./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e3a30f3e039239baba08dd6989ee3f84e0fd49b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:21:18,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:21:18,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:21:18,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:21:18,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:21:18,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:21:18,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:21:18,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:21:18,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:21:18,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:21:18,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:21:18,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:21:18,848 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:21:18,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:21:18,849 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:21:18,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:21:18,850 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:21:18,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:21:18,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:21:18,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:21:18,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:21:18,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:21:18,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:21:18,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:21:18,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:21:18,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:21:18,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:21:18,857 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:21:18,858 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:21:18,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:21:18,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:21:18,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:21:18,860 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:21:18,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:21:18,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:21:18,861 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:21:18,861 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:21:18,871 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:21:18,872 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:21:18,872 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:21:18,873 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:21:18,873 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:21:18,873 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:21:18,873 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:21:18,873 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:21:18,873 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:21:18,873 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:21:18,873 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:21:18,874 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:21:18,874 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:21:18,874 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:21:18,874 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:21:18,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:21:18,875 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:21:18,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:21:18,875 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:21:18,875 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:21:18,875 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:21:18,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:21:18,875 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:21:18,876 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:21:18,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:21:18,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:21:18,876 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:21:18,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:21:18,876 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:21:18,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:21:18,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:21:18,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:21:18,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:21:18,877 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:21:18,877 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:21:18,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:21:18,877 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:21:18,877 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_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2018-11-18 12:21:18,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:21:18,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:21:18,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:21:18,915 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:21:18,915 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:21:18,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-18 12:21:18,961 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/data/db7709ea9/1440f6d00628423cb5783dcb8e3d15fa/FLAG2714d43d0 [2018-11-18 12:21:19,288 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:21:19,289 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-18 12:21:19,295 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/data/db7709ea9/1440f6d00628423cb5783dcb8e3d15fa/FLAG2714d43d0 [2018-11-18 12:21:19,304 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/data/db7709ea9/1440f6d00628423cb5783dcb8e3d15fa [2018-11-18 12:21:19,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:21:19,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:21:19,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:21:19,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:21:19,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:21:19,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19, skipping insertion in model container [2018-11-18 12:21:19,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:21:19,356 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:21:19,577 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:21:19,586 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:21:19,678 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:21:19,695 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:21:19,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19 WrapperNode [2018-11-18 12:21:19,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:21:19,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:21:19,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:21:19,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:21:19,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:21:19,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:21:19,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:21:19,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:21:19,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... [2018-11-18 12:21:19,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:21:19,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:21:19,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:21:19,753 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:21:19,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/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 12:21:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:21:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:21:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:21:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:21:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:21:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:21:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:21:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:21:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:21:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:21:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:21:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:21:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:21:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:21:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:21:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:21:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:21:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:21:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:21:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:21:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:21:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:21:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:21:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:21:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:21:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:21:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:21:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:21:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:21:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:21:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:21:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:21:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:21:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:21:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:21:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:21:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:21:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:21:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:21:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 12:21:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 12:21:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:21:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:21:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:21:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:21:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:21:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:21:20,288 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:21:20,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:21:20 BoogieIcfgContainer [2018-11-18 12:21:20,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:21:20,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:21:20,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:21:20,291 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:21:20,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:21:19" (1/3) ... [2018-11-18 12:21:20,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19402b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:21:20, skipping insertion in model container [2018-11-18 12:21:20,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:19" (2/3) ... [2018-11-18 12:21:20,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19402b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:21:20, skipping insertion in model container [2018-11-18 12:21:20,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:21:20" (3/3) ... [2018-11-18 12:21:20,294 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-18 12:21:20,300 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:21:20,305 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:21:20,315 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:21:20,338 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:21:20,339 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:21:20,339 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:21:20,339 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:21:20,339 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:21:20,339 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:21:20,339 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:21:20,339 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:21:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-11-18 12:21:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:21:20,360 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:21:20,360 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:21:20,363 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:21:20,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:21:20,367 INFO L82 PathProgramCache]: Analyzing trace with hash -362029842, now seen corresponding path program 1 times [2018-11-18 12:21:20,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:21:20,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:20,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:21:20,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:20,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:21:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:21:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:21:20,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:21:20,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:21:20,582 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:21:20,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:21:20,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:21:20,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:21:20,595 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-11-18 12:21:20,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:21:20,616 INFO L93 Difference]: Finished difference Result 210 states and 261 transitions. [2018-11-18 12:21:20,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:21:20,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 12:21:20,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:21:20,625 INFO L225 Difference]: With dead ends: 210 [2018-11-18 12:21:20,625 INFO L226 Difference]: Without dead ends: 105 [2018-11-18 12:21:20,627 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 12:21:20,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-18 12:21:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-18 12:21:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 12:21:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2018-11-18 12:21:20,658 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 46 [2018-11-18 12:21:20,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:21:20,658 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2018-11-18 12:21:20,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:21:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2018-11-18 12:21:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:21:20,660 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:21:20,660 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:21:20,661 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:21:20,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:21:20,661 INFO L82 PathProgramCache]: Analyzing trace with hash 457336597, now seen corresponding path program 1 times [2018-11-18 12:21:20,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:21:20,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:20,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:21:20,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:20,663 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:21:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:21:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:21:20,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:21:20,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:21:20,760 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:21:20,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:21:20,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:21:20,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:21:20,762 INFO L87 Difference]: Start difference. First operand 105 states and 122 transitions. Second operand 3 states. [2018-11-18 12:21:20,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:21:20,777 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2018-11-18 12:21:20,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:21:20,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 12:21:20,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:21:20,779 INFO L225 Difference]: With dead ends: 153 [2018-11-18 12:21:20,779 INFO L226 Difference]: Without dead ends: 95 [2018-11-18 12:21:20,780 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 12:21:20,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-18 12:21:20,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-18 12:21:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-18 12:21:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-11-18 12:21:20,790 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 48 [2018-11-18 12:21:20,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:21:20,790 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-11-18 12:21:20,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:21:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-11-18 12:21:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:21:20,792 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:21:20,792 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:21:20,792 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:21:20,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:21:20,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1271616285, now seen corresponding path program 1 times [2018-11-18 12:21:20,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:21:20,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:20,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:21:20,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:20,793 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:21:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:21:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:21:20,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:21:20,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:21:20,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:21:20,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:21:20,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:21:20,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:21:20,950 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2018-11-18 12:21:21,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:21:21,304 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2018-11-18 12:21:21,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:21:21,304 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 12:21:21,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:21:21,306 INFO L225 Difference]: With dead ends: 166 [2018-11-18 12:21:21,306 INFO L226 Difference]: Without dead ends: 95 [2018-11-18 12:21:21,307 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:21:21,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-18 12:21:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-18 12:21:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-18 12:21:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-11-18 12:21:21,315 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 53 [2018-11-18 12:21:21,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:21:21,316 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-11-18 12:21:21,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:21:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-11-18 12:21:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 12:21:21,317 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:21:21,317 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:21:21,318 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:21:21,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:21:21,319 INFO L82 PathProgramCache]: Analyzing trace with hash -319253663, now seen corresponding path program 1 times [2018-11-18 12:21:21,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:21:21,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:21,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:21:21,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:21,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:21:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:21:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:21:21,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:21:21,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:21:21,417 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:21:21,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:21:21,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:21:21,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:21:21,418 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 6 states. [2018-11-18 12:21:21,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:21:21,602 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2018-11-18 12:21:21,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:21:21,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-18 12:21:21,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:21:21,605 INFO L225 Difference]: With dead ends: 230 [2018-11-18 12:21:21,605 INFO L226 Difference]: Without dead ends: 159 [2018-11-18 12:21:21,606 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:21:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-18 12:21:21,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2018-11-18 12:21:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-18 12:21:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-11-18 12:21:21,623 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 61 [2018-11-18 12:21:21,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:21:21,624 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-11-18 12:21:21,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:21:21,624 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-11-18 12:21:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:21:21,625 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:21:21,626 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:21:21,626 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:21:21,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:21:21,627 INFO L82 PathProgramCache]: Analyzing trace with hash -743362563, now seen corresponding path program 1 times [2018-11-18 12:21:21,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:21:21,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:21,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:21:21,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:21,628 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:21:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:21:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:21:21,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:21:21,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:21:21,732 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:21:21,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:21:21,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:21:21,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:21:21,733 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 7 states. [2018-11-18 12:21:21,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:21:21,972 INFO L93 Difference]: Finished difference Result 255 states and 302 transitions. [2018-11-18 12:21:21,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:21:21,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 12:21:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:21:21,975 INFO L225 Difference]: With dead ends: 255 [2018-11-18 12:21:21,975 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:21:21,976 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:21:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:21:21,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:21:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:21:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:21:21,977 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-18 12:21:21,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:21:21,977 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:21:21,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:21:21,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:21:21,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:21:21,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:21:22,542 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 804 811) the Hoare annotation is: true [2018-11-18 12:21:22,542 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 804 811) no Hoare annotation was computed. [2018-11-18 12:21:22,543 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 804 811) no Hoare annotation was computed. [2018-11-18 12:21:22,543 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 771 795) no Hoare annotation was computed. [2018-11-18 12:21:22,543 INFO L421 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,543 INFO L425 ceAbstractionStarter]: For program point L790-1(lines 771 795) no Hoare annotation was computed. [2018-11-18 12:21:22,543 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 771 795) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,543 INFO L421 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,543 INFO L421 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,543 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 787) no Hoare annotation was computed. [2018-11-18 12:21:22,544 INFO L421 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,544 INFO L425 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-11-18 12:21:22,544 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 792) no Hoare annotation was computed. [2018-11-18 12:21:22,544 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-11-18 12:21:22,544 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-11-18 12:21:22,544 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 763 769) no Hoare annotation was computed. [2018-11-18 12:21:22,544 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 763 769) the Hoare annotation is: true [2018-11-18 12:21:22,544 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-18 12:21:22,544 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-11-18 12:21:22,544 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-18 12:21:22,544 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 667 732) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:21:22,544 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 667 732) no Hoare annotation was computed. [2018-11-18 12:21:22,545 INFO L421 ceAbstractionStarter]: At program point L725(lines 676 726) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:21:22,545 INFO L425 ceAbstractionStarter]: For program point L715(lines 715 719) no Hoare annotation was computed. [2018-11-18 12:21:22,545 INFO L421 ceAbstractionStarter]: At program point L715-2(lines 707 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 12:21:22,545 INFO L425 ceAbstractionStarter]: For program point L678(lines 677 724) no Hoare annotation was computed. [2018-11-18 12:21:22,545 INFO L421 ceAbstractionStarter]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 12:21:22,545 INFO L425 ceAbstractionStarter]: For program point L707(lines 707 720) no Hoare annotation was computed. [2018-11-18 12:21:22,545 INFO L421 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 12:21:22,545 INFO L425 ceAbstractionStarter]: For program point L697(lines 697 703) no Hoare annotation was computed. [2018-11-18 12:21:22,545 INFO L425 ceAbstractionStarter]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2018-11-18 12:21:22,545 INFO L421 ceAbstractionStarter]: At program point L722(lines 677 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 12:21:22,546 INFO L421 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 12:21:22,546 INFO L425 ceAbstractionStarter]: For program point L687(lines 687 693) no Hoare annotation was computed. [2018-11-18 12:21:22,546 INFO L425 ceAbstractionStarter]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2018-11-18 12:21:22,546 INFO L425 ceAbstractionStarter]: For program point L679(lines 679 683) no Hoare annotation was computed. [2018-11-18 12:21:22,546 INFO L425 ceAbstractionStarter]: For program point L677-1(lines 677 724) no Hoare annotation was computed. [2018-11-18 12:21:22,546 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 667 732) no Hoare annotation was computed. [2018-11-18 12:21:22,546 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 521 543) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:21:22,546 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 521 543) no Hoare annotation was computed. [2018-11-18 12:21:22,546 INFO L421 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 12:21:22,546 INFO L421 ceAbstractionStarter]: At program point L533-1(line 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 12:21:22,546 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 538) no Hoare annotation was computed. [2018-11-18 12:21:22,546 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 531 538) no Hoare annotation was computed. [2018-11-18 12:21:22,547 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 12:21:22,547 INFO L421 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:21:22,547 INFO L421 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:21:22,547 INFO L421 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:21:22,547 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 521 543) no Hoare annotation was computed. [2018-11-18 12:21:22,547 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2018-11-18 12:21:22,547 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 823 831) the Hoare annotation is: true [2018-11-18 12:21:22,547 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 823 831) no Hoare annotation was computed. [2018-11-18 12:21:22,547 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:21:22,547 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 12:21:22,547 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:21:22,548 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:21:22,548 INFO L425 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-11-18 12:21:22,548 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-11-18 12:21:22,548 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-11-18 12:21:22,548 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-18 12:21:22,548 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-18 12:21:22,548 INFO L421 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,548 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 739 762) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,548 INFO L421 ceAbstractionStarter]: At program point L750(lines 750 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,548 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 739 762) no Hoare annotation was computed. [2018-11-18 12:21:22,548 INFO L421 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,548 INFO L425 ceAbstractionStarter]: For program point L743(lines 742 761) no Hoare annotation was computed. [2018-11-18 12:21:22,548 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 739 762) no Hoare annotation was computed. [2018-11-18 12:21:22,549 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2018-11-18 12:21:22,549 INFO L428 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2018-11-18 12:21:22,549 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 12:21:22,549 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 12:21:22,549 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2018-11-18 12:21:22,549 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2018-11-18 12:21:22,549 INFO L428 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2018-11-18 12:21:22,549 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 456 470) no Hoare annotation was computed. [2018-11-18 12:21:22,549 INFO L428 ceAbstractionStarter]: At program point L456-3(lines 456 470) the Hoare annotation is: true [2018-11-18 12:21:22,549 INFO L428 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-18 12:21:22,549 INFO L425 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2018-11-18 12:21:22,549 INFO L425 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-11-18 12:21:22,549 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: true [2018-11-18 12:21:22,550 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-11-18 12:21:22,550 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-11-18 12:21:22,550 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-11-18 12:21:22,550 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2018-11-18 12:21:22,550 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2018-11-18 12:21:22,550 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:21:22,550 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 12:21:22,550 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:21:22,550 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:21:22,550 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 868 875) no Hoare annotation was computed. [2018-11-18 12:21:22,550 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 868 875) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-18 12:21:22,550 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 868 875) no Hoare annotation was computed. [2018-11-18 12:21:22,551 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-11-18 12:21:22,551 INFO L425 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-11-18 12:21:22,551 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: true [2018-11-18 12:21:22,551 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-11-18 12:21:22,551 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2018-11-18 12:21:22,551 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2018-11-18 12:21:22,551 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2018-11-18 12:21:22,551 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:21:22,551 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2018-11-18 12:21:22,551 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2018-11-18 12:21:22,551 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2018-11-18 12:21:22,552 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2018-11-18 12:21:22,552 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 12:21:22,552 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-18 12:21:22,552 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 12:21:22,552 INFO L425 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2018-11-18 12:21:22,552 INFO L425 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-18 12:21:22,552 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2018-11-18 12:21:22,552 INFO L428 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-11-18 12:21:22,552 INFO L425 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-11-18 12:21:22,552 INFO L428 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-11-18 12:21:22,552 INFO L425 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-11-18 12:21:22,552 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2018-11-18 12:21:22,552 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2018-11-18 12:21:22,553 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2018-11-18 12:21:22,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:21:22 BoogieIcfgContainer [2018-11-18 12:21:22,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:21:22,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:21:22,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:21:22,563 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:21:22,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:21:20" (3/4) ... [2018-11-18 12:21:22,567 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:21:22,572 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:21:22,572 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:21:22,572 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:21:22,572 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:21:22,572 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:21:22,573 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:21:22,574 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 12:21:22,574 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:21:22,574 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:21:22,574 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:21:22,574 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:21:22,574 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:21:22,580 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 12:21:22,580 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:21:22,581 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:21:22,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-18 12:21:22,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:21:22,628 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a6a1e52b-9bea-4a85-b735-9ba517bc3ec7/bin-2019/utaipan/witness.graphml [2018-11-18 12:21:22,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:21:22,629 INFO L168 Benchmark]: Toolchain (without parser) took 3323.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 955.5 MB in the beginning and 1.0 GB in the end (delta: -58.0 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:22,630 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:21:22,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:22,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:22,631 INFO L168 Benchmark]: Boogie Preprocessor took 26.30 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 12:21:22,631 INFO L168 Benchmark]: RCFGBuilder took 536.21 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:22,631 INFO L168 Benchmark]: TraceAbstraction took 2273.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.6 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:22,631 INFO L168 Benchmark]: Witness Printer took 65.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:22,633 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.14 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.30 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 536.21 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2273.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.6 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. * Witness Printer took 65.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 118 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 529 SDtfs, 250 SDslu, 815 SDs, 0 SdLazy, 320 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 498 HoareAnnotationTreeSize, 231 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 28296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...