./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_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/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_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7 --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_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/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_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7 --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 01:23:47,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:23:47,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:23:47,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:23:47,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:23:47,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:23:47,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:23:47,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:23:47,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:23:47,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:23:47,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:23:47,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:23:47,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:23:47,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:23:47,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:23:47,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:23:47,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:23:47,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:23:47,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:23:47,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:23:47,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:23:47,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:23:47,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:23:47,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:23:47,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:23:47,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:23:47,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:23:47,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:23:47,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:23:47,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:23:47,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:23:47,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:23:47,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:23:47,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:23:47,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:23:47,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:23:47,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:23:47,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:23:47,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:23:47,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:23:47,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:23:47,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:23:47,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:23:47,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:23:47,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:23:47,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:23:47,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:23:47,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:23:47,638 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:23:47,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:23:47,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:23:47,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:23:47,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:23:47,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:23:47,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:23:47,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:23:47,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:23:47,645 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:23:47,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:23:47,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:23:47,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:23:47,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:23:47,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:23:47,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:23:47,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:23:47,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:47,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:23:47,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:23:47,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:23:47,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:23:47,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:23:47,648 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:23:47,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:23:47,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:23:47,649 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:23:47,649 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:23:47,649 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_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970040d75e8a23bfd12381ec777fc53527d9188 [2021-10-16 01:23:47,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:23:47,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:23:47,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:23:47,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:23:47,933 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:23:47,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-16 01:23:48,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data/0f480b1e4/980ea46018634a788545b5d703f6ab04/FLAG5d4e27b70 [2021-10-16 01:23:48,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:23:48,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-16 01:23:48,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data/0f480b1e4/980ea46018634a788545b5d703f6ab04/FLAG5d4e27b70 [2021-10-16 01:23:48,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data/0f480b1e4/980ea46018634a788545b5d703f6ab04 [2021-10-16 01:23:48,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:23:48,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:23:48,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:48,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:23:48,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:23:48,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:48" (1/1) ... [2021-10-16 01:23:48,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd3b804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:48, skipping insertion in model container [2021-10-16 01:23:48,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:48" (1/1) ... [2021-10-16 01:23:48,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:23:48,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:23:49,113 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_3be4deab-7a4a-440f-a281-7dfebe95aed2/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-16 01:23:49,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:23:49,133 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 01:23:49,165 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_3be4deab-7a4a-440f-a281-7dfebe95aed2/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-16 01:23:49,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:23:49,185 INFO L208 MainTranslator]: Completed translation [2021-10-16 01:23:49,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49 WrapperNode [2021-10-16 01:23:49,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:49,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 01:23:49,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 01:23:49,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 01:23:49,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 01:23:49,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 01:23:49,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 01:23:49,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 01:23:49,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 01:23:49,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 01:23:49,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 01:23:49,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 01:23:49,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:49" (1/1) ... [2021-10-16 01:23:49,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:49,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:23:49,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 01:23:49,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 01:23:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 01:23:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 01:23:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 01:23:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 01:23:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 01:23:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 01:23:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 01:23:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 01:23:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 01:23:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-16 01:23:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-16 01:23:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 01:23:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-16 01:23:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-16 01:23:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 01:23:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 01:23:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 01:23:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 01:23:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 01:23:49,408 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 01:23:50,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 01:23:50,065 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-16 01:23:50,067 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-16 01:23:50,067 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-16 01:23:50,082 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 01:23:50,102 INFO L168 Benchmark]: Toolchain (without parser) took 1252.83 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 43.9 MB in the end (delta: 16.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:50,103 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 68.8 MB in the beginning and 68.7 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:23:50,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.89 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 68.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:50,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.04 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 65.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:50,107 INFO L168 Benchmark]: Boogie Preprocessor took 52.72 ms. Allocated memory is still 96.5 MB. Free memory was 65.7 MB in the beginning and 63.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:50,108 INFO L168 Benchmark]: RCFGBuilder took 804.57 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 43.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:50,113 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 96.5 MB. Free memory was 68.8 MB in the beginning and 68.7 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 336.89 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 68.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.04 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 65.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.72 ms. Allocated memory is still 96.5 MB. Free memory was 65.7 MB in the beginning and 63.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 804.57 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 43.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 18.9 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 01:23:50,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/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 01:23:52,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:23:52,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:23:52,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:23:52,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:23:52,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:23:52,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:23:52,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:23:52,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:23:52,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:23:52,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:23:52,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:23:52,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:23:52,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:23:52,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:23:52,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:23:52,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:23:52,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:23:52,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:23:52,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:23:52,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:23:52,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:23:52,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:23:52,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:23:52,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:23:52,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:23:52,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:23:52,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:23:52,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:23:52,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:23:52,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:23:52,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:23:52,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:23:52,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:23:52,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:23:52,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:23:52,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:23:52,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:23:52,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:23:52,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:23:52,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:23:52,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-16 01:23:53,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:23:53,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:23:53,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:23:53,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:23:53,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:23:53,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:23:53,015 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:23:53,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:23:53,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:23:53,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:23:53,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:23:53,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:23:53,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:23:53,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:23:53,018 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 01:23:53,019 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 01:23:53,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:23:53,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:23:53,019 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:23:53,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:23:53,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:23:53,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:23:53,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:23:53,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:53,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:23:53,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:23:53,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:23:53,022 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-16 01:23:53,022 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 01:23:53,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:23:53,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:23:53,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:23:53,023 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:23:53,023 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:23:53,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 01:23:53,023 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_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970040d75e8a23bfd12381ec777fc53527d9188 [2021-10-16 01:23:53,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:23:53,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:23:53,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:23:53,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:23:53,567 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:23:53,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-16 01:23:53,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data/29f08b4d0/c4f181d1317e4d308257d571de4609a0/FLAGce57d6482 [2021-10-16 01:23:54,196 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:23:54,197 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-16 01:23:54,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data/29f08b4d0/c4f181d1317e4d308257d571de4609a0/FLAGce57d6482 [2021-10-16 01:23:54,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/data/29f08b4d0/c4f181d1317e4d308257d571de4609a0 [2021-10-16 01:23:54,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:23:54,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:23:54,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:54,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:23:54,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:23:54,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:54,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24136d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54, skipping insertion in model container [2021-10-16 01:23:54,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:54,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:23:54,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:23:54,798 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_3be4deab-7a4a-440f-a281-7dfebe95aed2/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-16 01:23:54,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:23:54,859 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 01:23:54,933 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_3be4deab-7a4a-440f-a281-7dfebe95aed2/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-16 01:23:54,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:23:54,988 INFO L208 MainTranslator]: Completed translation [2021-10-16 01:23:54,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54 WrapperNode [2021-10-16 01:23:54,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:54,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 01:23:54,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 01:23:54,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 01:23:55,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 01:23:55,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 01:23:55,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 01:23:55,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 01:23:55,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 01:23:55,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 01:23:55,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 01:23:55,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 01:23:55,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:54" (1/1) ... [2021-10-16 01:23:55,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:55,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:23:55,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 01:23:55,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 01:23:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 01:23:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 01:23:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 01:23:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 01:23:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 01:23:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 01:23:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 01:23:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 01:23:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 01:23:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-16 01:23:55,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-16 01:23:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-16 01:23:55,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-16 01:23:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 01:23:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 01:23:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 01:23:55,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 01:23:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 01:23:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 01:23:55,279 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 01:23:56,053 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 01:23:56,053 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-16 01:23:56,054 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-16 01:23:56,055 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-16 01:23:56,055 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 01:23:56,059 INFO L168 Benchmark]: Toolchain (without parser) took 1491.40 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.7 MB in the beginning and 40.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:56,060 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:23:56,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.84 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 37.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:56,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.33 ms. Allocated memory is still 56.6 MB. Free memory was 37.2 MB in the beginning and 35.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:56,063 INFO L168 Benchmark]: Boogie Preprocessor took 88.80 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 33.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:56,074 INFO L168 Benchmark]: RCFGBuilder took 886.93 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.9 MB in the beginning and 40.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:56,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.84 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 37.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.33 ms. Allocated memory is still 56.6 MB. Free memory was 37.2 MB in the beginning and 35.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.80 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 33.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 886.93 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.9 MB in the beginning and 40.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 12.4 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 01:23:56,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be4deab-7a4a-440f-a281-7dfebe95aed2/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...