./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product16_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/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 6e1f2dc26efb42c99cbde86e46132dc40752e9dc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:09:00,634 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:09:00,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:09:00,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:09:00,647 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:09:00,648 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:09:00,649 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:09:00,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:09:00,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:09:00,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:09:00,652 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:09:00,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:09:00,653 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:09:00,654 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:09:00,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:09:00,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:09:00,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:09:00,665 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:09:00,675 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:09:00,677 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:09:00,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:09:00,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:09:00,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:09:00,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:09:00,681 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:09:00,681 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:09:00,686 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:09:00,687 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:09:00,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:09:00,688 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:09:00,688 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:09:00,689 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:09:00,689 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:09:00,689 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:09:00,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:09:00,690 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:09:00,694 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:09:00,709 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:09:00,709 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:09:00,710 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:09:00,710 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:09:00,710 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:09:00,710 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:09:00,711 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:09:00,711 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:09:00,711 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:09:00,711 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:09:00,711 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:09:00,711 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:09:00,711 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:09:00,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:09:00,712 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:09:00,712 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:09:00,712 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:09:00,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:09:00,713 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:09:00,713 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:09:00,713 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:09:00,713 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:09:00,713 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:09:00,713 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:09:00,714 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:09:00,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:09:00,714 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:09:00,716 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:09:00,716 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:09:00,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:09:00,717 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:09:00,717 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:09:00,717 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:09:00,717 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:09:00,717 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:09:00,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:09:00,718 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:09:00,718 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_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/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 -> 6e1f2dc26efb42c99cbde86e46132dc40752e9dc [2018-11-18 11:09:00,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:09:00,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:09:00,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:09:00,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:09:00,759 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:09:00,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product16_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:00,804 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/data/454db9e20/bbedfc4efe7a49859b68a2ca7982cebc/FLAGe7142ae87 [2018-11-18 11:09:01,228 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:09:01,229 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/sv-benchmarks/c/product-lines/minepump_spec5_product16_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:01,238 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/data/454db9e20/bbedfc4efe7a49859b68a2ca7982cebc/FLAGe7142ae87 [2018-11-18 11:09:01,277 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/data/454db9e20/bbedfc4efe7a49859b68a2ca7982cebc [2018-11-18 11:09:01,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:09:01,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:09:01,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:09:01,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:09:01,285 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:09:01,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94fe5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01, skipping insertion in model container [2018-11-18 11:09:01,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:09:01,348 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:09:01,608 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:09:01,616 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:09:01,732 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:09:01,752 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:09:01,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01 WrapperNode [2018-11-18 11:09:01,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:09:01,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:09:01,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:09:01,754 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:09:01,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:09:01,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:09:01,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:09:01,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:09:01,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... [2018-11-18 11:09:01,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:09:01,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:09:01,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:09:01,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:09:01,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:09:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:09:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:09:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:09:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:09:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 11:09:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 11:09:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:09:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:09:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:09:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:09:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:09:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:09:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:09:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:09:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:09:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:09:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:09:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:09:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:09:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:09:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:09:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:09:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:09:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 11:09:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 11:09:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:09:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:09:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:09:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:09:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:09:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:09:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:09:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:09:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:09:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:09:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:09:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:09:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:09:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:09:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:09:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:09:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:09:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:09:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:09:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:09:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:09:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:09:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:09:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:09:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:09:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:09:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:09:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:09:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:09:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:09:02,631 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:09:02,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:02 BoogieIcfgContainer [2018-11-18 11:09:02,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:09:02,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:09:02,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:09:02,635 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:09:02,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:09:01" (1/3) ... [2018-11-18 11:09:02,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be2b864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:09:02, skipping insertion in model container [2018-11-18 11:09:02,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:01" (2/3) ... [2018-11-18 11:09:02,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be2b864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:09:02, skipping insertion in model container [2018-11-18 11:09:02,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:02" (3/3) ... [2018-11-18 11:09:02,652 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product16_true-unreach-call_false-termination.cil.c [2018-11-18 11:09:02,672 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:09:02,684 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:09:02,699 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:09:02,739 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:09:02,740 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:09:02,740 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:09:02,740 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:09:02,740 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:09:02,747 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:09:02,747 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:09:02,747 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:09:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-11-18 11:09:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 11:09:02,805 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:02,815 INFO L375 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] [2018-11-18 11:09:02,818 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:02,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:02,830 INFO L82 PathProgramCache]: Analyzing trace with hash 548605417, now seen corresponding path program 1 times [2018-11-18 11:09:02,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:02,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:02,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:02,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:02,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:09:03,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:03,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:09:03,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:03,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:09:03,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:09:03,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:09:03,199 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-11-18 11:09:03,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:03,231 INFO L93 Difference]: Finished difference Result 244 states and 301 transitions. [2018-11-18 11:09:03,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:09:03,233 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 11:09:03,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:03,245 INFO L225 Difference]: With dead ends: 244 [2018-11-18 11:09:03,246 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 11:09:03,251 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:09:03,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 11:09:03,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-18 11:09:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 11:09:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-11-18 11:09:03,314 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 59 [2018-11-18 11:09:03,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:03,314 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-11-18 11:09:03,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:09:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-11-18 11:09:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 11:09:03,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:03,323 INFO L375 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] [2018-11-18 11:09:03,324 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:03,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:03,324 INFO L82 PathProgramCache]: Analyzing trace with hash 891129633, now seen corresponding path program 1 times [2018-11-18 11:09:03,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:03,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:03,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:03,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:03,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:09:03,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:03,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:09:03,635 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:03,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:09:03,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:09:03,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:09:03,637 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 3 states. [2018-11-18 11:09:03,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:03,666 INFO L93 Difference]: Finished difference Result 181 states and 209 transitions. [2018-11-18 11:09:03,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:09:03,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 11:09:03,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:03,668 INFO L225 Difference]: With dead ends: 181 [2018-11-18 11:09:03,668 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 11:09:03,670 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:09:03,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 11:09:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-18 11:09:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-18 11:09:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-11-18 11:09:03,682 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 61 [2018-11-18 11:09:03,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:03,683 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-11-18 11:09:03,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:09:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-11-18 11:09:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 11:09:03,685 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:03,685 INFO L375 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] [2018-11-18 11:09:03,685 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:03,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:03,685 INFO L82 PathProgramCache]: Analyzing trace with hash -607903826, now seen corresponding path program 1 times [2018-11-18 11:09:03,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:03,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:03,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:03,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:03,687 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:09:03,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:03,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:09:03,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:03,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:09:03,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:09:03,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:09:03,923 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 7 states. [2018-11-18 11:09:04,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:04,883 INFO L93 Difference]: Finished difference Result 343 states and 414 transitions. [2018-11-18 11:09:04,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:09:04,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 11:09:04,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:04,886 INFO L225 Difference]: With dead ends: 343 [2018-11-18 11:09:04,886 INFO L226 Difference]: Without dead ends: 257 [2018-11-18 11:09:04,887 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:09:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-11-18 11:09:04,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 245. [2018-11-18 11:09:04,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-18 11:09:04,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 295 transitions. [2018-11-18 11:09:04,962 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 295 transitions. Word has length 66 [2018-11-18 11:09:04,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:04,963 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 295 transitions. [2018-11-18 11:09:04,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:09:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 295 transitions. [2018-11-18 11:09:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 11:09:04,965 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:04,965 INFO L375 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, 1] [2018-11-18 11:09:04,966 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:04,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:04,966 INFO L82 PathProgramCache]: Analyzing trace with hash 223745039, now seen corresponding path program 1 times [2018-11-18 11:09:04,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:04,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:04,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:04,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:04,971 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:09:05,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:09:05,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:09:05,165 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:05,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:09:05,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:09:05,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:09:05,166 INFO L87 Difference]: Start difference. First operand 245 states and 295 transitions. Second operand 7 states. [2018-11-18 11:09:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:06,084 INFO L93 Difference]: Finished difference Result 412 states and 513 transitions. [2018-11-18 11:09:06,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:09:06,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 11:09:06,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:06,087 INFO L225 Difference]: With dead ends: 412 [2018-11-18 11:09:06,087 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:09:06,089 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:09:06,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:09:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:09:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:09:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:09:06,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-11-18 11:09:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:06,092 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:09:06,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:09:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:09:06,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:09:06,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:09:06,659 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 9 [2018-11-18 11:09:06,827 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 7 [2018-11-18 11:09:06,938 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-11-18 11:09:07,289 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-11-18 11:09:07,398 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-11-18 11:09:07,583 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 9 [2018-11-18 11:09:08,231 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-11-18 11:09:08,618 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 581 587) the Hoare annotation is: true [2018-11-18 11:09:08,619 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 581 587) no Hoare annotation was computed. [2018-11-18 11:09:08,619 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 588 596) no Hoare annotation was computed. [2018-11-18 11:09:08,619 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 588 596) the Hoare annotation is: true [2018-11-18 11:09:08,619 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 588 596) no Hoare annotation was computed. [2018-11-18 11:09:08,619 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 410 417) the Hoare annotation is: true [2018-11-18 11:09:08,619 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 410 417) no Hoare annotation was computed. [2018-11-18 11:09:08,619 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 410 417) no Hoare annotation was computed. [2018-11-18 11:09:08,619 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 418 427) the Hoare annotation is: true [2018-11-18 11:09:08,619 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 418 427) no Hoare annotation was computed. [2018-11-18 11:09:08,619 INFO L425 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2018-11-18 11:09:08,619 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 418 427) no Hoare annotation was computed. [2018-11-18 11:09:08,620 INFO L421 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 11:09:08,620 INFO L425 ceAbstractionStarter]: For program point L441(lines 441 447) no Hoare annotation was computed. [2018-11-18 11:09:08,620 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 450) no Hoare annotation was computed. [2018-11-18 11:09:08,620 INFO L428 ceAbstractionStarter]: At program point L438(line 438) the Hoare annotation is: true [2018-11-18 11:09:08,620 INFO L425 ceAbstractionStarter]: For program point L438-1(line 438) no Hoare annotation was computed. [2018-11-18 11:09:08,620 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 453) no Hoare annotation was computed. [2018-11-18 11:09:08,620 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 428 456) no Hoare annotation was computed. [2018-11-18 11:09:08,620 INFO L428 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: true [2018-11-18 11:09:08,620 INFO L425 ceAbstractionStarter]: For program point L434-1(line 434) no Hoare annotation was computed. [2018-11-18 11:09:08,620 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 428 456) the Hoare annotation is: true [2018-11-18 11:09:08,620 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 428 456) no Hoare annotation was computed. [2018-11-18 11:09:08,621 INFO L421 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:09:08,621 INFO L421 ceAbstractionStarter]: At program point L545-1(line 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:09:08,621 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 539 561) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:09:08,621 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 539 561) no Hoare annotation was computed. [2018-11-18 11:09:08,621 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 539 561) no Hoare annotation was computed. [2018-11-18 11:09:08,621 INFO L421 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-18 11:09:08,621 INFO L421 ceAbstractionStarter]: At program point L551-1(line 551) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-18 11:09:08,621 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 556) no Hoare annotation was computed. [2018-11-18 11:09:08,621 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 549 556) no Hoare annotation was computed. [2018-11-18 11:09:08,621 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 11:09:08,621 INFO L421 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:09:08,622 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 644 650) no Hoare annotation was computed. [2018-11-18 11:09:08,622 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 644 650) the Hoare annotation is: true [2018-11-18 11:09:08,622 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2018-11-18 11:09:08,622 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) 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))))) [2018-11-18 11:09:08,622 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2018-11-18 11:09:08,622 INFO L421 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 11:09:08,622 INFO L425 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2018-11-18 11:09:08,622 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2018-11-18 11:09:08,622 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2018-11-18 11:09:08,622 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 721 729) no Hoare annotation was computed. [2018-11-18 11:09:08,623 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 574 580) no Hoare annotation was computed. [2018-11-18 11:09:08,623 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 574 580) the Hoare annotation is: true [2018-11-18 11:09:08,623 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 525 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:09:08,623 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 525 535) no Hoare annotation was computed. [2018-11-18 11:09:08,623 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 525 535) no Hoare annotation was computed. [2018-11-18 11:09:08,623 INFO L421 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:09:08,623 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 710 720) the Hoare annotation is: true [2018-11-18 11:09:08,623 INFO L428 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: true [2018-11-18 11:09:08,623 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 710 720) no Hoare annotation was computed. [2018-11-18 11:09:08,623 INFO L425 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2018-11-18 11:09:08,623 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 710 720) no Hoare annotation was computed. [2018-11-18 11:09:08,623 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 702 709) the Hoare annotation is: true [2018-11-18 11:09:08,624 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2018-11-18 11:09:08,624 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 702 709) no Hoare annotation was computed. [2018-11-18 11:09:08,624 INFO L421 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 11:09:08,624 INFO L425 ceAbstractionStarter]: For program point L671-1(lines 652 676) no Hoare annotation was computed. [2018-11-18 11:09:08,624 INFO L421 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:09:08,624 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 652 676) no Hoare annotation was computed. [2018-11-18 11:09:08,624 INFO L421 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:09:08,624 INFO L425 ceAbstractionStarter]: For program point L660(lines 660 668) no Hoare annotation was computed. [2018-11-18 11:09:08,624 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 652 676) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 11:09:08,624 INFO L421 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:09:08,624 INFO L425 ceAbstractionStarter]: For program point L658-1(line 658) no Hoare annotation was computed. [2018-11-18 11:09:08,625 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 673) no Hoare annotation was computed. [2018-11-18 11:09:08,625 INFO L425 ceAbstractionStarter]: For program point L801(lines 800 849) no Hoare annotation was computed. [2018-11-18 11:09:08,625 INFO L421 ceAbstractionStarter]: At program point L832(line 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:09:08,625 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 790 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:09:08,625 INFO L425 ceAbstractionStarter]: For program point L830(lines 830 845) no Hoare annotation was computed. [2018-11-18 11:09:08,625 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 790 857) no Hoare annotation was computed. [2018-11-18 11:09:08,625 INFO L421 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:09:08,625 INFO L425 ceAbstractionStarter]: For program point L820(lines 820 826) no Hoare annotation was computed. [2018-11-18 11:09:08,625 INFO L425 ceAbstractionStarter]: For program point L820-1(lines 820 826) no Hoare annotation was computed. [2018-11-18 11:09:08,625 INFO L421 ceAbstractionStarter]: At program point L847(lines 800 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:09:08,626 INFO L421 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:09:08,626 INFO L425 ceAbstractionStarter]: For program point L810(lines 810 816) no Hoare annotation was computed. [2018-11-18 11:09:08,626 INFO L425 ceAbstractionStarter]: For program point L810-1(lines 810 816) no Hoare annotation was computed. [2018-11-18 11:09:08,626 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 806) no Hoare annotation was computed. [2018-11-18 11:09:08,626 INFO L425 ceAbstractionStarter]: For program point L800-1(lines 800 849) no Hoare annotation was computed. [2018-11-18 11:09:08,626 INFO L421 ceAbstractionStarter]: At program point L850(lines 799 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 11:09:08,626 INFO L421 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:09:08,626 INFO L425 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-11-18 11:09:08,626 INFO L421 ceAbstractionStarter]: At program point L838-1(lines 830 845) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 11:09:08,626 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 790 857) no Hoare annotation was computed. [2018-11-18 11:09:08,626 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:09:08,627 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 11:09:08,627 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:09:08,627 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 929 937) the Hoare annotation is: true [2018-11-18 11:09:08,627 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 929 937) no Hoare annotation was computed. [2018-11-18 11:09:08,627 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 929 937) no Hoare annotation was computed. [2018-11-18 11:09:08,627 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 885 896) the Hoare annotation is: true [2018-11-18 11:09:08,627 INFO L425 ceAbstractionStarter]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2018-11-18 11:09:08,627 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 885 896) no Hoare annotation was computed. [2018-11-18 11:09:08,627 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 897 905) the Hoare annotation is: true [2018-11-18 11:09:08,627 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 897 905) no Hoare annotation was computed. [2018-11-18 11:09:08,627 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 897 905) no Hoare annotation was computed. [2018-11-18 11:09:08,628 INFO L421 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 11:09:08,628 INFO L421 ceAbstractionStarter]: At program point L631(lines 631 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 11:09:08,628 INFO L421 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 11:09:08,628 INFO L425 ceAbstractionStarter]: For program point L624(lines 620 642) no Hoare annotation was computed. [2018-11-18 11:09:08,628 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 617 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 11:09:08,628 INFO L425 ceAbstractionStarter]: For program point L622(lines 620 642) no Hoare annotation was computed. [2018-11-18 11:09:08,628 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 617 643) no Hoare annotation was computed. [2018-11-18 11:09:08,628 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 617 643) no Hoare annotation was computed. [2018-11-18 11:09:08,628 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 11:09:08,629 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 460 489) no Hoare annotation was computed. [2018-11-18 11:09:08,629 INFO L425 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2018-11-18 11:09:08,629 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 460 489) the Hoare annotation is: true [2018-11-18 11:09:08,629 INFO L425 ceAbstractionStarter]: For program point L474(lines 474 478) no Hoare annotation was computed. [2018-11-18 11:09:08,629 INFO L428 ceAbstractionStarter]: At program point L474-1(lines 474 478) the Hoare annotation is: true [2018-11-18 11:09:08,629 INFO L425 ceAbstractionStarter]: For program point L470-1(lines 470 484) no Hoare annotation was computed. [2018-11-18 11:09:08,629 INFO L428 ceAbstractionStarter]: At program point L470-3(lines 470 484) the Hoare annotation is: true [2018-11-18 11:09:08,629 INFO L428 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: true [2018-11-18 11:09:08,629 INFO L425 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2018-11-18 11:09:08,629 INFO L428 ceAbstractionStarter]: At program point L485(lines 460 489) the Hoare annotation is: true [2018-11-18 11:09:08,629 INFO L425 ceAbstractionStarter]: For program point L865-1(lines 861 872) no Hoare annotation was computed. [2018-11-18 11:09:08,630 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 861 872) the Hoare annotation is: true [2018-11-18 11:09:08,630 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 861 872) no Hoare annotation was computed. [2018-11-18 11:09:08,630 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 517 523) no Hoare annotation was computed. [2018-11-18 11:09:08,630 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 517 523) the Hoare annotation is: true [2018-11-18 11:09:08,630 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:09:08,630 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 11:09:08,630 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:09:08,630 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:09:08,630 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2018-11-18 11:09:08,630 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: true [2018-11-18 11:09:08,631 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2018-11-18 11:09:08,631 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 873 884) no Hoare annotation was computed. [2018-11-18 11:09:08,631 INFO L425 ceAbstractionStarter]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2018-11-18 11:09:08,631 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 873 884) the Hoare annotation is: true [2018-11-18 11:09:08,631 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 598 605) no Hoare annotation was computed. [2018-11-18 11:09:08,631 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2018-11-18 11:09:08,631 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 598 605) the Hoare annotation is: true [2018-11-18 11:09:08,631 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 598 605) no Hoare annotation was computed. [2018-11-18 11:09:08,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:09:08 BoogieIcfgContainer [2018-11-18 11:09:08,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:09:08,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:09:08,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:09:08,646 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:09:08,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:02" (3/4) ... [2018-11-18 11:09:08,650 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:09:08,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:09:08,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:09:08,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:09:08,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:09:08,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:09:08,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:09:08,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:09:08,656 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:09:08,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:09:08,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:09:08,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:09:08,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:09:08,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:09:08,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:09:08,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 11:09:08,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:09:08,659 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:09:08,682 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 11:09:08,682 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:09:08,683 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:09:08,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-18 11:09:08,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-18 11:09:08,776 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2134e6cb-ae42-41ec-ab1e-859dfb0a3315/bin-2019/utaipan/witness.graphml [2018-11-18 11:09:08,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:09:08,777 INFO L168 Benchmark]: Toolchain (without parser) took 7497.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -213.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:08,778 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:09:08,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:08,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:09:08,778 INFO L168 Benchmark]: Boogie Preprocessor took 44.78 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:08,779 INFO L168 Benchmark]: RCFGBuilder took 805.67 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: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:08,779 INFO L168 Benchmark]: TraceAbstraction took 6013.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -92.4 MB). Peak memory consumption was 271.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:08,779 INFO L168 Benchmark]: Witness Printer took 130.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:09:08,780 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 471.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.09 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 44.78 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 805.67 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: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6013.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -92.4 MB). Peak memory consumption was 271.5 MB. Max. memory is 11.5 GB. * Witness Printer took 130.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 602]: 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: 800]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 137 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 538 SDtfs, 306 SDslu, 818 SDs, 0 SdLazy, 397 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 27604 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...