./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/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_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/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_5974cd47-bb52-4f58-9b92-74d34e5634bb/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 d8f535cb798ce58a79ec2e9a728d4e5d884025e215c7cfd9880fc53267dd5a20 --- 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 15:50:52,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:50:52,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:50:52,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:50:52,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:50:52,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:50:52,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:50:52,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:50:52,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:50:52,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:50:52,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:50:52,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:50:52,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:50:52,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:50:52,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:50:52,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:50:52,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:50:52,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:50:52,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:50:52,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:50:52,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:50:52,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:50:52,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:50:52,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:50:52,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:50:52,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:50:52,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:50:52,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:50:52,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:50:52,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:50:52,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:50:52,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:50:52,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:50:52,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:50:52,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:50:52,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:50:52,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:50:52,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:50:52,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:50:52,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:50:52,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:50:52,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 15:50:52,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:50:52,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:50:52,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:50:52,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:50:52,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:50:52,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:50:52,727 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:50:52,728 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:50:52,728 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:50:52,728 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:50:52,728 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:50:52,728 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:50:52,728 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:50:52,729 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:50:52,729 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:50:52,729 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:50:52,729 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:50:52,729 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:50:52,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:50:52,730 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:50:52,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:50:52,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:50:52,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:50:52,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:50:52,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:50:52,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:50:52,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:50:52,732 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 15:50:52,732 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:50:52,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:50:52,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:50:52,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:50:52,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:50:52,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:50:52,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:50:52,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:50:52,734 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:50:52,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:50:52,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:50:52,734 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:50:52,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:50:52,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:50:52,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:50:52,735 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_5974cd47-bb52-4f58-9b92-74d34e5634bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8f535cb798ce58a79ec2e9a728d4e5d884025e215c7cfd9880fc53267dd5a20 [2022-12-14 15:50:52,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:50:52,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:50:52,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:50:52,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:50:52,934 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:50:52,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i [2022-12-14 15:50:55,563 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:50:55,730 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:50:55,731 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i [2022-12-14 15:50:55,740 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/data/134018be5/6d9effc1defe41cfa06ecf0fb8701e7d/FLAG6ca585f36 [2022-12-14 15:50:55,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/data/134018be5/6d9effc1defe41cfa06ecf0fb8701e7d [2022-12-14 15:50:55,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:50:55,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:50:55,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:50:55,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:50:55,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:50:55,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:50:55" (1/1) ... [2022-12-14 15:50:55,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b40a430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:55, skipping insertion in model container [2022-12-14 15:50:55,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:50:55" (1/1) ... [2022-12-14 15:50:55,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:50:55,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:50:55,931 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_5974cd47-bb52-4f58-9b92-74d34e5634bb/sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-14 15:50:56,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:50:56,086 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:50:56,095 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_5974cd47-bb52-4f58-9b92-74d34e5634bb/sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-14 15:50:56,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:50:56,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:50:56,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:50:56,168 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:50:56,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56 WrapperNode [2022-12-14 15:50:56,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:50:56,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:50:56,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:50:56,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:50:56,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,211 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 516 [2022-12-14 15:50:56,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:50:56,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:50:56,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:50:56,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:50:56,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:50:56,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:50:56,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:50:56,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:50:56,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (1/1) ... [2022-12-14 15:50:56,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:50:56,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:50:56,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:50:56,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5974cd47-bb52-4f58-9b92-74d34e5634bb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:50:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:50:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 15:50:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:50:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:50:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:50:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 15:50:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 15:50:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 15:50:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 15:50:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 15:50:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 15:50:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-14 15:50:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-14 15:50:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:50:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 15:50:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:50:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:50:56,320 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 15:50:56,470 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:50:56,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:50:57,518 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:51:39,424 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:51:39,424 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:51:39,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:51:39 BoogieIcfgContainer [2022-12-14 15:51:39,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:51:39,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:51:39,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:51:39,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:51:39,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:50:55" (1/3) ... [2022-12-14 15:51:39,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420b5335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:51:39, skipping insertion in model container [2022-12-14 15:51:39,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:50:56" (2/3) ... [2022-12-14 15:51:39,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420b5335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:51:39, skipping insertion in model container [2022-12-14 15:51:39,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:51:39" (3/3) ... [2022-12-14 15:51:39,435 INFO L112 eAbstractionObserver]: Analyzing ICFG mix027_power.oepc_pso.oepc_rmo.oepc.i [2022-12-14 15:51:39,442 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 15:51:39,448 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:51:39,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 282 error locations. [2022-12-14 15:51:39,449 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 15:51:44,755 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 15:51:44,789 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 15:51:44,803 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 421 transitions, 862 flow [2022-12-14 15:51:44,806 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 421 transitions, 862 flow [2022-12-14 15:51:44,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 432 places, 421 transitions, 862 flow [2022-12-14 15:51:51,150 INFO L130 PetriNetUnfolder]: 2/417 cut-off events. [2022-12-14 15:51:51,150 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 15:51:51,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 417 events. 2/417 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2211 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 376. Up to 2 conditions per place. [2022-12-14 15:51:51,192 INFO L119 LiptonReduction]: Number of co-enabled transitions 94946 [2022-12-14 15:55:09,784 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 1890 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:55:19,696 WARN L233 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 2688 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:55:28,650 WARN L233 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 2702 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:55:56,393 WARN L233 SmtUtils]: Spent 10.66s on a formula simplification. DAG size of input: 2911 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:56:08,591 WARN L233 SmtUtils]: Spent 12.19s on a formula simplification. DAG size of input: 3344 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:56:20,552 WARN L233 SmtUtils]: Spent 11.54s on a formula simplification. DAG size of input: 3356 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:56:32,864 WARN L233 SmtUtils]: Spent 12.22s on a formula simplification. DAG size of input: 3360 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:56:43,532 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 1902 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:56:49,471 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 1890 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:57:49,654 WARN L233 SmtUtils]: Spent 55.24s on a formula simplification. DAG size of input: 6944 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:58:48,338 WARN L233 SmtUtils]: Spent 58.59s on a formula simplification. DAG size of input: 6948 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 15:59:58,168 WARN L233 SmtUtils]: Spent 1.16m on a formula simplification. DAG size of input: 7123 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:00:58,072 WARN L233 SmtUtils]: Spent 59.78s on a formula simplification. DAG size of input: 7117 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:01:59,541 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 7121 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:03:47,680 WARN L233 SmtUtils]: Spent 48.53s on a formula simplification. DAG size of input: 6642 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:04:54,885 WARN L233 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 7435 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)