./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 798582ee4a09ede0f5c496225fe921dfd53b0dfd5ded797f7106b8b9ef24e798 --- 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 15:48:34,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:48:34,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:48:34,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:48:34,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:48:34,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:48:34,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:48:34,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:48:34,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:48:34,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:48:34,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:48:34,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:48:34,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:48:34,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:48:34,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:48:34,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:48:34,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:48:34,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:48:34,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:48:34,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:48:34,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:48:34,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:48:34,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:48:34,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:48:34,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:48:34,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:48:34,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:48:34,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:48:34,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:48:34,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:48:34,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:48:34,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:48:34,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:48:34,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:48:34,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:48:34,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:48:34,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:48:34,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:48:34,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:48:34,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:48:34,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:48:34,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 15:48:34,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:48:34,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:48:34,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:48:34,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:48:34,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:48:34,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:48:34,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:48:34,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:48:34,549 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:48:34,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:48:34,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:48:34,550 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:48:34,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:48:34,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:48:34,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:48:34,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:48:34,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:48:34,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:48:34,551 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 15:48:34,551 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:48:34,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:48:34,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:48:34,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:48:34,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:48:34,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:48:34,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:48:34,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:48:34,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:48:34,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:48:34,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:48:34,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:48:34,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:48:34,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:48:34,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:48:34,554 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:48:34,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:48:34,554 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 798582ee4a09ede0f5c496225fe921dfd53b0dfd5ded797f7106b8b9ef24e798 [2022-11-25 15:48:34,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:48:34,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:48:34,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:48:34,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:48:34,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:48:34,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i [2022-11-25 15:48:37,885 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:48:38,170 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:48:38,171 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i [2022-11-25 15:48:38,186 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/data/34ec20330/c2e328e7435b4c4a886f772156efa446/FLAG9ab281466 [2022-11-25 15:48:38,202 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/data/34ec20330/c2e328e7435b4c4a886f772156efa446 [2022-11-25 15:48:38,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:48:38,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:48:38,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:48:38,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:48:38,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:48:38,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:38,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45956eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38, skipping insertion in model container [2022-11-25 15:48:38,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:38,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:48:38,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:48:38,442 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_58c23e64-a572-4104-b427-c1b9e4c33b34/sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i[949,962] [2022-11-25 15:48:38,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,726 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,728 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,781 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,782 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,809 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:48:38,843 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:48:38,855 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_58c23e64-a572-4104-b427-c1b9e4c33b34/sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i[949,962] [2022-11-25 15:48:38,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,915 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:48:38,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:48:38,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:48:38,965 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:48:38,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38 WrapperNode [2022-11-25 15:48:38,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:48:38,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:48:38,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:48:38,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:48:38,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:38,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,061 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 957 [2022-11-25 15:48:39,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:48:39,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:48:39,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:48:39,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:48:39,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:48:39,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:48:39,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:48:39,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:48:39,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (1/1) ... [2022-11-25 15:48:39,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:48:39,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:48:39,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:48:39,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c23e64-a572-4104-b427-c1b9e4c33b34/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:48:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:48:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 15:48:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:48:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:48:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:48:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 15:48:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 15:48:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 15:48:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 15:48:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 15:48:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 15:48:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-25 15:48:39,281 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-25 15:48:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:48:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 15:48:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:48:39,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:48:39,285 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 15:48:39,574 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:48:39,576 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:48:41,314 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:49:52,884 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:49:52,884 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:49:52,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:52 BoogieIcfgContainer [2022-11-25 15:49:52,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:49:52,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:49:52,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:49:52,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:49:52,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:48:38" (1/3) ... [2022-11-25 15:49:52,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab5161f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:49:52, skipping insertion in model container [2022-11-25 15:49:52,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:38" (2/3) ... [2022-11-25 15:49:52,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab5161f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:49:52, skipping insertion in model container [2022-11-25 15:49:52,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:52" (3/3) ... [2022-11-25 15:49:52,904 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_tso.oepc.i [2022-11-25 15:49:52,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 15:49:52,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:49:52,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 280 error locations. [2022-11-25 15:49:52,926 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 15:49:57,748 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 15:49:57,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 418 transitions, 856 flow [2022-11-25 15:50:06,085 INFO L130 PetriNetUnfolder]: 2/414 cut-off events. [2022-11-25 15:50:06,085 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:50:06,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 414 events. 2/414 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2181 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 373. Up to 2 conditions per place. [2022-11-25 15:50:06,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 418 transitions, 856 flow [2022-11-25 15:50:06,141 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 425 places, 414 transitions, 840 flow [2022-11-25 15:50:06,145 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 15:50:06,176 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 414 transitions, 840 flow [2022-11-25 15:50:06,185 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 414 transitions, 840 flow [2022-11-25 15:50:06,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 425 places, 414 transitions, 840 flow [2022-11-25 15:50:13,767 INFO L130 PetriNetUnfolder]: 2/414 cut-off events. [2022-11-25 15:50:13,768 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:50:13,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 414 events. 2/414 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2187 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 373. Up to 2 conditions per place. [2022-11-25 15:50:13,800 INFO L119 LiptonReduction]: Number of co-enabled transitions 86892 [2022-11-25 15:51:27,992 WARN L233 SmtUtils]: Spent 14.39s on a formula simplification. DAG size of input: 2546 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:51:46,083 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 1883 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:51:58,515 WARN L233 SmtUtils]: Spent 12.41s on a formula simplification. DAG size of input: 2541 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:52:22,072 WARN L233 SmtUtils]: Spent 20.27s on a formula simplification. DAG size of input: 3424 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:52:40,460 WARN L233 SmtUtils]: Spent 18.22s on a formula simplification. DAG size of input: 3429 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:53:02,343 WARN L233 SmtUtils]: Spent 21.80s on a formula simplification. DAG size of input: 3429 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:53:23,032 WARN L233 SmtUtils]: Spent 20.59s on a formula simplification. DAG size of input: 3429 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:53:41,557 WARN L233 SmtUtils]: Spent 18.44s on a formula simplification. DAG size of input: 3429 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:54:17,462 WARN L233 SmtUtils]: Spent 13.70s on a formula simplification. DAG size of input: 3305 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)