,603 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:40:02,603 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:40:02,604 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:40:02,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:40:02,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:40:02,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:40:02,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:40:02,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:40:02,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:40:02,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:40:02,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:40:02,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:40:02,605 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:40:02,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:40:02,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:40:02,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:40:02,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:40:02,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:40:02,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:40:02,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:40:02,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:40:02,607 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:40:02,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:40:02,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:40:02,607 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:40:02,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:40:02,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:40:02,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:40:02,607 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_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8943650a21e052edc6a6af145da55799620df509a78c8e503eca6167eaa2f8fc [2022-12-14 08:40:02,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:40:02,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:40:02,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:40:02,830 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:40:02,830 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:40:02,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i [2022-12-14 08:40:05,408 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:40:05,630 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:40:05,630 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i [2022-12-14 08:40:05,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/data/6b4d74512/5b3ba9d7ce904441a7fa59b66faad16c/FLAG3a1a34446 [2022-12-14 08:40:05,972 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/data/6b4d74512/5b3ba9d7ce904441a7fa59b66faad16c [2022-12-14 08:40:05,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:40:05,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:40:05,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:40:05,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:40:05,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:40:05,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:40:05" (1/1) ... [2022-12-14 08:40:05,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9c3cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:05, skipping insertion in model container [2022-12-14 08:40:05,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:40:05" (1/1) ... [2022-12-14 08:40:05,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:40:06,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:40:06,119 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_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-14 08:40:06,207 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,220 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:40:06,272 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:40:06,280 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_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-14 08:40:06,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:40:06,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:40:06,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:40:06,349 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:40:06,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06 WrapperNode [2022-12-14 08:40:06,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:40:06,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:40:06,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:40:06,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:40:06,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,393 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 516 [2022-12-14 08:40:06,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:40:06,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:40:06,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:40:06,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:40:06,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:40:06,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:40:06,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:40:06,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:40:06,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (1/1) ... [2022-12-14 08:40:06,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:40:06,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:40:06,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:40:06,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440f9ac6-3952-446d-adc1-dbce6fbbe6a6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:40:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:40:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:40:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:40:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:40:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:40:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 08:40:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 08:40:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 08:40:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 08:40:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 08:40:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 08:40:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-14 08:40:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-14 08:40:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:40:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:40:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:40:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:40:06,513 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:40:06,645 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:40:06,646 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:40:07,634 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:40:47,156 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:40:47,156 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:40:47,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:40:47 BoogieIcfgContainer [2022-12-14 08:40:47,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:40:47,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:40:47,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:40:47,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:40:47,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:40:05" (1/3) ... [2022-12-14 08:40:47,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126c80ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:40:47, skipping insertion in model container [2022-12-14 08:40:47,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:40:06" (2/3) ... [2022-12-14 08:40:47,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126c80ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:40:47, skipping insertion in model container [2022-12-14 08:40:47,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:40:47" (3/3) ... [2022-12-14 08:40:47,167 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021_power.oepc_pso.oepc_rmo.oepc.i [2022-12-14 08:40:47,174 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:40:47,182 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:40:47,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 282 error locations. [2022-12-14 08:40:47,182 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:40:52,237 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:40:52,263 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:40:52,275 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 421 transitions, 862 flow [2022-12-14 08:40:52,278 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 421 transitions, 862 flow [2022-12-14 08:40:52,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 432 places, 421 transitions, 862 flow [2022-12-14 08:41:00,442 INFO L130 PetriNetUnfolder]: 2/417 cut-off events. [2022-12-14 08:41:00,442 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:41:00,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 417 events. 2/417 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2212 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 376. Up to 2 conditions per place. [2022-12-14 08:41:00,468 INFO L119 LiptonReduction]: Number of co-enabled transitions 94932 [2022-12-14 08:44:19,256 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 1890 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:44:34,624 WARN L233 SmtUtils]: Spent 10.26s on a formula simplification. DAG size of input: 2688 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:44:43,704 WARN L233 SmtUtils]: Spent 8.99s on a formula simplification. DAG size of input: 2702 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:45:10,554 WARN L233 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 2911 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:45:23,009 WARN L233 SmtUtils]: Spent 12.45s on a formula simplification. DAG size of input: 3344 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:45:38,908 WARN L233 SmtUtils]: Spent 15.50s on a formula simplification. DAG size of input: 3356 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:45:50,185 WARN L233 SmtUtils]: Spent 11.19s on a formula simplification. DAG size of input: 3360 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:46:05,536 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 1890 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:46:11,081 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 1890 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:47:03,431 WARN L233 SmtUtils]: Spent 52.12s on a formula simplification. DAG size of input: 6944 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:48:00,641 WARN L233 SmtUtils]: Spent 57.11s on a formula simplification. DAG size of input: 6948 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:49:06,713 WARN L233 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 7123 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:50:03,482 WARN L233 SmtUtils]: Spent 56.67s on a formula simplification. DAG size of input: 7117 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:51:06,470 WARN L233 SmtUtils]: Spent 1.05m on a formula simplification. DAG size of input: 7121 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:52:56,791 WARN L233 SmtUtils]: Spent 50.77s on a formula simplification. DAG size of input: 6642 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:54:09,351 WARN L233 SmtUtils]: Spent 1.21m on a formula simplification. DAG size of input: 7435 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)