./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12_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_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/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 ecfbbc733442c307db2d841c8e8a441054d096f7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:36:46,031 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:36:46,032 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:36:46,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:36:46,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:36:46,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:36:46,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:36:46,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:36:46,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:36:46,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:36:46,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:36:46,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:36:46,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:36:46,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:36:46,046 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:36:46,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:36:46,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:36:46,049 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:36:46,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:36:46,052 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:36:46,053 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:36:46,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:36:46,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:36:46,055 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:36:46,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:36:46,056 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:36:46,057 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:36:46,058 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:36:46,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:36:46,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:36:46,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:36:46,060 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:36:46,060 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:36:46,060 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:36:46,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:36:46,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:36:46,061 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:36:46,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:36:46,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:36:46,071 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:36:46,071 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:36:46,071 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:36:46,071 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:36:46,071 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:36:46,071 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:36:46,072 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:36:46,072 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:36:46,072 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:36:46,072 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:36:46,073 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:36:46,074 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:36:46,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:36:46,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:36:46,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:36:46,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:36:46,075 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:36:46,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:36:46,075 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:36:46,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:36:46,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:36:46,075 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:36:46,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:36:46,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:36:46,076 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:36:46,076 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:36:46,076 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:36:46,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:36:46,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:36:46,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:36:46,077 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:36:46,077 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:36:46,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:36:46,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:36:46,077 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:36:46,077 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_607b1b78-92c5-45dd-92de-8b47f57e4574/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 -> ecfbbc733442c307db2d841c8e8a441054d096f7 [2018-11-18 09:36:46,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:36:46,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:36:46,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:36:46,119 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:36:46,119 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:36:46,120 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-18 09:36:46,181 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/data/dc1ab2411/e1f0cd288e2d429fb3b780bb26649899/FLAGf7f68a578 [2018-11-18 09:36:46,581 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:36:46,582 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-18 09:36:46,592 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/data/dc1ab2411/e1f0cd288e2d429fb3b780bb26649899/FLAGf7f68a578 [2018-11-18 09:36:46,604 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/data/dc1ab2411/e1f0cd288e2d429fb3b780bb26649899 [2018-11-18 09:36:46,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:36:46,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:36:46,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:36:46,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:36:46,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:36:46,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:46,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46, skipping insertion in model container [2018-11-18 09:36:46,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:46,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:36:46,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:36:46,873 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:36:46,881 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:36:46,980 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:36:46,998 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:36:46,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46 WrapperNode [2018-11-18 09:36:46,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:36:46,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:36:46,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:36:46,999 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:36:47,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:36:47,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:36:47,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:36:47,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:36:47,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... [2018-11-18 09:36:47,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:36:47,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:36:47,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:36:47,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:36:47,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/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 09:36:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:36:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:36:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:36:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:36:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 09:36:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 09:36:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:36:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:36:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:36:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:36:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:36:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:36:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:36:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:36:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:36:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:36:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:36:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:36:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:36:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:36:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:36:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 09:36:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 09:36:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:36:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:36:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:36:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:36:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:36:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:36:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:36:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:36:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:36:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:36:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:36:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:36:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:36:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:36:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:36:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:36:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:36:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:36:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:36:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:36:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:36:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:36:47,574 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:36:47,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:36:47 BoogieIcfgContainer [2018-11-18 09:36:47,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:36:47,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:36:47,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:36:47,577 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:36:47,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:36:46" (1/3) ... [2018-11-18 09:36:47,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e31ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:36:47, skipping insertion in model container [2018-11-18 09:36:47,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:46" (2/3) ... [2018-11-18 09:36:47,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e31ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:36:47, skipping insertion in model container [2018-11-18 09:36:47,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:36:47" (3/3) ... [2018-11-18 09:36:47,579 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-18 09:36:47,585 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:36:47,590 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:36:47,601 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:36:47,623 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:36:47,623 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:36:47,623 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:36:47,623 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:36:47,623 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:36:47,623 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:36:47,623 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:36:47,623 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:36:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-18 09:36:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:36:47,653 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:36:47,654 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 09:36:47,656 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:36:47,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:47,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1564598521, now seen corresponding path program 1 times [2018-11-18 09:36:47,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:36:47,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:47,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:47,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:47,694 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:36:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:36:47,852 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 09:36:47,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:36:47,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:36:47,854 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:36:47,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:36:47,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:36:47,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:36:47,867 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-11-18 09:36:47,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:36:47,890 INFO L93 Difference]: Finished difference Result 192 states and 237 transitions. [2018-11-18 09:36:47,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:36:47,891 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 09:36:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:36:47,899 INFO L225 Difference]: With dead ends: 192 [2018-11-18 09:36:47,899 INFO L226 Difference]: Without dead ends: 96 [2018-11-18 09:36:47,902 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 09:36:47,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-18 09:36:47,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 09:36:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 09:36:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-11-18 09:36:47,934 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 46 [2018-11-18 09:36:47,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:36:47,935 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-11-18 09:36:47,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:36:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-11-18 09:36:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 09:36:47,937 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:36:47,937 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 09:36:47,938 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:36:47,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:47,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1402668705, now seen corresponding path program 1 times [2018-11-18 09:36:47,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:36:47,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:47,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:47,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:47,939 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:36:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:36:48,025 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 09:36:48,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:36:48,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:36:48,025 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:36:48,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:36:48,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:36:48,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:36:48,027 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 3 states. [2018-11-18 09:36:48,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:36:48,042 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2018-11-18 09:36:48,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:36:48,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 09:36:48,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:36:48,044 INFO L225 Difference]: With dead ends: 126 [2018-11-18 09:36:48,044 INFO L226 Difference]: Without dead ends: 86 [2018-11-18 09:36:48,045 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 09:36:48,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-18 09:36:48,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-18 09:36:48,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-18 09:36:48,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-11-18 09:36:48,053 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 48 [2018-11-18 09:36:48,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:36:48,054 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-11-18 09:36:48,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:36:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-11-18 09:36:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 09:36:48,055 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:36:48,055 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 09:36:48,055 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:36:48,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:48,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1639492347, now seen corresponding path program 1 times [2018-11-18 09:36:48,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:36:48,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:48,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:48,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:48,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:36:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:36:48,181 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 09:36:48,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:36:48,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:36:48,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:36:48,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:36:48,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:36:48,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:36:48,183 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 7 states. [2018-11-18 09:36:48,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:36:48,492 INFO L93 Difference]: Finished difference Result 261 states and 312 transitions. [2018-11-18 09:36:48,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:36:48,493 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 09:36:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:36:48,494 INFO L225 Difference]: With dead ends: 261 [2018-11-18 09:36:48,494 INFO L226 Difference]: Without dead ends: 199 [2018-11-18 09:36:48,495 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:36:48,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-11-18 09:36:48,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2018-11-18 09:36:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 09:36:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 207 transitions. [2018-11-18 09:36:48,511 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 207 transitions. Word has length 53 [2018-11-18 09:36:48,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:36:48,512 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 207 transitions. [2018-11-18 09:36:48,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:36:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 207 transitions. [2018-11-18 09:36:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 09:36:48,513 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:36:48,513 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:48,513 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:36:48,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:48,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1047728589, now seen corresponding path program 1 times [2018-11-18 09:36:48,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:36:48,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:48,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:48,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:48,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:36:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:36:48,677 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 09:36:48,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:36:48,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:36:48,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:36:48,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:36:48,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:36:48,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:36:48,679 INFO L87 Difference]: Start difference. First operand 175 states and 207 transitions. Second operand 6 states. [2018-11-18 09:36:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:36:49,215 INFO L93 Difference]: Finished difference Result 462 states and 569 transitions. [2018-11-18 09:36:49,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:36:49,216 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-11-18 09:36:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:36:49,218 INFO L225 Difference]: With dead ends: 462 [2018-11-18 09:36:49,218 INFO L226 Difference]: Without dead ends: 311 [2018-11-18 09:36:49,219 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:36:49,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-11-18 09:36:49,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 305. [2018-11-18 09:36:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-11-18 09:36:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 364 transitions. [2018-11-18 09:36:49,245 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 364 transitions. Word has length 56 [2018-11-18 09:36:49,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:36:49,245 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 364 transitions. [2018-11-18 09:36:49,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:36:49,245 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 364 transitions. [2018-11-18 09:36:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 09:36:49,246 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:36:49,247 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:49,247 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:36:49,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:49,247 INFO L82 PathProgramCache]: Analyzing trace with hash -371607977, now seen corresponding path program 1 times [2018-11-18 09:36:49,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:36:49,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:49,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:49,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:49,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:36:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:36:49,372 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 09:36:49,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:36:49,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:36:49,372 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:36:49,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:36:49,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:36:49,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:36:49,373 INFO L87 Difference]: Start difference. First operand 305 states and 364 transitions. Second operand 6 states. [2018-11-18 09:36:49,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:36:49,621 INFO L93 Difference]: Finished difference Result 557 states and 680 transitions. [2018-11-18 09:36:49,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:36:49,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 09:36:49,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:36:49,622 INFO L225 Difference]: With dead ends: 557 [2018-11-18 09:36:49,622 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:36:49,624 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 09:36:49,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:36:49,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:36:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:36:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:36:49,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-11-18 09:36:49,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:36:49,625 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:36:49,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:36:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:36:49,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:36:49,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:36:49,945 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-18 09:36:50,404 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: true [2018-11-18 09:36:50,404 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2018-11-18 09:36:50,404 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2018-11-18 09:36:50,404 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 150 156) no Hoare annotation was computed. [2018-11-18 09:36:50,404 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 150 156) the Hoare annotation is: true [2018-11-18 09:36:50,404 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 382 388) the Hoare annotation is: true [2018-11-18 09:36:50,405 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 382 388) no Hoare annotation was computed. [2018-11-18 09:36:50,405 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 389 397) no Hoare annotation was computed. [2018-11-18 09:36:50,405 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 389 397) the Hoare annotation is: true [2018-11-18 09:36:50,405 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 389 397) no Hoare annotation was computed. [2018-11-18 09:36:50,405 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-11-18 09:36:50,405 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,405 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-11-18 09:36:50,405 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 56 105) no Hoare annotation was computed. [2018-11-18 09:36:50,406 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-11-18 09:36:50,406 INFO L421 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,406 INFO L421 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,406 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-11-18 09:36:50,406 INFO L421 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,406 INFO L425 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-11-18 09:36:50,407 INFO L421 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,407 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-11-18 09:36:50,407 INFO L421 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,407 INFO L425 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-11-18 09:36:50,407 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-11-18 09:36:50,407 INFO L421 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,407 INFO L421 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,407 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-11-18 09:36:50,408 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-18 09:36:50,408 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 863 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,426 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 863 885) no Hoare annotation was computed. [2018-11-18 09:36:50,426 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 863 885) no Hoare annotation was computed. [2018-11-18 09:36:50,426 INFO L421 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,426 INFO L421 ceAbstractionStarter]: At program point L875-1(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,426 INFO L425 ceAbstractionStarter]: For program point L873(lines 873 880) no Hoare annotation was computed. [2018-11-18 09:36:50,426 INFO L425 ceAbstractionStarter]: For program point L873-1(lines 873 880) no Hoare annotation was computed. [2018-11-18 09:36:50,426 INFO L425 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-11-18 09:36:50,427 INFO L421 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,427 INFO L421 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,427 INFO L421 ceAbstractionStarter]: At program point L869-1(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,427 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 247 261) no Hoare annotation was computed. [2018-11-18 09:36:50,427 INFO L421 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 09:36:50,427 INFO L425 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-11-18 09:36:50,427 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 247 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 09:36:50,427 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 247 261) no Hoare annotation was computed. [2018-11-18 09:36:50,427 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 202 210) no Hoare annotation was computed. [2018-11-18 09:36:50,427 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 202 210) the Hoare annotation is: true [2018-11-18 09:36:50,427 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 202 210) no Hoare annotation was computed. [2018-11-18 09:36:50,428 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:36:50,428 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:36:50,428 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:36:50,428 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,428 INFO L425 ceAbstractionStarter]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2018-11-18 09:36:50,428 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2018-11-18 09:36:50,428 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2018-11-18 09:36:50,436 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2018-11-18 09:36:50,436 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2018-11-18 09:36:50,437 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 792 821) no Hoare annotation was computed. [2018-11-18 09:36:50,437 INFO L425 ceAbstractionStarter]: For program point L806(lines 806 810) no Hoare annotation was computed. [2018-11-18 09:36:50,437 INFO L428 ceAbstractionStarter]: At program point L806-1(lines 806 810) the Hoare annotation is: true [2018-11-18 09:36:50,438 INFO L425 ceAbstractionStarter]: For program point L802-1(lines 802 816) no Hoare annotation was computed. [2018-11-18 09:36:50,438 INFO L428 ceAbstractionStarter]: At program point L802-3(lines 802 816) the Hoare annotation is: true [2018-11-18 09:36:50,438 INFO L428 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-11-18 09:36:50,438 INFO L425 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-11-18 09:36:50,438 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 792 821) the Hoare annotation is: true [2018-11-18 09:36:50,438 INFO L428 ceAbstractionStarter]: At program point L817(lines 792 821) the Hoare annotation is: true [2018-11-18 09:36:50,438 INFO L425 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-11-18 09:36:50,438 INFO L425 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-11-18 09:36:50,438 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: true [2018-11-18 09:36:50,438 INFO L421 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-18 09:36:50,438 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2018-11-18 09:36:50,438 INFO L428 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: true [2018-11-18 09:36:50,439 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2018-11-18 09:36:50,439 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 09:36:50,439 INFO L425 ceAbstractionStarter]: For program point L130(lines 129 148) no Hoare annotation was computed. [2018-11-18 09:36:50,439 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2018-11-18 09:36:50,439 INFO L425 ceAbstractionStarter]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2018-11-18 09:36:50,439 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2018-11-18 09:36:50,439 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 375 381) no Hoare annotation was computed. [2018-11-18 09:36:50,439 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 375 381) the Hoare annotation is: true [2018-11-18 09:36:50,439 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 846 852) no Hoare annotation was computed. [2018-11-18 09:36:50,439 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 846 852) the Hoare annotation is: true [2018-11-18 09:36:50,439 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:36:50,439 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 09:36:50,439 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:36:50,440 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:36:50,440 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 262 269) no Hoare annotation was computed. [2018-11-18 09:36:50,440 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 262 269) the Hoare annotation is: true [2018-11-18 09:36:50,440 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 262 269) no Hoare annotation was computed. [2018-11-18 09:36:50,440 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2018-11-18 09:36:50,440 INFO L425 ceAbstractionStarter]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2018-11-18 09:36:50,440 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2018-11-18 09:36:50,440 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 271 278) no Hoare annotation was computed. [2018-11-18 09:36:50,440 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 275) no Hoare annotation was computed. [2018-11-18 09:36:50,440 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 271 278) the Hoare annotation is: true [2018-11-18 09:36:50,440 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 271 278) no Hoare annotation was computed. [2018-11-18 09:36:50,440 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 853 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:36:50,441 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 853 862) no Hoare annotation was computed. [2018-11-18 09:36:50,441 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 853 862) no Hoare annotation was computed. [2018-11-18 09:36:50,441 INFO L421 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 09:36:50,441 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 399 423) the Hoare annotation is: true [2018-11-18 09:36:50,441 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 417) no Hoare annotation was computed. [2018-11-18 09:36:50,441 INFO L421 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 09:36:50,441 INFO L425 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2018-11-18 09:36:50,441 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 399 423) no Hoare annotation was computed. [2018-11-18 09:36:50,441 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 420) no Hoare annotation was computed. [2018-11-18 09:36:50,441 INFO L425 ceAbstractionStarter]: For program point L407-1(lines 399 423) no Hoare annotation was computed. [2018-11-18 09:36:50,441 INFO L428 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-11-18 09:36:50,441 INFO L425 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-11-18 09:36:50,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:36:50 BoogieIcfgContainer [2018-11-18 09:36:50,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:36:50,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:36:50,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:36:50,451 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:36:50,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:36:47" (3/4) ... [2018-11-18 09:36:50,456 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:36:50,462 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:36:50,462 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:36:50,462 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:36:50,462 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:36:50,462 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:36:50,462 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:36:50,462 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 09:36:50,462 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:36:50,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:36:50,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:36:50,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:36:50,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:36:50,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:36:50,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:36:50,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:36:50,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:36:50,464 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 09:36:50,464 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:36:50,464 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:36:50,464 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:36:50,464 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:36:50,470 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 09:36:50,470 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:36:50,470 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:36:50,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:36:50,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:36:50,526 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_607b1b78-92c5-45dd-92de-8b47f57e4574/bin-2019/utaipan/witness.graphml [2018-11-18 09:36:50,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:36:50,527 INFO L168 Benchmark]: Toolchain (without parser) took 3920.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -240.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:36:50,527 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:36:50,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:36:50,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:36:50,528 INFO L168 Benchmark]: Boogie Preprocessor took 27.57 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 09:36:50,528 INFO L168 Benchmark]: RCFGBuilder took 526.51 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: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:36:50,528 INFO L168 Benchmark]: TraceAbstraction took 2875.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -132.9 MB). Peak memory consumption was 277.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:36:50,529 INFO L168 Benchmark]: Witness Printer took 75.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:36:50,530 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.57 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 526.51 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: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2875.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -132.9 MB). Peak memory consumption was 277.4 MB. Max. memory is 11.5 GB. * Witness Printer took 75.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 275]: 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: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 109 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 517 SDtfs, 253 SDslu, 1047 SDs, 0 SdLazy, 245 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred 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, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 308 PreInvPairs, 351 NumberOfFragments, 406 HoareAnnotationTreeSize, 308 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1233 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...