./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e872da92455c9ab0fe125378ae9802f1d4dfc806cea229583fb74f8b758e929f --- 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-38b53e6 [2022-11-25 18:38:45,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:38:45,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:38:45,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:38:45,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:38:45,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:38:45,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:38:45,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:38:45,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:38:45,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:38:45,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:38:45,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:38:45,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:38:45,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:38:45,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:38:45,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:38:45,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:38:45,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:38:45,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:38:45,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:38:45,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:38:45,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:38:46,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:38:46,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:38:46,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:38:46,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:38:46,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:38:46,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:38:46,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:38:46,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:38:46,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:38:46,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:38:46,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:38:46,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:38:46,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:38:46,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:38:46,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:38:46,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:38:46,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:38:46,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:38:46,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:38:46,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-25 18:38:46,066 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:38:46,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:38:46,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:38:46,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:38:46,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:38:46,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:38:46,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:38:46,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:38:46,078 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:38:46,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:38:46,079 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:38:46,079 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:38:46,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:38:46,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:38:46,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:38:46,080 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 18:38:46,081 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 18:38:46,081 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 18:38:46,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:38:46,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:38:46,081 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:38:46,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:38:46,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:38:46,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:38:46,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:38:46,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:38:46,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:38:46,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:38:46,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:38:46,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:38:46,084 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:38:46,084 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:38:46,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:38:46,085 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:38:46,085 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:38:46,085 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_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e872da92455c9ab0fe125378ae9802f1d4dfc806cea229583fb74f8b758e929f [2022-11-25 18:38:46,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:38:46,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:38:46,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:38:46,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:38:46,413 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:38:46,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2022-11-25 18:38:49,505 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:38:49,761 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:38:49,762 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2022-11-25 18:38:49,776 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/data/1076c71cc/42931c8b919542d287f07902ce48b777/FLAG8c61dbe72 [2022-11-25 18:38:49,792 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/data/1076c71cc/42931c8b919542d287f07902ce48b777 [2022-11-25 18:38:49,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:38:49,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:38:49,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:38:49,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:38:49,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:38:49,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:38:49" (1/1) ... [2022-11-25 18:38:49,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51781026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:49, skipping insertion in model container [2022-11-25 18:38:49,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:38:49" (1/1) ... [2022-11-25 18:38:49,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:38:49,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:38:50,017 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_7559ecb5-2746-4b4f-986b-bb58100f0567/sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i[995,1008] [2022-11-25 18:38:50,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,259 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,264 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,264 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,265 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,277 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:38:50,340 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:38:50,356 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_7559ecb5-2746-4b4f-986b-bb58100f0567/sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i[995,1008] [2022-11-25 18:38:50,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,418 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,425 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,425 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,445 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,470 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,470 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:38:50,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:38:50,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:38:50,511 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:38:50,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50 WrapperNode [2022-11-25 18:38:50,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:38:50,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:38:50,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:38:50,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:38:50,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,598 INFO L138 Inliner]: procedures = 176, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-25 18:38:50,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:38:50,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:38:50,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:38:50,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:38:50,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,655 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:38:50,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:38:50,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:38:50,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:38:50,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (1/1) ... [2022-11-25 18:38:50,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:38:50,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:38:50,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:38:50,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:38:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:38:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:38:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:38:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:38:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:38:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:38:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 18:38:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 18:38:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 18:38:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 18:38:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 18:38:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 18:38:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:38:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:38:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:38:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:38:50,766 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:38:50,924 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:38:50,926 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:38:51,804 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:38:52,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:38:52,631 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:38:52,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:38:52 BoogieIcfgContainer [2022-11-25 18:38:52,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:38:52,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:38:52,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:38:52,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:38:52,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:38:49" (1/3) ... [2022-11-25 18:38:52,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1400c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:38:52, skipping insertion in model container [2022-11-25 18:38:52,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:38:50" (2/3) ... [2022-11-25 18:38:52,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1400c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:38:52, skipping insertion in model container [2022-11-25 18:38:52,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:38:52" (3/3) ... [2022-11-25 18:38:52,647 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_power.oepc.i [2022-11-25 18:38:52,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:38:52,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2022-11-25 18:38:52,671 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:38:52,899 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:38:52,958 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:38:52,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:38:52,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:38:52,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:38:52,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7559ecb5-2746-4b4f-986b-bb58100f0567/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:38:53,018 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:38:53,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2022-11-25 18:38:53,037 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33ec9364, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:38:53,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations.