./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product01_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_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/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 1765ed2f00a711eb0a5a8db62b018a802d4ab98b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:30:01,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:30:01,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:30:01,009 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:30:01,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:30:01,010 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:30:01,011 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:30:01,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:30:01,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:30:01,013 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:30:01,013 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:30:01,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:30:01,014 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:30:01,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:30:01,016 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:30:01,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:30:01,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:30:01,018 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:30:01,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:30:01,019 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:30:01,020 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:30:01,021 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:30:01,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:30:01,023 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:30:01,023 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:30:01,023 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:30:01,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:30:01,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:30:01,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:30:01,025 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:30:01,025 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:30:01,026 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:30:01,026 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:30:01,026 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:30:01,026 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:30:01,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:30:01,027 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 04:30:01,037 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:30:01,037 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:30:01,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:30:01,038 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:30:01,038 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:30:01,038 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:30:01,038 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 04:30:01,038 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:30:01,038 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 04:30:01,038 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 04:30:01,038 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:30:01,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:30:01,039 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:30:01,039 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:30:01,039 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:30:01,039 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:30:01,039 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:30:01,039 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:30:01,039 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:30:01,039 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:30:01,040 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:30:01,040 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:30:01,040 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 04:30:01,041 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:30:01,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:30:01,041 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 04:30:01,041 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_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/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 -> 1765ed2f00a711eb0a5a8db62b018a802d4ab98b [2018-11-10 04:30:01,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:30:01,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:30:01,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:30:01,078 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:30:01,078 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:30:01,079 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product01_true-unreach-call_false-termination.cil.c [2018-11-10 04:30:01,123 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/data/9947808ba/1621cf461aea4fb081037c26c25fcd52/FLAG7e7f0fc09 [2018-11-10 04:30:01,541 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:30:01,541 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/sv-benchmarks/c/product-lines/minepump_spec1_product01_true-unreach-call_false-termination.cil.c [2018-11-10 04:30:01,548 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/data/9947808ba/1621cf461aea4fb081037c26c25fcd52/FLAG7e7f0fc09 [2018-11-10 04:30:01,556 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/data/9947808ba/1621cf461aea4fb081037c26c25fcd52 [2018-11-10 04:30:01,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:30:01,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:30:01,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:30:01,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:30:01,562 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:30:01,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b218cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01, skipping insertion in model container [2018-11-10 04:30:01,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:30:01,600 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:30:01,766 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:30:01,774 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:30:01,828 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:30:01,846 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:30:01,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01 WrapperNode [2018-11-10 04:30:01,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:30:01,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:30:01,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:30:01,847 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:30:01,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:30:01,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:30:01,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:30:01,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:30:01,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... [2018-11-10 04:30:01,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:30:01,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:30:01,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:30:01,960 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:30:01,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/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 04:30:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 04:30:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 04:30:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 04:30:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 04:30:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:30:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:30:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 04:30:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 04:30:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 04:30:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 04:30:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 04:30:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 04:30:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 04:30:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 04:30:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 04:30:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 04:30:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:30:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:30:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 04:30:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 04:30:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 04:30:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 04:30:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 04:30:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 04:30:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 04:30:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 04:30:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 04:30:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 04:30:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:30:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:30:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 04:30:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 04:30:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 04:30:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 04:30:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 04:30:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 04:30:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 04:30:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 04:30:02,476 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:30:02,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:02 BoogieIcfgContainer [2018-11-10 04:30:02,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:30:02,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:30:02,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:30:02,480 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:30:02,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:30:01" (1/3) ... [2018-11-10 04:30:02,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6725964d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:30:02, skipping insertion in model container [2018-11-10 04:30:02,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:01" (2/3) ... [2018-11-10 04:30:02,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6725964d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:30:02, skipping insertion in model container [2018-11-10 04:30:02,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:02" (3/3) ... [2018-11-10 04:30:02,483 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01_true-unreach-call_false-termination.cil.c [2018-11-10 04:30:02,490 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:30:02,497 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:30:02,510 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:30:02,535 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:30:02,535 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:30:02,535 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:30:02,535 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:30:02,535 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:30:02,535 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:30:02,535 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:30:02,535 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:30:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-11-10 04:30:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 04:30:02,555 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:30:02,556 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 04:30:02,558 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:30:02,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:30:02,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1080571192, now seen corresponding path program 1 times [2018-11-10 04:30:02,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:30:02,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:02,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:30:02,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:02,598 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:30:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:02,761 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 04:30:02,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:30:02,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:30:02,763 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:30:02,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 04:30:02,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 04:30:02,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:30:02,781 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2018-11-10 04:30:02,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:30:02,808 INFO L93 Difference]: Finished difference Result 166 states and 209 transitions. [2018-11-10 04:30:02,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 04:30:02,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 04:30:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:30:02,818 INFO L225 Difference]: With dead ends: 166 [2018-11-10 04:30:02,818 INFO L226 Difference]: Without dead ends: 83 [2018-11-10 04:30:02,821 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 04:30:02,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-10 04:30:02,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-11-10 04:30:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-10 04:30:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2018-11-10 04:30:02,858 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 46 [2018-11-10 04:30:02,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:30:02,858 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2018-11-10 04:30:02,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 04:30:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2018-11-10 04:30:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 04:30:02,860 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:30:02,860 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 04:30:02,861 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:30:02,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:30:02,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1484990610, now seen corresponding path program 1 times [2018-11-10 04:30:02,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:30:02,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:02,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:30:02,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:02,862 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:30:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:02,934 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 04:30:02,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:30:02,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:30:02,934 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:30:02,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:30:02,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:30:02,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:30:02,936 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 3 states. [2018-11-10 04:30:02,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:30:02,950 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-11-10 04:30:02,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:30:02,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 04:30:02,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:30:02,952 INFO L225 Difference]: With dead ends: 113 [2018-11-10 04:30:02,952 INFO L226 Difference]: Without dead ends: 73 [2018-11-10 04:30:02,953 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 04:30:02,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-10 04:30:02,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-10 04:30:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 04:30:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2018-11-10 04:30:02,961 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 48 [2018-11-10 04:30:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:30:02,961 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2018-11-10 04:30:02,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:30:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2018-11-10 04:30:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 04:30:02,963 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:30:02,963 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] [2018-11-10 04:30:02,963 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:30:02,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:30:02,965 INFO L82 PathProgramCache]: Analyzing trace with hash -768416427, now seen corresponding path program 1 times [2018-11-10 04:30:02,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:30:02,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:02,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:30:02,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:02,966 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:30:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:03,079 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 04:30:03,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:30:03,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:30:03,079 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:30:03,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:30:03,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:30:03,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:30:03,080 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand 7 states. [2018-11-10 04:30:03,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:30:03,310 INFO L93 Difference]: Finished difference Result 122 states and 143 transitions. [2018-11-10 04:30:03,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:30:03,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 04:30:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:30:03,311 INFO L225 Difference]: With dead ends: 122 [2018-11-10 04:30:03,312 INFO L226 Difference]: Without dead ends: 73 [2018-11-10 04:30:03,312 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:30:03,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-10 04:30:03,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-10 04:30:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 04:30:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2018-11-10 04:30:03,320 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 52 [2018-11-10 04:30:03,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:30:03,320 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2018-11-10 04:30:03,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:30:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-11-10 04:30:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 04:30:03,321 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:30:03,321 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] [2018-11-10 04:30:03,322 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:30:03,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:30:03,322 INFO L82 PathProgramCache]: Analyzing trace with hash -998417591, now seen corresponding path program 1 times [2018-11-10 04:30:03,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:30:03,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:03,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:30:03,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:03,323 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:30:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:03,405 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 04:30:03,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:30:03,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:30:03,405 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:30:03,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:30:03,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:30:03,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:30:03,406 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 6 states. [2018-11-10 04:30:03,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:30:03,536 INFO L93 Difference]: Finished difference Result 164 states and 195 transitions. [2018-11-10 04:30:03,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:30:03,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-10 04:30:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:30:03,539 INFO L225 Difference]: With dead ends: 164 [2018-11-10 04:30:03,539 INFO L226 Difference]: Without dead ends: 115 [2018-11-10 04:30:03,540 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:30:03,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-10 04:30:03,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2018-11-10 04:30:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-10 04:30:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2018-11-10 04:30:03,556 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 55 [2018-11-10 04:30:03,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:30:03,556 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2018-11-10 04:30:03,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:30:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2018-11-10 04:30:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 04:30:03,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:30:03,558 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] [2018-11-10 04:30:03,558 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:30:03,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:30:03,558 INFO L82 PathProgramCache]: Analyzing trace with hash -41949275, now seen corresponding path program 1 times [2018-11-10 04:30:03,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:30:03,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:03,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:30:03,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:03,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:30:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:03,632 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 04:30:03,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:30:03,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:30:03,633 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:30:03,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:30:03,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:30:03,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:30:03,634 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 6 states. [2018-11-10 04:30:03,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:30:03,755 INFO L93 Difference]: Finished difference Result 193 states and 228 transitions. [2018-11-10 04:30:03,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:30:03,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-10 04:30:03,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:30:03,757 INFO L225 Difference]: With dead ends: 193 [2018-11-10 04:30:03,757 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 04:30:03,758 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:30:03,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 04:30:03,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 04:30:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 04:30:03,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 04:30:03,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-10 04:30:03,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:30:03,763 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:30:03,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:30:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 04:30:03,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:30:03,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 04:30:04,109 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 300) no Hoare annotation was computed. [2018-11-10 04:30:04,109 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 294 300) the Hoare annotation is: true [2018-11-10 04:30:04,109 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2018-11-10 04:30:04,110 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2018-11-10 04:30:04,110 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2018-11-10 04:30:04,110 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2018-11-10 04:30:04,110 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2018-11-10 04:30:04,110 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 374 437) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,110 INFO L425 ceAbstractionStarter]: For program point L384-1(lines 384 429) no Hoare annotation was computed. [2018-11-10 04:30:04,110 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 374 437) no Hoare annotation was computed. [2018-11-10 04:30:04,111 INFO L421 ceAbstractionStarter]: At program point L430(lines 383 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,111 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 424) no Hoare annotation was computed. [2018-11-10 04:30:04,111 INFO L421 ceAbstractionStarter]: At program point L420-2(lines 414 425) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,111 INFO L425 ceAbstractionStarter]: For program point L385(lines 384 429) no Hoare annotation was computed. [2018-11-10 04:30:04,111 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 425) no Hoare annotation was computed. [2018-11-10 04:30:04,111 INFO L421 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,111 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2018-11-10 04:30:04,112 INFO L425 ceAbstractionStarter]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2018-11-10 04:30:04,112 INFO L421 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,112 INFO L421 ceAbstractionStarter]: At program point L427(lines 384 429) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,112 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2018-11-10 04:30:04,112 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2018-11-10 04:30:04,112 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 374 437) no Hoare annotation was computed. [2018-11-10 04:30:04,112 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2018-11-10 04:30:04,112 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-10 04:30:04,112 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-10 04:30:04,112 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,113 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,113 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,113 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,113 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-10 04:30:04,113 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-10 04:30:04,113 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,113 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,113 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-10 04:30:04,113 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 328 336) no Hoare annotation was computed. [2018-11-10 04:30:04,113 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 328 336) the Hoare annotation is: true [2018-11-10 04:30:04,114 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 328 336) no Hoare annotation was computed. [2018-11-10 04:30:04,114 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:30:04,114 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:30:04,114 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:30:04,114 INFO L425 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2018-11-10 04:30:04,114 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,114 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2018-11-10 04:30:04,114 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-10 04:30:04,114 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-10 04:30:04,114 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-10 04:30:04,114 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-10 04:30:04,114 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-10 04:30:04,114 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-10 04:30:04,115 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-10 04:30:04,115 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-10 04:30:04,115 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 04:30:04,115 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-10 04:30:04,115 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-10 04:30:04,115 INFO L428 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2018-11-10 04:30:04,115 INFO L428 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: true [2018-11-10 04:30:04,115 INFO L421 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 04:30:04,115 INFO L425 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-11-10 04:30:04,115 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: true [2018-11-10 04:30:04,115 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-11-10 04:30:04,115 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-11-10 04:30:04,115 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2018-11-10 04:30:04,116 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2018-11-10 04:30:04,116 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2018-11-10 04:30:04,116 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2018-11-10 04:30:04,116 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2018-11-10 04:30:04,116 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2018-11-10 04:30:04,116 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2018-11-10 04:30:04,116 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2018-11-10 04:30:04,116 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:30:04,116 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-10 04:30:04,116 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:30:04,116 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:30:04,116 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-10 04:30:04,116 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-10 04:30:04,117 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2018-11-10 04:30:04,117 INFO L425 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2018-11-10 04:30:04,117 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2018-11-10 04:30:04,117 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 466 473) no Hoare annotation was computed. [2018-11-10 04:30:04,117 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2018-11-10 04:30:04,117 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 466 473) the Hoare annotation is: true [2018-11-10 04:30:04,117 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 466 473) no Hoare annotation was computed. [2018-11-10 04:30:04,117 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:30:04,117 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-10 04:30:04,117 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-10 04:30:04,117 INFO L425 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-10 04:30:04,118 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 461) no Hoare annotation was computed. [2018-11-10 04:30:04,118 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 440 464) no Hoare annotation was computed. [2018-11-10 04:30:04,118 INFO L428 ceAbstractionStarter]: At program point L446(line 446) the Hoare annotation is: true [2018-11-10 04:30:04,118 INFO L425 ceAbstractionStarter]: For program point L446-1(line 446) no Hoare annotation was computed. [2018-11-10 04:30:04,118 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 440 464) the Hoare annotation is: true [2018-11-10 04:30:04,118 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 440 464) no Hoare annotation was computed. [2018-11-10 04:30:04,118 INFO L421 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 04:30:04,118 INFO L425 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2018-11-10 04:30:04,118 INFO L421 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 04:30:04,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:30:04 BoogieIcfgContainer [2018-11-10 04:30:04,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:30:04,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:30:04,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:30:04,128 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:30:04,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:02" (3/4) ... [2018-11-10 04:30:04,131 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:30:04,137 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 04:30:04,137 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 04:30:04,137 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 04:30:04,137 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 04:30:04,137 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 04:30:04,137 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 04:30:04,137 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 04:30:04,137 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 04:30:04,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 04:30:04,147 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2018-11-10 04:30:04,147 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 04:30:04,147 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 04:30:04,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 04:30:04,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 04:30:04,206 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60d69ddc-e1aa-429c-a802-683d4e4b5ae4/bin-2019/utaipan/witness.graphml [2018-11-10 04:30:04,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:30:04,207 INFO L168 Benchmark]: Toolchain (without parser) took 2648.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -92.8 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:04,208 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:04,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.74 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:04,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:04,208 INFO L168 Benchmark]: Boogie Preprocessor took 28.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:04,209 INFO L168 Benchmark]: RCFGBuilder took 516.47 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: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:04,209 INFO L168 Benchmark]: TraceAbstraction took 1650.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -13.7 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:04,209 INFO L168 Benchmark]: Witness Printer took 78.76 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:04,210 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.74 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 516.47 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: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1650.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -13.7 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. * Witness Printer took 78.76 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 96 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 425 SDtfs, 164 SDslu, 702 SDs, 0 SdLazy, 163 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 153 PreInvPairs, 166 NumberOfFragments, 292 HoareAnnotationTreeSize, 153 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 566 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 24823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...