./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/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 2e3a30f3e039239baba08dd6989ee3f84e0fd49b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:37:11,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:37:11,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:37:11,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:37:11,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:37:11,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:37:11,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:37:11,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:37:11,760 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:37:11,761 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:37:11,762 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:37:11,762 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:37:11,763 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:37:11,763 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:37:11,764 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:37:11,764 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:37:11,765 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:37:11,766 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:37:11,767 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:37:11,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:37:11,769 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:37:11,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:37:11,771 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:37:11,771 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:37:11,771 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:37:11,772 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:37:11,773 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:37:11,773 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:37:11,774 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:37:11,775 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:37:11,775 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:37:11,775 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:37:11,775 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:37:11,776 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:37:11,776 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:37:11,777 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:37:11,777 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:37:11,786 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:37:11,787 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:37:11,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:37:11,787 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:37:11,787 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:37:11,788 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:37:11,788 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:37:11,788 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:37:11,788 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:37:11,788 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:37:11,788 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:37:11,788 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:37:11,789 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:37:11,789 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:37:11,789 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:37:11,789 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:37:11,790 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:37:11,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:37:11,790 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:37:11,790 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:37:11,790 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:37:11,790 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:37:11,790 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:37:11,791 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:37:11,791 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:37:11,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:37:11,791 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:37:11,791 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:37:11,791 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:37:11,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:37:11,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:37:11,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:37:11,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:37:11,792 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:37:11,792 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:37:11,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:37:11,792 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:37:11,792 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_ba1472ec-a6dc-4d22-9450-77caa19f7f86/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 -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2018-11-23 05:37:11,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:37:11,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:37:11,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:37:11,827 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:37:11,827 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:37:11,828 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-23 05:37:11,864 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/data/fa5600749/6ecc02f3d2ed4269bd3c814c4b369c98/FLAG87520384d [2018-11-23 05:37:12,300 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:37:12,301 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-23 05:37:12,308 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/data/fa5600749/6ecc02f3d2ed4269bd3c814c4b369c98/FLAG87520384d [2018-11-23 05:37:12,316 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/data/fa5600749/6ecc02f3d2ed4269bd3c814c4b369c98 [2018-11-23 05:37:12,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:37:12,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:37:12,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:37:12,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:37:12,321 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:37:12,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12, skipping insertion in model container [2018-11-23 05:37:12,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:37:12,356 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:37:12,528 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:37:12,537 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:37:12,633 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:37:12,651 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:37:12,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12 WrapperNode [2018-11-23 05:37:12,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:37:12,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:37:12,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:37:12,652 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:37:12,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:37:12,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:37:12,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:37:12,673 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:37:12,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... [2018-11-23 05:37:12,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:37:12,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:37:12,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:37:12,697 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:37:12,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/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 [2018-11-23 05:37:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 05:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 05:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 05:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 05:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 05:37:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 05:37:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 05:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 05:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 05:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 05:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 05:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 05:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 05:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 05:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 05:37:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 05:37:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 05:37:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 05:37:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 05:37:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 05:37:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 05:37:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 05:37:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 05:37:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 05:37:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 05:37:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 05:37:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 05:37:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 05:37:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 05:37:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 05:37:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 05:37:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 05:37:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 05:37:12,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 05:37:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 05:37:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:37:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:37:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 05:37:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 05:37:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 05:37:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 05:37:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:37:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:37:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 05:37:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 05:37:13,131 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:37:13,131 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 05:37:13,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:37:13 BoogieIcfgContainer [2018-11-23 05:37:13,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:37:13,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:37:13,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:37:13,135 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:37:13,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:37:12" (1/3) ... [2018-11-23 05:37:13,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564d7532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:37:13, skipping insertion in model container [2018-11-23 05:37:13,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:12" (2/3) ... [2018-11-23 05:37:13,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564d7532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:37:13, skipping insertion in model container [2018-11-23 05:37:13,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:37:13" (3/3) ... [2018-11-23 05:37:13,137 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-23 05:37:13,143 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:37:13,149 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:37:13,158 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:37:13,177 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:37:13,177 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:37:13,178 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:37:13,178 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:37:13,178 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:37:13,178 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:37:13,178 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:37:13,178 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:37:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-11-23 05:37:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 05:37:13,198 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:37:13,199 INFO L402 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] [2018-11-23 05:37:13,200 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:37:13,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:37:13,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1565238715, now seen corresponding path program 1 times [2018-11-23 05:37:13,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:37:13,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:13,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:37:13,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:13,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:37:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:37:13,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:37:13,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:37:13,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 05:37:13,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:37:13,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 05:37:13,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 05:37:13,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:37:13,398 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2018-11-23 05:37:13,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:37:13,424 INFO L93 Difference]: Finished difference Result 206 states and 257 transitions. [2018-11-23 05:37:13,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 05:37:13,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 05:37:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:37:13,431 INFO L225 Difference]: With dead ends: 206 [2018-11-23 05:37:13,432 INFO L226 Difference]: Without dead ends: 103 [2018-11-23 05:37:13,434 INFO L631 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 [2018-11-23 05:37:13,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-23 05:37:13,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-23 05:37:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-23 05:37:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2018-11-23 05:37:13,464 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 46 [2018-11-23 05:37:13,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:37:13,464 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2018-11-23 05:37:13,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 05:37:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2018-11-23 05:37:13,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 05:37:13,466 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:37:13,467 INFO L402 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] [2018-11-23 05:37:13,467 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:37:13,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:37:13,467 INFO L82 PathProgramCache]: Analyzing trace with hash 166793586, now seen corresponding path program 1 times [2018-11-23 05:37:13,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:37:13,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:13,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:37:13,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:13,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:37:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:37:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:37:13,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:37:13,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:37:13,546 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:37:13,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:37:13,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:37:13,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:37:13,547 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 3 states. [2018-11-23 05:37:13,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:37:13,560 INFO L93 Difference]: Finished difference Result 151 states and 175 transitions. [2018-11-23 05:37:13,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:37:13,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 05:37:13,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:37:13,562 INFO L225 Difference]: With dead ends: 151 [2018-11-23 05:37:13,562 INFO L226 Difference]: Without dead ends: 94 [2018-11-23 05:37:13,563 INFO L631 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 [2018-11-23 05:37:13,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-23 05:37:13,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-23 05:37:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-23 05:37:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-11-23 05:37:13,573 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 47 [2018-11-23 05:37:13,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:37:13,573 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-11-23 05:37:13,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:37:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-11-23 05:37:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 05:37:13,575 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:37:13,575 INFO L402 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] [2018-11-23 05:37:13,575 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:37:13,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:37:13,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1085964651, now seen corresponding path program 1 times [2018-11-23 05:37:13,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:37:13,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:13,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:37:13,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:13,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:37:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:37:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:37:13,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:37:13,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:37:13,686 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:37:13,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:37:13,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:37:13,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:37:13,687 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 7 states. [2018-11-23 05:37:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:37:13,886 INFO L93 Difference]: Finished difference Result 164 states and 193 transitions. [2018-11-23 05:37:13,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:37:13,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 05:37:13,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:37:13,888 INFO L225 Difference]: With dead ends: 164 [2018-11-23 05:37:13,888 INFO L226 Difference]: Without dead ends: 94 [2018-11-23 05:37:13,888 INFO L631 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 [2018-11-23 05:37:13,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-23 05:37:13,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-23 05:37:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-23 05:37:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2018-11-23 05:37:13,897 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 52 [2018-11-23 05:37:13,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:37:13,898 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2018-11-23 05:37:13,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:37:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2018-11-23 05:37:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 05:37:13,899 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:37:13,900 INFO L402 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] [2018-11-23 05:37:13,900 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:37:13,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:37:13,900 INFO L82 PathProgramCache]: Analyzing trace with hash -2131334068, now seen corresponding path program 1 times [2018-11-23 05:37:13,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:37:13,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:13,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:37:13,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:13,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:37:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:37:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:37:13,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:37:13,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:37:13,984 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:37:13,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:37:13,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:37:13,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:37:13,985 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 6 states. [2018-11-23 05:37:14,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:37:14,090 INFO L93 Difference]: Finished difference Result 227 states and 270 transitions. [2018-11-23 05:37:14,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:37:14,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-23 05:37:14,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:37:14,093 INFO L225 Difference]: With dead ends: 227 [2018-11-23 05:37:14,093 INFO L226 Difference]: Without dead ends: 157 [2018-11-23 05:37:14,094 INFO L631 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 [2018-11-23 05:37:14,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-23 05:37:14,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2018-11-23 05:37:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-23 05:37:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2018-11-23 05:37:14,111 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 60 [2018-11-23 05:37:14,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:37:14,112 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2018-11-23 05:37:14,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:37:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2018-11-23 05:37:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 05:37:14,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:37:14,114 INFO L402 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, 1, 1, 1, 1] [2018-11-23 05:37:14,114 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:37:14,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:37:14,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1008503512, now seen corresponding path program 1 times [2018-11-23 05:37:14,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:37:14,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:14,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:37:14,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:37:14,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:37:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:37:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:37:14,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:37:14,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:37:14,199 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:37:14,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:37:14,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:37:14,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:37:14,200 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand 7 states. [2018-11-23 05:37:14,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:37:14,370 INFO L93 Difference]: Finished difference Result 251 states and 298 transitions. [2018-11-23 05:37:14,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:37:14,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 05:37:14,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:37:14,372 INFO L225 Difference]: With dead ends: 251 [2018-11-23 05:37:14,372 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:37:14,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:37:14,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:37:14,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:37:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:37:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:37:14,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-23 05:37:14,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:37:14,375 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:37:14,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:37:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:37:14,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:37:14,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:37:14,941 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 804 811) the Hoare annotation is: true [2018-11-23 05:37:14,942 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 804 811) no Hoare annotation was computed. [2018-11-23 05:37:14,942 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 804 811) no Hoare annotation was computed. [2018-11-23 05:37:14,942 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 771 795) no Hoare annotation was computed. [2018-11-23 05:37:14,942 INFO L444 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,942 INFO L448 ceAbstractionStarter]: For program point L790-1(lines 771 795) no Hoare annotation was computed. [2018-11-23 05:37:14,942 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 771 795) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,943 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,943 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,943 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 787) no Hoare annotation was computed. [2018-11-23 05:37:14,943 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,943 INFO L448 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-11-23 05:37:14,943 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 792) no Hoare annotation was computed. [2018-11-23 05:37:14,943 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-11-23 05:37:14,943 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-11-23 05:37:14,943 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 763 769) no Hoare annotation was computed. [2018-11-23 05:37:14,944 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 763 769) the Hoare annotation is: true [2018-11-23 05:37:14,944 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-23 05:37:14,944 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-11-23 05:37:14,944 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-23 05:37:14,944 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 667 732) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:37:14,944 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 667 732) no Hoare annotation was computed. [2018-11-23 05:37:14,944 INFO L444 ceAbstractionStarter]: At program point L725(lines 676 726) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:37:14,944 INFO L448 ceAbstractionStarter]: For program point L715(lines 715 719) no Hoare annotation was computed. [2018-11-23 05:37:14,945 INFO L444 ceAbstractionStarter]: At program point L715-2(lines 707 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:37:14,945 INFO L448 ceAbstractionStarter]: For program point L678(lines 677 724) no Hoare annotation was computed. [2018-11-23 05:37:14,945 INFO L444 ceAbstractionStarter]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:37:14,945 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 720) no Hoare annotation was computed. [2018-11-23 05:37:14,945 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:37:14,945 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 703) no Hoare annotation was computed. [2018-11-23 05:37:14,945 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2018-11-23 05:37:14,945 INFO L444 ceAbstractionStarter]: At program point L722(lines 677 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:37:14,945 INFO L444 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:37:14,946 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 693) no Hoare annotation was computed. [2018-11-23 05:37:14,946 INFO L448 ceAbstractionStarter]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2018-11-23 05:37:14,946 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 683) no Hoare annotation was computed. [2018-11-23 05:37:14,946 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 667 732) no Hoare annotation was computed. [2018-11-23 05:37:14,946 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 521 543) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:37:14,946 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 521 543) no Hoare annotation was computed. [2018-11-23 05:37:14,946 INFO L444 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:37:14,946 INFO L444 ceAbstractionStarter]: At program point L533-1(line 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:37:14,946 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 538) no Hoare annotation was computed. [2018-11-23 05:37:14,946 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 531 538) no Hoare annotation was computed. [2018-11-23 05:37:14,946 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 05:37:14,947 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:37:14,947 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:37:14,947 INFO L444 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:37:14,947 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 521 543) no Hoare annotation was computed. [2018-11-23 05:37:14,947 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2018-11-23 05:37:14,947 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 823 831) the Hoare annotation is: true [2018-11-23 05:37:14,947 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 823 831) no Hoare annotation was computed. [2018-11-23 05:37:14,947 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:37:14,947 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 05:37:14,947 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:37:14,948 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:37:14,948 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-11-23 05:37:14,948 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-11-23 05:37:14,948 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-11-23 05:37:14,948 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-23 05:37:14,948 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-23 05:37:14,948 INFO L444 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,948 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 739 762) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,948 INFO L444 ceAbstractionStarter]: At program point L750(lines 750 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,948 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 739 762) no Hoare annotation was computed. [2018-11-23 05:37:14,948 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,949 INFO L448 ceAbstractionStarter]: For program point L743(lines 742 761) no Hoare annotation was computed. [2018-11-23 05:37:14,949 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 739 762) no Hoare annotation was computed. [2018-11-23 05:37:14,949 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2018-11-23 05:37:14,949 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2018-11-23 05:37:14,949 INFO L451 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2018-11-23 05:37:14,949 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 05:37:14,949 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2018-11-23 05:37:14,949 INFO L451 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2018-11-23 05:37:14,949 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 05:37:14,949 INFO L451 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2018-11-23 05:37:14,949 INFO L451 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-23 05:37:14,949 INFO L448 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2018-11-23 05:37:14,950 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-11-23 05:37:14,950 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: true [2018-11-23 05:37:14,950 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-11-23 05:37:14,950 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-11-23 05:37:14,950 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-11-23 05:37:14,950 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2018-11-23 05:37:14,950 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2018-11-23 05:37:14,950 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:37:14,950 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 05:37:14,950 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:37:14,950 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:37:14,950 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 868 875) no Hoare annotation was computed. [2018-11-23 05:37:14,951 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 868 875) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:37:14,951 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 868 875) no Hoare annotation was computed. [2018-11-23 05:37:14,951 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-11-23 05:37:14,951 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-11-23 05:37:14,951 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: true [2018-11-23 05:37:14,951 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2018-11-23 05:37:14,951 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2018-11-23 05:37:14,951 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-11-23 05:37:14,951 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2018-11-23 05:37:14,951 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:37:14,951 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2018-11-23 05:37:14,952 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2018-11-23 05:37:14,952 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2018-11-23 05:37:14,952 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2018-11-23 05:37:14,952 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 05:37:14,952 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-23 05:37:14,952 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 05:37:14,952 INFO L448 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2018-11-23 05:37:14,952 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-23 05:37:14,952 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2018-11-23 05:37:14,952 INFO L451 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-11-23 05:37:14,952 INFO L448 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-11-23 05:37:14,952 INFO L451 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-11-23 05:37:14,953 INFO L448 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-11-23 05:37:14,953 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2018-11-23 05:37:14,953 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2018-11-23 05:37:14,953 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2018-11-23 05:37:14,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:37:14 BoogieIcfgContainer [2018-11-23 05:37:14,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:37:14,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:37:14,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:37:14,963 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:37:14,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:37:13" (3/4) ... [2018-11-23 05:37:14,966 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:37:14,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 05:37:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 05:37:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 05:37:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 05:37:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 05:37:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 05:37:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 05:37:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 05:37:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 05:37:14,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 05:37:14,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 05:37:14,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 05:37:14,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 05:37:14,977 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 05:37:14,977 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 05:37:14,978 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 05:37:14,978 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:37:14,978 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:37:14,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:37:14,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:37:15,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-23 05:37:15,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 05:37:15,026 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba1472ec-a6dc-4d22-9450-77caa19f7f86/bin-2019/utaipan/witness.graphml [2018-11-23 05:37:15,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:37:15,027 INFO L168 Benchmark]: Toolchain (without parser) took 2708.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.3 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -230.3 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:37:15,027 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:37:15,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:37:15,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.10 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. [2018-11-23 05:37:15,028 INFO L168 Benchmark]: Boogie Preprocessor took 24.67 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:37:15,028 INFO L168 Benchmark]: RCFGBuilder took 434.58 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:37:15,028 INFO L168 Benchmark]: TraceAbstraction took 1830.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.9 MB). Peak memory consumption was 282.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:37:15,029 INFO L168 Benchmark]: Witness Printer took 62.87 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-23 05:37:15,030 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.10 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 24.67 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 434.58 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1830.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.9 MB). Peak memory consumption was 282.2 MB. Max. memory is 11.5 GB. * Witness Printer took 62.87 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 116 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 248 SDslu, 805 SDs, 0 SdLazy, 320 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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, 50 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 498 HoareAnnotationTreeSize, 231 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 27132 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...