./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/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 ce9b192c4304b665f71871b8c27751c04bbbec40 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:47:14,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:47:14,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:47:14,299 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:47:14,299 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:47:14,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:47:14,301 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:47:14,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:47:14,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:47:14,304 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:47:14,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:47:14,305 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:47:14,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:47:14,306 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:47:14,307 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:47:14,307 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:47:14,308 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:47:14,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:47:14,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:47:14,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:47:14,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:47:14,313 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:47:14,315 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:47:14,315 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:47:14,315 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:47:14,316 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:47:14,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:47:14,317 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:47:14,318 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:47:14,318 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:47:14,319 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:47:14,319 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:47:14,319 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:47:14,319 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:47:14,320 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:47:14,320 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:47:14,320 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 15:47:14,330 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:47:14,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:47:14,331 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:47:14,331 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:47:14,331 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 15:47:14,332 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 15:47:14,332 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 15:47:14,332 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 15:47:14,332 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 15:47:14,332 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 15:47:14,332 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 15:47:14,332 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 15:47:14,332 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 15:47:14,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:47:14,333 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:47:14,333 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:47:14,333 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:47:14,333 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:47:14,333 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:47:14,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:47:14,334 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:47:14,334 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:47:14,334 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:47:14,334 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:47:14,334 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:47:14,334 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:47:14,334 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:47:14,334 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:47:14,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:47:14,335 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:47:14,335 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:47:14,335 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:47:14,335 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 15:47:14,335 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:47:14,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:47:14,335 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 15:47:14,335 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_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/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 -> ce9b192c4304b665f71871b8c27751c04bbbec40 [2018-12-08 15:47:14,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:47:14,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:47:14,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:47:14,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:47:14,370 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:47:14,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-12-08 15:47:14,406 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/data/61605ffb5/5453ae2be7d246a1a1059a03f717600c/FLAG09b34f189 [2018-12-08 15:47:14,746 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:47:14,747 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-12-08 15:47:14,753 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/data/61605ffb5/5453ae2be7d246a1a1059a03f717600c/FLAG09b34f189 [2018-12-08 15:47:14,761 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/data/61605ffb5/5453ae2be7d246a1a1059a03f717600c [2018-12-08 15:47:14,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:47:14,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:47:14,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:47:14,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:47:14,768 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:47:14,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:14" (1/1) ... [2018-12-08 15:47:14,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14, skipping insertion in model container [2018-12-08 15:47:14,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:14" (1/1) ... [2018-12-08 15:47:14,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:47:14,804 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:47:14,949 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:47:14,957 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:47:15,050 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:47:15,067 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:47:15,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15 WrapperNode [2018-12-08 15:47:15,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:47:15,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:47:15,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:47:15,068 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:47:15,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:47:15,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:47:15,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:47:15,093 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:47:15,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... [2018-12-08 15:47:15,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:47:15,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:47:15,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:47:15,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:47:15,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:47:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 15:47:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 15:47:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 15:47:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 15:47:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 15:47:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 15:47:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 15:47:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 15:47:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 15:47:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 15:47:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 15:47:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 15:47:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 15:47:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 15:47:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 15:47:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 15:47:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 15:47:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 15:47:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 15:47:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 15:47:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 15:47:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 15:47:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 15:47:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 15:47:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 15:47:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 15:47:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 15:47:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 15:47:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 15:47:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 15:47:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 15:47:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 15:47:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 15:47:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 15:47:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 15:47:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 15:47:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 15:47:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 15:47:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 15:47:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 15:47:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 15:47:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 15:47:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 15:47:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 15:47:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 15:47:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 15:47:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 15:47:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 15:47:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 15:47:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 15:47:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:47:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:47:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 15:47:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 15:47:15,422 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:47:15,422 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 15:47:15,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:15 BoogieIcfgContainer [2018-12-08 15:47:15,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:47:15,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:47:15,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:47:15,425 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:47:15,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:14" (1/3) ... [2018-12-08 15:47:15,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3954f37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:15, skipping insertion in model container [2018-12-08 15:47:15,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:15" (2/3) ... [2018-12-08 15:47:15,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3954f37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:15, skipping insertion in model container [2018-12-08 15:47:15,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:15" (3/3) ... [2018-12-08 15:47:15,427 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-12-08 15:47:15,433 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:47:15,438 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 15:47:15,447 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 15:47:15,466 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:47:15,466 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:47:15,466 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:47:15,466 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:47:15,466 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:47:15,466 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:47:15,466 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:47:15,466 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:47:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-12-08 15:47:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 15:47:15,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:47:15,484 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:47:15,486 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:47:15,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:47:15,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1854914630, now seen corresponding path program 1 times [2018-12-08 15:47:15,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:47:15,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:15,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:47:15,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:15,519 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:47:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:15,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:47:15,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 15:47:15,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:47:15,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 15:47:15,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 15:47:15,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 15:47:15,641 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-12-08 15:47:15,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:47:15,663 INFO L93 Difference]: Finished difference Result 250 states and 315 transitions. [2018-12-08 15:47:15,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 15:47:15,664 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 15:47:15,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:47:15,671 INFO L225 Difference]: With dead ends: 250 [2018-12-08 15:47:15,671 INFO L226 Difference]: Without dead ends: 125 [2018-12-08 15:47:15,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 15:47:15,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-08 15:47:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-08 15:47:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-08 15:47:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2018-12-08 15:47:15,705 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2018-12-08 15:47:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:47:15,705 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2018-12-08 15:47:15,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 15:47:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2018-12-08 15:47:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 15:47:15,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:47:15,708 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:47:15,708 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:47:15,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:47:15,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1002396403, now seen corresponding path program 1 times [2018-12-08 15:47:15,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:47:15,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:15,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:47:15,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:15,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:47:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:15,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:47:15,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:47:15,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:47:15,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:47:15,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:47:15,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:47:15,774 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 3 states. [2018-12-08 15:47:15,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:47:15,792 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2018-12-08 15:47:15,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:47:15,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 15:47:15,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:47:15,794 INFO L225 Difference]: With dead ends: 193 [2018-12-08 15:47:15,794 INFO L226 Difference]: Without dead ends: 116 [2018-12-08 15:47:15,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:47:15,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-08 15:47:15,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-12-08 15:47:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-08 15:47:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2018-12-08 15:47:15,803 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2018-12-08 15:47:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:47:15,803 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2018-12-08 15:47:15,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:47:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2018-12-08 15:47:15,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 15:47:15,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:47:15,804 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:47:15,804 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:47:15,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:47:15,804 INFO L82 PathProgramCache]: Analyzing trace with hash 405529977, now seen corresponding path program 1 times [2018-12-08 15:47:15,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:47:15,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:15,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:47:15,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:15,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:47:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:15,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:47:15,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 15:47:15,876 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:47:15,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 15:47:15,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 15:47:15,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 15:47:15,876 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 7 states. [2018-12-08 15:47:16,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:47:16,139 INFO L93 Difference]: Finished difference Result 350 states and 429 transitions. [2018-12-08 15:47:16,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 15:47:16,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 15:47:16,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:47:16,143 INFO L225 Difference]: With dead ends: 350 [2018-12-08 15:47:16,143 INFO L226 Difference]: Without dead ends: 258 [2018-12-08 15:47:16,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:47:16,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-12-08 15:47:16,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 250. [2018-12-08 15:47:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-12-08 15:47:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 306 transitions. [2018-12-08 15:47:16,171 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 306 transitions. Word has length 51 [2018-12-08 15:47:16,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:47:16,171 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 306 transitions. [2018-12-08 15:47:16,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 15:47:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 306 transitions. [2018-12-08 15:47:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 15:47:16,174 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:47:16,174 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:47:16,174 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:47:16,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:47:16,175 INFO L82 PathProgramCache]: Analyzing trace with hash 293430698, now seen corresponding path program 1 times [2018-12-08 15:47:16,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:47:16,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:16,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:47:16,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:16,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:47:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:16,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:47:16,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 15:47:16,262 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:47:16,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 15:47:16,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 15:47:16,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 15:47:16,263 INFO L87 Difference]: Start difference. First operand 250 states and 306 transitions. Second operand 6 states. [2018-12-08 15:47:16,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:47:16,386 INFO L93 Difference]: Finished difference Result 687 states and 866 transitions. [2018-12-08 15:47:16,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 15:47:16,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-08 15:47:16,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:47:16,388 INFO L225 Difference]: With dead ends: 687 [2018-12-08 15:47:16,388 INFO L226 Difference]: Without dead ends: 461 [2018-12-08 15:47:16,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 15:47:16,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-12-08 15:47:16,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 455. [2018-12-08 15:47:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-08 15:47:16,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 562 transitions. [2018-12-08 15:47:16,414 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 562 transitions. Word has length 57 [2018-12-08 15:47:16,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:47:16,415 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 562 transitions. [2018-12-08 15:47:16,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 15:47:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 562 transitions. [2018-12-08 15:47:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 15:47:16,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:47:16,416 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:47:16,417 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:47:16,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:47:16,417 INFO L82 PathProgramCache]: Analyzing trace with hash 779555182, now seen corresponding path program 1 times [2018-12-08 15:47:16,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:47:16,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:16,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:47:16,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:47:16,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:47:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:16,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:47:16,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 15:47:16,481 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:47:16,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 15:47:16,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 15:47:16,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 15:47:16,482 INFO L87 Difference]: Start difference. First operand 455 states and 562 transitions. Second operand 7 states. [2018-12-08 15:47:16,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:47:16,652 INFO L93 Difference]: Finished difference Result 741 states and 940 transitions. [2018-12-08 15:47:16,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 15:47:16,653 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-08 15:47:16,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:47:16,653 INFO L225 Difference]: With dead ends: 741 [2018-12-08 15:47:16,653 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 15:47:16,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-08 15:47:16,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 15:47:16,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 15:47:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 15:47:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 15:47:16,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-08 15:47:16,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:47:16,656 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 15:47:16,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 15:47:16,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 15:47:16,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 15:47:16,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 15:47:17,247 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 818 824) the Hoare annotation is: true [2018-12-08 15:47:17,247 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 818 824) no Hoare annotation was computed. [2018-12-08 15:47:17,247 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 825 833) no Hoare annotation was computed. [2018-12-08 15:47:17,248 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 825 833) the Hoare annotation is: true [2018-12-08 15:47:17,248 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 825 833) no Hoare annotation was computed. [2018-12-08 15:47:17,248 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 907 929) 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))) [2018-12-08 15:47:17,248 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 907 929) no Hoare annotation was computed. [2018-12-08 15:47:17,248 INFO L444 ceAbstractionStarter]: At program point L919(line 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:47:17,248 INFO L444 ceAbstractionStarter]: At program point L919-1(line 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:47:17,248 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 924) no Hoare annotation was computed. [2018-12-08 15:47:17,248 INFO L448 ceAbstractionStarter]: For program point L917-1(lines 917 924) no Hoare annotation was computed. [2018-12-08 15:47:17,249 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-12-08 15:47:17,249 INFO L444 ceAbstractionStarter]: At program point L914(line 914) 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))) [2018-12-08 15:47:17,249 INFO L444 ceAbstractionStarter]: At program point L913(line 913) 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))) [2018-12-08 15:47:17,249 INFO L444 ceAbstractionStarter]: At program point L913-1(line 913) 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))) [2018-12-08 15:47:17,249 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 907 929) no Hoare annotation was computed. [2018-12-08 15:47:17,249 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 754 768) no Hoare annotation was computed. [2018-12-08 15:47:17,249 INFO L444 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 15:47:17,249 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 764) no Hoare annotation was computed. [2018-12-08 15:47:17,250 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 754 768) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-08 15:47:17,250 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 754 768) no Hoare annotation was computed. [2018-12-08 15:47:17,250 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 690 698) no Hoare annotation was computed. [2018-12-08 15:47:17,250 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 690 698) the Hoare annotation is: true [2018-12-08 15:47:17,250 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 690 698) no Hoare annotation was computed. [2018-12-08 15:47:17,250 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 735 753) the Hoare annotation is: true [2018-12-08 15:47:17,250 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 748) no Hoare annotation was computed. [2018-12-08 15:47:17,250 INFO L451 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-12-08 15:47:17,250 INFO L448 ceAbstractionStarter]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2018-12-08 15:47:17,250 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 735 753) no Hoare annotation was computed. [2018-12-08 15:47:17,251 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-12-08 15:47:17,251 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 735 753) no Hoare annotation was computed. [2018-12-08 15:47:17,251 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 811 817) no Hoare annotation was computed. [2018-12-08 15:47:17,251 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 811 817) the Hoare annotation is: true [2018-12-08 15:47:17,251 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 897 906) 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))) [2018-12-08 15:47:17,251 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 897 906) no Hoare annotation was computed. [2018-12-08 15:47:17,251 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 897 906) no Hoare annotation was computed. [2018-12-08 15:47:17,251 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 679 689) the Hoare annotation is: true [2018-12-08 15:47:17,251 INFO L451 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: true [2018-12-08 15:47:17,251 INFO L448 ceAbstractionStarter]: For program point L684-1(line 684) no Hoare annotation was computed. [2018-12-08 15:47:17,251 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 679 689) no Hoare annotation was computed. [2018-12-08 15:47:17,252 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 679 689) no Hoare annotation was computed. [2018-12-08 15:47:17,252 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 671 678) the Hoare annotation is: true [2018-12-08 15:47:17,252 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 671 678) no Hoare annotation was computed. [2018-12-08 15:47:17,252 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 671 678) no Hoare annotation was computed. [2018-12-08 15:47:17,252 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 638 662) no Hoare annotation was computed. [2018-12-08 15:47:17,252 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 638 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 15:47:17,252 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 15:47:17,252 INFO L448 ceAbstractionStarter]: For program point L657-1(lines 638 662) no Hoare annotation was computed. [2018-12-08 15:47:17,252 INFO L444 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 15:47:17,252 INFO L444 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 15:47:17,252 INFO L448 ceAbstractionStarter]: For program point L646(lines 646 654) no Hoare annotation was computed. [2018-12-08 15:47:17,252 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 15:47:17,253 INFO L448 ceAbstractionStarter]: For program point L644-1(line 644) no Hoare annotation was computed. [2018-12-08 15:47:17,253 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 659) no Hoare annotation was computed. [2018-12-08 15:47:17,253 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 604 610) no Hoare annotation was computed. [2018-12-08 15:47:17,253 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 604 610) the Hoare annotation is: true [2018-12-08 15:47:17,253 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 558) no Hoare annotation was computed. [2018-12-08 15:47:17,253 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 505 570) 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))) [2018-12-08 15:47:17,253 INFO L444 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:47:17,253 INFO L448 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2018-12-08 15:47:17,253 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 505 570) no Hoare annotation was computed. [2018-12-08 15:47:17,253 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2018-12-08 15:47:17,253 INFO L444 ceAbstractionStarter]: At program point L560(lines 515 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:47:17,253 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:47:17,253 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 531) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 521) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L444 ceAbstractionStarter]: At program point L563(lines 514 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:47:17,254 INFO L444 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:47:17,254 INFO L448 ceAbstractionStarter]: For program point L551(lines 551 557) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L444 ceAbstractionStarter]: At program point L551-1(lines 545 558) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 15:47:17,254 INFO L448 ceAbstractionStarter]: For program point L516(lines 515 562) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 505 570) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-12-08 15:47:17,254 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 15:47:17,254 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 15:47:17,255 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 15:47:17,255 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-08 15:47:17,255 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-12-08 15:47:17,255 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-12-08 15:47:17,255 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 836 865) no Hoare annotation was computed. [2018-12-08 15:47:17,255 INFO L451 ceAbstractionStarter]: At program point L861(lines 836 865) the Hoare annotation is: true [2018-12-08 15:47:17,255 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 836 865) the Hoare annotation is: true [2018-12-08 15:47:17,255 INFO L448 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-12-08 15:47:17,255 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 854) no Hoare annotation was computed. [2018-12-08 15:47:17,255 INFO L451 ceAbstractionStarter]: At program point L850-1(lines 850 854) the Hoare annotation is: true [2018-12-08 15:47:17,255 INFO L448 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-12-08 15:47:17,255 INFO L451 ceAbstractionStarter]: At program point L846-2(lines 846 860) the Hoare annotation is: true [2018-12-08 15:47:17,255 INFO L451 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: true [2018-12-08 15:47:17,255 INFO L448 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-12-08 15:47:17,256 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 15:47:17,256 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 580 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 15:47:17,256 INFO L444 ceAbstractionStarter]: At program point L591(lines 591 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 15:47:17,256 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 580 603) no Hoare annotation was computed. [2018-12-08 15:47:17,256 INFO L444 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 15:47:17,256 INFO L448 ceAbstractionStarter]: For program point L584(lines 583 602) no Hoare annotation was computed. [2018-12-08 15:47:17,256 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 580 603) no Hoare annotation was computed. [2018-12-08 15:47:17,256 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2018-12-08 15:47:17,256 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2018-12-08 15:47:17,256 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2018-12-08 15:47:17,256 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-12-08 15:47:17,256 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-12-08 15:47:17,257 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-12-08 15:47:17,257 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 890 896) no Hoare annotation was computed. [2018-12-08 15:47:17,257 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 890 896) the Hoare annotation is: true [2018-12-08 15:47:17,257 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 15:47:17,257 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 15:47:17,257 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 15:47:17,257 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 15:47:17,257 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-12-08 15:47:17,257 INFO L448 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-12-08 15:47:17,257 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2018-12-08 15:47:17,257 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 931 938) no Hoare annotation was computed. [2018-12-08 15:47:17,257 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2018-12-08 15:47:17,258 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 931 938) the Hoare annotation is: true [2018-12-08 15:47:17,258 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 931 938) no Hoare annotation was computed. [2018-12-08 15:47:17,258 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 771 795) the Hoare annotation is: true [2018-12-08 15:47:17,258 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 771 795) no Hoare annotation was computed. [2018-12-08 15:47:17,258 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-08 15:47:17,258 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 789) no Hoare annotation was computed. [2018-12-08 15:47:17,258 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 15:47:17,258 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-12-08 15:47:17,258 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 792) no Hoare annotation was computed. [2018-12-08 15:47:17,258 INFO L448 ceAbstractionStarter]: For program point L779-1(lines 771 795) no Hoare annotation was computed. [2018-12-08 15:47:17,258 INFO L451 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2018-12-08 15:47:17,258 INFO L448 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-12-08 15:47:17,258 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 612 636) no Hoare annotation was computed. [2018-12-08 15:47:17,259 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 612 636) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 15:47:17,259 INFO L444 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 15:47:17,259 INFO L448 ceAbstractionStarter]: For program point L631-1(lines 612 636) no Hoare annotation was computed. [2018-12-08 15:47:17,259 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 15:47:17,259 INFO L444 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 15:47:17,259 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 628) no Hoare annotation was computed. [2018-12-08 15:47:17,259 INFO L444 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 15:47:17,259 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-12-08 15:47:17,259 INFO L448 ceAbstractionStarter]: For program point L616(lines 616 633) no Hoare annotation was computed. [2018-12-08 15:47:17,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:47:17 BoogieIcfgContainer [2018-12-08 15:47:17,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 15:47:17,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:47:17,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:47:17,270 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:47:17,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:15" (3/4) ... [2018-12-08 15:47:17,273 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 15:47:17,278 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 15:47:17,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 15:47:17,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 15:47:17,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 15:47:17,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 15:47:17,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 15:47:17,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 15:47:17,286 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-08 15:47:17,286 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 15:47:17,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 15:47:17,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 15:47:17,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 15:47:17,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 15:47:17,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 15:47:17,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 15:47:17,329 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_78fb8d8d-6d4a-432e-8fef-0cc75a2d43e0/bin-2019/utaipan/witness.graphml [2018-12-08 15:47:17,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:47:17,330 INFO L168 Benchmark]: Toolchain (without parser) took 2566.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -115.9 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:17,331 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:47:17,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:17,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:47:17,331 INFO L168 Benchmark]: Boogie Preprocessor took 29.89 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:17,332 INFO L168 Benchmark]: RCFGBuilder took 299.32 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:17,332 INFO L168 Benchmark]: TraceAbstraction took 1846.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 290.1 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:17,332 INFO L168 Benchmark]: Witness Printer took 59.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:17,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.89 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 299.32 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1846.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 290.1 MB. Max. memory is 11.5 GB. * Witness Printer took 59.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: 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: 514]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 138 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 697 SDtfs, 479 SDslu, 1272 SDs, 0 SdLazy, 448 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 582 PreInvPairs, 627 NumberOfFragments, 527 HoareAnnotationTreeSize, 582 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 2069 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25527 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...