./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/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 2898c1a8e6ddf29823b493aba00c6d729c0a21bb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:45:46,744 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:45:46,745 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:45:46,754 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:45:46,754 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:45:46,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:45:46,756 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:45:46,757 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:45:46,758 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:45:46,759 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:45:46,759 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:45:46,759 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:45:46,760 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:45:46,761 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:45:46,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:45:46,762 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:45:46,763 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:45:46,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:45:46,765 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:45:46,766 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:45:46,767 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:45:46,768 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:45:46,769 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:45:46,769 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:45:46,770 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:45:46,770 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:45:46,771 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:45:46,771 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:45:46,772 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:45:46,773 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:45:46,773 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:45:46,773 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:45:46,774 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:45:46,774 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:45:46,774 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:45:46,775 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:45:46,775 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 20:45:46,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:45:46,785 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:45:46,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:45:46,786 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:45:46,786 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:45:46,786 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:45:46,786 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:45:46,787 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 20:45:46,787 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:45:46,787 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:45:46,787 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 20:45:46,787 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 20:45:46,787 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:45:46,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:45:46,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:45:46,788 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:45:46,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:45:46,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:45:46,788 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:45:46,789 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:45:46,789 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:45:46,789 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:45:46,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:45:46,789 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:45:46,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:45:46,790 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:45:46,790 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:45:46,790 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:45:46,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:45:46,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:45:46,790 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:45:46,790 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:45:46,791 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 20:45:46,791 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:45:46,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:45:46,791 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 20:45:46,791 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_9e1a3629-f919-4072-aaca-90ca240ac583/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 -> 2898c1a8e6ddf29823b493aba00c6d729c0a21bb [2018-12-08 20:45:46,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:45:46,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:45:46,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:45:46,827 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:45:46,827 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:45:46,828 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-12-08 20:45:46,871 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/data/61337059a/5d26b98d003e43b0ae8fe45944911b83/FLAG45197e498 [2018-12-08 20:45:47,286 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:45:47,286 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-12-08 20:45:47,292 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/data/61337059a/5d26b98d003e43b0ae8fe45944911b83/FLAG45197e498 [2018-12-08 20:45:47,300 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/data/61337059a/5d26b98d003e43b0ae8fe45944911b83 [2018-12-08 20:45:47,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:45:47,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:45:47,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:45:47,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:45:47,305 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:45:47,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47, skipping insertion in model container [2018-12-08 20:45:47,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:45:47,331 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:45:47,475 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:45:47,519 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:45:47,566 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:45:47,581 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:45:47,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47 WrapperNode [2018-12-08 20:45:47,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:45:47,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:45:47,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:45:47,582 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:45:47,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:45:47,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:45:47,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:45:47,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:45:47,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... [2018-12-08 20:45:47,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:45:47,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:45:47,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:45:47,624 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:45:47,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/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 [2018-12-08 20:45:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 20:45:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 20:45:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:45:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 20:45:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 20:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 20:45:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 20:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 20:45:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 20:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 20:45:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 20:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 20:45:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 20:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 20:45:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 20:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 20:45:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 20:45:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 20:45:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 20:45:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 20:45:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 20:45:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 20:45:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 20:45:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 20:45:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 20:45:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 20:45:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 20:45:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 20:45:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 20:45:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 20:45:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 20:45:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 20:45:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 20:45:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 20:45:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 20:45:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 20:45:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 20:45:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 20:45:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 20:45:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 20:45:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 20:45:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 20:45:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 20:45:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 20:45:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 20:45:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 20:45:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:45:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:45:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 20:45:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 20:45:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 20:45:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 20:45:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:45:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:45:47,912 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:45:47,912 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 20:45:47,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:45:47 BoogieIcfgContainer [2018-12-08 20:45:47,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:45:47,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:45:47,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:45:47,915 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:45:47,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:45:47" (1/3) ... [2018-12-08 20:45:47,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c34d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:45:47, skipping insertion in model container [2018-12-08 20:45:47,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:45:47" (2/3) ... [2018-12-08 20:45:47,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c34d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:45:47, skipping insertion in model container [2018-12-08 20:45:47,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:45:47" (3/3) ... [2018-12-08 20:45:47,917 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-12-08 20:45:47,923 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:45:47,928 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:45:47,937 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:45:47,955 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:45:47,955 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:45:47,956 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:45:47,956 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:45:47,956 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:45:47,956 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:45:47,956 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:45:47,956 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:45:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-12-08 20:45:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 20:45:47,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:45:47,973 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:45:47,974 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:45:47,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:45:47,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1699251987, now seen corresponding path program 1 times [2018-12-08 20:45:47,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:45:48,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:45:48,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:45:48,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:45:48,008 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:45:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:45:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:45:48,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:45:48,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 20:45:48,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:45:48,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 20:45:48,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 20:45:48,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 20:45:48,150 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-12-08 20:45:48,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:45:48,171 INFO L93 Difference]: Finished difference Result 240 states and 297 transitions. [2018-12-08 20:45:48,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 20:45:48,172 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 20:45:48,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:45:48,179 INFO L225 Difference]: With dead ends: 240 [2018-12-08 20:45:48,179 INFO L226 Difference]: Without dead ends: 122 [2018-12-08 20:45:48,181 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 [2018-12-08 20:45:48,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-12-08 20:45:48,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-12-08 20:45:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-12-08 20:45:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 142 transitions. [2018-12-08 20:45:48,211 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 142 transitions. Word has length 59 [2018-12-08 20:45:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:45:48,211 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 142 transitions. [2018-12-08 20:45:48,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 20:45:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2018-12-08 20:45:48,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 20:45:48,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:45:48,213 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:45:48,213 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:45:48,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:45:48,213 INFO L82 PathProgramCache]: Analyzing trace with hash -615478923, now seen corresponding path program 1 times [2018-12-08 20:45:48,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:45:48,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:45:48,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:45:48,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:45:48,214 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:45:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:45:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:45:48,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:45:48,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:45:48,264 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:45:48,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:45:48,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:45:48,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:45:48,266 INFO L87 Difference]: Start difference. First operand 122 states and 142 transitions. Second operand 3 states. [2018-12-08 20:45:48,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:45:48,277 INFO L93 Difference]: Finished difference Result 179 states and 207 transitions. [2018-12-08 20:45:48,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:45:48,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 20:45:48,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:45:48,278 INFO L225 Difference]: With dead ends: 179 [2018-12-08 20:45:48,279 INFO L226 Difference]: Without dead ends: 113 [2018-12-08 20:45:48,279 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 [2018-12-08 20:45:48,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-12-08 20:45:48,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-12-08 20:45:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-08 20:45:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2018-12-08 20:45:48,286 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 60 [2018-12-08 20:45:48,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:45:48,287 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2018-12-08 20:45:48,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:45:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2018-12-08 20:45:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 20:45:48,288 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:45:48,288 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:45:48,288 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:45:48,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:45:48,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1657698999, now seen corresponding path program 1 times [2018-12-08 20:45:48,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:45:48,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:45:48,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:45:48,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:45:48,290 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:45:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:45:48,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:45:48,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:45:48,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 20:45:48,358 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:45:48,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:45:48,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:45:48,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:45:48,359 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 7 states. [2018-12-08 20:45:48,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:45:48,564 INFO L93 Difference]: Finished difference Result 339 states and 410 transitions. [2018-12-08 20:45:48,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:45:48,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-08 20:45:48,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:45:48,566 INFO L225 Difference]: With dead ends: 339 [2018-12-08 20:45:48,566 INFO L226 Difference]: Without dead ends: 254 [2018-12-08 20:45:48,566 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 [2018-12-08 20:45:48,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-08 20:45:48,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 242. [2018-12-08 20:45:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-12-08 20:45:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 292 transitions. [2018-12-08 20:45:48,585 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 292 transitions. Word has length 65 [2018-12-08 20:45:48,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:45:48,585 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 292 transitions. [2018-12-08 20:45:48,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:45:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 292 transitions. [2018-12-08 20:45:48,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 20:45:48,587 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:45:48,587 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:45:48,587 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:45:48,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:45:48,587 INFO L82 PathProgramCache]: Analyzing trace with hash 568879339, now seen corresponding path program 1 times [2018-12-08 20:45:48,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:45:48,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:45:48,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:45:48,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:45:48,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:45:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:45:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 20:45:48,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:45:48,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 20:45:48,662 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:45:48,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:45:48,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:45:48,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:45:48,663 INFO L87 Difference]: Start difference. First operand 242 states and 292 transitions. Second operand 7 states. [2018-12-08 20:45:48,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:45:48,843 INFO L93 Difference]: Finished difference Result 406 states and 507 transitions. [2018-12-08 20:45:48,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 20:45:48,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-08 20:45:48,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:45:48,844 INFO L225 Difference]: With dead ends: 406 [2018-12-08 20:45:48,844 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:45:48,846 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 [2018-12-08 20:45:48,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:45:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:45:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:45:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:45:48,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-12-08 20:45:48,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:45:48,847 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:45:48,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:45:48,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:45:48,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:45:48,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:45:49,320 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 402 408) the Hoare annotation is: true [2018-12-08 20:45:49,321 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 402 408) no Hoare annotation was computed. [2018-12-08 20:45:49,321 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 409 417) no Hoare annotation was computed. [2018-12-08 20:45:49,321 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 409 417) the Hoare annotation is: true [2018-12-08 20:45:49,321 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 409 417) no Hoare annotation was computed. [2018-12-08 20:45:49,321 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 422 429) the Hoare annotation is: true [2018-12-08 20:45:49,321 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 422 429) no Hoare annotation was computed. [2018-12-08 20:45:49,321 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 422 429) no Hoare annotation was computed. [2018-12-08 20:45:49,321 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 430 439) the Hoare annotation is: true [2018-12-08 20:45:49,321 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 430 439) no Hoare annotation was computed. [2018-12-08 20:45:49,321 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 430 439) no Hoare annotation was computed. [2018-12-08 20:45:49,322 INFO L448 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2018-12-08 20:45:49,322 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-12-08 20:45:49,322 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 465) no Hoare annotation was computed. [2018-12-08 20:45:49,322 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 440 468) no Hoare annotation was computed. [2018-12-08 20:45:49,322 INFO L451 ceAbstractionStarter]: At program point L446(line 446) the Hoare annotation is: true [2018-12-08 20:45:49,322 INFO L448 ceAbstractionStarter]: For program point L446-1(line 446) no Hoare annotation was computed. [2018-12-08 20:45:49,322 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 440 468) the Hoare annotation is: true [2018-12-08 20:45:49,322 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 440 468) no Hoare annotation was computed. [2018-12-08 20:45:49,322 INFO L444 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-08 20:45:49,322 INFO L448 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-12-08 20:45:49,323 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 462) no Hoare annotation was computed. [2018-12-08 20:45:49,323 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-12-08 20:45:49,323 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 360 382) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 20:45:49,323 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 360 382) no Hoare annotation was computed. [2018-12-08 20:45:49,323 INFO L444 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-12-08 20:45:49,323 INFO L444 ceAbstractionStarter]: At program point L372-1(line 372) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-12-08 20:45:49,323 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 377) no Hoare annotation was computed. [2018-12-08 20:45:49,323 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 370 377) no Hoare annotation was computed. [2018-12-08 20:45:49,324 INFO L448 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2018-12-08 20:45:49,324 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 20:45:49,324 INFO L444 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 20:45:49,324 INFO L444 ceAbstractionStarter]: At program point L366-1(line 366) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 20:45:49,324 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 360 382) no Hoare annotation was computed. [2018-12-08 20:45:49,324 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 20:45:49,324 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 187 201) no Hoare annotation was computed. [2018-12-08 20:45:49,324 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 197) no Hoare annotation was computed. [2018-12-08 20:45:49,324 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 187 201) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-08 20:45:49,325 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 187 201) no Hoare annotation was computed. [2018-12-08 20:45:49,325 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 142 150) no Hoare annotation was computed. [2018-12-08 20:45:49,325 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 142 150) the Hoare annotation is: true [2018-12-08 20:45:49,325 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 142 150) no Hoare annotation was computed. [2018-12-08 20:45:49,325 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 395 401) no Hoare annotation was computed. [2018-12-08 20:45:49,325 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 395 401) the Hoare annotation is: true [2018-12-08 20:45:49,325 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 346 356) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 20:45:49,325 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 20:45:49,325 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 346 356) no Hoare annotation was computed. [2018-12-08 20:45:49,325 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 346 356) no Hoare annotation was computed. [2018-12-08 20:45:49,326 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 131 141) the Hoare annotation is: true [2018-12-08 20:45:49,326 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 131 141) no Hoare annotation was computed. [2018-12-08 20:45:49,326 INFO L451 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2018-12-08 20:45:49,326 INFO L448 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-12-08 20:45:49,326 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 131 141) no Hoare annotation was computed. [2018-12-08 20:45:49,326 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 123 130) the Hoare annotation is: true [2018-12-08 20:45:49,326 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 123 130) no Hoare annotation was computed. [2018-12-08 20:45:49,326 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 123 130) no Hoare annotation was computed. [2018-12-08 20:45:49,326 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 20:45:49,326 INFO L448 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2018-12-08 20:45:49,326 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2018-12-08 20:45:49,327 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 90 114) no Hoare annotation was computed. [2018-12-08 20:45:49,327 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 90 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-08 20:45:49,327 INFO L444 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-08 20:45:49,327 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2018-12-08 20:45:49,327 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 20:45:49,327 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 20:45:49,327 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2018-12-08 20:45:49,327 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2018-12-08 20:45:49,327 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2018-12-08 20:45:49,327 INFO L448 ceAbstractionStarter]: For program point L225(lines 224 273) no Hoare annotation was computed. [2018-12-08 20:45:49,328 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 20:45:49,328 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 214 281) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 20:45:49,328 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 269) no Hoare annotation was computed. [2018-12-08 20:45:49,328 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 214 281) no Hoare annotation was computed. [2018-12-08 20:45:49,328 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 20:45:49,328 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 250) no Hoare annotation was computed. [2018-12-08 20:45:49,328 INFO L448 ceAbstractionStarter]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2018-12-08 20:45:49,328 INFO L444 ceAbstractionStarter]: At program point L271(lines 224 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 20:45:49,328 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 20:45:49,328 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-12-08 20:45:49,329 INFO L448 ceAbstractionStarter]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2018-12-08 20:45:49,329 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-12-08 20:45:49,329 INFO L444 ceAbstractionStarter]: At program point L274(lines 223 275) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 20:45:49,329 INFO L444 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 20:45:49,329 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 268) no Hoare annotation was computed. [2018-12-08 20:45:49,329 INFO L444 ceAbstractionStarter]: At program point L262-1(lines 254 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 20:45:49,329 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 214 281) no Hoare annotation was computed. [2018-12-08 20:45:49,329 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:45:49,329 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-08 20:45:49,329 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:45:49,329 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 915 923) the Hoare annotation is: true [2018-12-08 20:45:49,330 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 915 923) no Hoare annotation was computed. [2018-12-08 20:45:49,330 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 915 923) no Hoare annotation was computed. [2018-12-08 20:45:49,330 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 871 882) the Hoare annotation is: true [2018-12-08 20:45:49,330 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-12-08 20:45:49,330 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 871 882) no Hoare annotation was computed. [2018-12-08 20:45:49,330 INFO L448 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-12-08 20:45:49,330 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 284 313) no Hoare annotation was computed. [2018-12-08 20:45:49,330 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 284 313) the Hoare annotation is: true [2018-12-08 20:45:49,330 INFO L451 ceAbstractionStarter]: At program point L309(lines 284 313) the Hoare annotation is: true [2018-12-08 20:45:49,330 INFO L448 ceAbstractionStarter]: For program point L305(line 305) no Hoare annotation was computed. [2018-12-08 20:45:49,330 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 302) no Hoare annotation was computed. [2018-12-08 20:45:49,330 INFO L451 ceAbstractionStarter]: At program point L298-1(lines 298 302) the Hoare annotation is: true [2018-12-08 20:45:49,331 INFO L448 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2018-12-08 20:45:49,331 INFO L451 ceAbstractionStarter]: At program point L294-2(lines 294 308) the Hoare annotation is: true [2018-12-08 20:45:49,331 INFO L451 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2018-12-08 20:45:49,331 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 883 891) the Hoare annotation is: true [2018-12-08 20:45:49,331 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 883 891) no Hoare annotation was computed. [2018-12-08 20:45:49,331 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 883 891) no Hoare annotation was computed. [2018-12-08 20:45:49,331 INFO L444 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 20:45:49,331 INFO L448 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2018-12-08 20:45:49,331 INFO L448 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2018-12-08 20:45:49,331 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-08 20:45:49,331 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2018-12-08 20:45:49,332 INFO L444 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-08 20:45:49,332 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2018-12-08 20:45:49,332 INFO L444 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-08 20:45:49,332 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 847 858) the Hoare annotation is: true [2018-12-08 20:45:49,332 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 847 858) no Hoare annotation was computed. [2018-12-08 20:45:49,332 INFO L448 ceAbstractionStarter]: For program point L851-1(lines 847 858) no Hoare annotation was computed. [2018-12-08 20:45:49,332 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 338 344) no Hoare annotation was computed. [2018-12-08 20:45:49,332 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 338 344) the Hoare annotation is: true [2018-12-08 20:45:49,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:45:49,332 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 20:45:49,332 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:45:49,333 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:45:49,333 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2018-12-08 20:45:49,333 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: true [2018-12-08 20:45:49,333 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2018-12-08 20:45:49,333 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 859 870) no Hoare annotation was computed. [2018-12-08 20:45:49,333 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-12-08 20:45:49,333 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 859 870) the Hoare annotation is: true [2018-12-08 20:45:49,333 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 836 843) no Hoare annotation was computed. [2018-12-08 20:45:49,333 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 836 843) the Hoare annotation is: true [2018-12-08 20:45:49,333 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2018-12-08 20:45:49,334 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 836 843) no Hoare annotation was computed. [2018-12-08 20:45:49,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:45:49 BoogieIcfgContainer [2018-12-08 20:45:49,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:45:49,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:45:49,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:45:49,344 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:45:49,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:45:47" (3/4) ... [2018-12-08 20:45:49,347 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:45:49,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 20:45:49,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 20:45:49,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 20:45:49,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 20:45:49,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 20:45:49,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 20:45:49,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 20:45:49,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 20:45:49,361 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-08 20:45:49,362 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 20:45:49,362 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 20:45:49,362 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 20:45:49,363 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 20:45:49,363 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 20:45:49,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-12-08 20:45:49,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-08 20:45:49,416 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9e1a3629-f919-4072-aaca-90ca240ac583/bin-2019/utaipan/witness.graphml [2018-12-08 20:45:49,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:45:49,417 INFO L168 Benchmark]: Toolchain (without parser) took 2115.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.8 MB). Free memory was 953.5 MB in the beginning and 1.2 GB in the end (delta: -225.0 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:45:49,418 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:45:49,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-12-08 20:45:49,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.46 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. [2018-12-08 20:45:49,418 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 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. [2018-12-08 20:45:49,419 INFO L168 Benchmark]: RCFGBuilder took 288.43 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: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2018-12-08 20:45:49,419 INFO L168 Benchmark]: TraceAbstraction took 1430.29 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: -98.6 MB). Peak memory consumption was 276.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:45:49,419 INFO L168 Benchmark]: Witness Printer took 72.94 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: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:45:49,420 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.46 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 22.94 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. * RCFGBuilder took 288.43 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: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1430.29 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: -98.6 MB). Peak memory consumption was 276.9 MB. Max. memory is 11.5 GB. * Witness Printer took 72.94 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: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 840]: 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: 223]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 135 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 533 SDtfs, 304 SDslu, 809 SDs, 0 SdLazy, 397 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=3, 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, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 26598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...