./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/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_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1a7472923aa95b61749a468b52dfc65e03dead5bf647c94f71a6e156dc586ae --- 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 18:49:48,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:49:48,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:49:48,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:49:48,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:49:48,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:49:48,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:49:48,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:49:48,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:49:48,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:49:48,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:49:48,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:49:48,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:49:48,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:49:48,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:49:48,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:49:48,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:49:48,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:49:48,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:49:48,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:49:48,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:49:48,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:49:48,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:49:48,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:49:48,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:49:48,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:49:48,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:49:48,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:49:48,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:49:48,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:49:48,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:49:48,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:49:48,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:49:48,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:49:48,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:49:48,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:49:48,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:49:48,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:49:48,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:49:48,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:49:48,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:49:48,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-25 18:49:48,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:49:48,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:49:48,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:49:48,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:49:48,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:49:48,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:49:48,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:49:48,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:49:48,572 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:49:48,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:49:48,573 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:49:48,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:49:48,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:49:48,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:49:48,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:49:48,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:49:48,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:49:48,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:49:48,575 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:49:48,575 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:49:48,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:49:48,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:49:48,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:49:48,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:49:48,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:49:48,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-25 18:49:48,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:49:48,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:49:48,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:49:48,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:49:48,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:49:48,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:49:48,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:49:48,578 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:49:48,578 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:49:48,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:49:48,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:49:48,579 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:49:48,579 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:49:48,580 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_f66c03a3-73f6-4a69-800a-6756c5a07770/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1a7472923aa95b61749a468b52dfc65e03dead5bf647c94f71a6e156dc586ae [2022-11-25 18:49:48,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:49:48,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:49:48,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:49:48,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:49:48,982 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:49:48,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i [2022-11-25 18:49:52,274 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:49:52,607 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:49:52,647 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i [2022-11-25 18:49:52,699 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/data/dde9bbd42/bd9a852f5c3d434aa270c0ae6a78c2aa/FLAG85a4f40ca [2022-11-25 18:49:52,728 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/data/dde9bbd42/bd9a852f5c3d434aa270c0ae6a78c2aa [2022-11-25 18:49:52,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:49:52,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:49:52,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:49:52,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:49:52,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:49:52,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:49:52" (1/1) ... [2022-11-25 18:49:52,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfddba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:52, skipping insertion in model container [2022-11-25 18:49:52,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:49:52" (1/1) ... [2022-11-25 18:49:52,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:49:52,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:49:53,049 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_f66c03a3-73f6-4a69-800a-6756c5a07770/sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i[1014,1027] [2022-11-25 18:49:53,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,410 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:49:53,449 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:49:53,467 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_f66c03a3-73f6-4a69-800a-6756c5a07770/sv-benchmarks/c/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i[1014,1027] [2022-11-25 18:49:53,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:49:53,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:49:53,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:49:53,603 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:49:53,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53 WrapperNode [2022-11-25 18:49:53,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:49:53,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:49:53,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:49:53,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:49:53,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,674 INFO L138 Inliner]: procedures = 175, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 293 [2022-11-25 18:49:53,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:49:53,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:49:53,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:49:53,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:49:53,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,751 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:49:53,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:49:53,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:49:53,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:49:53,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (1/1) ... [2022-11-25 18:49:53,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:49:53,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:53,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:49:53,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:49:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:49:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:49:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:49:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:49:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:49:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:49:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 18:49:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 18:49:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 18:49:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 18:49:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:49:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:49:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:49:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:49:53,884 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 18:49:54,145 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:49:54,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:49:56,342 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:51:15,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:51:15,388 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:51:15,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:15 BoogieIcfgContainer [2022-11-25 18:51:15,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:51:15,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:51:15,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:51:15,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:51:15,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:49:52" (1/3) ... [2022-11-25 18:51:15,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a4dc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:15, skipping insertion in model container [2022-11-25 18:51:15,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:53" (2/3) ... [2022-11-25 18:51:15,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a4dc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:15, skipping insertion in model container [2022-11-25 18:51:15,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:15" (3/3) ... [2022-11-25 18:51:15,421 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_power.oepc-thin000_power.oepc.i [2022-11-25 18:51:15,439 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:51:15,453 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:51:15,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 226 error locations. [2022-11-25 18:51:15,453 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:51:27,390 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:51:27,439 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:51:27,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:51:27,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:27,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:51:27,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66c03a3-73f6-4a69-800a-6756c5a07770/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:51:27,500 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:51:27,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-25 18:51:27,523 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@11d25bf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:51:27,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 45 error locations.