./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix039.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/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_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix039.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/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_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/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 4df22382a468f75ea1bc6624bacd8789c0b9b9f8aa1bc2866cf2715dcbc507bc --- 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 08:00:05,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:00:05,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:00:05,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:00:05,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:00:05,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:00:05,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:00:05,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:00:05,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:00:05,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:00:05,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:00:05,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:00:05,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:00:05,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:00:05,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:00:05,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:00:05,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:00:05,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:00:05,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:00:05,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:00:05,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:00:05,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:00:05,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:00:05,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:00:05,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:00:05,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:00:05,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:00:05,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:00:05,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:00:05,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:00:05,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:00:05,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:00:05,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:00:05,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:00:05,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:00:05,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:00:05,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:00:05,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:00:05,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:00:05,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:00:05,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:00:05,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:00:05,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:00:05,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:00:05,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:00:05,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:00:05,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:00:05,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:00:05,073 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:00:05,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:00:05,073 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:00:05,073 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:00:05,074 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:00:05,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:00:05,074 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:00:05,074 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:00:05,075 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:00:05,075 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:00:05,075 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:00:05,075 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:00:05,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:00:05,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:00:05,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:00:05,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:00:05,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:00:05,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:00:05,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:00:05,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:00:05,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:00:05,078 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:00:05,078 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:00:05,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:00:05,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:00:05,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:00:05,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:00:05,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:00:05,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:00:05,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:00:05,079 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:00:05,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:00:05,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:00:05,080 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:00:05,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:00:05,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:00:05,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:00:05,080 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_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4df22382a468f75ea1bc6624bacd8789c0b9b9f8aa1bc2866cf2715dcbc507bc [2022-12-14 08:00:05,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:00:05,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:00:05,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:00:05,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:00:05,283 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:00:05,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix039.opt.i [2022-12-14 08:00:07,885 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:00:08,081 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:00:08,082 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/sv-benchmarks/c/pthread-wmm/mix039.opt.i [2022-12-14 08:00:08,092 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/data/4c368c690/10ae7aa96ca14e79971b92d83d08f2d1/FLAGee9799214 [2022-12-14 08:00:08,102 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/data/4c368c690/10ae7aa96ca14e79971b92d83d08f2d1 [2022-12-14 08:00:08,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:00:08,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:00:08,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:00:08,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:00:08,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:00:08,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdf44dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08, skipping insertion in model container [2022-12-14 08:00:08,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:00:08,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:00:08,257 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_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/sv-benchmarks/c/pthread-wmm/mix039.opt.i[944,957] [2022-12-14 08:00:08,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,382 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:00:08,410 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:00:08,418 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_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/sv-benchmarks/c/pthread-wmm/mix039.opt.i[944,957] [2022-12-14 08:00:08,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,447 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,447 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,447 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,448 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:00:08,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:00:08,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:00:08,482 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:00:08,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08 WrapperNode [2022-12-14 08:00:08,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:00:08,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:00:08,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:00:08,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:00:08,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,523 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 536 [2022-12-14 08:00:08,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:00:08,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:00:08,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:00:08,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:00:08,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:00:08,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:00:08,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:00:08,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:00:08,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (1/1) ... [2022-12-14 08:00:08,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:00:08,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:00:08,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:00:08,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1fae4f-9863-4389-9faa-acb8f59dc3b8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:00:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:00:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:00:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:00:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:00:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:00:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 08:00:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 08:00:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 08:00:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 08:00:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 08:00:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 08:00:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-14 08:00:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-14 08:00:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:00:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:00:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:00:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:00:08,617 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 08:00:08,770 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:00:08,772 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:00:09,582 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:01:07,402 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:01:07,402 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:01:07,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:01:07 BoogieIcfgContainer [2022-12-14 08:01:07,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:01:07,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:01:07,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:01:07,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:01:07,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:00:08" (1/3) ... [2022-12-14 08:01:07,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce393a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:01:07, skipping insertion in model container [2022-12-14 08:01:07,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:00:08" (2/3) ... [2022-12-14 08:01:07,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce393a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:01:07, skipping insertion in model container [2022-12-14 08:01:07,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:01:07" (3/3) ... [2022-12-14 08:01:07,409 INFO L112 eAbstractionObserver]: Analyzing ICFG mix039.opt.i [2022-12-14 08:01:07,416 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:01:07,423 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:01:07,423 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 200 error locations. [2022-12-14 08:01:07,423 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:01:13,664 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:01:13,687 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:01:13,698 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 339 transitions, 698 flow [2022-12-14 08:01:13,700 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 339 transitions, 698 flow [2022-12-14 08:01:13,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 350 places, 339 transitions, 698 flow [2022-12-14 08:01:23,315 INFO L130 PetriNetUnfolder]: 2/335 cut-off events. [2022-12-14 08:01:23,316 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:01:23,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 335 events. 2/335 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1610 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2022-12-14 08:01:23,335 INFO L119 LiptonReduction]: Number of co-enabled transitions 51446 [2022-12-14 08:02:04,943 WARN L233 SmtUtils]: Spent 13.49s on a formula simplification. DAG size of input: 3556 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:02:26,874 WARN L233 SmtUtils]: Spent 11.13s on a formula simplification. DAG size of input: 2533 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:02:48,413 WARN L233 SmtUtils]: Spent 21.53s on a formula simplification. DAG size of input: 3616 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:03:20,573 WARN L233 SmtUtils]: Spent 10.72s on a formula simplification. DAG size of input: 2451 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:03:40,788 WARN L233 SmtUtils]: Spent 20.20s on a formula simplification. DAG size of input: 3517 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:05:21,945 WARN L233 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 2835 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:05:35,299 WARN L233 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 2423 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:05:47,032 WARN L233 SmtUtils]: Spent 11.72s on a formula simplification. DAG size of input: 2961 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:06:03,059 WARN L233 SmtUtils]: Spent 13.87s on a formula simplification. DAG size of input: 3714 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:06:23,460 WARN L233 SmtUtils]: Spent 20.36s on a formula simplification. DAG size of input: 3714 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:07:25,416 WARN L233 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 7195 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:08:32,831 WARN L233 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 7193 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:08:53,340 WARN L233 SmtUtils]: Spent 20.46s on a formula simplification. DAG size of input: 3714 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:10:05,614 WARN L233 SmtUtils]: Spent 43.59s on a formula simplification. DAG size of input: 6177 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:11:17,771 WARN L233 SmtUtils]: Spent 1.20m on a formula simplification. DAG size of input: 7345 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:12:34,309 WARN L233 SmtUtils]: Spent 1.27m on a formula simplification. DAG size of input: 7402 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:13:48,780 WARN L233 SmtUtils]: Spent 1.24m on a formula simplification. DAG size of input: 7399 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)