./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix006.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_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/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_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/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_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/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 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 --- 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 13:59:56,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:59:56,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:59:56,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:59:56,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:59:56,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:59:56,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:59:56,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:59:56,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:59:56,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:59:57,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:59:57,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:59:57,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:59:57,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:59:57,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:59:57,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:59:57,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:59:57,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:59:57,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:59:57,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:59:57,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:59:57,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:59:57,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:59:57,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:59:57,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:59:57,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:59:57,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:59:57,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:59:57,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:59:57,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:59:57,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:59:57,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:59:57,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:59:57,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:59:57,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:59:57,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:59:57,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:59:57,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:59:57,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:59:57,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:59:57,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:59:57,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 13:59:57,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:59:57,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:59:57,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:59:57,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:59:57,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:59:57,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:59:57,052 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:59:57,052 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:59:57,052 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:59:57,053 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:59:57,053 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:59:57,053 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:59:57,053 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:59:57,053 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:59:57,053 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:59:57,054 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:59:57,054 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:59:57,054 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:59:57,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:59:57,055 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:59:57,055 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 13:59:57,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:59:57,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:59:57,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:59:57,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:59:57,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:59:57,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:59:57,056 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 13:59:57,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:59:57,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:59:57,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:59:57,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:59:57,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:59:57,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:59:57,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:59:57,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:59:57,057 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:59:57,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:59:57,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:59:57,057 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:59:57,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:59:57,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:59:57,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:59:57,058 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_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 [2022-12-14 13:59:57,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:59:57,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:59:57,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:59:57,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:59:57,247 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:59:57,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix006.opt.i [2022-12-14 13:59:59,783 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:59:59,970 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:59:59,970 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/sv-benchmarks/c/pthread-wmm/mix006.opt.i [2022-12-14 13:59:59,980 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/data/4ce57c362/8c635e88c0c648639127b05bf6d09437/FLAG7af671faa [2022-12-14 13:59:59,992 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/data/4ce57c362/8c635e88c0c648639127b05bf6d09437 [2022-12-14 13:59:59,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:59:59,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:59:59,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:59:59,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:59:59,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:00:00,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:59:59" (1/1) ... [2022-12-14 14:00:00,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab6c4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00, skipping insertion in model container [2022-12-14 14:00:00,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:59:59" (1/1) ... [2022-12-14 14:00:00,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:00:00,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:00:00,147 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_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2022-12-14 14:00:00,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,266 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,266 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,266 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,268 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,287 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:00:00,307 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:00:00,315 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_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2022-12-14 14:00:00,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:00:00,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:00:00,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:00:00,384 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:00:00,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00 WrapperNode [2022-12-14 14:00:00,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:00:00,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:00:00,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:00:00,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:00:00,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,434 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 952 [2022-12-14 14:00:00,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:00:00,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:00:00,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:00:00,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:00:00,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,466 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:00:00,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:00:00,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:00:00,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:00:00,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (1/1) ... [2022-12-14 14:00:00,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:00:00,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:00:00,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:00:00,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1a56e7-cc3d-4b39-9922-db8cd96dcda3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:00:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:00:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 14:00:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:00:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:00:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:00:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 14:00:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 14:00:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 14:00:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 14:00:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 14:00:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 14:00:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:00:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 14:00:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:00:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:00:00,536 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 14:00:00,684 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:00:00,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:00:01,732 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:03:26,157 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:03:26,157 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:03:26,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:03:26 BoogieIcfgContainer [2022-12-14 14:03:26,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:03:26,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:03:26,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:03:26,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:03:26,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:59:59" (1/3) ... [2022-12-14 14:03:26,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcaead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:03:26, skipping insertion in model container [2022-12-14 14:03:26,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:00" (2/3) ... [2022-12-14 14:03:26,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcaead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:03:26, skipping insertion in model container [2022-12-14 14:03:26,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:03:26" (3/3) ... [2022-12-14 14:03:26,165 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006.opt.i [2022-12-14 14:03:26,172 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 14:03:26,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:03:26,179 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 288 error locations. [2022-12-14 14:03:26,179 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 14:03:38,792 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 14:03:38,818 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 14:03:38,829 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 407 transitions, 829 flow [2022-12-14 14:03:38,831 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 407 transitions, 829 flow [2022-12-14 14:03:38,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 415 places, 407 transitions, 829 flow [2022-12-14 14:04:01,170 INFO L130 PetriNetUnfolder]: 2/404 cut-off events. [2022-12-14 14:04:01,170 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 14:04:01,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 404 events. 2/404 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2512 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 363. Up to 2 conditions per place. [2022-12-14 14:04:01,194 INFO L119 LiptonReduction]: Number of co-enabled transitions 80168 [2022-12-14 14:12:41,547 WARN L233 SmtUtils]: Spent 7.68s on a formula simplification. DAG size of input: 2945 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 14:12:56,596 WARN L233 SmtUtils]: Spent 14.94s on a formula simplification. DAG size of input: 3656 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 14:13:13,874 WARN L233 SmtUtils]: Spent 17.17s on a formula simplification. DAG size of input: 3643 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)