./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/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_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/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 0.1.23-1dbac8b [2018-10-26 21:54:10,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:54:10,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:54:10,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:54:10,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:54:10,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:54:10,317 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:54:10,318 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:54:10,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:54:10,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:54:10,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:54:10,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:54:10,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:54:10,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:54:10,325 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:54:10,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:54:10,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:54:10,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:54:10,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:54:10,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:54:10,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:54:10,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:54:10,337 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:54:10,338 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:54:10,338 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:54:10,339 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:54:10,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:54:10,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:54:10,341 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:54:10,342 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:54:10,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:54:10,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:54:10,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:54:10,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:54:10,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:54:10,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:54:10,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:54:10,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:54:10,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:54:10,361 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:54:10,361 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:54:10,362 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:54:10,362 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:54:10,362 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:54:10,362 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:54:10,362 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:54:10,363 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:54:10,363 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:54:10,365 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:54:10,365 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:54:10,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:54:10,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:54:10,366 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:54:10,366 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:54:10,366 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:54:10,366 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:54:10,366 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:54:10,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:54:10,367 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:54:10,367 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:54:10,367 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:54:10,367 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:54:10,367 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:54:10,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:54:10,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:54:10,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:54:10,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:54:10,368 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:54:10,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:54:10,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:54:10,369 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:54:10,369 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_511b0a9f-e517-4518-8c5c-6a6f28daee54/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 [2018-10-26 21:54:10,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:54:10,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:54:10,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:54:10,427 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:54:10,428 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:54:10,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-10-26 21:54:10,489 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/data/5248aec99/3a63e91e873b48faa8be6ba3b74d848d/FLAG23e7f4f05 [2018-10-26 21:54:11,030 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:54:11,031 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-10-26 21:54:11,045 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/data/5248aec99/3a63e91e873b48faa8be6ba3b74d848d/FLAG23e7f4f05 [2018-10-26 21:54:11,059 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/data/5248aec99/3a63e91e873b48faa8be6ba3b74d848d [2018-10-26 21:54:11,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:54:11,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:54:11,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:11,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:54:11,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:54:11,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d51faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11, skipping insertion in model container [2018-10-26 21:54:11,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:54:11,155 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:54:11,535 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:11,545 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:54:11,635 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:11,755 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:54:11,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11 WrapperNode [2018-10-26 21:54:11,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:11,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:11,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:54:11,757 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:54:11,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:11,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:54:11,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:54:11,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:54:11,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... [2018-10-26 21:54:11,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:54:11,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:54:11,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:54:11,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:54:11,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/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 [2018-10-26 21:54:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 21:54:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 21:54:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:54:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:54:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 21:54:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 21:54:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 21:54:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 21:54:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 21:54:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 21:54:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 21:54:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 21:54:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 21:54:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 21:54:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 21:54:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 21:54:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 21:54:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 21:54:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 21:54:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 21:54:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 21:54:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 21:54:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 21:54:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 21:54:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 21:54:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 21:54:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 21:54:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 21:54:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 21:54:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 21:54:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 21:54:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 21:54:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 21:54:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 21:54:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 21:54:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 21:54:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 21:54:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 21:54:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 21:54:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 21:54:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 21:54:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 21:54:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:54:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:54:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 21:54:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 21:54:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:54:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:54:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 21:54:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 21:54:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 21:54:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 21:54:13,171 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:54:13,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:13 BoogieIcfgContainer [2018-10-26 21:54:13,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:54:13,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:54:13,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:54:13,175 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:54:13,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:54:11" (1/3) ... [2018-10-26 21:54:13,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff40750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:54:13, skipping insertion in model container [2018-10-26 21:54:13,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:11" (2/3) ... [2018-10-26 21:54:13,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff40750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:54:13, skipping insertion in model container [2018-10-26 21:54:13,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:13" (3/3) ... [2018-10-26 21:54:13,180 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-10-26 21:54:13,189 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:54:13,196 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:54:13,209 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:54:13,238 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:54:13,238 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:54:13,238 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:54:13,238 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:54:13,238 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:54:13,238 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:54:13,239 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:54:13,239 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:54:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-10-26 21:54:13,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 21:54:13,266 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:54:13,267 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] [2018-10-26 21:54:13,270 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:54:13,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:54:13,276 INFO L82 PathProgramCache]: Analyzing trace with hash -271710381, now seen corresponding path program 1 times [2018-10-26 21:54:13,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:54:13,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:13,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:54:13,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:13,325 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:54:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:54:13,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:54:13,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 21:54:13,506 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:54:13,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 21:54:13,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 21:54:13,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 21:54:13,527 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-10-26 21:54:13,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:54:13,567 INFO L93 Difference]: Finished difference Result 254 states and 319 transitions. [2018-10-26 21:54:13,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 21:54:13,569 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 21:54:13,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:54:13,581 INFO L225 Difference]: With dead ends: 254 [2018-10-26 21:54:13,581 INFO L226 Difference]: Without dead ends: 127 [2018-10-26 21:54:13,585 INFO L605 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 [2018-10-26 21:54:13,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-10-26 21:54:13,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-10-26 21:54:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-10-26 21:54:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 151 transitions. [2018-10-26 21:54:13,635 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 151 transitions. Word has length 46 [2018-10-26 21:54:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:54:13,636 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 151 transitions. [2018-10-26 21:54:13,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 21:54:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 151 transitions. [2018-10-26 21:54:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 21:54:13,642 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:54:13,643 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] [2018-10-26 21:54:13,643 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:54:13,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:54:13,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1346114298, now seen corresponding path program 1 times [2018-10-26 21:54:13,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:54:13,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:13,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:54:13,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:13,646 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:54:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:54:13,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:54:13,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:54:13,772 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:54:13,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:54:13,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:54:13,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:54:13,774 INFO L87 Difference]: Start difference. First operand 127 states and 151 transitions. Second operand 3 states. [2018-10-26 21:54:13,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:54:13,805 INFO L93 Difference]: Finished difference Result 195 states and 231 transitions. [2018-10-26 21:54:13,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:54:13,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 21:54:13,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:54:13,808 INFO L225 Difference]: With dead ends: 195 [2018-10-26 21:54:13,808 INFO L226 Difference]: Without dead ends: 117 [2018-10-26 21:54:13,809 INFO L605 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 [2018-10-26 21:54:13,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-10-26 21:54:13,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-10-26 21:54:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-26 21:54:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2018-10-26 21:54:13,822 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 48 [2018-10-26 21:54:13,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:54:13,822 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2018-10-26 21:54:13,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:54:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-10-26 21:54:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:54:13,825 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:54:13,825 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] [2018-10-26 21:54:13,825 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:54:13,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:54:13,825 INFO L82 PathProgramCache]: Analyzing trace with hash 256328843, now seen corresponding path program 1 times [2018-10-26 21:54:13,826 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:54:13,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:13,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:54:13,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:13,827 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:54:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:54:14,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:54:14,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 21:54:14,044 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:54:14,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:54:14,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:54:14,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:54:14,045 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand 7 states. [2018-10-26 21:54:15,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:54:15,016 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-10-26 21:54:15,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:54:15,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-26 21:54:15,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:54:15,021 INFO L225 Difference]: With dead ends: 354 [2018-10-26 21:54:15,021 INFO L226 Difference]: Without dead ends: 261 [2018-10-26 21:54:15,022 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 21:54:15,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-10-26 21:54:15,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 253. [2018-10-26 21:54:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-10-26 21:54:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 309 transitions. [2018-10-26 21:54:15,062 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 309 transitions. Word has length 52 [2018-10-26 21:54:15,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:54:15,062 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 309 transitions. [2018-10-26 21:54:15,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:54:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 309 transitions. [2018-10-26 21:54:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 21:54:15,072 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:54:15,073 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] [2018-10-26 21:54:15,073 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:54:15,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:54:15,073 INFO L82 PathProgramCache]: Analyzing trace with hash 95286073, now seen corresponding path program 1 times [2018-10-26 21:54:15,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:54:15,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:15,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:54:15,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:15,075 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:54:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:54:15,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:54:15,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:54:15,357 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:54:15,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:54:15,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:54:15,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:54:15,358 INFO L87 Difference]: Start difference. First operand 253 states and 309 transitions. Second operand 6 states. [2018-10-26 21:54:15,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:54:15,683 INFO L93 Difference]: Finished difference Result 696 states and 875 transitions. [2018-10-26 21:54:15,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:54:15,684 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-10-26 21:54:15,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:54:15,687 INFO L225 Difference]: With dead ends: 696 [2018-10-26 21:54:15,687 INFO L226 Difference]: Without dead ends: 467 [2018-10-26 21:54:15,691 INFO L605 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 [2018-10-26 21:54:15,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-10-26 21:54:15,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 461. [2018-10-26 21:54:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-10-26 21:54:15,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 568 transitions. [2018-10-26 21:54:15,770 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 568 transitions. Word has length 58 [2018-10-26 21:54:15,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:54:15,770 INFO L481 AbstractCegarLoop]: Abstraction has 461 states and 568 transitions. [2018-10-26 21:54:15,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:54:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 568 transitions. [2018-10-26 21:54:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 21:54:15,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:54:15,774 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:54:15,774 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:54:15,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:54:15,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1931790243, now seen corresponding path program 1 times [2018-10-26 21:54:15,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:54:15,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:15,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:54:15,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:54:15,776 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:54:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:54:15,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:54:15,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:54:15,955 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:54:15,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:54:15,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:54:15,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:54:15,958 INFO L87 Difference]: Start difference. First operand 461 states and 568 transitions. Second operand 6 states. [2018-10-26 21:54:16,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:54:16,191 INFO L93 Difference]: Finished difference Result 753 states and 952 transitions. [2018-10-26 21:54:16,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:54:16,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-10-26 21:54:16,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:54:16,193 INFO L225 Difference]: With dead ends: 753 [2018-10-26 21:54:16,194 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:54:16,198 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:54:16,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:54:16,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:54:16,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:54:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:54:16,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-10-26 21:54:16,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:54:16,201 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:54:16,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:54:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:54:16,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:54:16,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:54:16,634 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 21:54:16,865 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 9 [2018-10-26 21:54:17,009 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-10-26 21:54:17,300 WARN L179 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 9 [2018-10-26 21:54:17,584 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 9 [2018-10-26 21:54:17,977 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 818 824) the Hoare annotation is: true [2018-10-26 21:54:17,977 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 818 824) no Hoare annotation was computed. [2018-10-26 21:54:17,978 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 825 833) no Hoare annotation was computed. [2018-10-26 21:54:17,978 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 825 833) the Hoare annotation is: true [2018-10-26 21:54:17,978 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 825 833) no Hoare annotation was computed. [2018-10-26 21:54:17,978 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 907 929) 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))) [2018-10-26 21:54:17,978 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 907 929) no Hoare annotation was computed. [2018-10-26 21:54:17,978 INFO L421 ceAbstractionStarter]: At program point L919(line 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 21:54:17,978 INFO L421 ceAbstractionStarter]: At program point L919-1(line 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 21:54:17,978 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 924) no Hoare annotation was computed. [2018-10-26 21:54:17,978 INFO L425 ceAbstractionStarter]: For program point L917-1(lines 917 924) no Hoare annotation was computed. [2018-10-26 21:54:17,978 INFO L425 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-10-26 21:54:17,979 INFO L421 ceAbstractionStarter]: At program point L914(line 914) 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))) [2018-10-26 21:54:17,979 INFO L421 ceAbstractionStarter]: At program point L913(line 913) 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))) [2018-10-26 21:54:17,979 INFO L421 ceAbstractionStarter]: At program point L913-1(line 913) 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))) [2018-10-26 21:54:17,979 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 907 929) no Hoare annotation was computed. [2018-10-26 21:54:17,979 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 754 768) no Hoare annotation was computed. [2018-10-26 21:54:17,979 INFO L421 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 21:54:17,979 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 764) no Hoare annotation was computed. [2018-10-26 21:54:17,979 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 754 768) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or (= ~systemActive~0 1) .cse0 (not (= |old(~systemActive~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0 (= |old(~systemActive~0)| 0)))) [2018-10-26 21:54:17,979 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 754 768) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 690 698) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 690 698) the Hoare annotation is: true [2018-10-26 21:54:17,980 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 690 698) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 735 753) the Hoare annotation is: true [2018-10-26 21:54:17,980 INFO L425 ceAbstractionStarter]: For program point L744(lines 744 748) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L428 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-10-26 21:54:17,980 INFO L425 ceAbstractionStarter]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 735 753) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L425 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 735 753) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 811 817) no Hoare annotation was computed. [2018-10-26 21:54:17,980 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 811 817) the Hoare annotation is: true [2018-10-26 21:54:17,980 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 897 906) 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))) [2018-10-26 21:54:17,981 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 897 906) no Hoare annotation was computed. [2018-10-26 21:54:17,981 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 897 906) no Hoare annotation was computed. [2018-10-26 21:54:17,981 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 679 689) the Hoare annotation is: true [2018-10-26 21:54:17,981 INFO L428 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: true [2018-10-26 21:54:17,981 INFO L425 ceAbstractionStarter]: For program point L684-1(line 684) no Hoare annotation was computed. [2018-10-26 21:54:17,981 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 679 689) no Hoare annotation was computed. [2018-10-26 21:54:17,981 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 679 689) no Hoare annotation was computed. [2018-10-26 21:54:17,981 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 671 678) the Hoare annotation is: true [2018-10-26 21:54:17,981 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 671 678) no Hoare annotation was computed. [2018-10-26 21:54:17,981 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 671 678) no Hoare annotation was computed. [2018-10-26 21:54:17,981 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 638 662) no Hoare annotation was computed. [2018-10-26 21:54:17,981 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 638 662) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,982 INFO L421 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,982 INFO L425 ceAbstractionStarter]: For program point L657-1(lines 638 662) no Hoare annotation was computed. [2018-10-26 21:54:17,982 INFO L421 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,982 INFO L421 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,982 INFO L425 ceAbstractionStarter]: For program point L646(lines 646 654) no Hoare annotation was computed. [2018-10-26 21:54:17,982 INFO L421 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,982 INFO L425 ceAbstractionStarter]: For program point L644-1(line 644) no Hoare annotation was computed. [2018-10-26 21:54:17,982 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 659) no Hoare annotation was computed. [2018-10-26 21:54:17,982 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 604 610) no Hoare annotation was computed. [2018-10-26 21:54:17,982 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 604 610) the Hoare annotation is: true [2018-10-26 21:54:17,982 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 558) no Hoare annotation was computed. [2018-10-26 21:54:17,982 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 505 570) 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))) [2018-10-26 21:54:17,983 INFO L421 ceAbstractionStarter]: At program point L537(line 537) 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))) [2018-10-26 21:54:17,983 INFO L425 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2018-10-26 21:54:17,983 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 505 570) no Hoare annotation was computed. [2018-10-26 21:54:17,983 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2018-10-26 21:54:17,983 INFO L421 ceAbstractionStarter]: At program point L560(lines 515 562) 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))) [2018-10-26 21:54:17,983 INFO L421 ceAbstractionStarter]: At program point L527(line 527) 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))) [2018-10-26 21:54:17,983 INFO L425 ceAbstractionStarter]: For program point L525(lines 525 531) no Hoare annotation was computed. [2018-10-26 21:54:17,983 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2018-10-26 21:54:17,983 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 521) no Hoare annotation was computed. [2018-10-26 21:54:17,983 INFO L425 ceAbstractionStarter]: For program point L515-1(lines 515 562) no Hoare annotation was computed. [2018-10-26 21:54:17,984 INFO L421 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))) [2018-10-26 21:54:17,984 INFO L421 ceAbstractionStarter]: At program point L553(line 553) 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))) [2018-10-26 21:54:17,984 INFO L425 ceAbstractionStarter]: For program point L551(lines 551 557) no Hoare annotation was computed. [2018-10-26 21:54:17,984 INFO L421 ceAbstractionStarter]: At program point L551-1(lines 545 558) 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))) [2018-10-26 21:54:17,984 INFO L425 ceAbstractionStarter]: For program point L516(lines 515 562) no Hoare annotation was computed. [2018-10-26 21:54:17,984 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 505 570) no Hoare annotation was computed. [2018-10-26 21:54:17,984 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-10-26 21:54:17,984 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-10-26 21:54:17,984 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-10-26 21:54:17,984 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:54:17,985 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 21:54:17,985 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:54:17,985 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 21:54:17,985 INFO L425 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-10-26 21:54:17,985 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-10-26 21:54:17,985 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2018-10-26 21:54:17,985 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2018-10-26 21:54:17,985 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2018-10-26 21:54:17,985 INFO L421 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) (not (= 0 |old(~pumpRunning~0)|))) [2018-10-26 21:54:17,985 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 580 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 21:54:17,986 INFO L421 ceAbstractionStarter]: At program point L591(lines 591 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 21:54:17,986 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 580 603) no Hoare annotation was computed. [2018-10-26 21:54:17,986 INFO L421 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 21:54:17,986 INFO L425 ceAbstractionStarter]: For program point L584(lines 583 602) no Hoare annotation was computed. [2018-10-26 21:54:17,986 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 580 603) no Hoare annotation was computed. [2018-10-26 21:54:17,986 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 836 865) no Hoare annotation was computed. [2018-10-26 21:54:17,986 INFO L428 ceAbstractionStarter]: At program point L861(lines 836 865) the Hoare annotation is: true [2018-10-26 21:54:17,986 INFO L425 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-10-26 21:54:17,986 INFO L425 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-10-26 21:54:17,986 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 836 865) the Hoare annotation is: true [2018-10-26 21:54:17,987 INFO L425 ceAbstractionStarter]: For program point L850(lines 850 854) no Hoare annotation was computed. [2018-10-26 21:54:17,987 INFO L428 ceAbstractionStarter]: At program point L850-1(lines 850 854) the Hoare annotation is: true [2018-10-26 21:54:17,987 INFO L425 ceAbstractionStarter]: For program point L846-1(lines 846 860) no Hoare annotation was computed. [2018-10-26 21:54:17,987 INFO L428 ceAbstractionStarter]: At program point L846-3(lines 846 860) the Hoare annotation is: true [2018-10-26 21:54:17,987 INFO L428 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: true [2018-10-26 21:54:17,987 INFO L425 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-10-26 21:54:17,987 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-10-26 21:54:17,987 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-10-26 21:54:17,987 INFO L425 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-10-26 21:54:17,987 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:54:17,988 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 21:54:17,988 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 21:54:17,988 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:54:17,988 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 890 896) no Hoare annotation was computed. [2018-10-26 21:54:17,988 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 890 896) the Hoare annotation is: true [2018-10-26 21:54:17,988 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-10-26 21:54:17,988 INFO L425 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-10-26 21:54:17,988 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2018-10-26 21:54:17,988 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 931 938) no Hoare annotation was computed. [2018-10-26 21:54:17,988 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2018-10-26 21:54:17,989 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 931 938) the Hoare annotation is: true [2018-10-26 21:54:17,989 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 931 938) no Hoare annotation was computed. [2018-10-26 21:54:17,989 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 771 795) the Hoare annotation is: true [2018-10-26 21:54:17,989 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 771 795) no Hoare annotation was computed. [2018-10-26 21:54:17,989 INFO L421 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 21:54:17,989 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 789) no Hoare annotation was computed. [2018-10-26 21:54:17,989 INFO L421 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 21:54:17,989 INFO L425 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-10-26 21:54:17,989 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 792) no Hoare annotation was computed. [2018-10-26 21:54:17,989 INFO L425 ceAbstractionStarter]: For program point L779-1(lines 771 795) no Hoare annotation was computed. [2018-10-26 21:54:17,990 INFO L428 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2018-10-26 21:54:17,990 INFO L425 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-10-26 21:54:17,990 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 612 636) no Hoare annotation was computed. [2018-10-26 21:54:17,990 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 612 636) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,990 INFO L421 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,990 INFO L425 ceAbstractionStarter]: For program point L631-1(lines 612 636) no Hoare annotation was computed. [2018-10-26 21:54:17,990 INFO L421 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,990 INFO L421 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,990 INFO L425 ceAbstractionStarter]: For program point L620(lines 620 628) no Hoare annotation was computed. [2018-10-26 21:54:17,990 INFO L421 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:54:17,990 INFO L425 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-10-26 21:54:17,991 INFO L425 ceAbstractionStarter]: For program point L616(lines 616 633) no Hoare annotation was computed. [2018-10-26 21:54:18,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:54:18 BoogieIcfgContainer [2018-10-26 21:54:18,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:54:18,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:54:18,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:54:18,001 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:54:18,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:13" (3/4) ... [2018-10-26 21:54:18,005 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:54:18,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 21:54:18,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 21:54:18,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 21:54:18,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 21:54:18,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 21:54:18,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 21:54:18,011 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 21:54:18,012 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 21:54:18,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 21:54:18,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 21:54:18,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 21:54:18,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 21:54:18,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 21:54:18,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 21:54:18,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 21:54:18,023 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-26 21:54:18,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 21:54:18,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 21:54:18,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 21:54:18,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 21:54:18,134 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_511b0a9f-e517-4518-8c5c-6a6f28daee54/bin-2019/utaipan/witness.graphml [2018-10-26 21:54:18,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:54:18,135 INFO L168 Benchmark]: Toolchain (without parser) took 7071.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -98.8 MB). Peak memory consumption was 119.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:18,136 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. [2018-10-26 21:54:18,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -195.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:18,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:18,137 INFO L168 Benchmark]: Boogie Preprocessor took 47.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:18,138 INFO L168 Benchmark]: RCFGBuilder took 1307.50 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: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:18,138 INFO L168 Benchmark]: TraceAbstraction took 4828.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.5 MB). Peak memory consumption was 227.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:18,138 INFO L168 Benchmark]: Witness Printer took 132.95 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:18,140 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 690.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -195.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1307.50 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: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4828.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.5 MB). Peak memory consumption was 227.4 MB. Max. memory is 11.5 GB. * Witness Printer took 132.95 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: 10.1 MB). Peak memory consumption was 10.1 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: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 140 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 718 SDtfs, 405 SDslu, 1436 SDs, 0 SdLazy, 344 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=461occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 582 PreInvPairs, 627 NumberOfFragments, 525 HoareAnnotationTreeSize, 582 FomulaSimplifications, 316 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 1768 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 23485 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...