./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef0694c6828fdd41a19c9b426d075f4f4dde925f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:40:54,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:40:54,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:40:54,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:40:54,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:40:54,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:40:54,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:40:54,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:40:54,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:40:54,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:40:54,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:40:54,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:40:54,691 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:40:54,692 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:40:54,692 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:40:54,693 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:40:54,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:40:54,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:40:54,695 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:40:54,697 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:40:54,697 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:40:54,698 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:40:54,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:40:54,700 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:40:54,700 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:40:54,701 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:40:54,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:40:54,702 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:40:54,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:40:54,704 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:40:54,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:40:54,705 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:40:54,705 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:40:54,705 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:40:54,706 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:40:54,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:40:54,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:40:54,717 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:40:54,717 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:40:54,718 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:40:54,718 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:40:54,719 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:40:54,719 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:40:54,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:40:54,719 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:40:54,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:40:54,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:40:54,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:40:54,720 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:40:54,720 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:40:54,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:40:54,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:40:54,721 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:40:54,721 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:40:54,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:40:54,721 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:40:54,721 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:40:54,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:40:54,722 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:40:54,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:40:54,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:40:54,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:40:54,722 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:40:54,722 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:40:54,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:40:54,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:40:54,723 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2018-11-18 09:40:54,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:40:54,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:40:54,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:40:54,763 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:40:54,763 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:40:54,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-18 09:40:54,813 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/data/1e5c9ff61/c339cc8790e54dfd90df9d017b09e93c/FLAGafeeef8c9 [2018-11-18 09:40:55,191 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:40:55,191 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-18 09:40:55,199 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/data/1e5c9ff61/c339cc8790e54dfd90df9d017b09e93c/FLAGafeeef8c9 [2018-11-18 09:40:55,210 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/data/1e5c9ff61/c339cc8790e54dfd90df9d017b09e93c [2018-11-18 09:40:55,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:40:55,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:40:55,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:55,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:40:55,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:40:55,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55, skipping insertion in model container [2018-11-18 09:40:55,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:40:55,268 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:40:55,513 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:55,522 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:40:55,648 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:55,667 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:40:55,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55 WrapperNode [2018-11-18 09:40:55,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:55,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:55,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:40:55,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:40:55,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:55,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:40:55,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:40:55,716 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:40:55,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... [2018-11-18 09:40:55,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:40:55,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:40:55,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:40:55,744 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:40:55,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:40:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:40:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:40:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:40:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:40:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:40:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:40:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:40:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:40:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:40:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:40:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:40:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:40:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:40:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:40:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:40:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:40:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:40:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:40:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:40:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:40:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:40:56,598 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:40:56,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:56 BoogieIcfgContainer [2018-11-18 09:40:56,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:40:56,599 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:40:56,599 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:40:56,606 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:40:56,606 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:56" (1/1) ... [2018-11-18 09:40:56,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2018-11-18 09:40:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2018-11-18 09:40:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:40:56,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 73 states and 95 transitions. [2018-11-18 09:40:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2018-11-18 09:40:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 09:40:56,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 76 states and 99 transitions. [2018-11-18 09:40:56,935 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2018-11-18 09:40:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 09:40:56,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2018-11-18 09:40:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2018-11-18 09:40:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:40:57,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 88 states and 121 transitions. [2018-11-18 09:40:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2018-11-18 09:40:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 09:40:57,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:57,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 89 states and 122 transitions. [2018-11-18 09:40:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2018-11-18 09:40:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 09:40:57,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 90 states and 123 transitions. [2018-11-18 09:40:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2018-11-18 09:40:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 09:40:57,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2018-11-18 09:40:57,998 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2018-11-18 09:40:57,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:40:57,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:58,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 109 states and 160 transitions. [2018-11-18 09:40:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2018-11-18 09:40:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:40:58,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 197 transitions. [2018-11-18 09:40:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2018-11-18 09:40:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:40:58,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:58,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 133 states and 203 transitions. [2018-11-18 09:40:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2018-11-18 09:40:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 09:40:59,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 139 states and 216 transitions. [2018-11-18 09:40:59,236 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 216 transitions. [2018-11-18 09:40:59,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 09:40:59,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 140 states and 217 transitions. [2018-11-18 09:40:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 217 transitions. [2018-11-18 09:40:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 09:40:59,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:59,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 146 states and 229 transitions. [2018-11-18 09:40:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 229 transitions. [2018-11-18 09:40:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 09:40:59,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 149 states and 237 transitions. [2018-11-18 09:40:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 237 transitions. [2018-11-18 09:40:59,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 09:40:59,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:41:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 150 states and 236 transitions. [2018-11-18 09:41:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 236 transitions. [2018-11-18 09:41:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 09:41:00,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:41:01,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 161 states and 260 transitions. [2018-11-18 09:41:01,133 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 260 transitions. [2018-11-18 09:41:01,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 09:41:01,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:41:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 159 states and 256 transitions. [2018-11-18 09:41:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 256 transitions. [2018-11-18 09:41:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 09:41:01,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:41:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 167 states and 269 transitions. [2018-11-18 09:41:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 269 transitions. [2018-11-18 09:41:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 09:41:01,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:41:01,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 170 states and 272 transitions. [2018-11-18 09:41:01,614 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 272 transitions. [2018-11-18 09:41:01,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:41:01,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:41:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 176 states and 286 transitions. [2018-11-18 09:41:02,221 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 286 transitions. [2018-11-18 09:41:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 09:41:02,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:41:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 177 states and 287 transitions. [2018-11-18 09:41:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 287 transitions. [2018-11-18 09:41:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:41:02,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:41:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 178 states and 288 transitions. [2018-11-18 09:41:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 288 transitions. [2018-11-18 09:41:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:41:02,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 179 states and 288 transitions. [2018-11-18 09:41:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 288 transitions. [2018-11-18 09:41:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:41:02,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:41:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 180 states and 289 transitions. [2018-11-18 09:41:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2018-11-18 09:41:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:41:02,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 197 states and 336 transitions. [2018-11-18 09:41:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 336 transitions. [2018-11-18 09:41:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:41:03,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:03,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 200 states and 339 transitions. [2018-11-18 09:41:03,833 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 339 transitions. [2018-11-18 09:41:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 09:41:03,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:04,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:04,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 208 states and 347 transitions. [2018-11-18 09:41:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2018-11-18 09:41:04,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 09:41:04,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 211 states and 351 transitions. [2018-11-18 09:41:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 351 transitions. [2018-11-18 09:41:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 09:41:05,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 09:41:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:05,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 212 states and 351 transitions. [2018-11-18 09:41:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 351 transitions. [2018-11-18 09:41:05,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 09:41:05,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 213 states and 352 transitions. [2018-11-18 09:41:05,200 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 352 transitions. [2018-11-18 09:41:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:41:05,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 214 states and 353 transitions. [2018-11-18 09:41:05,243 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 353 transitions. [2018-11-18 09:41:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 09:41:05,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 09:41:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 217 states and 357 transitions. [2018-11-18 09:41:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 357 transitions. [2018-11-18 09:41:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 09:41:05,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:05,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 213 states and 349 transitions. [2018-11-18 09:41:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 349 transitions. [2018-11-18 09:41:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 09:41:05,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 09:41:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:05,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 216 states and 354 transitions. [2018-11-18 09:41:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 354 transitions. [2018-11-18 09:41:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 09:41:05,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:41:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 219 states and 356 transitions. [2018-11-18 09:41:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 356 transitions. [2018-11-18 09:41:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 09:41:06,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:06,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 09:41:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 220 states and 357 transitions. [2018-11-18 09:41:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 357 transitions. [2018-11-18 09:41:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 09:41:06,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 09:41:06,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 224 states and 364 transitions. [2018-11-18 09:41:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 364 transitions. [2018-11-18 09:41:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 09:41:06,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:41:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 231 states and 379 transitions. [2018-11-18 09:41:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 379 transitions. [2018-11-18 09:41:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:41:07,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:41:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 234 states and 381 transitions. [2018-11-18 09:41:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 381 transitions. [2018-11-18 09:41:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:41:08,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:41:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 234 states and 377 transitions. [2018-11-18 09:41:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 377 transitions. [2018-11-18 09:41:08,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 09:41:08,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 09:41:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 235 states and 377 transitions. [2018-11-18 09:41:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2018-11-18 09:41:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 09:41:08,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 09:41:08,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 233 states and 373 transitions. [2018-11-18 09:41:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 373 transitions. [2018-11-18 09:41:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 09:41:08,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 09:41:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 234 states and 376 transitions. [2018-11-18 09:41:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 376 transitions. [2018-11-18 09:41:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 09:41:08,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 09:41:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 236 states and 379 transitions. [2018-11-18 09:41:08,848 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 379 transitions. [2018-11-18 09:41:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 09:41:08,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 09:41:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 238 states and 381 transitions. [2018-11-18 09:41:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 381 transitions. [2018-11-18 09:41:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 09:41:08,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 09:41:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 239 states and 381 transitions. [2018-11-18 09:41:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 381 transitions. [2018-11-18 09:41:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 09:41:08,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:08,997 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 09:41:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 240 states and 382 transitions. [2018-11-18 09:41:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 382 transitions. [2018-11-18 09:41:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 09:41:09,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 09:41:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 219 states and 344 transitions. [2018-11-18 09:41:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 344 transitions. [2018-11-18 09:41:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 09:41:09,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 09:41:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 210 states and 327 transitions. [2018-11-18 09:41:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 327 transitions. [2018-11-18 09:41:09,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 09:41:09,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 09:41:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 214 states and 334 transitions. [2018-11-18 09:41:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 334 transitions. [2018-11-18 09:41:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 09:41:09,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 09:41:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:09,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 222 states and 346 transitions. [2018-11-18 09:41:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 346 transitions. [2018-11-18 09:41:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 09:41:09,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 09:41:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 224 states and 349 transitions. [2018-11-18 09:41:09,960 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 349 transitions. [2018-11-18 09:41:09,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 09:41:09,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 09:41:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 225 states and 350 transitions. [2018-11-18 09:41:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 350 transitions. [2018-11-18 09:41:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 09:41:10,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 09:41:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 224 states and 344 transitions. [2018-11-18 09:41:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 344 transitions. [2018-11-18 09:41:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 09:41:10,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 09:41:11,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 211 states and 320 transitions. [2018-11-18 09:41:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 320 transitions. [2018-11-18 09:41:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 09:41:11,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 09:41:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 218 states and 332 transitions. [2018-11-18 09:41:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 332 transitions. [2018-11-18 09:41:11,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 09:41:11,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 09:41:11,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 216 states and 328 transitions. [2018-11-18 09:41:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 328 transitions. [2018-11-18 09:41:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 09:41:11,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 09:41:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 221 states and 337 transitions. [2018-11-18 09:41:12,044 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 337 transitions. [2018-11-18 09:41:12,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 09:41:12,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 09:41:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 223 states and 339 transitions. [2018-11-18 09:41:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 339 transitions. [2018-11-18 09:41:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 09:41:13,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 09:41:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 224 states and 340 transitions. [2018-11-18 09:41:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 340 transitions. [2018-11-18 09:41:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 09:41:13,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 09:41:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 225 states and 341 transitions. [2018-11-18 09:41:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 341 transitions. [2018-11-18 09:41:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 09:41:13,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:41:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:41:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 54 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 09:41:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:41:13,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 174 states and 245 transitions. [2018-11-18 09:41:13,908 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2018-11-18 09:41:13,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:41:13,909 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 63 iterations. [2018-11-18 09:41:13,915 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:41:14,186 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,188 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 09:41:14,191 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,192 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 09:41:14,192 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 09:41:14,192 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,193 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,193 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,193 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,193 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,193 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,193 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 09:41:14,193 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-18 09:41:14,194 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,194 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,194 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:41:14,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:41:14 ImpRootNode [2018-11-18 09:41:14,195 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:41:14,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:41:14,195 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:41:14,195 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:41:14,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:56" (3/4) ... [2018-11-18 09:41:14,199 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:41:14,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:41:14,209 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-18 09:41:14,209 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 09:41:14,209 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 09:41:14,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-18 09:41:14,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-18 09:41:14,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(tmp == 0) || !(0 == pumpRunning)) || 0 == methaneLevelCritical) || pumpRunning == \old(pumpRunning) [2018-11-18 09:41:14,274 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6270629-5f4b-47ab-aa7a-635c59606d53/bin-2019/ukojak/witness.graphml [2018-11-18 09:41:14,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:41:14,275 INFO L168 Benchmark]: Toolchain (without parser) took 19062.27 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 537.4 MB). Free memory was 952.2 MB in the beginning and 1.5 GB in the end (delta: -535.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:14,276 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:41:14,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:14,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:14,277 INFO L168 Benchmark]: Boogie Preprocessor took 27.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:41:14,277 INFO L168 Benchmark]: RCFGBuilder took 854.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:14,278 INFO L168 Benchmark]: CodeCheck took 17596.17 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 340.8 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -401.5 MB). Peak memory consumption was 521.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:14,278 INFO L168 Benchmark]: Witness Printer took 79.62 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:14,279 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 102 locations, 1 error locations. SAFE Result, 17.2s OverallTime, 63 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 474154024 SDtfs, 767088730 SDslu, 2090308280 SDs, 0 SdLazy, 1034303618 SolverSat, 1269659608 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32675 GetRequests, 31908 SyntacticMatches, 433 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54074 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3318 NumberOfCodeBlocks, 3318 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 3256 ConstructedInterpolants, 0 QuantifiedInterpolants, 380622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 51 PerfectInterpolantSequences, 1457/1517 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == 1) && tmp == systemActive - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((!(tmp == 0) || !(0 == pumpRunning)) || 0 == methaneLevelCritical) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 3 < splverifierCounter) || 0 == pumpRunning - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 453.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 854.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. * CodeCheck took 17596.17 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 340.8 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -401.5 MB). Peak memory consumption was 521.5 MB. Max. memory is 11.5 GB. * Witness Printer took 79.62 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...