./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/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 7c153dfe33f87015b278f995b6c1e5c6fbcf815b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:08:56,795 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:08:56,795 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:08:56,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:08:56,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:08:56,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:08:56,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:08:56,804 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:08:56,805 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:08:56,806 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:08:56,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:08:56,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:08:56,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:08:56,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:08:56,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:08:56,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:08:56,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:08:56,810 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:08:56,811 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:08:56,812 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:08:56,813 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:08:56,813 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:08:56,815 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:08:56,815 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:08:56,815 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:08:56,816 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:08:56,816 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:08:56,817 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:08:56,817 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:08:56,817 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:08:56,818 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:08:56,818 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:08:56,818 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:08:56,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:08:56,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:08:56,819 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:08:56,819 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:08:56,827 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:08:56,827 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:08:56,827 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:08:56,828 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:08:56,828 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:08:56,828 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:08:56,828 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:08:56,828 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:08:56,828 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:08:56,828 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:08:56,829 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:08:56,829 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:08:56,829 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:08:56,829 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:08:56,829 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:08:56,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:08:56,830 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:08:56,830 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:08:56,830 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:08:56,830 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:08:56,830 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:08:56,830 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:08:56,831 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:08:56,831 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:08:56,831 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:08:56,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:08:56,831 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:08:56,831 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:08:56,831 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:08:56,831 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:08:56,832 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:08:56,832 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:08:56,832 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:08:56,832 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:08:56,832 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:08:56,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:08:56,832 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:08:56,833 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_24cf093c-dd58-4dde-93ae-fed8318bc5c1/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 -> 7c153dfe33f87015b278f995b6c1e5c6fbcf815b [2018-11-23 07:08:56,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:08:56,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:08:56,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:08:56,869 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:08:56,869 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:08:56,869 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-23 07:08:56,917 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/data/e41d31e63/98888aec8ff84bb4bf56b5dd55144572/FLAG4a1b9254c [2018-11-23 07:08:57,249 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:08:57,250 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-23 07:08:57,256 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/data/e41d31e63/98888aec8ff84bb4bf56b5dd55144572/FLAG4a1b9254c [2018-11-23 07:08:57,268 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/data/e41d31e63/98888aec8ff84bb4bf56b5dd55144572 [2018-11-23 07:08:57,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:08:57,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:08:57,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:08:57,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:08:57,275 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:08:57,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f66bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57, skipping insertion in model container [2018-11-23 07:08:57,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:08:57,320 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:08:57,529 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:08:57,538 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:08:57,646 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:08:57,667 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:08:57,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57 WrapperNode [2018-11-23 07:08:57,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:08:57,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:08:57,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:08:57,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:08:57,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:08:57,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:08:57,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:08:57,697 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:08:57,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... [2018-11-23 07:08:57,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:08:57,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:08:57,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:08:57,727 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:08:57,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:08:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:08:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:08:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:08:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:08:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 07:08:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 07:08:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 07:08:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 07:08:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:08:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:08:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:08:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:08:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:08:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:08:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:08:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:08:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:08:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 07:08:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 07:08:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 07:08:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 07:08:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:08:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:08:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:08:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:08:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:08:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:08:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:08:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:08:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 07:08:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 07:08:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:08:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:08:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:08:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:08:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:08:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:08:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:08:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:08:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:08:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:08:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:08:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:08:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:08:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:08:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:08:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:08:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:08:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:08:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 07:08:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 07:08:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:08:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:08:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:08:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:08:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:08:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:08:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:08:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:08:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:08:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:08:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:08:58,149 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:08:58,149 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:08:58,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:58 BoogieIcfgContainer [2018-11-23 07:08:58,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:08:58,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:08:58,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:08:58,152 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:08:58,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:08:57" (1/3) ... [2018-11-23 07:08:58,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6858c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:08:58, skipping insertion in model container [2018-11-23 07:08:58,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:57" (2/3) ... [2018-11-23 07:08:58,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6858c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:08:58, skipping insertion in model container [2018-11-23 07:08:58,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:58" (3/3) ... [2018-11-23 07:08:58,156 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-23 07:08:58,162 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:08:58,168 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:08:58,177 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:08:58,199 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:08:58,200 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:08:58,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:08:58,200 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:08:58,200 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:08:58,200 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:08:58,200 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:08:58,200 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:08:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-11-23 07:08:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:08:58,222 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:58,222 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:58,224 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:58,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:58,228 INFO L82 PathProgramCache]: Analyzing trace with hash 2070466910, now seen corresponding path program 1 times [2018-11-23 07:08:58,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:58,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:58,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:58,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:58,259 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:58,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:08:58,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:08:58,413 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:58,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:08:58,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:08:58,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:08:58,426 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-11-23 07:08:58,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:58,455 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-11-23 07:08:58,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:08:58,457 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 07:08:58,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:58,467 INFO L225 Difference]: With dead ends: 280 [2018-11-23 07:08:58,467 INFO L226 Difference]: Without dead ends: 142 [2018-11-23 07:08:58,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:08:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-23 07:08:58,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-23 07:08:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-23 07:08:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2018-11-23 07:08:58,509 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2018-11-23 07:08:58,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:58,510 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2018-11-23 07:08:58,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:08:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2018-11-23 07:08:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 07:08:58,513 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:58,513 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:58,513 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:58,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:58,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1084624739, now seen corresponding path program 1 times [2018-11-23 07:08:58,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:58,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:58,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:58,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:58,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:58,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:08:58,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:08:58,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:58,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:08:58,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:08:58,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:08:58,585 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states. [2018-11-23 07:08:58,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:58,603 INFO L93 Difference]: Finished difference Result 219 states and 257 transitions. [2018-11-23 07:08:58,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:08:58,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 07:08:58,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:58,605 INFO L225 Difference]: With dead ends: 219 [2018-11-23 07:08:58,605 INFO L226 Difference]: Without dead ends: 133 [2018-11-23 07:08:58,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:08:58,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-23 07:08:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-23 07:08:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 07:08:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2018-11-23 07:08:58,618 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2018-11-23 07:08:58,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:58,618 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2018-11-23 07:08:58,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:08:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2018-11-23 07:08:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:08:58,620 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:58,620 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:58,621 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:58,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:58,621 INFO L82 PathProgramCache]: Analyzing trace with hash 977612834, now seen corresponding path program 1 times [2018-11-23 07:08:58,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:58,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:58,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:58,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:58,622 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:58,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:08:58,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:08:58,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:58,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:08:58,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:08:58,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:08:58,741 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 7 states. [2018-11-23 07:08:59,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:59,055 INFO L93 Difference]: Finished difference Result 399 states and 485 transitions. [2018-11-23 07:08:59,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:08:59,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 07:08:59,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:59,057 INFO L225 Difference]: With dead ends: 399 [2018-11-23 07:08:59,058 INFO L226 Difference]: Without dead ends: 294 [2018-11-23 07:08:59,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:08:59,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-23 07:08:59,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 282. [2018-11-23 07:08:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-23 07:08:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2018-11-23 07:08:59,089 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 65 [2018-11-23 07:08:59,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:59,089 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2018-11-23 07:08:59,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:08:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2018-11-23 07:08:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 07:08:59,092 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:08:59,092 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:08:59,092 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:08:59,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:59,092 INFO L82 PathProgramCache]: Analyzing trace with hash 457844054, now seen corresponding path program 1 times [2018-11-23 07:08:59,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:08:59,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:59,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:08:59,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:08:59,094 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:08:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:08:59,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:08:59,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:08:59,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:08:59,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:08:59,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:08:59,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:08:59,181 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand 7 states. [2018-11-23 07:08:59,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:08:59,393 INFO L93 Difference]: Finished difference Result 456 states and 571 transitions. [2018-11-23 07:08:59,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:08:59,395 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 07:08:59,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:08:59,395 INFO L225 Difference]: With dead ends: 456 [2018-11-23 07:08:59,396 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:08:59,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:08:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:08:59,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:08:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:08:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:08:59,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-23 07:08:59,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:08:59,399 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:08:59,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:08:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:08:59,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:08:59,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:08:59,883 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 258 264) the Hoare annotation is: true [2018-11-23 07:08:59,883 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 258 264) no Hoare annotation was computed. [2018-11-23 07:08:59,883 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 265 273) no Hoare annotation was computed. [2018-11-23 07:08:59,883 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 265 273) the Hoare annotation is: true [2018-11-23 07:08:59,883 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 265 273) no Hoare annotation was computed. [2018-11-23 07:08:59,883 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 923 930) the Hoare annotation is: true [2018-11-23 07:08:59,883 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 923 930) no Hoare annotation was computed. [2018-11-23 07:08:59,883 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 923 930) no Hoare annotation was computed. [2018-11-23 07:08:59,883 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 931 940) the Hoare annotation is: true [2018-11-23 07:08:59,884 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 931 940) no Hoare annotation was computed. [2018-11-23 07:08:59,884 INFO L448 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2018-11-23 07:08:59,884 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 931 940) no Hoare annotation was computed. [2018-11-23 07:08:59,884 INFO L444 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 07:08:59,884 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2018-11-23 07:08:59,884 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 963) no Hoare annotation was computed. [2018-11-23 07:08:59,884 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-11-23 07:08:59,884 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-11-23 07:08:59,884 INFO L448 ceAbstractionStarter]: For program point L949(lines 949 966) no Hoare annotation was computed. [2018-11-23 07:08:59,885 INFO L448 ceAbstractionStarter]: For program point L949-1(lines 941 969) no Hoare annotation was computed. [2018-11-23 07:08:59,885 INFO L451 ceAbstractionStarter]: At program point L947(line 947) the Hoare annotation is: true [2018-11-23 07:08:59,885 INFO L448 ceAbstractionStarter]: For program point L947-1(line 947) no Hoare annotation was computed. [2018-11-23 07:08:59,885 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 941 969) the Hoare annotation is: true [2018-11-23 07:08:59,885 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 941 969) no Hoare annotation was computed. [2018-11-23 07:08:59,885 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,885 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,886 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,886 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,886 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-23 07:08:59,886 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-23 07:08:59,886 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,886 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,886 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-23 07:08:59,886 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-23 07:08:59,886 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 07:08:59,887 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 462 476) no Hoare annotation was computed. [2018-11-23 07:08:59,887 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 462 476) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 07:08:59,887 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 462 476) no Hoare annotation was computed. [2018-11-23 07:08:59,887 INFO L444 ceAbstractionStarter]: At program point L468(line 468) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 07:08:59,887 INFO L448 ceAbstractionStarter]: For program point L466(lines 466 472) no Hoare annotation was computed. [2018-11-23 07:08:59,887 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-23 07:08:59,887 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-11-23 07:08:59,887 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-23 07:08:59,888 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-23 07:08:59,888 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-11-23 07:08:59,888 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-11-23 07:08:59,888 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-11-23 07:08:59,888 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-23 07:08:59,888 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-11-23 07:08:59,888 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-11-23 07:08:59,888 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 251 257) no Hoare annotation was computed. [2018-11-23 07:08:59,888 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 251 257) the Hoare annotation is: true [2018-11-23 07:08:59,888 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,889 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,889 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-23 07:08:59,889 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-23 07:08:59,889 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-11-23 07:08:59,889 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-11-23 07:08:59,889 INFO L451 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-11-23 07:08:59,889 INFO L448 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-11-23 07:08:59,889 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-11-23 07:08:59,889 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: true [2018-11-23 07:08:59,889 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-11-23 07:08:59,889 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-11-23 07:08:59,890 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:08:59,890 INFO L448 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-11-23 07:08:59,890 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2018-11-23 07:08:59,890 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2018-11-23 07:08:59,890 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 07:08:59,890 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 07:08:59,890 INFO L448 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2018-11-23 07:08:59,890 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:08:59,890 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:08:59,891 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2018-11-23 07:08:59,891 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 312 318) no Hoare annotation was computed. [2018-11-23 07:08:59,891 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 312 318) the Hoare annotation is: true [2018-11-23 07:08:59,891 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 486 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,891 INFO L444 ceAbstractionStarter]: At program point L543(lines 496 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:08:59,891 INFO L444 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:08:59,891 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-11-23 07:08:59,891 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2018-11-23 07:08:59,891 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 486 553) no Hoare annotation was computed. [2018-11-23 07:08:59,891 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2018-11-23 07:08:59,892 INFO L444 ceAbstractionStarter]: At program point L546(lines 495 547) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:08:59,892 INFO L444 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:08:59,892 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-23 07:08:59,892 INFO L444 ceAbstractionStarter]: At program point L534-1(lines 526 541) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:08:59,892 INFO L448 ceAbstractionStarter]: For program point L497(lines 496 545) no Hoare annotation was computed. [2018-11-23 07:08:59,892 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:08:59,892 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 541) no Hoare annotation was computed. [2018-11-23 07:08:59,892 INFO L444 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 522) no Hoare annotation was computed. [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 486 553) no Hoare annotation was computed. [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 230 238) no Hoare annotation was computed. [2018-11-23 07:08:59,893 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 230 238) the Hoare annotation is: true [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 230 238) no Hoare annotation was computed. [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:08:59,893 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:08:59,893 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 221 229) the Hoare annotation is: true [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 221 229) no Hoare annotation was computed. [2018-11-23 07:08:59,893 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 221 229) no Hoare annotation was computed. [2018-11-23 07:08:59,894 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 177 188) the Hoare annotation is: true [2018-11-23 07:08:59,894 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 177 188) no Hoare annotation was computed. [2018-11-23 07:08:59,894 INFO L448 ceAbstractionStarter]: For program point L181-1(lines 177 188) no Hoare annotation was computed. [2018-11-23 07:08:59,894 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 189 197) the Hoare annotation is: true [2018-11-23 07:08:59,894 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 189 197) no Hoare annotation was computed. [2018-11-23 07:08:59,894 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 189 197) no Hoare annotation was computed. [2018-11-23 07:08:59,894 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 285 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 07:08:59,894 INFO L444 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-23 07:08:59,894 INFO L444 ceAbstractionStarter]: At program point L299(lines 299 305) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 07:08:59,894 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 285 311) no Hoare annotation was computed. [2018-11-23 07:08:59,894 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 285 311) no Hoare annotation was computed. [2018-11-23 07:08:59,894 INFO L444 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 07:08:59,895 INFO L448 ceAbstractionStarter]: For program point L292(lines 288 310) no Hoare annotation was computed. [2018-11-23 07:08:59,895 INFO L448 ceAbstractionStarter]: For program point L290(lines 288 310) no Hoare annotation was computed. [2018-11-23 07:08:59,895 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 07:08:59,895 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 07:08:59,895 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 07:08:59,895 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 07:08:59,895 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 07:08:59,895 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 07:08:59,895 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 07:08:59,895 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 07:08:59,895 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 07:08:59,895 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 07:08:59,895 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 153 164) the Hoare annotation is: true [2018-11-23 07:08:59,896 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 153 164) no Hoare annotation was computed. [2018-11-23 07:08:59,896 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 153 164) no Hoare annotation was computed. [2018-11-23 07:08:59,896 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 07:08:59,896 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 07:08:59,896 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:08:59,896 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 07:08:59,896 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:08:59,896 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:08:59,896 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 477 484) no Hoare annotation was computed. [2018-11-23 07:08:59,896 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 477 484) the Hoare annotation is: true [2018-11-23 07:08:59,896 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 477 484) no Hoare annotation was computed. [2018-11-23 07:08:59,896 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 165 176) no Hoare annotation was computed. [2018-11-23 07:08:59,897 INFO L448 ceAbstractionStarter]: For program point L169-1(lines 165 176) no Hoare annotation was computed. [2018-11-23 07:08:59,897 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 165 176) the Hoare annotation is: true [2018-11-23 07:08:59,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 971 978) no Hoare annotation was computed. [2018-11-23 07:08:59,897 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 971 978) the Hoare annotation is: true [2018-11-23 07:08:59,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2018-11-23 07:08:59,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 971 978) no Hoare annotation was computed. [2018-11-23 07:08:59,897 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 320 344) no Hoare annotation was computed. [2018-11-23 07:08:59,897 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 320 344) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 07:08:59,897 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 07:08:59,898 INFO L448 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2018-11-23 07:08:59,898 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:08:59,898 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:08:59,898 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2018-11-23 07:08:59,898 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:08:59,898 INFO L448 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2018-11-23 07:08:59,898 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2018-11-23 07:08:59,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:08:59 BoogieIcfgContainer [2018-11-23 07:08:59,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:08:59,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:08:59,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:08:59,908 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:08:59,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:58" (3/4) ... [2018-11-23 07:08:59,911 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:08:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:08:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:08:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:08:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:08:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 07:08:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:08:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 07:08:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:08:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:08:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:08:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:08:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:08:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:08:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 07:08:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:08:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:08:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:08:59,926 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 07:08:59,927 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:08:59,927 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:08:59,927 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:08:59,928 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:08:59,928 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:08:59,928 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:08:59,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-23 07:08:59,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-23 07:08:59,988 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_24cf093c-dd58-4dde-93ae-fed8318bc5c1/bin-2019/utaipan/witness.graphml [2018-11-23 07:08:59,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:08:59,988 INFO L168 Benchmark]: Toolchain (without parser) took 2717.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.6 MB in the beginning and 960.9 MB in the end (delta: -4.3 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:08:59,989 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:08:59,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:08:59,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:08:59,990 INFO L168 Benchmark]: Boogie Preprocessor took 30.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:08:59,990 INFO L168 Benchmark]: RCFGBuilder took 422.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:08:59,990 INFO L168 Benchmark]: TraceAbstraction took 1756.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 971.2 MB in the end (delta: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:08:59,991 INFO L168 Benchmark]: Witness Printer took 80.26 ms. Allocated memory is still 1.1 GB. Free memory was 971.2 MB in the beginning and 960.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:08:59,992 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 422.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1756.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 971.2 MB in the end (delta: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. * Witness Printer took 80.26 ms. Allocated memory is still 1.1 GB. Free memory was 971.2 MB in the beginning and 960.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 975]: 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: 496]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 155 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 616 SDtfs, 360 SDslu, 917 SDs, 0 SdLazy, 446 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=3, 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, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 352 PreInvPairs, 376 NumberOfFragments, 461 HoareAnnotationTreeSize, 352 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 65 FomulaSimplificationsInter, 956 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 26598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...