./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26_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_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/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 9a9facaada73db60539ede7a668b71ce2a4ae420 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:59:40,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:59:40,948 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:59:40,957 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:59:40,957 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:59:40,958 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:59:40,959 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:59:40,960 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:59:40,961 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:59:40,962 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:59:40,963 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:59:40,963 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:59:40,963 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:59:40,964 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:59:40,965 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:59:40,965 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:59:40,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:59:40,967 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:59:40,969 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:59:40,970 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:59:40,971 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:59:40,972 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:59:40,973 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:59:40,974 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:59:40,974 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:59:40,975 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:59:40,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:59:40,976 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:59:40,977 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:59:40,977 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:59:40,978 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:59:40,978 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:59:40,978 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:59:40,978 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:59:40,979 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:59:40,980 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:59:40,980 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:59:40,992 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:59:40,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:59:40,993 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:59:40,993 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:59:40,993 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:59:40,993 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:59:40,993 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:59:40,993 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:59:40,994 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:59:40,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:59:40,994 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:59:40,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:59:40,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:59:40,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:59:40,995 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:59:40,995 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:59:40,995 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:59:40,995 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:59:40,996 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:59:40,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:59:40,996 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:59:40,996 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:59:40,996 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:59:40,996 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:59:40,996 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:59:40,997 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:59:40,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:59:40,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:59:40,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:59:40,997 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:59:40,997 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:59:40,997 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:59:40,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:59:40,998 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:59:40,998 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_15411256-fba6-405f-a43e-9ad745649bf9/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 -> 9a9facaada73db60539ede7a668b71ce2a4ae420 [2018-10-26 21:59:41,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:59:41,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:59:41,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:59:41,041 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:59:41,042 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:59:41,042 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-10-26 21:59:41,085 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/data/ad55d022d/782790093a2d46fab85233bc15239f3a/FLAG645e06bda [2018-10-26 21:59:41,524 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:59:41,525 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-10-26 21:59:41,535 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/data/ad55d022d/782790093a2d46fab85233bc15239f3a/FLAG645e06bda [2018-10-26 21:59:41,548 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/data/ad55d022d/782790093a2d46fab85233bc15239f3a [2018-10-26 21:59:41,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:59:41,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:59:41,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:59:41,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:59:41,556 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:59:41,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:41,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2497a513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41, skipping insertion in model container [2018-10-26 21:59:41,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:41,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:59:41,611 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:59:41,835 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:59:41,851 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:59:41,923 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:59:41,957 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:59:41,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41 WrapperNode [2018-10-26 21:59:41,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:59:41,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:59:41,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:59:41,959 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:59:41,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:41,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:42,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:59:42,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:59:42,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:59:42,115 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:59:42,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:42,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:42,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:42,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:42,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:42,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:42,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... [2018-10-26 21:59:42,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:59:42,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:59:42,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:59:42,152 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:59:42,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/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 21:59:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 21:59:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 21:59:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:59:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:59:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 21:59:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 21:59:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 21:59:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 21:59:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 21:59:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 21:59:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 21:59:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 21:59:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 21:59:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 21:59:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 21:59:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 21:59:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-10-26 21:59:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-10-26 21:59:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-10-26 21:59:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-10-26 21:59:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 21:59:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 21:59:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 21:59:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 21:59:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 21:59:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 21:59:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 21:59:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 21:59:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 21:59:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 21:59:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 21:59:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 21:59:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 21:59:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 21:59:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 21:59:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 21:59:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 21:59:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 21:59:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 21:59:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 21:59:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 21:59:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 21:59:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:59:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:59:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 21:59:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 21:59:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:59:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:59:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 21:59:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 21:59:43,128 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:59:43,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:43 BoogieIcfgContainer [2018-10-26 21:59:43,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:59:43,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:59:43,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:59:43,134 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:59:43,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:59:41" (1/3) ... [2018-10-26 21:59:43,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4875882c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:59:43, skipping insertion in model container [2018-10-26 21:59:43,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:41" (2/3) ... [2018-10-26 21:59:43,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4875882c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:59:43, skipping insertion in model container [2018-10-26 21:59:43,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:43" (3/3) ... [2018-10-26 21:59:43,138 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-10-26 21:59:43,149 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:59:43,156 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:59:43,170 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:59:43,195 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:59:43,195 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:59:43,195 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:59:43,195 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:59:43,196 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:59:43,196 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:59:43,196 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:59:43,196 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:59:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-10-26 21:59:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 21:59:43,223 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:43,224 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] [2018-10-26 21:59:43,226 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:43,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:43,233 INFO L82 PathProgramCache]: Analyzing trace with hash 225648550, now seen corresponding path program 1 times [2018-10-26 21:59:43,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:43,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:43,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:43,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:43,274 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:43,465 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 21:59:43,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:43,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 21:59:43,468 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:43,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 21:59:43,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 21:59:43,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 21:59:43,488 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-10-26 21:59:43,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:43,522 INFO L93 Difference]: Finished difference Result 226 states and 279 transitions. [2018-10-26 21:59:43,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 21:59:43,525 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-10-26 21:59:43,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:43,539 INFO L225 Difference]: With dead ends: 226 [2018-10-26 21:59:43,540 INFO L226 Difference]: Without dead ends: 115 [2018-10-26 21:59:43,543 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 21:59:43,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-26 21:59:43,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-10-26 21:59:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-26 21:59:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2018-10-26 21:59:43,596 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 51 [2018-10-26 21:59:43,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:43,598 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2018-10-26 21:59:43,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 21:59:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2018-10-26 21:59:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 21:59:43,601 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:43,601 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:59:43,602 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:43,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:43,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1044195297, now seen corresponding path program 1 times [2018-10-26 21:59:43,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:43,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:43,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:43,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:43,606 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:43,778 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 21:59:43,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:43,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:59:43,779 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:43,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:59:43,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:59:43,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:59:43,781 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 3 states. [2018-10-26 21:59:43,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:43,812 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2018-10-26 21:59:43,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:59:43,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-10-26 21:59:43,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:43,815 INFO L225 Difference]: With dead ends: 169 [2018-10-26 21:59:43,815 INFO L226 Difference]: Without dead ends: 105 [2018-10-26 21:59:43,816 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 21:59:43,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-26 21:59:43,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-10-26 21:59:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-10-26 21:59:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2018-10-26 21:59:43,832 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2018-10-26 21:59:43,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:43,833 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2018-10-26 21:59:43,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:59:43,833 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2018-10-26 21:59:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 21:59:43,839 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:43,840 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 21:59:43,840 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:43,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:43,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1586154117, now seen corresponding path program 1 times [2018-10-26 21:59:43,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:43,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:43,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:43,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:43,842 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:44,245 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 21:59:44,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:44,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 21:59:44,246 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:44,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:59:44,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:59:44,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:59:44,247 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 7 states. [2018-10-26 21:59:45,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:45,115 INFO L93 Difference]: Finished difference Result 182 states and 213 transitions. [2018-10-26 21:59:45,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:59:45,117 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-10-26 21:59:45,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:45,119 INFO L225 Difference]: With dead ends: 182 [2018-10-26 21:59:45,119 INFO L226 Difference]: Without dead ends: 105 [2018-10-26 21:59:45,120 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 21:59:45,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-26 21:59:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-10-26 21:59:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-10-26 21:59:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2018-10-26 21:59:45,130 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2018-10-26 21:59:45,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:45,130 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2018-10-26 21:59:45,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:59:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2018-10-26 21:59:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 21:59:45,132 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:45,132 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:59:45,132 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:45,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:45,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1468019358, now seen corresponding path program 1 times [2018-10-26 21:59:45,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:45,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:45,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:45,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:45,134 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:45,390 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 21:59:45,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:45,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:59:45,391 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:45,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:59:45,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:59:45,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:59:45,392 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 6 states. [2018-10-26 21:59:45,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:45,870 INFO L93 Difference]: Finished difference Result 251 states and 296 transitions. [2018-10-26 21:59:45,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:59:45,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-10-26 21:59:45,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:45,873 INFO L225 Difference]: With dead ends: 251 [2018-10-26 21:59:45,873 INFO L226 Difference]: Without dead ends: 174 [2018-10-26 21:59:45,873 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:59:45,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-10-26 21:59:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2018-10-26 21:59:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-10-26 21:59:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 198 transitions. [2018-10-26 21:59:45,893 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 198 transitions. Word has length 66 [2018-10-26 21:59:45,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:45,893 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 198 transitions. [2018-10-26 21:59:45,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:59:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 198 transitions. [2018-10-26 21:59:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 21:59:45,896 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:45,896 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:59:45,896 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:45,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:45,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1148006082, now seen corresponding path program 1 times [2018-10-26 21:59:45,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:45,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:45,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:45,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:45,898 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:46,231 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 21:59:46,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:46,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 21:59:46,231 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:46,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:59:46,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:59:46,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:59:46,232 INFO L87 Difference]: Start difference. First operand 172 states and 198 transitions. Second operand 7 states. [2018-10-26 21:59:47,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:47,095 INFO L93 Difference]: Finished difference Result 270 states and 319 transitions. [2018-10-26 21:59:47,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:59:47,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-10-26 21:59:47,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:47,096 INFO L225 Difference]: With dead ends: 270 [2018-10-26 21:59:47,097 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:59:47,098 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:59:47,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:59:47,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:59:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:59:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:59:47,099 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-10-26 21:59:47,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:47,099 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:59:47,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:59:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:59:47,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:59:47,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:59:47,652 WARN L179 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-10-26 21:59:47,887 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-26 21:59:47,995 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-10-26 21:59:48,634 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-10-26 21:59:48,635 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-10-26 21:59:48,635 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-10-26 21:59:48,635 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-10-26 21:59:48,635 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-10-26 21:59:48,635 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 198 220) 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))) [2018-10-26 21:59:48,635 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 198 220) no Hoare annotation was computed. [2018-10-26 21:59:48,636 INFO L421 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-26 21:59:48,636 INFO L421 ceAbstractionStarter]: At program point L210-1(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-26 21:59:48,636 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 215) no Hoare annotation was computed. [2018-10-26 21:59:48,636 INFO L425 ceAbstractionStarter]: For program point L208-1(lines 208 215) no Hoare annotation was computed. [2018-10-26 21:59:48,636 INFO L425 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-10-26 21:59:48,636 INFO L421 ceAbstractionStarter]: At program point L205(line 205) 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))) [2018-10-26 21:59:48,636 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 198 220) no Hoare annotation was computed. [2018-10-26 21:59:48,637 INFO L421 ceAbstractionStarter]: At program point L204(line 204) 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))) [2018-10-26 21:59:48,637 INFO L421 ceAbstractionStarter]: At program point L204-1(line 204) 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))) [2018-10-26 21:59:48,637 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 798 806) no Hoare annotation was computed. [2018-10-26 21:59:48,637 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 798 806) the Hoare annotation is: true [2018-10-26 21:59:48,637 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 798 806) no Hoare annotation was computed. [2018-10-26 21:59:48,637 INFO L425 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2018-10-26 21:59:48,637 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 843 861) the Hoare annotation is: true [2018-10-26 21:59:48,637 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 843 861) no Hoare annotation was computed. [2018-10-26 21:59:48,637 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 856) no Hoare annotation was computed. [2018-10-26 21:59:48,638 INFO L428 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2018-10-26 21:59:48,638 INFO L425 ceAbstractionStarter]: For program point L852-2(lines 852 856) no Hoare annotation was computed. [2018-10-26 21:59:48,638 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 843 861) no Hoare annotation was computed. [2018-10-26 21:59:48,638 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-10-26 21:59:48,644 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-10-26 21:59:48,645 INFO L421 ceAbstractionStarter]: At program point L192(line 192) 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))) [2018-10-26 21:59:48,645 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 187 197) 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))) [2018-10-26 21:59:48,645 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 187 197) no Hoare annotation was computed. [2018-10-26 21:59:48,645 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 187 197) no Hoare annotation was computed. [2018-10-26 21:59:48,645 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 779 786) the Hoare annotation is: true [2018-10-26 21:59:48,645 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 779 786) no Hoare annotation was computed. [2018-10-26 21:59:48,645 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 779 786) no Hoare annotation was computed. [2018-10-26 21:59:48,645 INFO L425 ceAbstractionStarter]: For program point L736(lines 736 744) no Hoare annotation was computed. [2018-10-26 21:59:48,646 INFO L421 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,646 INFO L425 ceAbstractionStarter]: For program point L734-1(line 734) no Hoare annotation was computed. [2018-10-26 21:59:48,646 INFO L425 ceAbstractionStarter]: For program point L732(lines 732 749) no Hoare annotation was computed. [2018-10-26 21:59:48,646 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 728 752) no Hoare annotation was computed. [2018-10-26 21:59:48,646 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 728 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,646 INFO L421 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,646 INFO L425 ceAbstractionStarter]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2018-10-26 21:59:48,646 INFO L421 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,646 INFO L421 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,647 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2018-10-26 21:59:48,647 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2018-10-26 21:59:48,647 INFO L421 ceAbstractionStarter]: At program point L929(lines 880 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 21:59:48,647 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 871 936) 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))) [2018-10-26 21:59:48,647 INFO L425 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2018-10-26 21:59:48,647 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 871 936) no Hoare annotation was computed. [2018-10-26 21:59:48,647 INFO L421 ceAbstractionStarter]: At program point L919-2(lines 911 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:48,647 INFO L425 ceAbstractionStarter]: For program point L882(lines 881 928) no Hoare annotation was computed. [2018-10-26 21:59:48,648 INFO L421 ceAbstractionStarter]: At program point L913(line 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:48,648 INFO L425 ceAbstractionStarter]: For program point L911(lines 911 924) no Hoare annotation was computed. [2018-10-26 21:59:48,648 INFO L421 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:48,648 INFO L425 ceAbstractionStarter]: For program point L901(lines 901 907) no Hoare annotation was computed. [2018-10-26 21:59:48,648 INFO L425 ceAbstractionStarter]: For program point L901-1(lines 901 907) no Hoare annotation was computed. [2018-10-26 21:59:48,648 INFO L421 ceAbstractionStarter]: At program point L926(lines 881 928) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:48,648 INFO L421 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:48,648 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point L891-1(lines 891 897) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point L883(lines 883 887) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point L881-1(lines 881 928) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 871 936) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 305 313) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 305 313) the Hoare annotation is: true [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 305 313) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 90 118) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L428 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: true [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 90 118) the Hoare annotation is: true [2018-10-26 21:59:48,649 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 112) no Hoare annotation was computed. [2018-10-26 21:59:48,649 INFO L421 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 21:59:48,650 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 90 118) no Hoare annotation was computed. [2018-10-26 21:59:48,650 INFO L425 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-10-26 21:59:48,650 INFO L425 ceAbstractionStarter]: For program point L98(lines 98 115) no Hoare annotation was computed. [2018-10-26 21:59:48,650 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 82 89) the Hoare annotation is: true [2018-10-26 21:59:48,650 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 82 89) no Hoare annotation was computed. [2018-10-26 21:59:48,650 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 82 89) no Hoare annotation was computed. [2018-10-26 21:59:48,654 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:59:48,654 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 21:59:48,654 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:59:48,654 INFO L425 ceAbstractionStarter]: For program point L256-1(lines 252 263) no Hoare annotation was computed. [2018-10-26 21:59:48,654 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 252 263) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 21:59:48,655 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 252 263) no Hoare annotation was computed. [2018-10-26 21:59:48,655 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 264 272) the Hoare annotation is: true [2018-10-26 21:59:48,655 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 264 272) no Hoare annotation was computed. [2018-10-26 21:59:48,655 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 264 272) no Hoare annotation was computed. [2018-10-26 21:59:48,655 INFO L428 ceAbstractionStarter]: At program point L132-3(lines 132 146) the Hoare annotation is: true [2018-10-26 21:59:48,655 INFO L428 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: true [2018-10-26 21:59:48,655 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 122 151) no Hoare annotation was computed. [2018-10-26 21:59:48,655 INFO L425 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-10-26 21:59:48,655 INFO L428 ceAbstractionStarter]: At program point L147(lines 122 151) the Hoare annotation is: true [2018-10-26 21:59:48,655 INFO L425 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2018-10-26 21:59:48,655 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-26 21:59:48,656 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 122 151) the Hoare annotation is: true [2018-10-26 21:59:48,656 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 140) no Hoare annotation was computed. [2018-10-26 21:59:48,656 INFO L428 ceAbstractionStarter]: At program point L136-1(lines 136 140) the Hoare annotation is: true [2018-10-26 21:59:48,656 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 132 146) no Hoare annotation was computed. [2018-10-26 21:59:48,656 INFO L421 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,656 INFO L425 ceAbstractionStarter]: For program point L700(lines 699 718) no Hoare annotation was computed. [2018-10-26 21:59:48,656 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 696 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,656 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2018-10-26 21:59:48,656 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2018-10-26 21:59:48,656 INFO L421 ceAbstractionStarter]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,656 INFO L421 ceAbstractionStarter]: At program point L707(lines 707 713) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 21:59:48,657 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 228 239) the Hoare annotation is: true [2018-10-26 21:59:48,657 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 228 239) no Hoare annotation was computed. [2018-10-26 21:59:48,657 INFO L425 ceAbstractionStarter]: For program point L232-1(lines 228 239) no Hoare annotation was computed. [2018-10-26 21:59:48,657 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:59:48,657 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 21:59:48,657 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 21:59:48,657 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:59:48,657 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 179 185) no Hoare annotation was computed. [2018-10-26 21:59:48,657 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 179 185) the Hoare annotation is: true [2018-10-26 21:59:48,657 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 862 869) no Hoare annotation was computed. [2018-10-26 21:59:48,658 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 862 869) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:48,658 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 862 869) no Hoare annotation was computed. [2018-10-26 21:59:48,658 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 240 251) no Hoare annotation was computed. [2018-10-26 21:59:48,658 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 240 251) the Hoare annotation is: true [2018-10-26 21:59:48,658 INFO L425 ceAbstractionStarter]: For program point L244-1(lines 240 251) no Hoare annotation was computed. [2018-10-26 21:59:48,663 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 315 322) no Hoare annotation was computed. [2018-10-26 21:59:48,663 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 315 322) the Hoare annotation is: true [2018-10-26 21:59:48,664 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 315 322) no Hoare annotation was computed. [2018-10-26 21:59:48,664 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2018-10-26 21:59:48,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:59:48 BoogieIcfgContainer [2018-10-26 21:59:48,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:59:48,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:59:48,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:59:48,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:59:48,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:43" (3/4) ... [2018-10-26 21:59:48,691 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:59:48,698 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 21:59:48,698 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 21:59:48,698 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 21:59:48,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-10-26 21:59:48,700 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-10-26 21:59:48,700 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 21:59:48,700 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 21:59:48,700 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 21:59:48,700 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 21:59:48,700 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 21:59:48,700 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 21:59:48,701 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 21:59:48,701 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 21:59:48,701 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 21:59:48,701 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 21:59:48,718 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-26 21:59:48,719 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 21:59:48,719 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 21:59:48,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-10-26 21:59:48,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 21:59:48,834 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_15411256-fba6-405f-a43e-9ad745649bf9/bin-2019/utaipan/witness.graphml [2018-10-26 21:59:48,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:59:48,836 INFO L168 Benchmark]: Toolchain (without parser) took 7284.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 960.7 MB in the beginning and 966.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 138.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:48,836 INFO L168 Benchmark]: CDTParser took 0.21 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 21:59:48,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.47 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:48,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:48,837 INFO L168 Benchmark]: Boogie Preprocessor took 37.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:48,837 INFO L168 Benchmark]: RCFGBuilder took 976.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:48,838 INFO L168 Benchmark]: TraceAbstraction took 5544.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 977.3 MB in the end (delta: 70.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:48,841 INFO L168 Benchmark]: Witness Printer took 149.81 ms. Allocated memory is still 1.2 GB. Free memory was 977.3 MB in the beginning and 966.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:48,843 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 404.47 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 155.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 976.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5544.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 977.3 MB in the end (delta: 70.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 11.5 GB. * Witness Printer took 149.81 ms. Allocated memory is still 1.2 GB. Free memory was 977.3 MB in the beginning and 966.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 319]: 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: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 128 locations, 1 error locations. SAFE Result, 5.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 576 SDtfs, 274 SDslu, 897 SDs, 0 SdLazy, 335 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 233 PreInvPairs, 248 NumberOfFragments, 523 HoareAnnotationTreeSize, 233 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 32705 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...