./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6 --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 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 --- 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-e04fb08 [2022-11-16 01:52:44,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 01:52:44,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 01:52:44,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 01:52:44,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 01:52:44,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 01:52:44,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 01:52:44,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 01:52:44,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 01:52:44,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 01:52:44,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 01:52:44,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 01:52:44,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 01:52:44,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 01:52:44,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 01:52:44,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 01:52:44,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 01:52:44,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 01:52:44,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 01:52:44,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 01:52:44,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 01:52:44,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 01:52:44,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 01:52:44,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 01:52:44,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 01:52:44,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 01:52:44,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 01:52:44,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 01:52:44,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 01:52:44,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 01:52:44,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 01:52:44,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 01:52:44,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 01:52:44,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 01:52:44,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 01:52:44,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 01:52:44,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 01:52:44,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 01:52:44,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 01:52:44,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 01:52:44,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 01:52:44,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-16 01:52:44,552 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 01:52:44,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 01:52:44,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 01:52:44,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 01:52:44,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 01:52:44,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 01:52:44,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 01:52:44,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 01:52:44,556 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 01:52:44,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 01:52:44,556 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 01:52:44,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 01:52:44,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 01:52:44,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 01:52:44,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 01:52:44,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 01:52:44,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 01:52:44,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 01:52:44,560 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 01:52:44,560 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 01:52:44,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 01:52:44,561 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 01:52:44,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 01:52:44,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 01:52:44,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 01:52:44,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 01:52:44,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 01:52:44,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 01:52:44,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 01:52:44,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 01:52:44,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 01:52:44,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 01:52:44,563 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-16 01:52:44,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 01:52:44,564 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 01:52:44,564 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-16 01:52:44,564 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 01:52:44,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 01:52:44,565 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 01:52:44,565 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 01:52:44,565 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_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 [2022-11-16 01:52:44,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 01:52:44,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 01:52:44,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 01:52:44,860 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 01:52:44,861 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 01:52:44,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2022-11-16 01:52:44,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/data/5cd0bc37c/17c51ce91b824278b28f688954a07e45/FLAG1d956f87a [2022-11-16 01:52:45,604 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 01:52:45,605 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2022-11-16 01:52:45,619 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/data/5cd0bc37c/17c51ce91b824278b28f688954a07e45/FLAG1d956f87a [2022-11-16 01:52:45,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/data/5cd0bc37c/17c51ce91b824278b28f688954a07e45 [2022-11-16 01:52:45,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 01:52:45,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 01:52:45,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 01:52:45,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 01:52:45,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 01:52:45,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:52:45" (1/1) ... [2022-11-16 01:52:45,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5845ed7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:45, skipping insertion in model container [2022-11-16 01:52:45,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:52:45" (1/1) ... [2022-11-16 01:52:45,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 01:52:45,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 01:52:46,176 WARN L229 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_2ef09ff5-767d-47b6-906a-e52d624b66f9/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i[949,962] [2022-11-16 01:52:46,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 01:52:46,500 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 01:52:46,511 WARN L229 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_2ef09ff5-767d-47b6-906a-e52d624b66f9/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i[949,962] [2022-11-16 01:52:46,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 01:52:46,603 INFO L208 MainTranslator]: Completed translation [2022-11-16 01:52:46,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46 WrapperNode [2022-11-16 01:52:46,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 01:52:46,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 01:52:46,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 01:52:46,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 01:52:46,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,681 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 965 [2022-11-16 01:52:46,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 01:52:46,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 01:52:46,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 01:52:46,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 01:52:46,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 01:52:46,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 01:52:46,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 01:52:46,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 01:52:46,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (1/1) ... [2022-11-16 01:52:46,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 01:52:46,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 01:52:46,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 01:52:46,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 01:52:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 01:52:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 01:52:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 01:52:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 01:52:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 01:52:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 01:52:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 01:52:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 01:52:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 01:52:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 01:52:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 01:52:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-16 01:52:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-16 01:52:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 01:52:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 01:52:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 01:52:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 01:52:46,892 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 01:52:47,212 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 01:52:47,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 01:52:48,780 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 01:55:46,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 01:55:46,606 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 01:55:46,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:55:46 BoogieIcfgContainer [2022-11-16 01:55:46,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 01:55:46,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 01:55:46,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 01:55:46,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 01:55:46,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:52:45" (1/3) ... [2022-11-16 01:55:46,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f22326f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:55:46, skipping insertion in model container [2022-11-16 01:55:46,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:46" (2/3) ... [2022-11-16 01:55:46,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f22326f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:55:46, skipping insertion in model container [2022-11-16 01:55:46,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:55:46" (3/3) ... [2022-11-16 01:55:46,617 INFO L112 eAbstractionObserver]: Analyzing ICFG mix037_tso.oepc.i [2022-11-16 01:55:46,627 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 01:55:46,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 01:55:46,640 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 284 error locations. [2022-11-16 01:55:46,640 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 01:55:53,555 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 01:55:53,607 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 01:55:53,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 01:55:53,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 01:55:53,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 01:55:53,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef09ff5-767d-47b6-906a-e52d624b66f9/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 01:55:53,699 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 01:55:53,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2022-11-16 01:55:53,723 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;@7e136dc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 01:55:53,723 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations.