./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12_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_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/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 aa894c4db149ffc20490feb4bd4b6a764b6f938d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:48:47,083 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:48:47,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:48:47,090 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:48:47,090 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:48:47,091 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:48:47,092 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:48:47,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:48:47,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:48:47,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:48:47,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:48:47,095 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:48:47,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:48:47,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:48:47,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:48:47,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:48:47,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:48:47,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:48:47,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:48:47,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:48:47,101 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:48:47,102 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:48:47,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:48:47,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:48:47,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:48:47,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:48:47,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:48:47,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:48:47,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:48:47,107 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:48:47,107 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:48:47,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:48:47,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:48:47,108 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:48:47,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:48:47,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:48:47,110 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:48:47,117 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:48:47,117 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:48:47,117 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:48:47,118 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:48:47,118 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:48:47,118 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:48:47,118 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:48:47,118 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:48:47,118 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:48:47,118 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:48:47,118 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:48:47,118 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:48:47,119 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:48:47,119 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:48:47,119 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:48:47,119 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:48:47,119 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:48:47,119 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:48:47,119 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:48:47,120 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:48:47,120 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:48:47,120 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:48:47,120 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:48:47,120 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:48:47,120 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:48:47,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:48:47,120 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:48:47,121 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:48:47,121 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:48:47,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:48:47,121 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:48:47,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:48:47,121 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:48:47,121 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:48:47,122 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:48:47,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:48:47,122 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:48:47,122 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_92d2ea8b-422b-440d-be2e-89a632be986b/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 -> aa894c4db149ffc20490feb4bd4b6a764b6f938d [2018-11-23 06:48:47,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:48:47,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:48:47,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:48:47,156 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:48:47,157 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:48:47,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-23 06:48:47,191 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/data/ff2147fc1/f7bb25b45a7e4c0b9b9d6083c4872fea/FLAG6f8376be3 [2018-11-23 06:48:47,518 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:48:47,518 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/sv-benchmarks/c/product-lines/minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-23 06:48:47,524 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/data/ff2147fc1/f7bb25b45a7e4c0b9b9d6083c4872fea/FLAG6f8376be3 [2018-11-23 06:48:47,533 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/data/ff2147fc1/f7bb25b45a7e4c0b9b9d6083c4872fea [2018-11-23 06:48:47,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:48:47,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:48:47,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:48:47,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:48:47,539 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:48:47,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c458f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47, skipping insertion in model container [2018-11-23 06:48:47,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:48:47,576 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:48:47,755 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:48:47,764 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:48:47,866 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:48:47,881 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:48:47,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47 WrapperNode [2018-11-23 06:48:47,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:48:47,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:48:47,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:48:47,882 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:48:47,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:48:47,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:48:47,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:48:47,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:48:47,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... [2018-11-23 06:48:47,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:48:47,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:48:47,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:48:47,932 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:48:47,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/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 06:48:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 06:48:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 06:48:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:48:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:48:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:48:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:48:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 06:48:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 06:48:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:48:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 06:48:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 06:48:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 06:48:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 06:48:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 06:48:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 06:48:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 06:48:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 06:48:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 06:48:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 06:48:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 06:48:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 06:48:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 06:48:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 06:48:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 06:48:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 06:48:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 06:48:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 06:48:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 06:48:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 06:48:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 06:48:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 06:48:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 06:48:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 06:48:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 06:48:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 06:48:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 06:48:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 06:48:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:48:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:48:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:48:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 06:48:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 06:48:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 06:48:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 06:48:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:48:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:48:48,360 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:48:48,360 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 06:48:48,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:48:48 BoogieIcfgContainer [2018-11-23 06:48:48,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:48:48,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:48:48,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:48:48,364 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:48:48,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:48:47" (1/3) ... [2018-11-23 06:48:48,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83a20f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:48:48, skipping insertion in model container [2018-11-23 06:48:48,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:47" (2/3) ... [2018-11-23 06:48:48,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83a20f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:48:48, skipping insertion in model container [2018-11-23 06:48:48,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:48:48" (3/3) ... [2018-11-23 06:48:48,366 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-23 06:48:48,372 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:48:48,381 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:48:48,390 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:48:48,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:48:48,413 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:48:48,413 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:48:48,413 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:48:48,413 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:48:48,413 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:48:48,413 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:48:48,413 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:48:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-11-23 06:48:48,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 06:48:48,433 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:48:48,433 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] [2018-11-23 06:48:48,435 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:48:48,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:48:48,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1179475504, now seen corresponding path program 1 times [2018-11-23 06:48:48,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:48:48,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:48,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:48:48,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:48,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:48:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:48:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:48:48,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:48:48,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:48:48,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:48:48,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:48:48,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:48:48,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:48:48,628 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-11-23 06:48:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:48:48,651 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2018-11-23 06:48:48,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:48:48,652 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 06:48:48,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:48:48,660 INFO L225 Difference]: With dead ends: 188 [2018-11-23 06:48:48,660 INFO L226 Difference]: Without dead ends: 94 [2018-11-23 06:48:48,663 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 06:48:48,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-23 06:48:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-23 06:48:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-23 06:48:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-11-23 06:48:48,694 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2018-11-23 06:48:48,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:48:48,694 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-11-23 06:48:48,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:48:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-11-23 06:48:48,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 06:48:48,696 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:48:48,696 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] [2018-11-23 06:48:48,697 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:48:48,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:48:48,697 INFO L82 PathProgramCache]: Analyzing trace with hash 75034757, now seen corresponding path program 1 times [2018-11-23 06:48:48,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:48:48,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:48,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:48:48,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:48,698 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:48:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:48:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:48:48,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:48:48,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:48:48,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:48:48,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:48:48,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:48:48,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:48:48,796 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2018-11-23 06:48:48,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:48:48,811 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2018-11-23 06:48:48,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:48:48,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 06:48:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:48:48,812 INFO L225 Difference]: With dead ends: 124 [2018-11-23 06:48:48,813 INFO L226 Difference]: Without dead ends: 85 [2018-11-23 06:48:48,813 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 06:48:48,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-23 06:48:48,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-23 06:48:48,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-23 06:48:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-11-23 06:48:48,821 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2018-11-23 06:48:48,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:48:48,821 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-11-23 06:48:48,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:48:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-11-23 06:48:48,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 06:48:48,822 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:48:48,823 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] [2018-11-23 06:48:48,823 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:48:48,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:48:48,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1181026810, now seen corresponding path program 1 times [2018-11-23 06:48:48,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:48:48,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:48,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:48:48,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:48,824 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:48:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:48:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:48:48,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:48:48,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:48:48,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:48:48,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:48:48,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:48:48,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:48:48,924 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2018-11-23 06:48:49,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:48:49,145 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2018-11-23 06:48:49,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:48:49,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 06:48:49,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:48:49,147 INFO L225 Difference]: With dead ends: 257 [2018-11-23 06:48:49,148 INFO L226 Difference]: Without dead ends: 196 [2018-11-23 06:48:49,148 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 06:48:49,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-11-23 06:48:49,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 172. [2018-11-23 06:48:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-23 06:48:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2018-11-23 06:48:49,169 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2018-11-23 06:48:49,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:48:49,169 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2018-11-23 06:48:49,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:48:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2018-11-23 06:48:49,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 06:48:49,172 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:48:49,172 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] [2018-11-23 06:48:49,172 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:48:49,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:48:49,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1435483632, now seen corresponding path program 1 times [2018-11-23 06:48:49,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:48:49,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:49,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:48:49,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:49,174 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:48:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:48:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:48:49,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:48:49,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:48:49,295 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:48:49,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:48:49,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:48:49,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:48:49,296 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 10 states. [2018-11-23 06:48:49,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:48:49,697 INFO L93 Difference]: Finished difference Result 568 states and 735 transitions. [2018-11-23 06:48:49,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:48:49,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-11-23 06:48:49,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:48:49,702 INFO L225 Difference]: With dead ends: 568 [2018-11-23 06:48:49,703 INFO L226 Difference]: Without dead ends: 420 [2018-11-23 06:48:49,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:48:49,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-11-23 06:48:49,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 408. [2018-11-23 06:48:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-11-23 06:48:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 502 transitions. [2018-11-23 06:48:49,751 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 502 transitions. Word has length 55 [2018-11-23 06:48:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:48:49,752 INFO L480 AbstractCegarLoop]: Abstraction has 408 states and 502 transitions. [2018-11-23 06:48:49,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:48:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 502 transitions. [2018-11-23 06:48:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 06:48:49,754 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:48:49,754 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] [2018-11-23 06:48:49,754 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:48:49,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:48:49,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2010806154, now seen corresponding path program 1 times [2018-11-23 06:48:49,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:48:49,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:49,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:48:49,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:49,756 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:48:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:48:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:48:49,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:48:49,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:48:49,817 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:48:49,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:48:49,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:48:49,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:48:49,818 INFO L87 Difference]: Start difference. First operand 408 states and 502 transitions. Second operand 3 states. [2018-11-23 06:48:49,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:48:49,851 INFO L93 Difference]: Finished difference Result 750 states and 937 transitions. [2018-11-23 06:48:49,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:48:49,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-23 06:48:49,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:48:49,855 INFO L225 Difference]: With dead ends: 750 [2018-11-23 06:48:49,855 INFO L226 Difference]: Without dead ends: 366 [2018-11-23 06:48:49,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 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 06:48:49,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-23 06:48:49,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-11-23 06:48:49,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-11-23 06:48:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 428 transitions. [2018-11-23 06:48:49,878 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 428 transitions. Word has length 59 [2018-11-23 06:48:49,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:48:49,878 INFO L480 AbstractCegarLoop]: Abstraction has 366 states and 428 transitions. [2018-11-23 06:48:49,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:48:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 428 transitions. [2018-11-23 06:48:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 06:48:49,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:48:49,881 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:48:49,881 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:48:49,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:48:49,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1169922515, now seen corresponding path program 1 times [2018-11-23 06:48:49,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:48:49,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:49,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:48:49,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:48:49,882 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:48:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:48:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 06:48:49,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:48:49,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:48:49,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:48:49,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:48:49,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:48:49,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:48:49,965 INFO L87 Difference]: Start difference. First operand 366 states and 428 transitions. Second operand 7 states. [2018-11-23 06:48:50,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:48:50,164 INFO L93 Difference]: Finished difference Result 372 states and 434 transitions. [2018-11-23 06:48:50,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:48:50,165 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-11-23 06:48:50,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:48:50,165 INFO L225 Difference]: With dead ends: 372 [2018-11-23 06:48:50,165 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:48:50,166 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 06:48:50,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:48:50,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:48:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:48:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:48:50,167 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-11-23 06:48:50,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:48:50,188 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:48:50,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:48:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:48:50,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:48:50,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:48:50,706 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2018-11-23 06:48:50,706 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2018-11-23 06:48:50,706 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2018-11-23 06:48:50,706 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 257 263) no Hoare annotation was computed. [2018-11-23 06:48:50,706 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 257 263) the Hoare annotation is: true [2018-11-23 06:48:50,706 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 399 405) the Hoare annotation is: true [2018-11-23 06:48:50,706 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 399 405) no Hoare annotation was computed. [2018-11-23 06:48:50,706 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 406 414) no Hoare annotation was computed. [2018-11-23 06:48:50,706 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 406 414) the Hoare annotation is: true [2018-11-23 06:48:50,707 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 406 414) no Hoare annotation was computed. [2018-11-23 06:48:50,707 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 158 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,707 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,707 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-23 06:48:50,707 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2018-11-23 06:48:50,707 INFO L444 ceAbstractionStarter]: At program point L215(lines 168 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,707 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 158 225) no Hoare annotation was computed. [2018-11-23 06:48:50,707 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,707 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 184) no Hoare annotation was computed. [2018-11-23 06:48:50,708 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2018-11-23 06:48:50,708 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2018-11-23 06:48:50,708 INFO L444 ceAbstractionStarter]: At program point L218(lines 167 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,708 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,708 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-23 06:48:50,708 INFO L444 ceAbstractionStarter]: At program point L206-1(lines 198 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,708 INFO L448 ceAbstractionStarter]: For program point L169(lines 168 217) no Hoare annotation was computed. [2018-11-23 06:48:50,708 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,708 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 213) no Hoare annotation was computed. [2018-11-23 06:48:50,708 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 158 225) no Hoare annotation was computed. [2018-11-23 06:48:50,708 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2018-11-23 06:48:50,709 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2018-11-23 06:48:50,709 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 06:48:50,709 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-23 06:48:50,709 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-23 06:48:50,709 INFO L448 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-23 06:48:50,709 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2018-11-23 06:48:50,709 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2018-11-23 06:48:50,709 INFO L451 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2018-11-23 06:48:50,709 INFO L448 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-11-23 06:48:50,709 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,709 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-23 06:48:50,709 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,710 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,710 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-23 06:48:50,710 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-23 06:48:50,710 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 06:48:50,710 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,710 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,710 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,710 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-23 06:48:50,710 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2018-11-23 06:48:50,710 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 06:48:50,710 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 354 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 309 317) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 309 317) the Hoare annotation is: true [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 309 317) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-23 06:48:50,711 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-23 06:48:50,712 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2018-11-23 06:48:50,712 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2018-11-23 06:48:50,712 INFO L451 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2018-11-23 06:48:50,712 INFO L448 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2018-11-23 06:48:50,712 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-11-23 06:48:50,712 INFO L451 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2018-11-23 06:48:50,712 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 06:48:50,712 INFO L451 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2018-11-23 06:48:50,712 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-23 06:48:50,712 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-23 06:48:50,712 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-23 06:48:50,713 INFO L444 ceAbstractionStarter]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0)))) [2018-11-23 06:48:50,713 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0)))) [2018-11-23 06:48:50,713 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 06:48:50,713 INFO L448 ceAbstractionStarter]: For program point L237(lines 236 255) no Hoare annotation was computed. [2018-11-23 06:48:50,713 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2018-11-23 06:48:50,713 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2018-11-23 06:48:50,713 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-23 06:48:50,713 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-23 06:48:50,713 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-23 06:48:50,713 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 392 398) no Hoare annotation was computed. [2018-11-23 06:48:50,713 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 392 398) the Hoare annotation is: true [2018-11-23 06:48:50,714 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 471 477) no Hoare annotation was computed. [2018-11-23 06:48:50,714 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 471 477) the Hoare annotation is: true [2018-11-23 06:48:50,714 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:48:50,714 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-23 06:48:50,714 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:48:50,714 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:48:50,714 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 369 376) no Hoare annotation was computed. [2018-11-23 06:48:50,714 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 369 376) the Hoare annotation is: true [2018-11-23 06:48:50,714 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 369 376) no Hoare annotation was computed. [2018-11-23 06:48:50,714 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-23 06:48:50,715 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-23 06:48:50,715 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) [2018-11-23 06:48:50,715 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 878 885) no Hoare annotation was computed. [2018-11-23 06:48:50,715 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2018-11-23 06:48:50,715 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 878 885) the Hoare annotation is: true [2018-11-23 06:48:50,715 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 878 885) no Hoare annotation was computed. [2018-11-23 06:48:50,715 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 478 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:48:50,715 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 478 487) no Hoare annotation was computed. [2018-11-23 06:48:50,715 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 478 487) no Hoare annotation was computed. [2018-11-23 06:48:50,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:48:50 BoogieIcfgContainer [2018-11-23 06:48:50,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:48:50,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:48:50,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:48:50,725 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:48:50,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:48:48" (3/4) ... [2018-11-23 06:48:50,728 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:48:50,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 06:48:50,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 06:48:50,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 06:48:50,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 06:48:50,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 06:48:50,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 06:48:50,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 06:48:50,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 06:48:50,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-23 06:48:50,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 06:48:50,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:48:50,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:48:50,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:48:50,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:48:50,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:48:50,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-23 06:48:50,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 06:48:50,789 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92d2ea8b-422b-440d-be2e-89a632be986b/bin-2019/utaipan/witness.graphml [2018-11-23 06:48:50,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:48:50,789 INFO L168 Benchmark]: Toolchain (without parser) took 3254.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.0 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -118.2 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:48:50,790 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:48:50,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -196.0 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:48:50,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:48:50,791 INFO L168 Benchmark]: Boogie Preprocessor took 24.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:48:50,791 INFO L168 Benchmark]: RCFGBuilder took 429.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:48:50,791 INFO L168 Benchmark]: TraceAbstraction took 2362.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:48:50,791 INFO L168 Benchmark]: Witness Printer took 64.39 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:48:50,793 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -196.0 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 429.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2362.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. * Witness Printer took 64.39 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: 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: 167]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 107 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 585 SDtfs, 469 SDslu, 1152 SDs, 0 SdLazy, 539 SolverSat, 129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 383 PreInvPairs, 444 NumberOfFragments, 480 HoareAnnotationTreeSize, 383 FomulaSimplifications, 693 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 2127 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 41424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...