./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:04:45,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:04:45,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:04:45,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:04:45,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:04:45,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:04:45,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:04:45,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:04:45,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:04:45,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:04:45,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:04:45,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:04:45,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:04:45,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:04:45,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:04:45,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:04:45,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:04:45,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:04:45,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:04:45,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:04:45,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:04:45,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:04:45,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:04:45,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:04:45,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:04:45,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:04:45,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:04:45,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:04:45,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:04:45,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:04:45,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:04:45,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:04:45,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:04:45,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:04:45,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:04:45,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:04:45,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:04:45,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:04:45,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:04:45,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:04:45,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:04:45,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-22 23:04:45,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:04:45,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:04:45,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:04:45,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:04:45,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:04:45,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:04:45,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:04:45,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:04:45,485 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:04:45,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:04:45,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:04:45,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:04:45,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:04:45,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:04:45,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:04:45,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:04:45,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:04:45,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:04:45,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:04:45,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:04:45,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:04:45,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:04:45,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:04:45,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:04:45,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:04:45,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:04:45,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:04:45,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:04:45,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:04:45,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:04:45,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:04:45,490 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:04:45,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:04:45,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:04:45,491 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:04:45,491 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:04:45,492 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_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-22 23:04:45,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:04:45,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:04:45,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:04:45,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:04:45,862 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:04:45,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-22 23:04:45,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data/73ba1aa37/75e299cb2e90457b82229b0b0410f180/FLAG63629b444 [2021-11-22 23:04:46,552 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:04:46,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-22 23:04:46,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data/73ba1aa37/75e299cb2e90457b82229b0b0410f180/FLAG63629b444 [2021-11-22 23:04:46,800 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data/73ba1aa37/75e299cb2e90457b82229b0b0410f180 [2021-11-22 23:04:46,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:04:46,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:04:46,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:46,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:04:46,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:04:46,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:46" (1/1) ... [2021-11-22 23:04:46,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644ed42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:46, skipping insertion in model container [2021-11-22 23:04:46,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:46" (1/1) ... [2021-11-22 23:04:46,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:04:46,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:04:47,114 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 23:04:47,267 WARN L230 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_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-22 23:04:47,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:04:47,284 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:04:47,302 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 23:04:47,329 WARN L230 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_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-22 23:04:47,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:04:47,385 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:04:47,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47 WrapperNode [2021-11-22 23:04:47,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:47,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:04:47,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:04:47,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:04:47,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,454 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-11-22 23:04:47,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:04:47,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:04:47,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:04:47,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:04:47,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:04:47,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:04:47,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:04:47,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:04:47,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2021-11-22 23:04:47,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:04:47,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:04:47,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 23:04:47,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 23:04:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:04:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-22 23:04:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-22 23:04:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:04:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:04:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:04:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:04:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:04:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:04:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:04:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:04:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:04:47,604 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:04:47,732 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:04:47,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:04:47,908 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:04:48,044 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:04:48,045 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:04:48,046 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-22 23:04:48,063 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-22 23:04:48,066 INFO L158 Benchmark]: Toolchain (without parser) took 1261.92ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 43.8MB in the end (delta: 9.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-22 23:04:48,067 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:04:48,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.99ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 62.0MB in the end (delta: -9.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-22 23:04:48,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.24ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 59.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:04:48,069 INFO L158 Benchmark]: Boogie Preprocessor took 47.76ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 58.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:04:48,070 INFO L158 Benchmark]: RCFGBuilder took 561.24ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 43.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:04:48,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.99ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 62.0MB in the end (delta: -9.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.24ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 59.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.76ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 58.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.24ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 43.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:04:48,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:04:50,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:04:50,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:04:50,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:04:50,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:04:50,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:04:50,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:04:50,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:04:50,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:04:50,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:04:50,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:04:50,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:04:50,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:04:50,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:04:50,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:04:50,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:04:50,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:04:50,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:04:50,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:04:50,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:04:50,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:04:50,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:04:50,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:04:50,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:04:50,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:04:50,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:04:50,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:04:50,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:04:50,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:04:50,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:04:50,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:04:50,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:04:50,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:04:50,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:04:50,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:04:50,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:04:50,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:04:50,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:04:50,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:04:50,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:04:50,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:04:50,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-22 23:04:50,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:04:50,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:04:50,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:04:50,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:04:50,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:04:50,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:04:50,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:04:50,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:04:50,909 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:04:50,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:04:50,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:04:50,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:04:50,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:04:50,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:04:50,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:04:50,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:04:50,911 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:04:50,911 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:04:50,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:04:50,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:04:50,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:04:50,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:04:50,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:04:50,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:04:50,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:04:50,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:04:50,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:04:50,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:04:50,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:04:50,915 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 23:04:50,915 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:04:50,915 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:04:50,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:04:50,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:04:50,916 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:04:50,916 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:04:50,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:04:50,917 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-22 23:04:51,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:04:51,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:04:51,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:04:51,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:04:51,344 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:04:51,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-22 23:04:51,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data/50909bc55/66b9e3e70db140ec8098e95bfcf420f6/FLAG18129282d [2021-11-22 23:04:52,052 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:04:52,053 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-22 23:04:52,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data/50909bc55/66b9e3e70db140ec8098e95bfcf420f6/FLAG18129282d [2021-11-22 23:04:52,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/data/50909bc55/66b9e3e70db140ec8098e95bfcf420f6 [2021-11-22 23:04:52,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:04:52,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:04:52,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:52,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:04:52,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:04:52,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:52" (1/1) ... [2021-11-22 23:04:52,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eaa1777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:52, skipping insertion in model container [2021-11-22 23:04:52,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:52" (1/1) ... [2021-11-22 23:04:52,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:04:52,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:04:52,732 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 23:04:52,970 WARN L230 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_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-22 23:04:52,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:04:52,997 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:04:53,013 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 23:04:53,038 WARN L230 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_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-22 23:04:53,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:04:53,087 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:04:53,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53 WrapperNode [2021-11-22 23:04:53,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:53,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:04:53,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:04:53,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:04:53,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,138 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-11-22 23:04:53,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:04:53,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:04:53,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:04:53,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:04:53,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:04:53,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:04:53,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:04:53,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:04:53,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:53" (1/1) ... [2021-11-22 23:04:53,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:04:53,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:04:53,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 23:04:53,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 23:04:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 23:04:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-22 23:04:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-22 23:04:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:04:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:04:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:04:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:04:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 23:04:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:04:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-22 23:04:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:04:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:04:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:04:53,313 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:04:53,504 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:04:53,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:04:53,754 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:04:53,859 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:04:53,859 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:04:53,862 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-22 23:04:53,863 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-22 23:04:53,870 INFO L158 Benchmark]: Toolchain (without parser) took 1556.31ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 47.9MB in the end (delta: 8.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-22 23:04:53,872 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:04:53,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.95ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 66.2MB in the end (delta: -10.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-11-22 23:04:53,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.11ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 64.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:04:53,876 INFO L158 Benchmark]: Boogie Preprocessor took 42.11ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 62.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:04:53,878 INFO L158 Benchmark]: RCFGBuilder took 685.77ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 47.9MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:04:53,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.95ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 66.2MB in the end (delta: -10.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.11ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 64.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.11ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 62.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.77ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 47.9MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:04:53,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1416c9c1-cf6a-412a-9542-1f05f25c0c4d/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?