./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.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_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/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_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/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_7ad48170-1b20-4549-a025-a30f7c20fc61/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 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 --- 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 06:05:08,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:05:08,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:05:08,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:05:08,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:05:08,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:05:08,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:05:08,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:05:08,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:05:08,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:05:08,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:05:08,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:05:08,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:05:08,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:05:08,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:05:08,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:05:08,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:05:08,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:05:08,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:05:08,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:05:08,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:05:08,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:05:08,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:05:08,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:05:08,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:05:08,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:05:08,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:05:08,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:05:08,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:05:08,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:05:08,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:05:08,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:05:08,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:05:08,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:05:08,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:05:08,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:05:08,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:05:08,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:05:08,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:05:08,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:05:08,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:05:08,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:05:08,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:05:08,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:05:08,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:05:08,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:05:08,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:05:08,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:05:08,471 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:05:08,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:05:08,471 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:05:08,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:05:08,471 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:05:08,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:05:08,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:05:08,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:05:08,472 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:05:08,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:05:08,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:05:08,472 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:05:08,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:05:08,473 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:05:08,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:05:08,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:05:08,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:05:08,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:05:08,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:05:08,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:05:08,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:05:08,474 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:05:08,474 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:05:08,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:05:08,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:05:08,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:05:08,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:05:08,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:05:08,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:05:08,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:05:08,476 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:05:08,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:05:08,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:05:08,476 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:05:08,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:05:08,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:05:08,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:05:08,476 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_7ad48170-1b20-4549-a025-a30f7c20fc61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 [2022-12-14 06:05:08,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:05:08,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:05:08,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:05:08,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:05:08,689 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:05:08,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2022-12-14 06:05:11,256 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:05:11,436 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:05:11,437 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2022-12-14 06:05:11,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/data/90b887872/fc57fd5c4b9c440ba180a69cbf246a3e/FLAG145eb8bef [2022-12-14 06:05:11,459 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/data/90b887872/fc57fd5c4b9c440ba180a69cbf246a3e [2022-12-14 06:05:11,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:05:11,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:05:11,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:05:11,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:05:11,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:05:11,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:11,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39231d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11, skipping insertion in model container [2022-12-14 06:05:11,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:11,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:05:11,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:05:11,641 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_7ad48170-1b20-4549-a025-a30f7c20fc61/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i[992,1005] [2022-12-14 06:05:11,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,782 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,782 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,782 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,834 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,834 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:05:11,855 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:05:11,864 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_7ad48170-1b20-4549-a025-a30f7c20fc61/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i[992,1005] [2022-12-14 06:05:11,888 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,888 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,904 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,904 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,947 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:05:11,977 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:05:11,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11 WrapperNode [2022-12-14 06:05:11,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:05:11,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:05:11,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:05:11,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:05:11,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,040 INFO L138 Inliner]: procedures = 177, calls = 86, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 336 [2022-12-14 06:05:12,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:05:12,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:05:12,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:05:12,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:05:12,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,121 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:05:12,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:05:12,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:05:12,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:05:12,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:12,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:05:12,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:05:12,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:05:12,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad48170-1b20-4549-a025-a30f7c20fc61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:05:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:05:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:05:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:05:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:05:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:05:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:05:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 06:05:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 06:05:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 06:05:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 06:05:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 06:05:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 06:05:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-14 06:05:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-14 06:05:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:05:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:05:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:05:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:05:12,202 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 06:05:12,370 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:05:12,371 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:05:13,590 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:07:50,596 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:07:50,596 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:07:50,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:07:50 BoogieIcfgContainer [2022-12-14 06:07:50,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:07:50,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:07:50,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:07:50,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:07:50,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:05:11" (1/3) ... [2022-12-14 06:07:50,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fb1505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:07:50, skipping insertion in model container [2022-12-14 06:07:50,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (2/3) ... [2022-12-14 06:07:50,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fb1505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:07:50, skipping insertion in model container [2022-12-14 06:07:50,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:07:50" (3/3) ... [2022-12-14 06:07:50,604 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2022-12-14 06:07:50,611 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:07:50,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:07:50,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 336 error locations. [2022-12-14 06:07:50,619 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:08:02,010 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 06:08:02,040 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:08:02,052 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 501 places, 490 transitions, 1000 flow [2022-12-14 06:08:02,055 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 501 places, 490 transitions, 1000 flow [2022-12-14 06:08:02,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 501 places, 490 transitions, 1000 flow [2022-12-14 06:08:15,506 INFO L130 PetriNetUnfolder]: 2/486 cut-off events. [2022-12-14 06:08:15,506 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 06:08:15,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 486 events. 2/486 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2947 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 426. Up to 2 conditions per place. [2022-12-14 06:08:15,541 INFO L119 LiptonReduction]: Number of co-enabled transitions 127234