./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/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_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/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 0.1.23-1dbac8b [2018-11-10 04:29:38,899 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:29:38,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:29:38,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:29:38,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:29:38,909 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:29:38,910 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:29:38,912 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:29:38,913 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:29:38,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:29:38,915 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:29:38,915 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:29:38,916 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:29:38,917 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:29:38,918 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:29:38,919 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:29:38,920 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:29:38,922 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:29:38,924 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:29:38,925 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:29:38,926 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:29:38,927 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:29:38,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:29:38,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:29:38,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:29:38,931 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:29:38,932 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:29:38,933 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:29:38,934 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:29:38,935 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:29:38,935 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:29:38,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:29:38,936 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:29:38,936 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:29:38,938 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:29:38,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:29:38,939 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 04:29:38,950 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:29:38,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:29:38,951 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:29:38,951 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:29:38,951 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:29:38,952 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:29:38,952 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 04:29:38,952 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:29:38,952 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 04:29:38,952 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 04:29:38,952 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:29:38,953 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:29:38,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:29:38,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:29:38,954 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:29:38,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:29:38,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:29:38,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:29:38,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:29:38,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:29:38,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:29:38,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:29:38,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:29:38,955 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:29:38,955 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:29:38,955 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:29:38,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:29:38,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:29:38,956 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:29:38,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:29:38,956 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 04:29:38,959 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:29:38,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:29:38,959 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 04:29:38,959 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_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/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 [2018-11-10 04:29:38,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:29:38,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:29:39,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:29:39,002 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:29:39,002 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:29:39,003 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-10 04:29:39,058 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/data/717fe8c73/9b5e92e98b914028862917f12d4db81e/FLAG5f0d5f40b [2018-11-10 04:29:39,456 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:29:39,457 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/sv-benchmarks/c/product-lines/minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-10 04:29:39,467 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/data/717fe8c73/9b5e92e98b914028862917f12d4db81e/FLAG5f0d5f40b [2018-11-10 04:29:39,481 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/data/717fe8c73/9b5e92e98b914028862917f12d4db81e [2018-11-10 04:29:39,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:29:39,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:29:39,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:29:39,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:29:39,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:29:39,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39, skipping insertion in model container [2018-11-10 04:29:39,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:29:39,543 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:29:39,789 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:29:39,799 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:29:39,858 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:29:39,878 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:29:39,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39 WrapperNode [2018-11-10 04:29:39,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:29:39,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:29:39,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:29:39,879 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:29:39,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:29:39,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:29:39,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:29:39,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:29:39,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:39,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:40,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... [2018-11-10 04:29:40,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:29:40,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:29:40,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:29:40,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:29:40,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/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 [2018-11-10 04:29:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 04:29:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 04:29:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 04:29:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 04:29:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:29:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:29:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 04:29:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 04:29:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 04:29:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 04:29:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 04:29:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 04:29:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 04:29:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 04:29:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 04:29:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 04:29:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 04:29:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 04:29:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 04:29:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 04:29:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 04:29:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 04:29:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 04:29:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 04:29:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 04:29:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 04:29:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 04:29:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 04:29:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 04:29:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 04:29:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 04:29:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 04:29:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 04:29:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 04:29:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 04:29:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 04:29:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:29:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:29:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 04:29:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 04:29:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:29:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:29:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 04:29:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 04:29:40,651 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:29:40,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:29:40 BoogieIcfgContainer [2018-11-10 04:29:40,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:29:40,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:29:40,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:29:40,655 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:29:40,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:29:39" (1/3) ... [2018-11-10 04:29:40,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a8a617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:29:40, skipping insertion in model container [2018-11-10 04:29:40,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:39" (2/3) ... [2018-11-10 04:29:40,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a8a617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:29:40, skipping insertion in model container [2018-11-10 04:29:40,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:29:40" (3/3) ... [2018-11-10 04:29:40,659 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-10 04:29:40,669 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:29:40,676 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:29:40,688 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:29:40,716 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:29:40,716 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:29:40,716 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:29:40,716 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:29:40,716 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:29:40,716 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:29:40,716 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:29:40,716 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:29:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-10 04:29:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 04:29:40,736 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:29:40,736 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:29:40,738 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:29:40,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:29:40,744 INFO L82 PathProgramCache]: Analyzing trace with hash 48277705, now seen corresponding path program 1 times [2018-11-10 04:29:40,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:29:40,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:40,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:29:40,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:40,788 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:29:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:29:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:29:40,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:29:40,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:29:40,972 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:29:40,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 04:29:40,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 04:29:40,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:29:40,987 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-11-10 04:29:41,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:29:41,015 INFO L93 Difference]: Finished difference Result 192 states and 237 transitions. [2018-11-10 04:29:41,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 04:29:41,016 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 04:29:41,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:29:41,027 INFO L225 Difference]: With dead ends: 192 [2018-11-10 04:29:41,027 INFO L226 Difference]: Without dead ends: 96 [2018-11-10 04:29:41,030 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:29:41,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-10 04:29:41,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-10 04:29:41,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-10 04:29:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-11-10 04:29:41,069 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 46 [2018-11-10 04:29:41,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:29:41,070 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-11-10 04:29:41,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 04:29:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-11-10 04:29:41,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 04:29:41,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:29:41,073 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:29:41,073 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:29:41,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:29:41,073 INFO L82 PathProgramCache]: Analyzing trace with hash -822889103, now seen corresponding path program 1 times [2018-11-10 04:29:41,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:29:41,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:41,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:29:41,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:41,075 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:29:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:29:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:29:41,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:29:41,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:29:41,173 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:29:41,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:29:41,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:29:41,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:29:41,175 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 3 states. [2018-11-10 04:29:41,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:29:41,192 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2018-11-10 04:29:41,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:29:41,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 04:29:41,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:29:41,195 INFO L225 Difference]: With dead ends: 126 [2018-11-10 04:29:41,195 INFO L226 Difference]: Without dead ends: 86 [2018-11-10 04:29:41,196 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:29:41,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-10 04:29:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-10 04:29:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-10 04:29:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-11-10 04:29:41,207 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 48 [2018-11-10 04:29:41,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:29:41,207 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-11-10 04:29:41,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:29:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-11-10 04:29:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 04:29:41,209 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:29:41,213 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:29:41,213 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:29:41,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:29:41,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1166898950, now seen corresponding path program 1 times [2018-11-10 04:29:41,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:29:41,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:41,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:29:41,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:41,216 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:29:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:29:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:29:41,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:29:41,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:29:41,370 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:29:41,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:29:41,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:29:41,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:29:41,371 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 7 states. [2018-11-10 04:29:41,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:29:41,761 INFO L93 Difference]: Finished difference Result 261 states and 312 transitions. [2018-11-10 04:29:41,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:29:41,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 04:29:41,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:29:41,767 INFO L225 Difference]: With dead ends: 261 [2018-11-10 04:29:41,768 INFO L226 Difference]: Without dead ends: 199 [2018-11-10 04:29:41,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:29:41,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-11-10 04:29:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2018-11-10 04:29:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-10 04:29:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 207 transitions. [2018-11-10 04:29:41,794 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 207 transitions. Word has length 53 [2018-11-10 04:29:41,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:29:41,795 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 207 transitions. [2018-11-10 04:29:41,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:29:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 207 transitions. [2018-11-10 04:29:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 04:29:41,797 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:29:41,797 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:29:41,797 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:29:41,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:29:41,801 INFO L82 PathProgramCache]: Analyzing trace with hash -48826754, now seen corresponding path program 1 times [2018-11-10 04:29:41,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:29:41,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:41,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:29:41,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:41,802 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:29:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:29:41,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:29:41,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:29:41,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 04:29:41,935 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:29:41,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 04:29:41,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 04:29:41,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:29:41,936 INFO L87 Difference]: Start difference. First operand 175 states and 207 transitions. Second operand 10 states. [2018-11-10 04:29:42,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:29:42,343 INFO L93 Difference]: Finished difference Result 580 states and 747 transitions. [2018-11-10 04:29:42,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 04:29:42,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-11-10 04:29:42,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:29:42,350 INFO L225 Difference]: With dead ends: 580 [2018-11-10 04:29:42,350 INFO L226 Difference]: Without dead ends: 429 [2018-11-10 04:29:42,352 INFO L605 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 [2018-11-10 04:29:42,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-11-10 04:29:42,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 417. [2018-11-10 04:29:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-11-10 04:29:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 511 transitions. [2018-11-10 04:29:42,399 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 511 transitions. Word has length 56 [2018-11-10 04:29:42,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:29:42,400 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 511 transitions. [2018-11-10 04:29:42,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 04:29:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 511 transitions. [2018-11-10 04:29:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 04:29:42,403 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:29:42,403 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:29:42,403 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:29:42,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:29:42,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1590190072, now seen corresponding path program 1 times [2018-11-10 04:29:42,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:29:42,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:42,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:29:42,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:42,405 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:29:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:29:42,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:29:42,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:29:42,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:29:42,482 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:29:42,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:29:42,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:29:42,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:29:42,483 INFO L87 Difference]: Start difference. First operand 417 states and 511 transitions. Second operand 3 states. [2018-11-10 04:29:42,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:29:42,510 INFO L93 Difference]: Finished difference Result 768 states and 955 transitions. [2018-11-10 04:29:42,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:29:42,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-10 04:29:42,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:29:42,515 INFO L225 Difference]: With dead ends: 768 [2018-11-10 04:29:42,515 INFO L226 Difference]: Without dead ends: 375 [2018-11-10 04:29:42,517 INFO L605 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 [2018-11-10 04:29:42,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-11-10 04:29:42,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2018-11-10 04:29:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-11-10 04:29:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 437 transitions. [2018-11-10 04:29:42,543 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 437 transitions. Word has length 60 [2018-11-10 04:29:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:29:42,543 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 437 transitions. [2018-11-10 04:29:42,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:29:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 437 transitions. [2018-11-10 04:29:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 04:29:42,547 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:29:42,548 INFO L375 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, 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] [2018-11-10 04:29:42,548 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:29:42,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:29:42,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1352902196, now seen corresponding path program 1 times [2018-11-10 04:29:42,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:29:42,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:42,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:29:42,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:29:42,550 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:29:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:29:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 04:29:42,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:29:42,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:29:42,686 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:29:42,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:29:42,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:29:42,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:29:42,687 INFO L87 Difference]: Start difference. First operand 375 states and 437 transitions. Second operand 7 states. [2018-11-10 04:29:42,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:29:42,936 INFO L93 Difference]: Finished difference Result 381 states and 443 transitions. [2018-11-10 04:29:42,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:29:42,937 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-11-10 04:29:42,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:29:42,937 INFO L225 Difference]: With dead ends: 381 [2018-11-10 04:29:42,937 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 04:29:42,938 INFO L605 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 [2018-11-10 04:29:42,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 04:29:42,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 04:29:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 04:29:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 04:29:42,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2018-11-10 04:29:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:29:42,940 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:29:42,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:29:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 04:29:42,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:29:42,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 04:29:43,832 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2018-11-10 04:29:43,832 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2018-11-10 04:29:43,832 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2018-11-10 04:29:43,833 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 257 263) no Hoare annotation was computed. [2018-11-10 04:29:43,833 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 257 263) the Hoare annotation is: true [2018-11-10 04:29:43,833 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 399 405) the Hoare annotation is: true [2018-11-10 04:29:43,833 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 399 405) no Hoare annotation was computed. [2018-11-10 04:29:43,833 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 406 414) no Hoare annotation was computed. [2018-11-10 04:29:43,833 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 406 414) the Hoare annotation is: true [2018-11-10 04:29:43,833 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 406 414) no Hoare annotation was computed. [2018-11-10 04:29:43,833 INFO L421 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))) [2018-11-10 04:29:43,833 INFO L421 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))) [2018-11-10 04:29:43,833 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-10 04:29:43,834 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2018-11-10 04:29:43,834 INFO L421 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))) [2018-11-10 04:29:43,834 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 158 225) no Hoare annotation was computed. [2018-11-10 04:29:43,834 INFO L421 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))) [2018-11-10 04:29:43,834 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 184) no Hoare annotation was computed. [2018-11-10 04:29:43,834 INFO L425 ceAbstractionStarter]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2018-11-10 04:29:43,834 INFO L425 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2018-11-10 04:29:43,834 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 168 217) no Hoare annotation was computed. [2018-11-10 04:29:43,834 INFO L421 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))) [2018-11-10 04:29:43,834 INFO L421 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))) [2018-11-10 04:29:43,835 INFO L425 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-10 04:29:43,835 INFO L421 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))) [2018-11-10 04:29:43,835 INFO L425 ceAbstractionStarter]: For program point L169(lines 168 217) no Hoare annotation was computed. [2018-11-10 04:29:43,835 INFO L421 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))) [2018-11-10 04:29:43,835 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 213) no Hoare annotation was computed. [2018-11-10 04:29:43,835 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 158 225) no Hoare annotation was computed. [2018-11-10 04:29:43,835 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2018-11-10 04:29:43,835 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2018-11-10 04:29:43,835 INFO L421 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 04:29:43,835 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-10 04:29:43,835 INFO L421 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-10 04:29:43,835 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-10 04:29:43,836 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2018-11-10 04:29:43,836 INFO L425 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2018-11-10 04:29:43,836 INFO L428 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2018-11-10 04:29:43,836 INFO L425 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-11-10 04:29:43,836 INFO L421 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))) [2018-11-10 04:29:43,836 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-10 04:29:43,836 INFO L421 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))) [2018-11-10 04:29:43,836 INFO L421 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))) [2018-11-10 04:29:43,836 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-10 04:29:43,837 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-10 04:29:43,837 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-10 04:29:43,837 INFO L421 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))) [2018-11-10 04:29:43,837 INFO L421 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))) [2018-11-10 04:29:43,837 INFO L421 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))) [2018-11-10 04:29:43,837 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-10 04:29:43,837 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2018-11-10 04:29:43,837 INFO L421 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 04:29:43,837 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2018-11-10 04:29:43,837 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 354 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-10 04:29:43,838 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2018-11-10 04:29:43,838 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 309 317) no Hoare annotation was computed. [2018-11-10 04:29:43,838 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 309 317) the Hoare annotation is: true [2018-11-10 04:29:43,838 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 309 317) no Hoare annotation was computed. [2018-11-10 04:29:43,838 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:29:43,838 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-10 04:29:43,838 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:29:43,838 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-10 04:29:43,838 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-10 04:29:43,838 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-10 04:29:43,838 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-10 04:29:43,838 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-10 04:29:43,839 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-10 04:29:43,839 INFO L421 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))))) [2018-11-10 04:29:43,839 INFO L421 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)))) [2018-11-10 04:29:43,839 INFO L421 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)))) [2018-11-10 04:29:43,839 INFO L421 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 04:29:43,839 INFO L425 ceAbstractionStarter]: For program point L237(lines 236 255) no Hoare annotation was computed. [2018-11-10 04:29:43,839 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2018-11-10 04:29:43,839 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2018-11-10 04:29:43,839 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2018-11-10 04:29:43,839 INFO L428 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2018-11-10 04:29:43,840 INFO L425 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2018-11-10 04:29:43,840 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 04:29:43,840 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2018-11-10 04:29:43,840 INFO L425 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-11-10 04:29:43,840 INFO L428 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2018-11-10 04:29:43,840 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 427 441) no Hoare annotation was computed. [2018-11-10 04:29:43,840 INFO L428 ceAbstractionStarter]: At program point L427-3(lines 427 441) the Hoare annotation is: true [2018-11-10 04:29:43,840 INFO L428 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-10 04:29:43,840 INFO L425 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-10 04:29:43,840 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-10 04:29:43,840 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-10 04:29:43,840 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-10 04:29:43,841 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 392 398) no Hoare annotation was computed. [2018-11-10 04:29:43,841 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 392 398) the Hoare annotation is: true [2018-11-10 04:29:43,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:29:43,841 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-10 04:29:43,841 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:29:43,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:29:43,841 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 471 477) no Hoare annotation was computed. [2018-11-10 04:29:43,841 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 471 477) the Hoare annotation is: true [2018-11-10 04:29:43,841 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 369 376) no Hoare annotation was computed. [2018-11-10 04:29:43,841 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 369 376) the Hoare annotation is: true [2018-11-10 04:29:43,841 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 369 376) no Hoare annotation was computed. [2018-11-10 04:29:43,842 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-10 04:29:43,842 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-10 04:29:43,842 INFO L421 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)) [2018-11-10 04:29:43,842 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 878 885) no Hoare annotation was computed. [2018-11-10 04:29:43,842 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2018-11-10 04:29:43,842 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 878 885) the Hoare annotation is: true [2018-11-10 04:29:43,842 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 878 885) no Hoare annotation was computed. [2018-11-10 04:29:43,842 INFO L421 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))) [2018-11-10 04:29:43,842 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 478 487) no Hoare annotation was computed. [2018-11-10 04:29:43,842 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 478 487) no Hoare annotation was computed. [2018-11-10 04:29:43,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:29:43 BoogieIcfgContainer [2018-11-10 04:29:43,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:29:43,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:29:43,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:29:43,855 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:29:43,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:29:40" (3/4) ... [2018-11-10 04:29:43,859 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:29:43,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 04:29:43,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 04:29:43,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 04:29:43,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 04:29:43,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 04:29:43,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 04:29:43,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 04:29:43,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 04:29:43,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 04:29:43,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 04:29:43,876 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-11-10 04:29:43,876 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 04:29:43,876 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 04:29:43,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-10 04:29:43,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-10 04:29:43,942 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ddd22fcc-b8bf-456c-826f-21c07f2d59ed/bin-2019/utaipan/witness.graphml [2018-11-10 04:29:43,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:29:43,943 INFO L168 Benchmark]: Toolchain (without parser) took 4458.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -43.9 MB). Peak memory consumption was 182.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:29:43,944 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:29:43,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.83 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:29:43,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:29:43,945 INFO L168 Benchmark]: Boogie Preprocessor took 31.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:29:43,945 INFO L168 Benchmark]: RCFGBuilder took 646.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.3 MB). Peak memory consumption was 90.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:29:43,946 INFO L168 Benchmark]: TraceAbstraction took 3201.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.3 MB). Peak memory consumption was 112.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:29:43,946 INFO L168 Benchmark]: Witness Printer took 88.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:29:43,947 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.83 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 646.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.3 MB). Peak memory consumption was 90.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3201.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.3 MB). Peak memory consumption was 112.5 MB. Max. memory is 11.5 GB. * Witness Printer took 88.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 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, 109 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 592 SDtfs, 404 SDslu, 1259 SDs, 0 SdLazy, 543 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred 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, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 348 ConstructedInterpolants, 0 QuantifiedInterpolants, 43517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 25/25 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...