./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r --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-0f8a17c [2021-11-19 05:43:36,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:43:36,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:43:37,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:43:37,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:43:37,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:43:37,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:43:37,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:43:37,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:43:37,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:43:37,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:43:37,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:43:37,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:43:37,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:43:37,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:43:37,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:43:37,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:43:37,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:43:37,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:43:37,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:43:37,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:43:37,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:43:37,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:43:37,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:43:37,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:43:37,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:43:37,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:43:37,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:43:37,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:43:37,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:43:37,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:43:37,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:43:37,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:43:37,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:43:37,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:43:37,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:43:37,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:43:37,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:43:37,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:43:37,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:43:37,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:43:37,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:43:37,191 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:43:37,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:43:37,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:43:37,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:43:37,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:43:37,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:43:37,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:43:37,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:43:37,201 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:43:37,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:43:37,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:43:37,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:43:37,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:43:37,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:43:37,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:43:37,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:43:37,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:43:37,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:43:37,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:43:37,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:43:37,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:43:37,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:43:37,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:43:37,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:43:37,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:43:37,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:37,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:43:37,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:43:37,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:43:37,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:43:37,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:43:37,209 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:43:37,209 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:43:37,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:43:37,209 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:43:37,210 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:43:37,210 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_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-19 05:43:37,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:43:37,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:43:37,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:43:37,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:43:37,586 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:43:37,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-19 05:43:37,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data/7cfa4c8ee/fba00c71a5574c4a9370a6f055254bcc/FLAGd208c9826 [2021-11-19 05:43:38,284 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:43:38,285 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-19 05:43:38,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data/7cfa4c8ee/fba00c71a5574c4a9370a6f055254bcc/FLAGd208c9826 [2021-11-19 05:43:38,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data/7cfa4c8ee/fba00c71a5574c4a9370a6f055254bcc [2021-11-19 05:43:38,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:43:38,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:43:38,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:38,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:43:38,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:43:38,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:38" (1/1) ... [2021-11-19 05:43:38,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7531ca8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:38, skipping insertion in model container [2021-11-19 05:43:38,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:38" (1/1) ... [2021-11-19 05:43:38,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:43:38,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:43:38,867 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 05:43:39,018 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_cf282460-eef0-428c-bb5f-3528b690d355/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-19 05:43:39,025 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:43:39,034 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:43:39,051 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 05:43:39,105 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_cf282460-eef0-428c-bb5f-3528b690d355/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-19 05:43:39,107 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:43:39,167 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:43:39,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39 WrapperNode [2021-11-19 05:43:39,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:39,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:43:39,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:43:39,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:43:39,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,252 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2021-11-19 05:43:39,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:43:39,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:43:39,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:43:39,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:43:39,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:43:39,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:43:39,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:43:39,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:43:39,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:39" (1/1) ... [2021-11-19 05:43:39,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:39,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:43:39,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:43:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:43:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-19 05:43:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-19 05:43:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:43:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:43:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:43:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:43:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:43:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:43:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:43:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:43:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:43:39,406 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:43:39,509 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:43:39,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:43:39,774 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:43:39,836 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:43:39,836 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:43:39,837 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-19 05:43:39,838 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) [2021-11-19 05:43:39,843 INFO L158 Benchmark]: Toolchain (without parser) took 1262.26ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.6MB in the beginning and 55.1MB in the end (delta: -2.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-19 05:43:39,844 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:39,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.50ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.3MB in the beginning and 73.0MB in the end (delta: -20.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:43:39,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.85ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 71.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:43:39,846 INFO L158 Benchmark]: Boogie Preprocessor took 53.07ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 69.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:43:39,847 INFO L158 Benchmark]: RCFGBuilder took 533.91ms. Allocated memory is still 109.1MB. Free memory was 69.7MB in the beginning and 55.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 05:43:39,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.50ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.3MB in the beginning and 73.0MB in the end (delta: -20.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.85ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 71.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.07ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 69.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.91ms. Allocated memory is still 109.1MB. Free memory was 69.7MB in the beginning and 55.1MB in the end (delta: 14.6MB). 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. [2021-11-19 05:43:39,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/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_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r --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-0f8a17c [2021-11-19 05:43:42,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:43:42,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:43:42,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:43:42,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:43:42,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:43:42,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:43:42,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:43:42,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:43:42,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:43:42,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:43:42,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:43:42,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:43:42,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:43:42,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:43:42,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:43:42,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:43:42,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:43:42,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:43:42,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:43:42,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:43:42,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:43:42,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:43:42,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:43:42,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:43:42,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:43:42,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:43:42,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:43:42,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:43:42,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:43:42,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:43:42,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:43:42,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:43:42,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:43:42,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:43:42,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:43:42,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:43:42,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:43:42,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:43:42,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:43:42,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:43:42,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-19 05:43:42,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:43:42,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:43:42,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:43:42,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:43:42,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:43:42,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:43:42,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:43:42,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:43:42,726 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:43:42,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:43:42,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:43:42,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:43:42,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:43:42,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:43:42,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:43:42,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:43:42,730 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:43:42,730 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:43:42,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:43:42,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:43:42,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:43:42,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:43:42,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:43:42,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:43:42,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:43:42,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:42,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:43:42,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:43:42,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:43:42,733 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:43:42,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:43:42,734 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:43:42,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:43:42,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:43:42,735 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:43:42,755 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:43:42,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:43:42,756 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_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-19 05:43:43,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:43:43,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:43:43,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:43:43,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:43:43,206 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:43:43,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-19 05:43:43,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data/0aad56b38/08e602f3964b4d7caf3327066aaeade5/FLAG153a5f09f [2021-11-19 05:43:43,924 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:43:43,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-19 05:43:43,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data/0aad56b38/08e602f3964b4d7caf3327066aaeade5/FLAG153a5f09f [2021-11-19 05:43:44,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/data/0aad56b38/08e602f3964b4d7caf3327066aaeade5 [2021-11-19 05:43:44,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:43:44,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:43:44,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:44,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:43:44,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:43:44,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4e2745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44, skipping insertion in model container [2021-11-19 05:43:44,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:43:44,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:43:44,536 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 05:43:44,693 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_cf282460-eef0-428c-bb5f-3528b690d355/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-19 05:43:44,702 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:43:44,719 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:43:44,750 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 05:43:44,788 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_cf282460-eef0-428c-bb5f-3528b690d355/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-19 05:43:44,800 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:43:44,860 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:43:44,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44 WrapperNode [2021-11-19 05:43:44,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:44,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:43:44,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:43:44,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:43:44,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,937 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-11-19 05:43:44,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:43:44,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:43:44,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:43:44,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:43:44,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:45,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:43:45,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:43:45,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:43:45,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:43:45,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:45,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:45,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:45,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:43:45,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:43:45,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 05:43:45,090 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-19 05:43:45,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-19 05:43:45,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:43:45,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:43:45,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:43:45,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:43:45,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 05:43:45,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 05:43:45,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 05:43:45,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:43:45,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:43:45,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:43:45,094 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:43:45,231 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:43:45,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:43:45,546 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:43:45,614 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:43:45,614 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:43:45,615 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-19 05:43:45,616 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) [2021-11-19 05:43:45,623 INFO L158 Benchmark]: Toolchain (without parser) took 1423.89ms. Allocated memory is still 77.6MB. Free memory was 41.3MB in the beginning and 52.3MB in the end (delta: -11.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-19 05:43:45,625 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:45,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.97ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 44.0MB in the end (delta: -2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 05:43:45,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.65ms. Allocated memory is still 77.6MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:43:45,629 INFO L158 Benchmark]: Boogie Preprocessor took 69.58ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:43:45,630 INFO L158 Benchmark]: RCFGBuilder took 611.23ms. Allocated memory is still 77.6MB. Free memory was 40.1MB in the beginning and 52.3MB in the end (delta: -12.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-19 05:43:45,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.97ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 44.0MB in the end (delta: -2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.65ms. Allocated memory is still 77.6MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.58ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.23ms. Allocated memory is still 77.6MB. Free memory was 40.1MB in the beginning and 52.3MB in the end (delta: -12.1MB). Peak memory consumption was 12.9MB. 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. [2021-11-19 05:43:45,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf282460-eef0-428c-bb5f-3528b690d355/bin/ugemcutter-Ozs8LMUF8r/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?