./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/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_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/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_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA --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 ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:03:40,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:03:40,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:03:40,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:03:40,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:03:40,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:03:40,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:03:40,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:03:40,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:03:40,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:03:40,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:03:40,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:03:40,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:03:40,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:03:40,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:03:40,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:03:40,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:03:40,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:03:40,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:03:40,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:03:40,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:03:40,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:03:40,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:03:40,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:03:40,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:03:40,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:03:40,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:03:40,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:03:40,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:03:40,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:03:40,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:03:40,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:03:40,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:03:40,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:03:40,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:03:40,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:03:40,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:03:40,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:03:40,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:03:40,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:03:40,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:03:40,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-11-22 23:03:40,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:03:40,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:03:40,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:03:40,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:03:40,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:03:40,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:03:40,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:03:40,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:03:40,541 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:03:40,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:03:40,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:03:40,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:03:40,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:03:40,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:03:40,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:03:40,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:03:40,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:03:40,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:03:40,543 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-22 23:03:40,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:03:40,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:03:40,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:03:40,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:03:40,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:03:40,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:03:40,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:03:40,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:03:40,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:40,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:03:40,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:03:40,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:03:40,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:03:40,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:03:40,554 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:03:40,554 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:03:40,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:03:40,555 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:03:40,555 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:03:40,556 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_f32ed051-aab8-49e1-9682-8ddb8725b178/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-22 23:03:40,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:03:40,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:03:40,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:03:40,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:03:40,868 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:03:40,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-22 23:03:40,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data/b6a67ca2a/b4491521de9f4174a6f067e640fa013a/FLAG9f5745c17 [2021-11-22 23:03:41,476 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:03:41,476 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-22 23:03:41,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data/b6a67ca2a/b4491521de9f4174a6f067e640fa013a/FLAG9f5745c17 [2021-11-22 23:03:41,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data/b6a67ca2a/b4491521de9f4174a6f067e640fa013a [2021-11-22 23:03:41,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:03:41,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:03:41,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:41,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:03:41,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:03:41,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:41" (1/1) ... [2021-11-22 23:03:41,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fcde12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:41, skipping insertion in model container [2021-11-22 23:03:41,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:41" (1/1) ... [2021-11-22 23:03:41,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:03:41,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:03:42,076 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 23:03:42,240 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_f32ed051-aab8-49e1-9682-8ddb8725b178/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-22 23:03:42,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:42,249 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:03:42,264 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 23:03:42,320 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_f32ed051-aab8-49e1-9682-8ddb8725b178/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-22 23:03:42,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:42,366 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:03:42,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42 WrapperNode [2021-11-22 23:03:42,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:42,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:42,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:03:42,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:03:42,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,430 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2021-11-22 23:03:42,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:42,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:03:42,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:03:42,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:03:42,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:03:42,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:03:42,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:03:42,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:03:42,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:42,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:42,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:42,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 23:03:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:03:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-22 23:03:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-22 23:03:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:03:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:03:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:03:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:03:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:03:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:03:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:03:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:03:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:03:42,557 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 23:03:42,655 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:03:42,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:03:42,920 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:03:43,207 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:03:43,208 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:03:43,208 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2021-11-22 23:03:43,209 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 23:03:43,214 INFO L158 Benchmark]: Toolchain (without parser) took 1449.28ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 83.3MB in the beginning and 105.4MB in the end (delta: -22.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-11-22 23:03:43,214 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:03:43,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.02ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 76.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:03:43,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.41ms. Allocated memory is still 113.2MB. Free memory was 76.2MB in the beginning and 73.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:03:43,217 INFO L158 Benchmark]: Boogie Preprocessor took 37.78ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:03:43,218 INFO L158 Benchmark]: RCFGBuilder took 742.35ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 71.7MB in the beginning and 105.4MB in the end (delta: -33.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-22 23:03:43,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.02ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 76.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.41ms. Allocated memory is still 113.2MB. Free memory was 76.2MB in the beginning and 73.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.78ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 742.35ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 71.7MB in the beginning and 105.4MB in the end (delta: -33.7MB). Peak memory consumption was 26.8MB. 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 23:03:43,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/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_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/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_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/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_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA --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 ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:03:45,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:03:45,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:03:45,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:03:45,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:03:45,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:03:45,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:03:45,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:03:45,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:03:45,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:03:45,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:03:45,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:03:45,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:03:45,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:03:45,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:03:45,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:03:45,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:03:45,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:03:45,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:03:45,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:03:45,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:03:45,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:03:45,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:03:45,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:03:45,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:03:45,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:03:45,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:03:45,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:03:45,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:03:45,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:03:45,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:03:45,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:03:45,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:03:45,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:03:45,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:03:45,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:03:45,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:03:45,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:03:45,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:03:45,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:03:45,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:03:45,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2021-11-22 23:03:45,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:03:45,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:03:45,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:03:45,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:03:45,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:03:45,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:03:45,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:03:45,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:03:45,820 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:03:45,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:03:45,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:03:45,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:03:45,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:03:45,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:03:45,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:03:45,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:03:45,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:03:45,823 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-22 23:03:45,823 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:03:45,823 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:03:45,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:03:45,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:03:45,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:03:45,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:03:45,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:03:45,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:03:45,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:03:45,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:45,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:03:45,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:03:45,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:03:45,826 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 23:03:45,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:03:45,827 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:03:45,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:03:45,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:03:45,828 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:03:45,828 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:03:45,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:03:45,829 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_f32ed051-aab8-49e1-9682-8ddb8725b178/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-22 23:03:46,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:03:46,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:03:46,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:03:46,190 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:03:46,190 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:03:46,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-22 23:03:46,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data/c0f0d33e6/ae225784ccaf47a083c9a04c956a4007/FLAGbfaa5b278 [2021-11-22 23:03:46,778 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:03:46,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-22 23:03:46,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data/c0f0d33e6/ae225784ccaf47a083c9a04c956a4007/FLAGbfaa5b278 [2021-11-22 23:03:47,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/data/c0f0d33e6/ae225784ccaf47a083c9a04c956a4007 [2021-11-22 23:03:47,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:03:47,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:03:47,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:47,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:03:47,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:03:47,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56eaf23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47, skipping insertion in model container [2021-11-22 23:03:47,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:03:47,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:03:47,424 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 23:03:47,583 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_f32ed051-aab8-49e1-9682-8ddb8725b178/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-22 23:03:47,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:47,615 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:03:47,649 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 23:03:47,705 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_f32ed051-aab8-49e1-9682-8ddb8725b178/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-22 23:03:47,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:47,764 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:03:47,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47 WrapperNode [2021-11-22 23:03:47,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:47,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:47,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:03:47,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:03:47,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,843 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2021-11-22 23:03:47,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:47,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:03:47,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:03:47,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:03:47,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:03:47,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:03:47,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:03:47,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:03:47,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:47" (1/1) ... [2021-11-22 23:03:47,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:47,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:47,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:47,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 23:03:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 23:03:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-22 23:03:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-22 23:03:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:03:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:03:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:03:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:03:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 23:03:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:03:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-22 23:03:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:03:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:03:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:03:47,981 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 23:03:48,131 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:03:48,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:03:48,519 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:03:48,767 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:03:48,767 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:03:48,769 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2021-11-22 23:03:48,770 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 23:03:48,777 INFO L158 Benchmark]: Toolchain (without parser) took 1669.29ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.0MB in the beginning and 41.6MB in the end (delta: -6.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-22 23:03:48,777 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:03:48,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.41ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 30.0MB in the end (delta: 4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:03:48,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.74ms. Allocated memory is still 58.7MB. Free memory was 29.8MB in the beginning and 27.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:03:48,781 INFO L158 Benchmark]: Boogie Preprocessor took 56.30ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.3MB in the beginning and 52.7MB in the end (delta: -25.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-22 23:03:48,782 INFO L158 Benchmark]: RCFGBuilder took 872.66ms. Allocated memory is still 71.3MB. Free memory was 52.7MB in the beginning and 41.6MB in the end (delta: 11.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-22 23:03:48,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.41ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 30.0MB in the end (delta: 4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.74ms. Allocated memory is still 58.7MB. Free memory was 29.8MB in the beginning and 27.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.30ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.3MB in the beginning and 52.7MB in the end (delta: -25.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 872.66ms. Allocated memory is still 71.3MB. Free memory was 52.7MB in the beginning and 41.6MB in the end (delta: 11.1MB). Peak memory consumption was 22.9MB. 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 23:03:48,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32ed051-aab8-49e1-9682-8ddb8725b178/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?