./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product10_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_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e860f9a133bb6d76e1501dcd276032def5c8511b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:57:08,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:57:08,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:57:08,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:57:08,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:57:08,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:57:08,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:57:08,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:57:08,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:57:08,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:57:08,698 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:57:08,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:57:08,699 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:57:08,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:57:08,702 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:57:08,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:57:08,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:57:08,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:57:08,706 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:57:08,707 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:57:08,708 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:57:08,709 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:57:08,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:57:08,711 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:57:08,711 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:57:08,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:57:08,713 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:57:08,713 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:57:08,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:57:08,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:57:08,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:57:08,715 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:57:08,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:57:08,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:57:08,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:57:08,718 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:57:08,718 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:57:08,729 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:57:08,729 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:57:08,730 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:57:08,730 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:57:08,730 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:57:08,730 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:57:08,730 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:57:08,730 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:57:08,731 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:57:08,731 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:57:08,731 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:57:08,731 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:57:08,731 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:57:08,732 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:57:08,732 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:57:08,733 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:57:08,734 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:57:08,734 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:57:08,734 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:57:08,734 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:57:08,734 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:57:08,734 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:57:08,734 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:57:08,735 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:57:08,735 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:57:08,735 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:57:08,735 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:57:08,735 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:57:08,735 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:57:08,735 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:57:08,735 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:57:08,735 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:57:08,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:57:08,736 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:57:08,736 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:57:08,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:57:08,736 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:57:08,736 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan 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 -> Taipan 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 -> e860f9a133bb6d76e1501dcd276032def5c8511b [2018-11-18 15:57:08,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:57:08,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:57:08,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:57:08,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:57:08,775 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:57:08,776 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:08,815 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/data/82196f9b4/e759f1231fb444ae9481faca2abe5c52/FLAG596df9dc8 [2018-11-18 15:57:09,188 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:57:09,189 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:09,198 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/data/82196f9b4/e759f1231fb444ae9481faca2abe5c52/FLAG596df9dc8 [2018-11-18 15:57:09,576 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/data/82196f9b4/e759f1231fb444ae9481faca2abe5c52 [2018-11-18 15:57:09,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:57:09,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:57:09,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:57:09,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:57:09,583 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:57:09,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09, skipping insertion in model container [2018-11-18 15:57:09,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:57:09,627 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:57:09,828 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:57:09,837 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:57:09,938 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:57:09,954 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:57:09,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09 WrapperNode [2018-11-18 15:57:09,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:57:09,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:57:09,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:57:09,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:57:09,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:57:09,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:57:09,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:57:09,984 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:57:09,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:10,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:10,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:10,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:10,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:57:10,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:57:10,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:57:10,017 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:57:10,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-18 15:57:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:57:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:57:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:57:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:57:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:57:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:57:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:57:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:57:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:57:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:57:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:57:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:57:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:57:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:57:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:57:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:57:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:57:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:57:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:57:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:57:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:57:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:57:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:57:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:57:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:57:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:57:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:57:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:57:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:57:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:57:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:57:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:57:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:57:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 15:57:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 15:57:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:57:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:57:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:57:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:57:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 15:57:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 15:57:10,512 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:57:10,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:10 BoogieIcfgContainer [2018-11-18 15:57:10,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:57:10,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:57:10,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:57:10,515 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:57:10,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:57:09" (1/3) ... [2018-11-18 15:57:10,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff43f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:57:10, skipping insertion in model container [2018-11-18 15:57:10,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09" (2/3) ... [2018-11-18 15:57:10,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff43f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:57:10, skipping insertion in model container [2018-11-18 15:57:10,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:10" (3/3) ... [2018-11-18 15:57:10,518 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:10,525 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:57:10,533 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:57:10,544 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:57:10,568 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:57:10,568 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:57:10,569 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:57:10,569 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:57:10,569 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:57:10,569 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:57:10,569 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:57:10,569 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:57:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-11-18 15:57:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 15:57:10,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:10,592 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:10,594 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:10,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:10,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1194743803, now seen corresponding path program 1 times [2018-11-18 15:57:10,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:10,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:10,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:10,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:10,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:10,804 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 15:57:10,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:10,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:57:10,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:10,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:57:10,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:57:10,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:57:10,823 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 2 states. [2018-11-18 15:57:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:10,846 INFO L93 Difference]: Finished difference Result 174 states and 217 transitions. [2018-11-18 15:57:10,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:57:10,847 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 15:57:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:10,853 INFO L225 Difference]: With dead ends: 174 [2018-11-18 15:57:10,854 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 15:57:10,856 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:57:10,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 15:57:10,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-18 15:57:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-18 15:57:10,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2018-11-18 15:57:10,889 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 46 [2018-11-18 15:57:10,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:10,889 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2018-11-18 15:57:10,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:57:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2018-11-18 15:57:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 15:57:10,892 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:10,892 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:10,892 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:10,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:10,893 INFO L82 PathProgramCache]: Analyzing trace with hash -212389310, now seen corresponding path program 1 times [2018-11-18 15:57:10,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:10,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:10,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:10,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:10,894 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:10,999 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 15:57:10,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:11,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:57:11,000 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:11,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:57:11,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:57:11,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:57:11,002 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 3 states. [2018-11-18 15:57:11,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:11,017 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2018-11-18 15:57:11,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:57:11,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 15:57:11,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:11,019 INFO L225 Difference]: With dead ends: 117 [2018-11-18 15:57:11,019 INFO L226 Difference]: Without dead ends: 77 [2018-11-18 15:57:11,020 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:57:11,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-18 15:57:11,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-18 15:57:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-18 15:57:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-11-18 15:57:11,028 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 48 [2018-11-18 15:57:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:11,029 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-11-18 15:57:11,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:57:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-11-18 15:57:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:57:11,031 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:11,031 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:11,031 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:11,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1993128463, now seen corresponding path program 1 times [2018-11-18 15:57:11,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:11,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:11,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,033 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:11,169 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 15:57:11,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:11,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:57:11,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:11,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:57:11,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:57:11,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:57:11,171 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 7 states. [2018-11-18 15:57:11,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:11,431 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2018-11-18 15:57:11,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:57:11,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 15:57:11,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:11,433 INFO L225 Difference]: With dead ends: 130 [2018-11-18 15:57:11,433 INFO L226 Difference]: Without dead ends: 77 [2018-11-18 15:57:11,434 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:57:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-18 15:57:11,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-18 15:57:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-18 15:57:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2018-11-18 15:57:11,444 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 53 [2018-11-18 15:57:11,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:11,444 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2018-11-18 15:57:11,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:57:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2018-11-18 15:57:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 15:57:11,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:11,448 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:11,449 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:11,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,449 INFO L82 PathProgramCache]: Analyzing trace with hash 834438801, now seen corresponding path program 1 times [2018-11-18 15:57:11,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:11,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:11,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:11,553 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 15:57:11,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:11,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:57:11,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:11,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:57:11,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:57:11,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:57:11,555 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand 6 states. [2018-11-18 15:57:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:11,671 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2018-11-18 15:57:11,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:57:11,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-11-18 15:57:11,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:11,675 INFO L225 Difference]: With dead ends: 176 [2018-11-18 15:57:11,675 INFO L226 Difference]: Without dead ends: 123 [2018-11-18 15:57:11,676 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:57:11,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-18 15:57:11,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2018-11-18 15:57:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 15:57:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-11-18 15:57:11,691 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 56 [2018-11-18 15:57:11,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:11,692 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-11-18 15:57:11,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:57:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-11-18 15:57:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 15:57:11,694 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:11,694 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:11,694 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:11,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,695 INFO L82 PathProgramCache]: Analyzing trace with hash 2009376053, now seen corresponding path program 1 times [2018-11-18 15:57:11,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:11,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:11,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:11,806 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 15:57:11,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:11,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:57:11,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:11,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:57:11,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:57:11,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:57:11,808 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 6 states. [2018-11-18 15:57:11,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:11,910 INFO L93 Difference]: Finished difference Result 209 states and 244 transitions. [2018-11-18 15:57:11,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:57:11,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 15:57:11,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:11,911 INFO L225 Difference]: With dead ends: 209 [2018-11-18 15:57:11,911 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:57:11,912 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:57:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:57:11,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:57:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:57:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:57:11,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-11-18 15:57:11,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:11,913 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:57:11,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:57:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:57:11,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:57:11,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:57:12,297 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 708) no Hoare annotation was computed. [2018-11-18 15:57:12,298 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 702 708) the Hoare annotation is: true [2018-11-18 15:57:12,298 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2018-11-18 15:57:12,298 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2018-11-18 15:57:12,298 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2018-11-18 15:57:12,298 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2018-11-18 15:57:12,298 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2018-11-18 15:57:12,298 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 138 203) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,298 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 190) no Hoare annotation was computed. [2018-11-18 15:57:12,299 INFO L421 ceAbstractionStarter]: At program point L186-2(lines 178 191) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,299 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 138 203) no Hoare annotation was computed. [2018-11-18 15:57:12,299 INFO L425 ceAbstractionStarter]: For program point L149(lines 148 195) no Hoare annotation was computed. [2018-11-18 15:57:12,299 INFO L421 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,299 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 191) no Hoare annotation was computed. [2018-11-18 15:57:12,299 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,299 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 174) no Hoare annotation was computed. [2018-11-18 15:57:12,299 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2018-11-18 15:57:12,300 INFO L421 ceAbstractionStarter]: At program point L193(lines 148 195) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,300 INFO L421 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,300 INFO L425 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2018-11-18 15:57:12,300 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2018-11-18 15:57:12,300 INFO L425 ceAbstractionStarter]: For program point L150(lines 150 154) no Hoare annotation was computed. [2018-11-18 15:57:12,300 INFO L425 ceAbstractionStarter]: For program point L148-1(lines 148 195) no Hoare annotation was computed. [2018-11-18 15:57:12,300 INFO L421 ceAbstractionStarter]: At program point L196(lines 147 197) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,300 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 138 203) no Hoare annotation was computed. [2018-11-18 15:57:12,301 INFO L425 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2018-11-18 15:57:12,301 INFO L421 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,301 INFO L421 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,301 INFO L421 ceAbstractionStarter]: At program point L287-1(line 287) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,301 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 281 303) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,301 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 281 303) no Hoare annotation was computed. [2018-11-18 15:57:12,301 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 281 303) no Hoare annotation was computed. [2018-11-18 15:57:12,302 INFO L421 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,302 INFO L421 ceAbstractionStarter]: At program point L293-1(line 293) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,302 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 298) no Hoare annotation was computed. [2018-11-18 15:57:12,302 INFO L425 ceAbstractionStarter]: For program point L291-1(lines 291 298) no Hoare annotation was computed. [2018-11-18 15:57:12,302 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 754 762) no Hoare annotation was computed. [2018-11-18 15:57:12,302 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 754 762) the Hoare annotation is: true [2018-11-18 15:57:12,302 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 754 762) no Hoare annotation was computed. [2018-11-18 15:57:12,302 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:57:12,302 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:57:12,303 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:57:12,303 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,303 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2018-11-18 15:57:12,303 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2018-11-18 15:57:12,303 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 206 235) no Hoare annotation was computed. [2018-11-18 15:57:12,303 INFO L425 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2018-11-18 15:57:12,303 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 206 235) the Hoare annotation is: true [2018-11-18 15:57:12,303 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 224) no Hoare annotation was computed. [2018-11-18 15:57:12,303 INFO L428 ceAbstractionStarter]: At program point L220-1(lines 220 224) the Hoare annotation is: true [2018-11-18 15:57:12,304 INFO L425 ceAbstractionStarter]: For program point L216-1(lines 216 230) no Hoare annotation was computed. [2018-11-18 15:57:12,304 INFO L428 ceAbstractionStarter]: At program point L216-3(lines 216 230) the Hoare annotation is: true [2018-11-18 15:57:12,304 INFO L428 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: true [2018-11-18 15:57:12,306 INFO L425 ceAbstractionStarter]: For program point L212-1(line 212) no Hoare annotation was computed. [2018-11-18 15:57:12,306 INFO L428 ceAbstractionStarter]: At program point L231(lines 206 235) the Hoare annotation is: true [2018-11-18 15:57:12,307 INFO L425 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-11-18 15:57:12,307 INFO L428 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2018-11-18 15:57:12,307 INFO L428 ceAbstractionStarter]: At program point L689(lines 689 695) the Hoare annotation is: true [2018-11-18 15:57:12,307 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 678 701) the Hoare annotation is: true [2018-11-18 15:57:12,307 INFO L421 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 15:57:12,307 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 678 701) no Hoare annotation was computed. [2018-11-18 15:57:12,307 INFO L425 ceAbstractionStarter]: For program point L682(lines 681 700) no Hoare annotation was computed. [2018-11-18 15:57:12,307 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 678 701) no Hoare annotation was computed. [2018-11-18 15:57:12,308 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2018-11-18 15:57:12,308 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2018-11-18 15:57:12,308 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2018-11-18 15:57:12,308 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2018-11-18 15:57:12,308 INFO L425 ceAbstractionStarter]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2018-11-18 15:57:12,308 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2018-11-18 15:57:12,308 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2018-11-18 15:57:12,308 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2018-11-18 15:57:12,308 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 261 267) no Hoare annotation was computed. [2018-11-18 15:57:12,309 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 261 267) the Hoare annotation is: true [2018-11-18 15:57:12,309 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:57:12,309 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 15:57:12,309 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:57:12,309 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:57:12,309 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 799 806) no Hoare annotation was computed. [2018-11-18 15:57:12,309 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 799 806) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-11-18 15:57:12,309 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 799 806) no Hoare annotation was computed. [2018-11-18 15:57:12,310 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2018-11-18 15:57:12,310 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2018-11-18 15:57:12,310 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: true [2018-11-18 15:57:12,310 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:57:12,310 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 15:57:12,310 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 15:57:12,310 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:57:12,310 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 268 277) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:57:12,311 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 268 277) no Hoare annotation was computed. [2018-11-18 15:57:12,311 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 268 277) no Hoare annotation was computed. [2018-11-18 15:57:12,311 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 808 832) the Hoare annotation is: true [2018-11-18 15:57:12,311 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 808 832) no Hoare annotation was computed. [2018-11-18 15:57:12,311 INFO L421 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 15:57:12,311 INFO L425 ceAbstractionStarter]: For program point L820(lines 820 826) no Hoare annotation was computed. [2018-11-18 15:57:12,311 INFO L421 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:57:12,311 INFO L425 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-11-18 15:57:12,311 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 829) no Hoare annotation was computed. [2018-11-18 15:57:12,312 INFO L425 ceAbstractionStarter]: For program point L816-1(lines 808 832) no Hoare annotation was computed. [2018-11-18 15:57:12,312 INFO L428 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: true [2018-11-18 15:57:12,312 INFO L425 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2018-11-18 15:57:12,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:57:12 BoogieIcfgContainer [2018-11-18 15:57:12,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:57:12,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:57:12,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:57:12,325 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:57:12,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:10" (3/4) ... [2018-11-18 15:57:12,329 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:57:12,334 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:57:12,334 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:57:12,335 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:57:12,336 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:57:12,336 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:57:12,336 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:57:12,336 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 15:57:12,337 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:57:12,337 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:57:12,337 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:57:12,337 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 15:57:12,343 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 15:57:12,344 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:57:12,344 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:57:12,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:57:12,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:57:12,417 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_145a08bb-12fe-46d4-945f-7da979db28f3/bin-2019/utaipan/witness.graphml [2018-11-18 15:57:12,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:57:12,418 INFO L168 Benchmark]: Toolchain (without parser) took 2838.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -252.2 MB). Peak memory consumption was 281.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:12,419 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:57:12,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:12,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:57:12,420 INFO L168 Benchmark]: Boogie Preprocessor took 32.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:12,420 INFO L168 Benchmark]: RCFGBuilder took 496.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:12,420 INFO L168 Benchmark]: TraceAbstraction took 1810.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 839.7 MB in the end (delta: 252.4 MB). Peak memory consumption was 252.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:12,420 INFO L168 Benchmark]: Witness Printer took 92.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 839.7 MB in the beginning and 1.2 GB in the end (delta: -368.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:12,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 496.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1810.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 839.7 MB in the end (delta: 252.4 MB). Peak memory consumption was 252.4 MB. Max. memory is 11.5 GB. * Witness Printer took 92.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 839.7 MB in the beginning and 1.2 GB in the end (delta: -368.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 100 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 446 SDtfs, 209 SDslu, 737 SDs, 0 SdLazy, 173 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=4, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 161 PreInvPairs, 176 NumberOfFragments, 370 HoareAnnotationTreeSize, 161 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 551 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...