./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_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/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_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp --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_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/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_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp --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 [2021-10-24 04:39:15,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 04:39:15,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 04:39:15,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 04:39:15,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 04:39:15,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 04:39:15,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 04:39:15,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 04:39:15,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 04:39:15,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 04:39:15,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 04:39:15,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 04:39:15,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 04:39:15,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 04:39:15,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 04:39:15,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 04:39:15,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 04:39:15,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 04:39:15,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 04:39:15,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 04:39:15,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 04:39:15,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 04:39:15,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 04:39:15,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 04:39:15,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 04:39:15,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 04:39:15,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 04:39:15,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 04:39:15,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 04:39:15,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 04:39:15,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 04:39:15,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 04:39:15,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 04:39:15,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 04:39:15,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 04:39:15,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 04:39:15,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 04:39:15,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 04:39:15,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 04:39:15,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 04:39:15,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 04:39:15,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-24 04:39:15,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 04:39:15,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 04:39:15,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 04:39:15,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 04:39:15,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 04:39:15,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 04:39:15,369 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 04:39:15,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 04:39:15,369 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 04:39:15,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 04:39:15,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 04:39:15,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 04:39:15,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 04:39:15,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 04:39:15,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 04:39:15,370 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 04:39:15,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 04:39:15,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 04:39:15,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 04:39:15,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 04:39:15,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 04:39:15,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-24 04:39:15,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 04:39:15,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:15,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 04:39:15,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 04:39:15,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 04:39:15,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-24 04:39:15,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 04:39:15,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 04:39:15,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 04:39:15,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 04:39:15,374 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 04:39:15,374 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 04:39:15,374 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_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 619dfac7598315ab2ce89fe3c0f69ecb425d8190977fc66970bd82d2c89dd2a2 [2021-10-24 04:39:15,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 04:39:15,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 04:39:15,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 04:39:15,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 04:39:15,724 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 04:39:15,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-24 04:39:15,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data/ef68bc367/f96ffd1edaad4ecf85f593b4197b1f64/FLAGd95a9b5c1 [2021-10-24 04:39:16,397 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 04:39:16,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-24 04:39:16,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data/ef68bc367/f96ffd1edaad4ecf85f593b4197b1f64/FLAGd95a9b5c1 [2021-10-24 04:39:16,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data/ef68bc367/f96ffd1edaad4ecf85f593b4197b1f64 [2021-10-24 04:39:16,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 04:39:16,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 04:39:16,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:16,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 04:39:16,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 04:39:16,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:16,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18404997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16, skipping insertion in model container [2021-10-24 04:39:16,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:16,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 04:39:16,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 04:39:16,999 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_347c3eff-e060-48ec-b11b-de3a71f50a8e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-24 04:39:17,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:17,017 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 04:39:17,048 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_347c3eff-e060-48ec-b11b-de3a71f50a8e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-24 04:39:17,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:17,074 INFO L208 MainTranslator]: Completed translation [2021-10-24 04:39:17,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17 WrapperNode [2021-10-24 04:39:17,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:17,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:17,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 04:39:17,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 04:39:17,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:17,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 04:39:17,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 04:39:17,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 04:39:17,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 04:39:17,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 04:39:17,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 04:39:17,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 04:39:17,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:17,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/z3 [2021-10-24 04:39:17,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 04:39:17,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 04:39:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 04:39:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 04:39:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 04:39:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-24 04:39:17,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-24 04:39:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-24 04:39:17,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-24 04:39:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-24 04:39:17,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-24 04:39:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-24 04:39:17,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-24 04:39:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 04:39:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-24 04:39:17,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-24 04:39:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 04:39:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 04:39:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 04:39:17,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 04:39:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 04:39:17,281 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 04:39:17,993 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 04:39:17,994 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-24 04:39:17,995 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-24 04:39:17,995 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-24 04:39:17,996 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) [2021-10-24 04:39:18,001 INFO L168 Benchmark]: Toolchain (without parser) took 1276.75 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 88.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,002 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 39.7 MB in the beginning and 39.6 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 04:39:18,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.23 ms. Allocated memory is still 138.4 MB. Free memory was 105.4 MB in the beginning and 112.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.04 ms. Allocated memory is still 138.4 MB. Free memory was 112.3 MB in the beginning and 110.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,005 INFO L168 Benchmark]: Boogie Preprocessor took 38.15 ms. Allocated memory is still 138.4 MB. Free memory was 110.1 MB in the beginning and 108.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,006 INFO L168 Benchmark]: RCFGBuilder took 811.57 ms. Allocated memory is still 138.4 MB. Free memory was 108.5 MB in the beginning and 88.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 39.7 MB in the beginning and 39.6 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.23 ms. Allocated memory is still 138.4 MB. Free memory was 105.4 MB in the beginning and 112.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.04 ms. Allocated memory is still 138.4 MB. Free memory was 112.3 MB in the beginning and 110.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.15 ms. Allocated memory is still 138.4 MB. Free memory was 110.1 MB in the beginning and 108.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 811.57 ms. Allocated memory is still 138.4 MB. Free memory was 108.5 MB in the beginning and 88.5 MB in the end (delta: 20.1 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. [2021-10-24 04:39:18,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/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 [2021-10-24 04:39:20,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 04:39:20,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 04:39:20,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 04:39:20,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 04:39:20,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 04:39:20,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 04:39:20,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 04:39:20,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 04:39:20,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 04:39:20,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 04:39:20,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 04:39:20,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 04:39:20,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 04:39:20,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 04:39:20,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 04:39:20,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 04:39:20,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 04:39:20,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 04:39:20,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 04:39:20,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 04:39:20,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 04:39:20,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 04:39:20,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 04:39:20,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 04:39:20,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 04:39:20,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 04:39:20,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 04:39:20,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 04:39:20,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 04:39:20,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 04:39:20,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 04:39:20,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 04:39:20,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 04:39:20,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 04:39:20,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 04:39:20,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 04:39:20,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 04:39:20,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 04:39:20,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 04:39:20,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 04:39:20,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-24 04:39:20,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 04:39:20,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 04:39:20,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 04:39:20,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 04:39:20,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 04:39:20,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 04:39:20,818 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 04:39:20,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 04:39:20,819 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 04:39:20,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 04:39:20,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 04:39:20,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 04:39:20,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 04:39:20,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 04:39:20,821 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 04:39:20,821 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 04:39:20,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 04:39:20,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 04:39:20,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 04:39:20,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 04:39:20,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 04:39:20,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 04:39:20,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 04:39:20,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:20,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 04:39:20,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 04:39:20,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 04:39:20,824 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-24 04:39:20,825 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 04:39:20,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 04:39:20,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 04:39:20,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 04:39:20,826 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 04:39:20,826 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 04:39:20,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 04:39:20,826 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_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 619dfac7598315ab2ce89fe3c0f69ecb425d8190977fc66970bd82d2c89dd2a2 [2021-10-24 04:39:21,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 04:39:21,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 04:39:21,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 04:39:21,330 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 04:39:21,344 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 04:39:21,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-24 04:39:21,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data/6918198f7/abe8410e44434be79858bf7f4e35ae60/FLAG8265fdd27 [2021-10-24 04:39:22,006 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 04:39:22,007 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-24 04:39:22,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data/6918198f7/abe8410e44434be79858bf7f4e35ae60/FLAG8265fdd27 [2021-10-24 04:39:22,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/data/6918198f7/abe8410e44434be79858bf7f4e35ae60 [2021-10-24 04:39:22,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 04:39:22,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 04:39:22,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:22,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 04:39:22,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 04:39:22,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a69a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22, skipping insertion in model container [2021-10-24 04:39:22,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 04:39:22,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 04:39:22,668 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_347c3eff-e060-48ec-b11b-de3a71f50a8e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-24 04:39:22,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:22,699 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 04:39:22,789 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_347c3eff-e060-48ec-b11b-de3a71f50a8e/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-24 04:39:22,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:22,811 INFO L208 MainTranslator]: Completed translation [2021-10-24 04:39:22,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22 WrapperNode [2021-10-24 04:39:22,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:22,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:22,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 04:39:22,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 04:39:22,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:22,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 04:39:22,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 04:39:22,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 04:39:22,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 04:39:22,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 04:39:22,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 04:39:22,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 04:39:22,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:22" (1/1) ... [2021-10-24 04:39:22,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:22,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/z3 [2021-10-24 04:39:22,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 04:39:22,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 04:39:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 04:39:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 04:39:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-24 04:39:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-24 04:39:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-24 04:39:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-24 04:39:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-24 04:39:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-24 04:39:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-24 04:39:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-24 04:39:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-24 04:39:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-24 04:39:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-24 04:39:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 04:39:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 04:39:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 04:39:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 04:39:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 04:39:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-24 04:39:23,038 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 04:39:23,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 04:39:23,751 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-24 04:39:23,752 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-24 04:39:23,753 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-24 04:39:23,754 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) [2021-10-24 04:39:23,763 INFO L168 Benchmark]: Toolchain (without parser) took 1364.13 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.1 MB in the beginning and 43.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:23,764 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 04:39:23,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.38 ms. Allocated memory is still 60.8 MB. Free memory was 37.9 MB in the beginning and 41.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:23,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.48 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 39.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:23,769 INFO L168 Benchmark]: Boogie Preprocessor took 55.63 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 37.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:23,770 INFO L168 Benchmark]: RCFGBuilder took 839.76 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.4 MB in the beginning and 43.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:23,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.38 ms. Allocated memory is still 60.8 MB. Free memory was 37.9 MB in the beginning and 41.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.48 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 39.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.63 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 37.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 839.76 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.4 MB in the beginning and 43.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-24 04:39:23,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347c3eff-e060-48ec-b11b-de3a71f50a8e/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...