./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix052_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_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix052_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur --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 2b7b455ef4c5fa587af8d02bd246c19891a72a51abfbb562aebbb342c1c7fae8 --- 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 22:19:07,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:19:07,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:19:07,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:19:07,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:19:07,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:19:07,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:19:07,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:19:07,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:19:07,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:19:07,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:19:07,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:19:07,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:19:07,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:19:07,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:19:07,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:19:07,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:19:07,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:19:07,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:19:07,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:19:07,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:19:07,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:19:07,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:19:07,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:19:07,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:19:07,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:19:07,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:19:07,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:19:07,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:19:07,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:19:07,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:19:07,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:19:07,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:19:07,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:19:07,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:19:07,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:19:07,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:19:07,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:19:07,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:19:07,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:19:07,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:19:07,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 22:19:07,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:19:07,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:19:07,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:19:07,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:19:07,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:19:07,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:19:07,816 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:19:07,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:19:07,816 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:19:07,817 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:19:07,818 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:19:07,818 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:19:07,818 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:19:07,819 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:19:07,819 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:19:07,819 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:19:07,820 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:19:07,820 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:19:07,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:19:07,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:19:07,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:19:07,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:19:07,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:19:07,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:19:07,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:19:07,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:19:07,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:19:07,824 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 22:19:07,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:19:07,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:19:07,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:19:07,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:19:07,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:19:07,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:19:07,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:19:07,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:19:07,827 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:19:07,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:19:07,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:19:07,828 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:19:07,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:19:07,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:19:07,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:19:07,829 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_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b7b455ef4c5fa587af8d02bd246c19891a72a51abfbb562aebbb342c1c7fae8 [2022-11-25 22:19:08,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:19:08,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:19:08,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:19:08,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:19:08,199 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:19:08,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-wmm/mix052_tso.oepc.i [2022-11-25 22:19:11,278 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:19:11,525 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:19:11,534 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/sv-benchmarks/c/pthread-wmm/mix052_tso.oepc.i [2022-11-25 22:19:11,553 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/data/a57777a42/ad0c649b6c704461a4b4341709ec0525/FLAG2eeb1c859 [2022-11-25 22:19:11,575 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/data/a57777a42/ad0c649b6c704461a4b4341709ec0525 [2022-11-25 22:19:11,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:19:11,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:19:11,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:19:11,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:19:11,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:19:11,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:19:11" (1/1) ... [2022-11-25 22:19:11,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a38b4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:11, skipping insertion in model container [2022-11-25 22:19:11,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:19:11" (1/1) ... [2022-11-25 22:19:11,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:19:11,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:19:11,806 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_c526d1b2-a111-4280-86ff-5201218808fb/sv-benchmarks/c/pthread-wmm/mix052_tso.oepc.i[949,962] [2022-11-25 22:19:12,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:19:12,136 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:19:12,149 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_c526d1b2-a111-4280-86ff-5201218808fb/sv-benchmarks/c/pthread-wmm/mix052_tso.oepc.i[949,962] [2022-11-25 22:19:12,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,174 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:19:12,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:19:12,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:19:12,310 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:19:12,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12 WrapperNode [2022-11-25 22:19:12,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:19:12,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:19:12,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:19:12,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:19:12,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,407 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 929 [2022-11-25 22:19:12,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:19:12,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:19:12,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:19:12,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:19:12,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,463 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:19:12,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:19:12,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:19:12,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:19:12,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (1/1) ... [2022-11-25 22:19:12,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:19:12,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:19:12,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:19:12,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c526d1b2-a111-4280-86ff-5201218808fb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:19:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:19:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 22:19:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:19:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:19:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:19:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 22:19:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 22:19:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 22:19:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 22:19:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 22:19:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 22:19:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:19:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 22:19:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:19:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:19:12,585 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:19:12,831 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:19:12,835 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:19:14,389 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:20:15,910 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:20:15,910 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:20:15,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:15 BoogieIcfgContainer [2022-11-25 22:20:15,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:20:15,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:20:15,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:20:15,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:20:15,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:19:11" (1/3) ... [2022-11-25 22:20:15,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcff8ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:15, skipping insertion in model container [2022-11-25 22:20:15,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:12" (2/3) ... [2022-11-25 22:20:15,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcff8ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:15, skipping insertion in model container [2022-11-25 22:20:15,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:15" (3/3) ... [2022-11-25 22:20:15,923 INFO L112 eAbstractionObserver]: Analyzing ICFG mix052_tso.oepc.i [2022-11-25 22:20:15,935 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 22:20:15,942 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:20:15,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 244 error locations. [2022-11-25 22:20:15,943 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:20:20,178 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 22:20:20,213 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:20:20,229 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 369 places, 361 transitions, 737 flow [2022-11-25 22:20:20,232 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 369 places, 361 transitions, 737 flow [2022-11-25 22:20:20,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 369 places, 361 transitions, 737 flow [2022-11-25 22:20:24,659 INFO L130 PetriNetUnfolder]: 2/358 cut-off events. [2022-11-25 22:20:24,659 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 22:20:24,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 358 events. 2/358 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1910 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 319. Up to 2 conditions per place. [2022-11-25 22:20:24,688 INFO L119 LiptonReduction]: Number of co-enabled transitions 58664 [2022-11-25 22:23:23,175 WARN L233 SmtUtils]: Spent 2.79m on a formula simplification. DAG size of input: 9209 DAG size of output: 1033 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:23:28,965 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 973 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:28:15,627 WARN L233 SmtUtils]: Spent 4.78m on a formula simplification. DAG size of input: 10237 DAG size of output: 1352 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)