./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/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 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:04:46,766 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:04:46,767 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:04:46,773 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:04:46,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:04:46,774 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:04:46,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:04:46,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:04:46,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:04:46,776 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:04:46,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:04:46,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:04:46,777 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:04:46,778 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:04:46,778 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:04:46,779 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:04:46,779 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:04:46,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:04:46,781 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:04:46,782 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:04:46,783 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:04:46,783 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:04:46,784 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:04:46,784 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:04:46,784 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:04:46,785 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:04:46,785 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:04:46,786 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:04:46,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:04:46,787 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:04:46,787 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:04:46,787 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:04:46,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:04:46,787 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:04:46,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:04:46,788 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:04:46,789 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 18:04:46,796 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:04:46,796 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:04:46,797 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:04:46,797 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 18:04:46,797 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:04:46,798 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:04:46,798 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:04:46,798 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:04:46,798 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:04:46,798 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:04:46,798 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:04:46,798 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:04:46,798 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:04:46,798 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:04:46,799 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:04:46,799 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 18:04:46,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:04:46,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:04:46,800 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 18:04:46,800 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_a48b96c5-8cc5-449e-a9b8-c819ceccd241/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 -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2018-12-08 18:04:46,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:04:46,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:04:46,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:04:46,829 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:04:46,829 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:04:46,829 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-12-08 18:04:46,870 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/data/6193f583c/e40ba0b64f7e417fa00779f27403a7ca/FLAG6dccf775e [2018-12-08 18:04:47,284 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:04:47,285 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-12-08 18:04:47,290 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/data/6193f583c/e40ba0b64f7e417fa00779f27403a7ca/FLAG6dccf775e [2018-12-08 18:04:47,298 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/data/6193f583c/e40ba0b64f7e417fa00779f27403a7ca [2018-12-08 18:04:47,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:04:47,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:04:47,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:04:47,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:04:47,303 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:04:47,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47, skipping insertion in model container [2018-12-08 18:04:47,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:04:47,329 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:04:47,470 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:04:47,478 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:04:47,556 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:04:47,577 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:04:47,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47 WrapperNode [2018-12-08 18:04:47,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:04:47,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:04:47,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:04:47,578 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:04:47,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:04:47,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:04:47,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:04:47,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:04:47,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... [2018-12-08 18:04:47,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:04:47,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:04:47,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:04:47,619 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:04:47,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:04:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 18:04:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 18:04:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:04:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:04:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 18:04:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 18:04:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:04:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 18:04:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 18:04:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 18:04:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 18:04:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 18:04:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 18:04:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 18:04:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 18:04:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 18:04:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 18:04:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 18:04:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 18:04:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 18:04:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 18:04:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 18:04:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 18:04:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 18:04:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 18:04:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 18:04:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 18:04:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 18:04:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 18:04:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 18:04:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 18:04:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 18:04:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 18:04:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 18:04:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 18:04:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 18:04:47,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 18:04:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 18:04:47,654 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 18:04:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 18:04:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:04:47,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:04:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 18:04:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 18:04:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 18:04:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 18:04:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:04:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:04:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 18:04:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 18:04:47,960 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:04:47,960 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 18:04:47,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:47 BoogieIcfgContainer [2018-12-08 18:04:47,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:04:47,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:04:47,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:04:47,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:04:47,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:04:47" (1/3) ... [2018-12-08 18:04:47,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b2fbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:04:47, skipping insertion in model container [2018-12-08 18:04:47,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:47" (2/3) ... [2018-12-08 18:04:47,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b2fbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:04:47, skipping insertion in model container [2018-12-08 18:04:47,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:47" (3/3) ... [2018-12-08 18:04:47,966 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-12-08 18:04:47,973 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:04:47,979 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:04:47,987 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:04:48,005 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:04:48,005 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:04:48,005 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:04:48,005 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:04:48,005 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:04:48,005 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:04:48,005 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:04:48,005 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:04:48,018 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-12-08 18:04:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 18:04:48,025 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:48,026 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:48,028 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:04:48,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:48,032 INFO L82 PathProgramCache]: Analyzing trace with hash -148281775, now seen corresponding path program 1 times [2018-12-08 18:04:48,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:04:48,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:48,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,065 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:04:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:48,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:04:48,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:04:48,176 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:04:48,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:04:48,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:04:48,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:04:48,188 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-12-08 18:04:48,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:04:48,209 INFO L93 Difference]: Finished difference Result 218 states and 273 transitions. [2018-12-08 18:04:48,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:04:48,209 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 18:04:48,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:04:48,216 INFO L225 Difference]: With dead ends: 218 [2018-12-08 18:04:48,216 INFO L226 Difference]: Without dead ends: 109 [2018-12-08 18:04:48,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:04:48,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-08 18:04:48,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-08 18:04:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-08 18:04:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2018-12-08 18:04:48,247 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2018-12-08 18:04:48,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:04:48,248 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2018-12-08 18:04:48,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:04:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2018-12-08 18:04:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 18:04:48,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:48,250 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:48,250 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:04:48,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:48,250 INFO L82 PathProgramCache]: Analyzing trace with hash 2062648444, now seen corresponding path program 1 times [2018-12-08 18:04:48,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:04:48,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:48,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:04:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:48,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:04:48,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:04:48,305 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:04:48,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:04:48,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:04:48,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:04:48,307 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 3 states. [2018-12-08 18:04:48,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:04:48,317 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2018-12-08 18:04:48,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:04:48,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 18:04:48,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:04:48,318 INFO L225 Difference]: With dead ends: 157 [2018-12-08 18:04:48,318 INFO L226 Difference]: Without dead ends: 100 [2018-12-08 18:04:48,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:04:48,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-08 18:04:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-08 18:04:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-08 18:04:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2018-12-08 18:04:48,326 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2018-12-08 18:04:48,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:04:48,326 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2018-12-08 18:04:48,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:04:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2018-12-08 18:04:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 18:04:48,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:48,327 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:48,327 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:04:48,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:48,327 INFO L82 PathProgramCache]: Analyzing trace with hash -81715705, now seen corresponding path program 1 times [2018-12-08 18:04:48,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:04:48,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:48,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:04:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:48,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:04:48,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:04:48,397 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:04:48,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:04:48,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:04:48,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:04:48,398 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 7 states. [2018-12-08 18:04:48,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:04:48,599 INFO L93 Difference]: Finished difference Result 302 states and 368 transitions. [2018-12-08 18:04:48,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:04:48,600 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 18:04:48,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:04:48,601 INFO L225 Difference]: With dead ends: 302 [2018-12-08 18:04:48,601 INFO L226 Difference]: Without dead ends: 226 [2018-12-08 18:04:48,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:04:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-08 18:04:48,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 214. [2018-12-08 18:04:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-12-08 18:04:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 260 transitions. [2018-12-08 18:04:48,620 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 260 transitions. Word has length 52 [2018-12-08 18:04:48,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:04:48,621 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 260 transitions. [2018-12-08 18:04:48,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:04:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 260 transitions. [2018-12-08 18:04:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 18:04:48,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:48,622 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:48,622 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:04:48,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:48,622 INFO L82 PathProgramCache]: Analyzing trace with hash 64357365, now seen corresponding path program 1 times [2018-12-08 18:04:48,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:04:48,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:48,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:04:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:48,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:04:48,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:04:48,674 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:04:48,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:04:48,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:04:48,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:04:48,675 INFO L87 Difference]: Start difference. First operand 214 states and 260 transitions. Second operand 6 states. [2018-12-08 18:04:48,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:04:48,794 INFO L93 Difference]: Finished difference Result 579 states and 728 transitions. [2018-12-08 18:04:48,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:04:48,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-08 18:04:48,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:04:48,798 INFO L225 Difference]: With dead ends: 579 [2018-12-08 18:04:48,798 INFO L226 Difference]: Without dead ends: 389 [2018-12-08 18:04:48,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:04:48,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-12-08 18:04:48,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 383. [2018-12-08 18:04:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-12-08 18:04:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2018-12-08 18:04:48,831 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 57 [2018-12-08 18:04:48,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:04:48,831 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2018-12-08 18:04:48,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:04:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2018-12-08 18:04:48,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 18:04:48,834 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:48,835 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:48,835 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:04:48,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:48,835 INFO L82 PathProgramCache]: Analyzing trace with hash 204580953, now seen corresponding path program 1 times [2018-12-08 18:04:48,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:04:48,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:48,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:48,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:04:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:48,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:04:48,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:04:48,924 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:04:48,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:04:48,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:04:48,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:04:48,925 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand 7 states. [2018-12-08 18:04:49,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:04:49,103 INFO L93 Difference]: Finished difference Result 657 states and 828 transitions. [2018-12-08 18:04:49,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:04:49,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-08 18:04:49,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:04:49,104 INFO L225 Difference]: With dead ends: 657 [2018-12-08 18:04:49,104 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:04:49,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:04:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:04:49,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:04:49,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:04:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:04:49,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-08 18:04:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:04:49,106 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:04:49,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:04:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:04:49,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:04:49,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:04:49,657 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 191 198) the Hoare annotation is: true [2018-12-08 18:04:49,657 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 191 198) no Hoare annotation was computed. [2018-12-08 18:04:49,657 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 191 198) no Hoare annotation was computed. [2018-12-08 18:04:49,658 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 158 182) no Hoare annotation was computed. [2018-12-08 18:04:49,658 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 158 182) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:04:49,658 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:04:49,658 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2018-12-08 18:04:49,658 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 18:04:49,658 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 18:04:49,658 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 174) no Hoare annotation was computed. [2018-12-08 18:04:49,658 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 18:04:49,658 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-12-08 18:04:49,658 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 179) no Hoare annotation was computed. [2018-12-08 18:04:49,658 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 666 672) the Hoare annotation is: true [2018-12-08 18:04:49,658 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 666 672) no Hoare annotation was computed. [2018-12-08 18:04:49,658 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2018-12-08 18:04:49,658 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2018-12-08 18:04:49,659 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 673 681) no Hoare annotation was computed. [2018-12-08 18:04:49,659 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 673 681) the Hoare annotation is: true [2018-12-08 18:04:49,659 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 673 681) no Hoare annotation was computed. [2018-12-08 18:04:49,659 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-12-08 18:04:49,659 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,659 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-12-08 18:04:49,659 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-12-08 18:04:49,659 INFO L444 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,659 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,659 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-12-08 18:04:49,659 INFO L444 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,660 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-12-08 18:04:49,660 INFO L444 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,660 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-12-08 18:04:49,660 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,660 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-12-08 18:04:49,660 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-12-08 18:04:49,660 INFO L444 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,660 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,660 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-12-08 18:04:49,660 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-08 18:04:49,660 INFO L444 ceAbstractionStarter]: At program point L770-1(line 770) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,660 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 764 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,660 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 764 786) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 764 786) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L444 ceAbstractionStarter]: At program point L776(line 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,661 INFO L444 ceAbstractionStarter]: At program point L776-1(line 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 781) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 774 781) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point L772(line 772) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L444 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,661 INFO L444 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 255 269) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 255 269) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-08 18:04:49,661 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 255 269) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 265) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 210 218) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 210 218) the Hoare annotation is: true [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 210 218) no Hoare annotation was computed. [2018-12-08 18:04:49,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 841 852) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 841 852) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 853 861) the Hoare annotation is: true [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 853 861) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 853 861) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point L704(line 704) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 693 722) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L451 ceAbstractionStarter]: At program point L703-2(lines 703 717) the Hoare annotation is: true [2018-12-08 18:04:49,662 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 693 722) the Hoare annotation is: true [2018-12-08 18:04:49,662 INFO L451 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point L699-1(line 699) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L451 ceAbstractionStarter]: At program point L718(lines 693 722) the Hoare annotation is: true [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point L714(line 714) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 711) no Hoare annotation was computed. [2018-12-08 18:04:49,662 INFO L451 ceAbstractionStarter]: At program point L707-1(lines 707 711) the Hoare annotation is: true [2018-12-08 18:04:49,662 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:04:49,663 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L444 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point L130(lines 129 148) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 817 828) the Hoare annotation is: true [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 817 828) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 659 665) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 659 665) the Hoare annotation is: true [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 747 753) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 747 753) the Hoare annotation is: true [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 18:04:49,663 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:04:49,663 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 270 277) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 270 277) the Hoare annotation is: true [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 270 277) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 829 840) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 829 840) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 829 840) the Hoare annotation is: true [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 683 690) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 683 690) the Hoare annotation is: true [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 683 690) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 754 763) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 754 763) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 754 763) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 806) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 788 812) the Hoare annotation is: true [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 809) no Hoare annotation was computed. [2018-12-08 18:04:49,664 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 788 812) no Hoare annotation was computed. [2018-12-08 18:04:49,665 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-12-08 18:04:49,665 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-12-08 18:04:49,665 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 788 812) no Hoare annotation was computed. [2018-12-08 18:04:49,665 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-08 18:04:49,665 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 199 209) the Hoare annotation is: true [2018-12-08 18:04:49,665 INFO L451 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: true [2018-12-08 18:04:49,665 INFO L448 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2018-12-08 18:04:49,665 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 199 209) no Hoare annotation was computed. [2018-12-08 18:04:49,665 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 199 209) no Hoare annotation was computed. [2018-12-08 18:04:49,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:04:49 BoogieIcfgContainer [2018-12-08 18:04:49,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:04:49,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:04:49,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:04:49,673 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:04:49,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:47" (3/4) ... [2018-12-08 18:04:49,675 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:04:49,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 18:04:49,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 18:04:49,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 18:04:49,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 18:04:49,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 18:04:49,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 18:04:49,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 18:04:49,684 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-08 18:04:49,684 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 18:04:49,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 18:04:49,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 18:04:49,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 18:04:49,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:04:49,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 18:04:49,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 18:04:49,721 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a48b96c5-8cc5-449e-a9b8-c819ceccd241/bin-2019/utaipan/witness.graphml [2018-12-08 18:04:49,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:04:49,722 INFO L168 Benchmark]: Toolchain (without parser) took 2421.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -121.0 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:49,723 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:04:49,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:49,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.30 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. [2018-12-08 18:04:49,723 INFO L168 Benchmark]: Boogie Preprocessor took 21.16 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. [2018-12-08 18:04:49,723 INFO L168 Benchmark]: RCFGBuilder took 341.90 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:49,723 INFO L168 Benchmark]: TraceAbstraction took 1711.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -56.8 MB). Peak memory consumption was 290.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:49,724 INFO L168 Benchmark]: Witness Printer took 48.84 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:49,725 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.30 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 21.16 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. * RCFGBuilder took 341.90 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1711.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -56.8 MB). Peak memory consumption was 290.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.84 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 606 SDtfs, 346 SDslu, 1154 SDs, 0 SdLazy, 415 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred 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, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 444 PreInvPairs, 491 NumberOfFragments, 499 HoareAnnotationTreeSize, 444 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1838 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25848 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...