./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD --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 619dfac7598315ab2ce89fe3c0f69ecb425d8190977fc66970bd82d2c89dd2a2 .................................................................................................................................................................................................................. 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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD --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 619dfac7598315ab2ce89fe3c0f69ecb425d8190977fc66970bd82d2c89dd2a2 ................................................................................................................................................................................................................... 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-e943c26 [2021-10-20 02:22:54,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:22:54,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:22:54,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:22:54,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:22:54,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:22:54,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:22:54,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:22:54,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:22:54,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:22:54,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:22:54,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:22:54,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:22:54,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:22:54,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:22:54,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:22:54,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:22:54,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:22:54,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:22:54,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:22:54,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:22:54,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:22:54,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:22:54,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:22:54,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:22:54,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:22:54,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:22:54,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:22:54,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:22:54,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:22:54,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:22:54,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:22:54,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:22:54,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:22:54,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:22:54,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:22:54,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:22:54,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:22:54,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:22:54,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:22:54,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:22:54,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-20 02:22:54,550 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:22:54,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:22:54,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:22:54,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:22:54,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:22:54,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:22:54,553 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:22:54,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:22:54,553 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:22:54,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 02:22:54,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:22:54,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:22:54,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:22:54,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:22:54,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:22:54,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:22:54,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:22:54,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:22:54,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:22:54,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:22:54,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:22:54,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-20 02:22:54,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:22:54,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:22:54,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:22:54,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:22:54,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:22:54,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-20 02:22:54,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 02:22:54,557 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:22:54,558 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:22:54,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:22:54,558 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:22:54,558 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:22:54,558 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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 619dfac7598315ab2ce89fe3c0f69ecb425d8190977fc66970bd82d2c89dd2a2 [2021-10-20 02:22:54,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:22:54,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:22:54,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:22:54,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:22:54,833 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:22:54,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-20 02:22:54,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data/cbe89c222/a86f7af0da414fe4ab515a5bbe3c451f/FLAG20fb66459 [2021-10-20 02:22:55,450 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:22:55,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-20 02:22:55,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data/cbe89c222/a86f7af0da414fe4ab515a5bbe3c451f/FLAG20fb66459 [2021-10-20 02:22:55,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data/cbe89c222/a86f7af0da414fe4ab515a5bbe3c451f [2021-10-20 02:22:55,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:22:55,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:22:55,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:22:55,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:22:55,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:22:55,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:55" (1/1) ... [2021-10-20 02:22:55,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d85ce0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:55, skipping insertion in model container [2021-10-20 02:22:55,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:55" (1/1) ... [2021-10-20 02:22:55,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:22:55,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:22:56,101 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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-20 02:22:56,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 02:22:56,132 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 02:22:56,165 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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-20 02:22:56,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 02:22:56,183 INFO L208 MainTranslator]: Completed translation [2021-10-20 02:22:56,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56 WrapperNode [2021-10-20 02:22:56,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:22:56,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 02:22:56,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 02:22:56,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 02:22:56,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 02:22:56,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 02:22:56,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 02:22:56,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 02:22:56,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 02:22:56,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 02:22:56,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 02:22:56,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 02:22:56,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:22:56,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:22:56,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 02:22:56,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 02:22:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 02:22:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-20 02:22:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-20 02:22:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-20 02:22:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-20 02:22:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-20 02:22:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-20 02:22:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-20 02:22:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-20 02:22:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-20 02:22:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-20 02:22:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 02:22:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-20 02:22:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-20 02:22:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-20 02:22:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-20 02:22:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 02:22:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 02:22:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-20 02:22:56,428 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-20 02:22:57,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 02:22:57,110 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-20 02:22:57,111 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-20 02:22:57,112 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-20 02:22:57,112 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) [2021-10-20 02:22:57,118 INFO L168 Benchmark]: Toolchain (without parser) took 1331.97 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 42.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-20 02:22:57,120 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 62.1 MB in the beginning and 62.1 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:22:57,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.25 ms. Allocated memory is still 92.3 MB. Free memory was 57.5 MB in the beginning and 66.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 02:22:57,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.97 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 63.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 02:22:57,127 INFO L168 Benchmark]: Boogie Preprocessor took 65.88 ms. Allocated memory is still 92.3 MB. Free memory was 63.9 MB in the beginning and 62.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 02:22:57,128 INFO L168 Benchmark]: RCFGBuilder took 782.18 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 42.2 MB in the end (delta: 19.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-20 02:22:57,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 62.1 MB in the beginning and 62.1 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.25 ms. Allocated memory is still 92.3 MB. Free memory was 57.5 MB in the beginning and 66.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.97 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 63.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.88 ms. Allocated memory is still 92.3 MB. Free memory was 63.9 MB in the beginning and 62.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 782.18 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 42.2 MB in the end (delta: 19.6 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. [2021-10-20 02:22:57,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/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-e943c26 [2021-10-20 02:22:59,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:22:59,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:22:59,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:22:59,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:22:59,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:22:59,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:22:59,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:22:59,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:22:59,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:22:59,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:22:59,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:22:59,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:22:59,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:22:59,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:22:59,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:22:59,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:22:59,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:22:59,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:22:59,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:22:59,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:22:59,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:22:59,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:22:59,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:22:59,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:22:59,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:22:59,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:22:59,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:22:59,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:22:59,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:22:59,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:22:59,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:22:59,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:22:59,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:22:59,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:22:59,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:22:59,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:22:59,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:22:59,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:22:59,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:22:59,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:22:59,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-20 02:23:00,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:23:00,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:23:00,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:23:00,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:23:00,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:23:00,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:23:00,044 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:23:00,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:23:00,044 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:23:00,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:23:00,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:23:00,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:23:00,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:23:00,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:23:00,046 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 02:23:00,046 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 02:23:00,047 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:23:00,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:23:00,047 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:23:00,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:23:00,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:23:00,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:23:00,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:23:00,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:23:00,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:23:00,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:23:00,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:23:00,050 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-20 02:23:00,050 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 02:23:00,050 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:23:00,050 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:23:00,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:23:00,051 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:23:00,051 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:23:00,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 02:23:00,052 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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 619dfac7598315ab2ce89fe3c0f69ecb425d8190977fc66970bd82d2c89dd2a2 [2021-10-20 02:23:00,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:23:00,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:23:00,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:23:00,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:23:00,514 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:23:00,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-20 02:23:00,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data/3900e122c/aff4d4296e794c9b908ed9758ffeb500/FLAGa3a3a7b5b [2021-10-20 02:23:01,222 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:23:01,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-20 02:23:01,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data/3900e122c/aff4d4296e794c9b908ed9758ffeb500/FLAGa3a3a7b5b [2021-10-20 02:23:01,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/data/3900e122c/aff4d4296e794c9b908ed9758ffeb500 [2021-10-20 02:23:01,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:23:01,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:23:01,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:01,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:23:01,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:23:01,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:01" (1/1) ... [2021-10-20 02:23:01,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6152a5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:01, skipping insertion in model container [2021-10-20 02:23:01,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:01" (1/1) ... [2021-10-20 02:23:01,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:23:01,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:23:01,863 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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-20 02:23:01,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 02:23:01,910 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 02:23:01,993 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_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-20 02:23:02,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 02:23:02,044 INFO L208 MainTranslator]: Completed translation [2021-10-20 02:23:02,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02 WrapperNode [2021-10-20 02:23:02,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:02,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 02:23:02,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 02:23:02,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 02:23:02,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 02:23:02,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 02:23:02,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 02:23:02,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 02:23:02,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 02:23:02,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 02:23:02,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 02:23:02,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 02:23:02,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:02" (1/1) ... [2021-10-20 02:23:02,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:23:02,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:23:02,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 02:23:02,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 02:23:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 02:23:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 02:23:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-20 02:23:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-20 02:23:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-20 02:23:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-20 02:23:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-20 02:23:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-20 02:23:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-20 02:23:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-20 02:23:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-20 02:23:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-20 02:23:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-20 02:23:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-20 02:23:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-20 02:23:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 02:23:02,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 02:23:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-20 02:23:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-20 02:23:02,332 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-20 02:23:03,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 02:23:03,013 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-20 02:23:03,014 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-20 02:23:03,014 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-20 02:23:03,015 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) [2021-10-20 02:23:03,019 INFO L168 Benchmark]: Toolchain (without parser) took 1456.14 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 26.8 MB in the beginning and 45.1 MB in the end (delta: -18.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:03,020 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:03,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.80 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 26.6 MB in the beginning and 52.8 MB in the end (delta: -26.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:03,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.19 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. [2021-10-20 02:23:03,032 INFO L168 Benchmark]: Boogie Preprocessor took 73.20 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 48.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:03,032 INFO L168 Benchmark]: RCFGBuilder took 812.09 ms. Allocated memory is still 71.3 MB. Free memory was 48.5 MB in the beginning and 45.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:03,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 480.80 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 26.6 MB in the beginning and 52.8 MB in the end (delta: -26.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.19 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 73.20 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 48.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 812.09 ms. Allocated memory is still 71.3 MB. Free memory was 48.5 MB in the beginning and 45.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 17.3 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. [2021-10-20 02:23:03,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881784f3-b283-4e70-a9aa-3b76f2b4b3c6/bin/ugemcutter-S3k5n7jwrD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...