./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_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_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/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 44f1ef45a377efa065428e9ab52d4697ba35b901 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:11:53,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:11:53,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:11:53,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:11:53,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:11:53,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:11:53,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:11:53,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:11:53,760 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:11:53,761 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:11:53,761 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:11:53,762 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:11:53,762 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:11:53,763 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:11:53,764 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:11:53,764 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:11:53,765 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:11:53,766 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:11:53,767 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:11:53,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:11:53,769 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:11:53,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:11:53,772 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:11:53,772 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:11:53,772 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:11:53,773 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:11:53,774 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:11:53,774 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:11:53,775 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:11:53,776 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:11:53,776 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:11:53,776 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:11:53,776 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:11:53,777 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:11:53,777 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:11:53,777 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:11:53,778 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:11:53,788 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:11:53,788 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:11:53,789 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:11:53,789 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:11:53,789 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:11:53,790 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:11:53,790 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:11:53,790 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:11:53,790 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:11:53,790 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:11:53,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:11:53,790 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:11:53,791 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:11:53,791 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:11:53,791 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:11:53,791 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:11:53,791 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:11:53,791 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:11:53,791 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:11:53,791 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:11:53,792 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:11:53,792 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:11:53,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:11:53,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:11:53,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:11:53,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:11:53,792 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:11:53,793 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:11:53,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:11:53,793 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_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2018-11-18 17:11:53,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:11:53,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:11:53,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:11:53,835 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:11:53,835 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:11:53,836 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-18 17:11:53,879 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/data/ef38d079b/747b2e3089e24b2384ddf191c39dbf3f/FLAG970d77fa1 [2018-11-18 17:11:54,309 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:11:54,309 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-18 17:11:54,316 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/data/ef38d079b/747b2e3089e24b2384ddf191c39dbf3f/FLAG970d77fa1 [2018-11-18 17:11:54,324 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/data/ef38d079b/747b2e3089e24b2384ddf191c39dbf3f [2018-11-18 17:11:54,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:11:54,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:11:54,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:11:54,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:11:54,329 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:11:54,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70682c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54, skipping insertion in model container [2018-11-18 17:11:54,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:11:54,366 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:11:54,543 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:11:54,551 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:11:54,650 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:11:54,671 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:11:54,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54 WrapperNode [2018-11-18 17:11:54,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:11:54,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:11:54,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:11:54,672 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:11:54,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:11:54,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:11:54,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:11:54,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:11:54,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... [2018-11-18 17:11:54,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:11:54,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:11:54,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:11:54,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:11:54,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/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 17:11:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:11:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:11:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:11:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:11:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:11:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:11:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:11:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:11:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:11:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:11:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:11:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:11:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:11:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:11:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:11:55,500 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:11:55,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:55 BoogieIcfgContainer [2018-11-18 17:11:55,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:11:55,501 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:11:55,501 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:11:55,510 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:11:55,511 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:55" (1/1) ... [2018-11-18 17:11:55,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-18 17:11:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-18 17:11:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:11:55,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:55,712 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 17:11:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-18 17:11:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-18 17:11:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:11:55,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:55,791 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 17:11:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-18 17:11:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-18 17:11:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:11:55,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:55,893 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 17:11:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2018-11-18 17:11:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-11-18 17:11:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:11:56,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:56,092 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 17:11:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2018-11-18 17:11:56,102 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2018-11-18 17:11:56,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:11:56,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:56,150 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 17:11:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:56,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2018-11-18 17:11:56,158 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2018-11-18 17:11:56,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:11:56,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:56,249 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 17:11:56,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:56,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 80 states and 121 transitions. [2018-11-18 17:11:56,533 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2018-11-18 17:11:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:11:56,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:56,603 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 17:11:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 145 transitions. [2018-11-18 17:11:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 145 transitions. [2018-11-18 17:11:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:11:56,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:56,983 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 17:11:57,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:57,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 94 states and 147 transitions. [2018-11-18 17:11:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2018-11-18 17:11:57,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:11:57,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:57,109 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 17:11:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 148 transitions. [2018-11-18 17:11:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2018-11-18 17:11:57,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:11:57,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 102 states and 161 transitions. [2018-11-18 17:11:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 161 transitions. [2018-11-18 17:11:57,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:11:57,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 164 transitions. [2018-11-18 17:11:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 164 transitions. [2018-11-18 17:11:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:11:57,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 167 transitions. [2018-11-18 17:11:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2018-11-18 17:11:57,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:11:57,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:57,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 108 states and 172 transitions. [2018-11-18 17:11:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 172 transitions. [2018-11-18 17:11:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:11:57,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 202 transitions. [2018-11-18 17:11:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2018-11-18 17:11:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:11:57,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:58,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 124 states and 203 transitions. [2018-11-18 17:11:58,027 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 203 transitions. [2018-11-18 17:11:58,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:11:58,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 125 states and 204 transitions. [2018-11-18 17:11:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 204 transitions. [2018-11-18 17:11:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:11:58,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:11:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 136 states and 236 transitions. [2018-11-18 17:11:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 236 transitions. [2018-11-18 17:11:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:11:58,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:11:58,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 139 states and 239 transitions. [2018-11-18 17:11:58,947 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2018-11-18 17:11:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:11:58,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:11:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:59,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 144 states and 250 transitions. [2018-11-18 17:11:59,294 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 250 transitions. [2018-11-18 17:11:59,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 17:11:59,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:11:59,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 145 states and 248 transitions. [2018-11-18 17:11:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 248 transitions. [2018-11-18 17:11:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:11:59,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:11:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 152 states and 266 transitions. [2018-11-18 17:11:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 266 transitions. [2018-11-18 17:11:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:11:59,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:11:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:59,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 267 transitions. [2018-11-18 17:11:59,740 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 267 transitions. [2018-11-18 17:11:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:11:59,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:11:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 154 states and 268 transitions. [2018-11-18 17:11:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 268 transitions. [2018-11-18 17:11:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 17:11:59,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:11:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:59,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 144 states and 248 transitions. [2018-11-18 17:11:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 248 transitions. [2018-11-18 17:11:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 17:11:59,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:11:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 148 states and 255 transitions. [2018-11-18 17:11:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 255 transitions. [2018-11-18 17:11:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 17:11:59,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:12:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 146 states and 251 transitions. [2018-11-18 17:12:00,059 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 251 transitions. [2018-11-18 17:12:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 17:12:00,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:12:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 144 states and 246 transitions. [2018-11-18 17:12:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 246 transitions. [2018-11-18 17:12:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 17:12:00,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:12:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 134 states and 228 transitions. [2018-11-18 17:12:00,289 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 228 transitions. [2018-11-18 17:12:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 17:12:00,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 17:12:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 62 states and 85 transitions. [2018-11-18 17:12:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2018-11-18 17:12:00,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:12:00,629 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2018-11-18 17:12:00,637 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:12:00,785 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,787 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,787 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,788 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,788 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,788 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 17:12:00,791 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,791 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,791 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,791 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,791 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,791 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 17:12:00,791 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,792 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,792 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,792 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:12:00,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:12:00 ImpRootNode [2018-11-18 17:12:00,792 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:12:00,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:12:00,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:12:00,793 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:12:00,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:55" (3/4) ... [2018-11-18 17:12:00,797 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:12:00,809 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:12:00,809 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:12:00,809 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:12:00,809 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:12:00,809 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:12:00,809 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:12:00,815 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-18 17:12:00,815 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:12:00,815 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:12:00,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 17:12:00,864 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6cb8a3f-e021-4c69-bebe-ccbb9381e011/bin-2019/ukojak/witness.graphml [2018-11-18 17:12:00,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:12:00,865 INFO L168 Benchmark]: Toolchain (without parser) took 6539.09 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 347.1 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -235.2 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:00,866 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:12:00,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -193.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:00,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.95 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 17:12:00,867 INFO L168 Benchmark]: Boogie Preprocessor took 23.94 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 17:12:00,867 INFO L168 Benchmark]: RCFGBuilder took 765.09 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:00,867 INFO L168 Benchmark]: CodeCheck took 5291.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.8 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:00,868 INFO L168 Benchmark]: Witness Printer took 72.16 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:12:00,869 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 7 procedures, 73 locations, 1 error locations. SAFE Result, 5.1s OverallTime, 30 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1690456880 SDtfs, 197954084 SDslu, -1736022304 SDs, 0 SdLazy, 664556482 SolverSat, 1357782546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10461 GetRequests, 10224 SyntacticMatches, 85 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9989 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1063 ConstructedInterpolants, 0 QuantifiedInterpolants, 93444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 20 PerfectInterpolantSequences, 369/403 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: 496]: 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: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -193.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.95 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. * Boogie Preprocessor took 23.94 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 765.09 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. * CodeCheck took 5291.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.8 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. * Witness Printer took 72.16 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...