./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_rmo.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_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/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_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/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_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/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 bb32390c6e08fa980f308e05dcc5f75aadd246c70ded8fbe4d875fa3ae4239fa --- 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 10:41:14,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:41:14,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:41:14,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:41:14,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:41:14,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:41:14,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:41:14,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:41:14,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:41:14,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:41:14,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:41:14,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:41:14,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:41:14,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:41:14,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:41:14,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:41:14,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:41:14,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:41:14,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:41:14,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:41:14,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:41:14,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:41:14,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:41:14,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:41:14,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:41:14,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:41:14,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:41:14,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:41:14,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:41:14,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:41:14,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:41:14,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:41:14,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:41:14,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:41:14,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:41:14,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:41:14,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:41:14,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:41:14,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:41:14,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:41:14,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:41:14,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 10:41:14,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:41:14,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:41:14,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:41:14,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:41:14,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:41:14,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:41:14,395 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:41:14,395 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:41:14,395 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:41:14,395 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:41:14,395 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:41:14,396 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:41:14,396 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:41:14,396 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:41:14,396 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:41:14,396 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:41:14,397 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:41:14,397 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:41:14,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:41:14,398 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:41:14,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:41:14,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:41:14,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:41:14,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:41:14,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:41:14,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:41:14,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:41:14,399 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 10:41:14,399 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:41:14,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:41:14,400 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:41:14,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:41:14,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:41:14,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:41:14,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:41:14,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:41:14,401 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:41:14,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:41:14,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:41:14,401 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:41:14,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:41:14,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:41:14,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:41:14,402 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_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb32390c6e08fa980f308e05dcc5f75aadd246c70ded8fbe4d875fa3ae4239fa [2022-12-14 10:41:14,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:41:14,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:41:14,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:41:14,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:41:14,640 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:41:14,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i [2022-12-14 10:41:17,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:41:17,402 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:41:17,403 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i [2022-12-14 10:41:17,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/data/29eba164a/c754ae2189d04be783e79d2cd55e6a87/FLAGef5cb16a5 [2022-12-14 10:41:17,760 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/data/29eba164a/c754ae2189d04be783e79d2cd55e6a87 [2022-12-14 10:41:17,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:41:17,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:41:17,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:41:17,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:41:17,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:41:17,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:41:17" (1/1) ... [2022-12-14 10:41:17,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c4d7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:17, skipping insertion in model container [2022-12-14 10:41:17,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:41:17" (1/1) ... [2022-12-14 10:41:17,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:41:17,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:41:17,947 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_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i[993,1006] [2022-12-14 10:41:18,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:41:18,131 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:41:18,139 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_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i[993,1006] [2022-12-14 10:41:18,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,207 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,207 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:41:18,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:41:18,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:41:18,236 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:41:18,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18 WrapperNode [2022-12-14 10:41:18,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:41:18,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:41:18,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:41:18,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:41:18,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,278 INFO L138 Inliner]: procedures = 176, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 321 [2022-12-14 10:41:18,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:41:18,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:41:18,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:41:18,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:41:18,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:41:18,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:41:18,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:41:18,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:41:18,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (1/1) ... [2022-12-14 10:41:18,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:41:18,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:41:18,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:41:18,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9c4fc9-0aee-4533-93c2-2ee38d09a4ee/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:41:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:41:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:41:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 10:41:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:41:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:41:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:41:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 10:41:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 10:41:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 10:41:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 10:41:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 10:41:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 10:41:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:41:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 10:41:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:41:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:41:18,393 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 10:41:18,539 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:41:18,541 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:41:19,312 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:44:05,540 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:44:05,540 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 10:44:05,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:44:05 BoogieIcfgContainer [2022-12-14 10:44:05,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:44:05,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:44:05,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:44:05,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:44:05,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:41:17" (1/3) ... [2022-12-14 10:44:05,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31098e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:44:05, skipping insertion in model container [2022-12-14 10:44:05,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:41:18" (2/3) ... [2022-12-14 10:44:05,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31098e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:44:05, skipping insertion in model container [2022-12-14 10:44:05,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:44:05" (3/3) ... [2022-12-14 10:44:05,549 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_rmo.oepc.i [2022-12-14 10:44:05,557 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 10:44:05,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:44:05,565 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 184 error locations. [2022-12-14 10:44:05,565 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 10:44:25,733 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 10:44:25,758 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 10:44:25,769 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 326 places, 318 transitions, 651 flow [2022-12-14 10:44:25,772 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 326 places, 318 transitions, 651 flow [2022-12-14 10:44:25,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 326 places, 318 transitions, 651 flow [2022-12-14 10:45:02,225 INFO L130 PetriNetUnfolder]: 2/315 cut-off events. [2022-12-14 10:45:02,225 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 10:45:02,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 315 events. 2/315 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1541 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 257. Up to 2 conditions per place. [2022-12-14 10:45:02,245 INFO L119 LiptonReduction]: Number of co-enabled transitions 40360