./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB --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 1970040d75e8a23bfd12381ec777fc53527d9188 .................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB --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 1970040d75e8a23bfd12381ec777fc53527d9188 ................................................................................................................................................................................................................... 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? --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 09:57:40,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 09:57:40,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 09:57:40,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 09:57:40,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 09:57:40,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 09:57:40,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 09:57:40,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 09:57:40,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 09:57:40,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 09:57:40,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 09:57:40,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 09:57:40,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 09:57:40,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 09:57:40,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 09:57:40,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 09:57:40,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 09:57:40,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 09:57:40,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 09:57:40,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 09:57:40,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 09:57:40,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 09:57:40,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 09:57:40,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 09:57:40,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 09:57:40,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 09:57:40,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 09:57:40,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 09:57:40,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 09:57:40,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 09:57:40,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 09:57:40,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 09:57:40,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 09:57:40,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 09:57:40,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 09:57:40,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 09:57:40,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 09:57:40,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 09:57:40,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 09:57:40,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 09:57:40,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 09:57:40,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 09:57:40,573 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 09:57:40,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 09:57:40,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 09:57:40,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 09:57:40,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 09:57:40,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 09:57:40,582 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 09:57:40,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 09:57:40,583 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 09:57:40,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 09:57:40,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 09:57:40,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 09:57:40,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 09:57:40,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 09:57:40,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 09:57:40,585 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 09:57:40,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 09:57:40,586 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 09:57:40,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 09:57:40,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 09:57:40,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 09:57:40,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 09:57:40,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 09:57:40,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 09:57:40,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 09:57:40,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 09:57:40,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 09:57:40,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 09:57:40,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 09:57:40,589 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 09:57:40,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 09:57:40,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 09:57:40,590 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 09:57:40,590 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 09:57:40,590 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_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970040d75e8a23bfd12381ec777fc53527d9188 [2021-10-16 09:57:40,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 09:57:40,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 09:57:40,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 09:57:40,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 09:57:40,922 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 09:57:40,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-16 09:57:41,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data/245b4f64e/6bfa402107574fb3be43f8e153b6e6c9/FLAG96828ce19 [2021-10-16 09:57:41,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 09:57:41,542 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-16 09:57:41,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data/245b4f64e/6bfa402107574fb3be43f8e153b6e6c9/FLAG96828ce19 [2021-10-16 09:57:41,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data/245b4f64e/6bfa402107574fb3be43f8e153b6e6c9 [2021-10-16 09:57:41,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 09:57:41,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 09:57:41,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 09:57:41,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 09:57:41,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 09:57:41,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:57:41" (1/1) ... [2021-10-16 09:57:41,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c213531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:41, skipping insertion in model container [2021-10-16 09:57:41,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:57:41" (1/1) ... [2021-10-16 09:57:41,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 09:57:41,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 09:57:42,146 WARN L228 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_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-16 09:57:42,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 09:57:42,170 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 09:57:42,209 WARN L228 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_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-16 09:57:42,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 09:57:42,232 INFO L208 MainTranslator]: Completed translation [2021-10-16 09:57:42,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42 WrapperNode [2021-10-16 09:57:42,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 09:57:42,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 09:57:42,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 09:57:42,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 09:57:42,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 09:57:42,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 09:57:42,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 09:57:42,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 09:57:42,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 09:57:42,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 09:57:42,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 09:57:42,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 09:57:42,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:42" (1/1) ... [2021-10-16 09:57:42,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 09:57:42,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/z3 [2021-10-16 09:57:42,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 09:57:42,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 09:57:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 09:57:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 09:57:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 09:57:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 09:57:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 09:57:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 09:57:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 09:57:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 09:57:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 09:57:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-16 09:57:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-16 09:57:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 09:57:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-16 09:57:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-16 09:57:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 09:57:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 09:57:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 09:57:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 09:57:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 09:57:42,425 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 09:57:43,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 09:57:43,045 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-16 09:57:43,046 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-16 09:57:43,046 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-16 09:57:43,047 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:302) 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) [2021-10-16 09:57:43,051 INFO L168 Benchmark]: Toolchain (without parser) took 1147.67 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 48.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:43,064 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 68.6 MB in the beginning and 68.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 09:57:43,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.19 ms. Allocated memory is still 98.6 MB. Free memory was 63.2 MB in the beginning and 72.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:43,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.65 ms. Allocated memory is still 98.6 MB. Free memory was 72.2 MB in the beginning and 70.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:43,067 INFO L168 Benchmark]: Boogie Preprocessor took 45.16 ms. Allocated memory is still 98.6 MB. Free memory was 70.1 MB in the beginning and 68.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:43,068 INFO L168 Benchmark]: RCFGBuilder took 715.29 ms. Allocated memory is still 98.6 MB. Free memory was 68.0 MB in the beginning and 48.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:43,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 68.6 MB in the beginning and 68.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 326.19 ms. Allocated memory is still 98.6 MB. Free memory was 63.2 MB in the beginning and 72.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.65 ms. Allocated memory is still 98.6 MB. Free memory was 72.2 MB in the beginning and 70.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.16 ms. Allocated memory is still 98.6 MB. Free memory was 70.1 MB in the beginning and 68.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 715.29 ms. Allocated memory is still 98.6 MB. Free memory was 68.0 MB in the beginning and 48.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 09:57:43,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 09:57:45,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 09:57:45,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 09:57:45,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 09:57:45,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 09:57:45,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 09:57:45,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 09:57:45,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 09:57:45,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 09:57:45,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 09:57:45,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 09:57:45,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 09:57:45,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 09:57:45,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 09:57:45,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 09:57:45,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 09:57:45,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 09:57:45,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 09:57:45,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 09:57:45,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 09:57:45,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 09:57:45,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 09:57:45,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 09:57:45,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 09:57:45,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 09:57:45,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 09:57:45,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 09:57:45,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 09:57:45,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 09:57:45,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 09:57:45,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 09:57:45,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 09:57:45,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 09:57:45,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 09:57:45,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 09:57:45,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 09:57:45,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 09:57:45,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 09:57:45,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 09:57:45,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 09:57:45,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 09:57:45,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-16 09:57:45,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 09:57:45,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 09:57:45,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 09:57:45,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 09:57:45,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 09:57:45,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 09:57:45,759 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 09:57:45,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 09:57:45,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 09:57:45,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 09:57:45,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 09:57:45,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 09:57:45,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 09:57:45,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 09:57:45,761 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 09:57:45,761 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 09:57:45,762 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 09:57:45,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 09:57:45,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 09:57:45,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 09:57:45,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 09:57:45,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 09:57:45,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 09:57:45,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 09:57:45,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 09:57:45,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 09:57:45,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 09:57:45,764 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-16 09:57:45,764 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 09:57:45,764 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 09:57:45,765 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 09:57:45,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 09:57:45,765 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 09:57:45,765 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 09:57:45,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 09:57:45,766 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_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970040d75e8a23bfd12381ec777fc53527d9188 [2021-10-16 09:57:46,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 09:57:46,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 09:57:46,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 09:57:46,168 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 09:57:46,169 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 09:57:46,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-16 09:57:46,249 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data/c42b089de/b284ed603e864f50814f4a3152f1fa27/FLAG2aa005572 [2021-10-16 09:57:46,773 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 09:57:46,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-16 09:57:46,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data/c42b089de/b284ed603e864f50814f4a3152f1fa27/FLAG2aa005572 [2021-10-16 09:57:47,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/data/c42b089de/b284ed603e864f50814f4a3152f1fa27 [2021-10-16 09:57:47,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 09:57:47,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 09:57:47,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 09:57:47,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 09:57:47,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 09:57:47,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce6b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47, skipping insertion in model container [2021-10-16 09:57:47,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 09:57:47,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 09:57:47,374 WARN L228 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_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-16 09:57:47,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 09:57:47,395 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 09:57:47,462 WARN L228 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_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-16 09:57:47,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 09:57:47,483 INFO L208 MainTranslator]: Completed translation [2021-10-16 09:57:47,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47 WrapperNode [2021-10-16 09:57:47,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 09:57:47,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 09:57:47,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 09:57:47,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 09:57:47,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 09:57:47,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 09:57:47,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 09:57:47,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 09:57:47,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 09:57:47,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 09:57:47,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 09:57:47,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 09:57:47,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:47" (1/1) ... [2021-10-16 09:57:47,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 09:57:47,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/z3 [2021-10-16 09:57:47,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 09:57:47,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 09:57:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 09:57:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 09:57:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 09:57:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 09:57:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 09:57:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 09:57:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 09:57:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 09:57:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 09:57:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-16 09:57:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-16 09:57:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-16 09:57:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-16 09:57:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 09:57:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 09:57:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 09:57:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 09:57:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 09:57:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 09:57:47,668 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 09:57:48,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 09:57:48,276 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-16 09:57:48,277 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-16 09:57:48,277 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-16 09:57:48,278 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:302) 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) [2021-10-16 09:57:48,282 INFO L168 Benchmark]: Toolchain (without parser) took 1181.36 ms. Allocated memory is still 71.3 MB. Free memory was 52.7 MB in the beginning and 51.9 MB in the end (delta: 773.9 kB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:48,283 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 71.3 MB. Free memory was 51.3 MB in the beginning and 51.2 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 09:57:48,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.76 ms. Allocated memory is still 71.3 MB. Free memory was 52.5 MB in the beginning and 52.8 MB in the end (delta: -241.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:48,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.26 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 50.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:48,285 INFO L168 Benchmark]: Boogie Preprocessor took 39.56 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 48.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:48,286 INFO L168 Benchmark]: RCFGBuilder took 708.19 ms. Allocated memory is still 71.3 MB. Free memory was 48.4 MB in the beginning and 51.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:48,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 71.3 MB. Free memory was 51.3 MB in the beginning and 51.2 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 381.76 ms. Allocated memory is still 71.3 MB. Free memory was 52.5 MB in the beginning and 52.8 MB in the end (delta: -241.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.26 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 50.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.56 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 48.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 708.19 ms. Allocated memory is still 71.3 MB. Free memory was 48.4 MB in the beginning and 51.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 09:57:48,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d03a7a57-99e5-47bf-8dbd-e79c401c4a9e/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...