./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/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_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/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_cb500f29-95ce-4130-b5ad-f0d3320634c6/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 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 --- 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 08:10:29,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:10:29,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:10:29,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:10:29,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:10:29,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:10:29,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:10:29,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:10:29,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:10:29,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:10:29,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:10:29,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:10:29,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:10:29,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:10:29,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:10:29,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:10:29,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:10:29,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:10:29,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:10:29,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:10:29,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:10:29,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:10:29,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:10:29,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:10:29,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:10:29,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:10:29,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:10:29,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:10:29,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:10:29,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:10:29,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:10:29,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:10:29,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:10:29,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:10:29,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:10:29,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:10:29,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:10:29,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:10:29,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:10:29,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:10:29,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:10:29,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:10:29,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:10:29,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:10:29,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:10:29,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:10:29,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:10:29,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:10:29,779 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:10:29,779 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:10:29,780 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:10:29,780 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:10:29,780 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:10:29,780 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:10:29,780 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:10:29,780 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:10:29,781 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:10:29,781 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:10:29,781 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:10:29,781 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:10:29,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:10:29,782 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:10:29,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:10:29,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:10:29,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:10:29,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:10:29,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:10:29,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:10:29,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:10:29,783 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:10:29,783 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:10:29,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:10:29,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:10:29,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:10:29,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:10:29,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:10:29,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:10:29,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:10:29,785 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:10:29,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:10:29,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:10:29,785 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:10:29,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:10:29,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:10:29,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:10:29,786 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_cb500f29-95ce-4130-b5ad-f0d3320634c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 [2022-12-14 08:10:29,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:10:29,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:10:29,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:10:29,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:10:29,991 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:10:29,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2022-12-14 08:10:32,578 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:10:32,759 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:10:32,760 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2022-12-14 08:10:32,781 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/data/539ef8e2e/d768f502e51842ceaf96182d663e2349/FLAGdf0fb6e5a [2022-12-14 08:10:32,791 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/data/539ef8e2e/d768f502e51842ceaf96182d663e2349 [2022-12-14 08:10:32,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:10:32,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:10:32,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:10:32,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:10:32,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:10:32,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:10:32" (1/1) ... [2022-12-14 08:10:32,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a125dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:32, skipping insertion in model container [2022-12-14 08:10:32,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:10:32" (1/1) ... [2022-12-14 08:10:32,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:10:32,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:10:32,949 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_cb500f29-95ce-4130-b5ad-f0d3320634c6/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2022-12-14 08:10:33,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:10:33,137 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:10:33,148 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_cb500f29-95ce-4130-b5ad-f0d3320634c6/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2022-12-14 08:10:33,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:10:33,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:10:33,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:10:33,221 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:10:33,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33 WrapperNode [2022-12-14 08:10:33,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:10:33,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:10:33,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:10:33,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:10:33,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,292 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 519 [2022-12-14 08:10:33,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:10:33,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:10:33,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:10:33,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:10:33,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,351 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:10:33,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:10:33,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:10:33,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:10:33,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (1/1) ... [2022-12-14 08:10:33,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:10:33,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:10:33,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:10:33,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb500f29-95ce-4130-b5ad-f0d3320634c6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:10:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:10:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:10:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:10:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:10:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:10:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 08:10:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 08:10:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 08:10:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 08:10:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 08:10:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 08:10:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-14 08:10:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-14 08:10:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:10:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:10:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:10:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:10:33,439 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 08:10:33,597 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:10:33,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:10:34,666 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:11:24,834 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:11:24,834 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:11:24,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:11:24 BoogieIcfgContainer [2022-12-14 08:11:24,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:11:24,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:11:24,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:11:24,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:11:24,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:10:32" (1/3) ... [2022-12-14 08:11:24,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d952b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:11:24, skipping insertion in model container [2022-12-14 08:11:24,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:33" (2/3) ... [2022-12-14 08:11:24,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d952b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:11:24, skipping insertion in model container [2022-12-14 08:11:24,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:11:24" (3/3) ... [2022-12-14 08:11:24,842 INFO L112 eAbstractionObserver]: Analyzing ICFG mix046.oepc.i [2022-12-14 08:11:24,849 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:11:24,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:11:24,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 283 error locations. [2022-12-14 08:11:24,856 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:11:31,575 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:11:31,607 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:11:31,619 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 424 transitions, 868 flow [2022-12-14 08:11:31,622 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 424 transitions, 868 flow [2022-12-14 08:11:31,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 435 places, 424 transitions, 868 flow [2022-12-14 08:11:36,335 INFO L130 PetriNetUnfolder]: 2/420 cut-off events. [2022-12-14 08:11:36,335 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:11:36,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 420 events. 2/420 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2179 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 378. Up to 2 conditions per place. [2022-12-14 08:11:36,364 INFO L119 LiptonReduction]: Number of co-enabled transitions 95772 [2022-12-14 08:13:16,836 WARN L233 SmtUtils]: Spent 1.39m on a formula simplification. DAG size of input: 9198 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:15:07,784 WARN L233 SmtUtils]: Spent 1.85m on a formula simplification. DAG size of input: 9198 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:16:20,055 WARN L233 SmtUtils]: Spent 1.20m on a formula simplification. DAG size of input: 9198 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:17:32,351 WARN L233 SmtUtils]: Spent 1.19m on a formula simplification. DAG size of input: 7969 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:19:58,164 WARN L233 SmtUtils]: Spent 2.43m on a formula simplification. DAG size of input: 9343 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:21:53,409 WARN L233 SmtUtils]: Spent 1.92m on a formula simplification. DAG size of input: 9383 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:22:55,040 WARN L233 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 8030 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:25:31,856 WARN L233 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 9452 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)