./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/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_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/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_b8650185-ee0d-4116-848e-4acbad512d12/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 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:28:20,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:28:20,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:28:20,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:28:20,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:28:20,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:28:20,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:28:20,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:28:20,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:28:20,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:28:20,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:28:20,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:28:20,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:28:20,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:28:20,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:28:20,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:28:20,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:28:20,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:28:20,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:28:20,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:28:20,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:28:20,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:28:20,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:28:20,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:28:20,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:28:20,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:28:20,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:28:20,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:28:20,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:28:20,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:28:20,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:28:20,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:28:20,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:28:20,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:28:20,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:28:20,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:28:20,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:28:20,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:28:20,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:28:20,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:28:20,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:28:20,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:28:20,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:28:20,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:28:20,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:28:20,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:28:20,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:28:20,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:28:20,799 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:28:20,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:28:20,799 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:28:20,799 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:28:20,799 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:28:20,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:28:20,800 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:28:20,800 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:28:20,800 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:28:20,800 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:28:20,800 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:28:20,801 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:28:20,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:28:20,801 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:28:20,802 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:28:20,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:28:20,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:28:20,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:28:20,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:28:20,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:28:20,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:28:20,803 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:28:20,803 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:28:20,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:28:20,803 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:28:20,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:28:20,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:28:20,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:28:20,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:28:20,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:28:20,804 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:28:20,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:28:20,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:28:20,805 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:28:20,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:28:20,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:28:20,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:28:20,806 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_b8650185-ee0d-4116-848e-4acbad512d12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f [2022-12-14 08:28:20,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:28:20,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:28:20,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:28:20,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:28:20,990 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:28:20,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-14 08:28:23,475 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:28:23,668 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:28:23,668 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-14 08:28:23,680 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/data/99bcb504b/b39b341152c14f8681cad7ed68be716e/FLAG710f2a058 [2022-12-14 08:28:23,692 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/data/99bcb504b/b39b341152c14f8681cad7ed68be716e [2022-12-14 08:28:23,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:28:23,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:28:23,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:28:23,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:28:23,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:28:23,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:28:23" (1/1) ... [2022-12-14 08:28:23,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696a297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:23, skipping insertion in model container [2022-12-14 08:28:23,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:28:23" (1/1) ... [2022-12-14 08:28:23,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:28:23,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:28:23,879 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_b8650185-ee0d-4116-848e-4acbad512d12/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-12-14 08:28:24,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:28:24,088 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:28:24,096 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_b8650185-ee0d-4116-848e-4acbad512d12/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-12-14 08:28:24,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:28:24,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:28:24,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:28:24,155 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:28:24,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24 WrapperNode [2022-12-14 08:28:24,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:28:24,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:28:24,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:28:24,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:28:24,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,198 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 925 [2022-12-14 08:28:24,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:28:24,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:28:24,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:28:24,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:28:24,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:28:24,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:28:24,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:28:24,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:28:24,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (1/1) ... [2022-12-14 08:28:24,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:28:24,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:28:24,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:28:24,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8650185-ee0d-4116-848e-4acbad512d12/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:28:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 08:28:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 08:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 08:28:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 08:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:28:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:28:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:28:24,284 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 08:28:24,417 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:28:24,418 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:28:25,228 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:28:52,183 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:28:52,183 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:28:52,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:28:52 BoogieIcfgContainer [2022-12-14 08:28:52,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:28:52,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:28:52,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:28:52,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:28:52,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:28:23" (1/3) ... [2022-12-14 08:28:52,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a1124e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:28:52, skipping insertion in model container [2022-12-14 08:28:52,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:28:24" (2/3) ... [2022-12-14 08:28:52,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a1124e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:28:52, skipping insertion in model container [2022-12-14 08:28:52,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:28:52" (3/3) ... [2022-12-14 08:28:52,194 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-14 08:28:52,200 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:28:52,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:28:52,208 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 212 error locations. [2022-12-14 08:28:52,208 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:28:53,818 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:28:53,846 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:28:53,855 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 312 transitions, 634 flow [2022-12-14 08:28:53,857 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 312 transitions, 634 flow [2022-12-14 08:28:53,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 312 transitions, 634 flow [2022-12-14 08:28:57,773 INFO L130 PetriNetUnfolder]: 2/310 cut-off events. [2022-12-14 08:28:57,773 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:28:57,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 310 events. 2/310 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1720 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 271. Up to 2 conditions per place. [2022-12-14 08:28:57,787 INFO L119 LiptonReduction]: Number of co-enabled transitions 37292 [2022-12-14 08:31:31,283 WARN L233 SmtUtils]: Spent 19.87s on a formula simplification. DAG size of input: 3132 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:31:38,582 WARN L233 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 2258 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:31:45,448 WARN L233 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 2258 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:36:03,394 WARN L233 SmtUtils]: Spent 2.83m on a formula simplification. DAG size of input: 10338 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:39:29,998 WARN L233 SmtUtils]: Spent 3.44m on a formula simplification. DAG size of input: 12682 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:39:36,471 WARN L233 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 2258 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:40:31,246 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 1512 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:40:37,574 WARN L233 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 1531 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:40:43,372 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 1530 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:40:49,232 WARN L233 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 1530 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:40:55,203 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 1533 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:41:09,320 WARN L233 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 1913 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:41:19,397 WARN L233 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 2254 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:41:27,441 WARN L233 SmtUtils]: Spent 7.74s on a formula simplification. DAG size of input: 2258 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:41:35,768 WARN L233 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 2258 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:41:44,373 WARN L233 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 2429 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:41:54,540 WARN L233 SmtUtils]: Spent 10.14s on a formula simplification. DAG size of input: 2429 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:42:04,316 WARN L233 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 2457 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:42:13,610 WARN L233 SmtUtils]: Spent 9.26s on a formula simplification. DAG size of input: 2457 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:42:27,994 WARN L233 SmtUtils]: Spent 9.52s on a formula simplification. DAG size of input: 2152 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:42:41,686 WARN L233 SmtUtils]: Spent 13.69s on a formula simplification. DAG size of input: 2548 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:42:48,529 WARN L233 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 2427 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:42:58,616 WARN L233 SmtUtils]: Spent 10.06s on a formula simplification. DAG size of input: 2427 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:43:05,499 WARN L233 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 2427 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:43:12,712 WARN L233 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 2427 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:43:23,000 WARN L233 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 2427 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)