./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05_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_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:46:32,999 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:46:33,000 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:46:33,007 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:46:33,007 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:46:33,008 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:46:33,008 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:46:33,009 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:46:33,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:46:33,011 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:46:33,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:46:33,012 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:46:33,012 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:46:33,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:46:33,013 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:46:33,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:46:33,014 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:46:33,016 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:46:33,017 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:46:33,018 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:46:33,019 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:46:33,019 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:46:33,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:46:33,021 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:46:33,021 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:46:33,021 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:46:33,022 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:46:33,022 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:46:33,023 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:46:33,023 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:46:33,024 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:46:33,024 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:46:33,024 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:46:33,024 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:46:33,025 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:46:33,025 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:46:33,026 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:46:33,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:46:33,033 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:46:33,034 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:46:33,034 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:46:33,034 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:46:33,034 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:46:33,034 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:46:33,034 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:46:33,034 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:46:33,034 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:46:33,034 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:46:33,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:46:33,035 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:46:33,035 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:46:33,035 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:46:33,035 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:46:33,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:46:33,036 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:46:33,036 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:46:33,036 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:46:33,036 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:46:33,036 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:46:33,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:46:33,036 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:46:33,036 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:46:33,036 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:46:33,037 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:46:33,037 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:46:33,037 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:46:33,037 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:46:33,037 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:46:33,037 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:46:33,037 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:46:33,037 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:46:33,038 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_784e03ea-cce6-4c23-b845-ba9e3fb7807c/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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2018-11-10 03:46:33,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:46:33,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:46:33,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:46:33,070 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:46:33,070 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:46:33,071 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:33,106 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/data/ddaf51786/4d7e3cde86e54af48057f62853061549/FLAG5ed4a99fd [2018-11-10 03:46:33,543 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:46:33,544 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:33,550 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/data/ddaf51786/4d7e3cde86e54af48057f62853061549/FLAG5ed4a99fd [2018-11-10 03:46:33,559 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/data/ddaf51786/4d7e3cde86e54af48057f62853061549 [2018-11-10 03:46:33,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:46:33,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:46:33,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:46:33,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:46:33,566 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:46:33,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,569 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 03:46:33, skipping insertion in model container [2018-11-10 03:46:33,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:46:33,611 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:46:33,797 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:46:33,804 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:46:33,855 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:46:33,877 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:46:33,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33 WrapperNode [2018-11-10 03:46:33,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:46:33,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:46:33,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:46:33,878 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:46:33,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:46:33,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:46:33,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:46:33,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:46:33,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... [2018-11-10 03:46:33,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:46:33,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:46:33,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:46:33,988 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:46:33,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/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 03:46:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 03:46:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 03:46:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 03:46:34,031 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 03:46:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:46:34,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:46:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 03:46:34,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 03:46:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 03:46:34,031 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 03:46:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 03:46:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 03:46:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 03:46:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 03:46:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:46:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:46:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 03:46:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 03:46:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:46:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:46:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 03:46:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 03:46:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:46:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:46:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:46:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:46:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:46:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:46:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:46:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:46:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:46:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:46:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 03:46:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 03:46:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:46:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:46:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 03:46:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 03:46:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:46:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:46:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 03:46:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 03:46:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:46:34,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:46:34,569 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:46:34,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:34 BoogieIcfgContainer [2018-11-10 03:46:34,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:46:34,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:46:34,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:46:34,571 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:46:34,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:46:33" (1/3) ... [2018-11-10 03:46:34,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73799368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:46:34, skipping insertion in model container [2018-11-10 03:46:34,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:33" (2/3) ... [2018-11-10 03:46:34,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73799368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:46:34, skipping insertion in model container [2018-11-10 03:46:34,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:34" (3/3) ... [2018-11-10 03:46:34,574 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:34,582 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:46:34,587 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:46:34,596 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:46:34,614 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:46:34,614 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:46:34,614 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:46:34,614 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:46:34,614 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:46:34,615 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:46:34,615 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:46:34,615 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:46:34,627 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2018-11-10 03:46:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 03:46:34,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:34,634 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 03:46:34,636 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:34,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:34,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1657622459, now seen corresponding path program 1 times [2018-11-10 03:46:34,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:34,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:34,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:34,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:34,671 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:34,828 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 03:46:34,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:34,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:46:34,830 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:34,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:46:34,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:46:34,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:46:34,844 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2018-11-10 03:46:34,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:34,868 INFO L93 Difference]: Finished difference Result 202 states and 253 transitions. [2018-11-10 03:46:34,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:46:34,869 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 03:46:34,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:34,877 INFO L225 Difference]: With dead ends: 202 [2018-11-10 03:46:34,877 INFO L226 Difference]: Without dead ends: 101 [2018-11-10 03:46:34,879 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 03:46:34,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-10 03:46:34,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-10 03:46:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-10 03:46:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2018-11-10 03:46:34,912 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 46 [2018-11-10 03:46:34,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:34,912 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2018-11-10 03:46:34,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:46:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2018-11-10 03:46:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:46:34,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:34,915 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 03:46:34,915 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:34,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:34,915 INFO L82 PathProgramCache]: Analyzing trace with hash -815264703, now seen corresponding path program 1 times [2018-11-10 03:46:34,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:34,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:34,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:34,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:34,916 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:34,998 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 03:46:34,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:34,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:46:34,999 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:35,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:46:35,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:46:35,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:46:35,001 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 3 states. [2018-11-10 03:46:35,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:35,017 INFO L93 Difference]: Finished difference Result 149 states and 173 transitions. [2018-11-10 03:46:35,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:46:35,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 03:46:35,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:35,020 INFO L225 Difference]: With dead ends: 149 [2018-11-10 03:46:35,020 INFO L226 Difference]: Without dead ends: 91 [2018-11-10 03:46:35,021 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 03:46:35,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-10 03:46:35,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-10 03:46:35,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-10 03:46:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2018-11-10 03:46:35,032 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 48 [2018-11-10 03:46:35,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:35,032 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2018-11-10 03:46:35,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:46:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2018-11-10 03:46:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 03:46:35,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:35,034 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 03:46:35,034 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:35,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:35,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1178022568, now seen corresponding path program 1 times [2018-11-10 03:46:35,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:35,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:35,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:35,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:35,037 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:35,148 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 03:46:35,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:35,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:46:35,149 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:35,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:46:35,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:46:35,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:46:35,150 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 7 states. [2018-11-10 03:46:35,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:35,379 INFO L93 Difference]: Finished difference Result 158 states and 187 transitions. [2018-11-10 03:46:35,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:46:35,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 03:46:35,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:35,380 INFO L225 Difference]: With dead ends: 158 [2018-11-10 03:46:35,380 INFO L226 Difference]: Without dead ends: 91 [2018-11-10 03:46:35,381 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 03:46:35,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-10 03:46:35,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-10 03:46:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-10 03:46:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2018-11-10 03:46:35,386 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 52 [2018-11-10 03:46:35,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:35,387 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2018-11-10 03:46:35,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:46:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2018-11-10 03:46:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 03:46:35,388 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:35,388 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 03:46:35,388 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:35,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:35,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1486249472, now seen corresponding path program 1 times [2018-11-10 03:46:35,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:35,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:35,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:35,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:35,389 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:35,478 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 03:46:35,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:35,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:46:35,478 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:35,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:46:35,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:46:35,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:46:35,479 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 6 states. [2018-11-10 03:46:35,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:35,697 INFO L93 Difference]: Finished difference Result 218 states and 261 transitions. [2018-11-10 03:46:35,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:46:35,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-10 03:46:35,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:35,700 INFO L225 Difference]: With dead ends: 218 [2018-11-10 03:46:35,700 INFO L226 Difference]: Without dead ends: 151 [2018-11-10 03:46:35,701 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 03:46:35,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-10 03:46:35,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149. [2018-11-10 03:46:35,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-10 03:46:35,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-10 03:46:35,717 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 60 [2018-11-10 03:46:35,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:35,717 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-10 03:46:35,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:46:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-10 03:46:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 03:46:35,719 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:46:35,719 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, 1, 1, 1, 1] [2018-11-10 03:46:35,720 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:46:35,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:35,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1593859484, now seen corresponding path program 1 times [2018-11-10 03:46:35,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:46:35,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:35,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:46:35,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:46:35,722 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:46:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:35,805 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 03:46:35,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:46:35,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:46:35,806 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:46:35,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:46:35,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:46:35,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:46:35,807 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 7 states. [2018-11-10 03:46:36,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:46:36,043 INFO L93 Difference]: Finished difference Result 239 states and 286 transitions. [2018-11-10 03:46:36,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:46:36,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-10 03:46:36,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:46:36,045 INFO L225 Difference]: With dead ends: 239 [2018-11-10 03:46:36,046 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:46:36,047 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 03:46:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:46:36,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:46:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:46:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:46:36,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-10 03:46:36,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:46:36,047 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:46:36,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:46:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:46:36,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:46:36,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:46:36,446 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2018-11-10 03:46:36,447 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2018-11-10 03:46:36,447 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 200 207) no Hoare annotation was computed. [2018-11-10 03:46:36,447 INFO L421 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,447 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2018-11-10 03:46:36,447 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 167 191) no Hoare annotation was computed. [2018-11-10 03:46:36,447 INFO L421 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,447 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 167 191) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,447 INFO L421 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,447 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 183) no Hoare annotation was computed. [2018-11-10 03:46:36,447 INFO L421 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,448 INFO L425 ceAbstractionStarter]: For program point L173-1(line 173) no Hoare annotation was computed. [2018-11-10 03:46:36,448 INFO L425 ceAbstractionStarter]: For program point L171(lines 171 188) no Hoare annotation was computed. [2018-11-10 03:46:36,448 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 849 855) the Hoare annotation is: true [2018-11-10 03:46:36,448 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 849 855) no Hoare annotation was computed. [2018-11-10 03:46:36,448 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2018-11-10 03:46:36,448 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2018-11-10 03:46:36,448 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 856 864) no Hoare annotation was computed. [2018-11-10 03:46:36,448 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 856 864) the Hoare annotation is: true [2018-11-10 03:46:36,448 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 856 864) no Hoare annotation was computed. [2018-11-10 03:46:36,448 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 275 338) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:46:36,448 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 291) no Hoare annotation was computed. [2018-11-10 03:46:36,448 INFO L425 ceAbstractionStarter]: For program point L285-1(lines 285 330) no Hoare annotation was computed. [2018-11-10 03:46:36,449 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 275 338) no Hoare annotation was computed. [2018-11-10 03:46:36,449 INFO L421 ceAbstractionStarter]: At program point L331(lines 284 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:46:36,449 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2018-11-10 03:46:36,449 INFO L421 ceAbstractionStarter]: At program point L321-2(lines 315 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:46:36,449 INFO L425 ceAbstractionStarter]: For program point L286(lines 285 330) no Hoare annotation was computed. [2018-11-10 03:46:36,449 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-10 03:46:36,449 INFO L421 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:46:36,449 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2018-11-10 03:46:36,449 INFO L425 ceAbstractionStarter]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2018-11-10 03:46:36,449 INFO L421 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:46:36,450 INFO L421 ceAbstractionStarter]: At program point L328(lines 285 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:46:36,450 INFO L425 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-11-10 03:46:36,450 INFO L425 ceAbstractionStarter]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2018-11-10 03:46:36,450 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 275 338) no Hoare annotation was computed. [2018-11-10 03:46:36,450 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 807 829) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:46:36,450 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 807 829) no Hoare annotation was computed. [2018-11-10 03:46:36,450 INFO L421 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 03:46:36,450 INFO L421 ceAbstractionStarter]: At program point L819-1(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 03:46:36,450 INFO L425 ceAbstractionStarter]: For program point L817(lines 817 824) no Hoare annotation was computed. [2018-11-10 03:46:36,450 INFO L425 ceAbstractionStarter]: For program point L817-1(lines 817 824) no Hoare annotation was computed. [2018-11-10 03:46:36,451 INFO L425 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2018-11-10 03:46:36,451 INFO L421 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:46:36,451 INFO L421 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:46:36,451 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 807 829) no Hoare annotation was computed. [2018-11-10 03:46:36,451 INFO L421 ceAbstractionStarter]: At program point L813-1(line 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:46:36,451 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2018-11-10 03:46:36,451 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2018-11-10 03:46:36,451 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 219 227) no Hoare annotation was computed. [2018-11-10 03:46:36,451 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:46:36,451 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 03:46:36,451 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:46:36,451 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:46:36,452 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-10 03:46:36,452 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-10 03:46:36,452 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-10 03:46:36,452 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-10 03:46:36,452 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-10 03:46:36,452 INFO L421 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,452 INFO L421 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,452 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,452 INFO L421 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,452 INFO L425 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2018-11-10 03:46:36,452 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2018-11-10 03:46:36,452 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2018-11-10 03:46:36,452 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 733 762) no Hoare annotation was computed. [2018-11-10 03:46:36,453 INFO L428 ceAbstractionStarter]: At program point L758(lines 733 762) the Hoare annotation is: true [2018-11-10 03:46:36,453 INFO L425 ceAbstractionStarter]: For program point L754(line 754) no Hoare annotation was computed. [2018-11-10 03:46:36,453 INFO L425 ceAbstractionStarter]: For program point L744(line 744) no Hoare annotation was computed. [2018-11-10 03:46:36,453 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 733 762) the Hoare annotation is: true [2018-11-10 03:46:36,453 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-10 03:46:36,453 INFO L428 ceAbstractionStarter]: At program point L747-1(lines 747 751) the Hoare annotation is: true [2018-11-10 03:46:36,453 INFO L425 ceAbstractionStarter]: For program point L743-1(lines 743 757) no Hoare annotation was computed. [2018-11-10 03:46:36,453 INFO L428 ceAbstractionStarter]: At program point L743-3(lines 743 757) the Hoare annotation is: true [2018-11-10 03:46:36,453 INFO L428 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: true [2018-11-10 03:46:36,453 INFO L425 ceAbstractionStarter]: For program point L739-1(line 739) no Hoare annotation was computed. [2018-11-10 03:46:36,453 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-10 03:46:36,453 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-10 03:46:36,453 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-10 03:46:36,454 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 842 848) no Hoare annotation was computed. [2018-11-10 03:46:36,454 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 842 848) the Hoare annotation is: true [2018-11-10 03:46:36,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:46:36,454 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 03:46:36,454 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:46:36,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:46:36,454 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 787 793) no Hoare annotation was computed. [2018-11-10 03:46:36,454 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 787 793) the Hoare annotation is: true [2018-11-10 03:46:36,454 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-10 03:46:36,454 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-10 03:46:36,454 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-11-10 03:46:36,454 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 265 272) no Hoare annotation was computed. [2018-11-10 03:46:36,454 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2018-11-10 03:46:36,455 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 265 272) the Hoare annotation is: true [2018-11-10 03:46:36,455 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 265 272) no Hoare annotation was computed. [2018-11-10 03:46:36,455 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 794 803) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:46:36,455 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 794 803) no Hoare annotation was computed. [2018-11-10 03:46:36,455 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 794 803) no Hoare annotation was computed. [2018-11-10 03:46:36,455 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 706 730) the Hoare annotation is: true [2018-11-10 03:46:36,455 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 706 730) no Hoare annotation was computed. [2018-11-10 03:46:36,455 INFO L421 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 03:46:36,455 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 724) no Hoare annotation was computed. [2018-11-10 03:46:36,455 INFO L421 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 03:46:36,455 INFO L425 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2018-11-10 03:46:36,455 INFO L425 ceAbstractionStarter]: For program point L714(lines 714 727) no Hoare annotation was computed. [2018-11-10 03:46:36,456 INFO L425 ceAbstractionStarter]: For program point L714-1(lines 706 730) no Hoare annotation was computed. [2018-11-10 03:46:36,456 INFO L428 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: true [2018-11-10 03:46:36,456 INFO L425 ceAbstractionStarter]: For program point L712-1(line 712) no Hoare annotation was computed. [2018-11-10 03:46:36,456 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 208 218) the Hoare annotation is: true [2018-11-10 03:46:36,456 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2018-11-10 03:46:36,456 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 208 218) no Hoare annotation was computed. [2018-11-10 03:46:36,456 INFO L428 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: true [2018-11-10 03:46:36,456 INFO L425 ceAbstractionStarter]: For program point L213-1(line 213) no Hoare annotation was computed. [2018-11-10 03:46:36,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:46:36 BoogieIcfgContainer [2018-11-10 03:46:36,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:46:36,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:46:36,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:46:36,467 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:46:36,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:34" (3/4) ... [2018-11-10 03:46:36,470 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 03:46:36,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:46:36,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:46:36,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:46:36,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:46:36,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:46:36,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 03:46:36,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 03:46:36,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 03:46:36,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:46:36,478 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 03:46:36,478 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 03:46:36,478 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:46:36,478 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 03:46:36,493 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 03:46:36,494 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 03:46:36,494 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 03:46:36,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-10 03:46:36,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:46:36,555 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_784e03ea-cce6-4c23-b845-ba9e3fb7807c/bin-2019/utaipan/witness.graphml [2018-11-10 03:46:36,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:46:36,556 INFO L168 Benchmark]: Toolchain (without parser) took 2994.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 959.2 MB in the beginning and 985.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:36,557 INFO L168 Benchmark]: CDTParser took 0.17 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 03:46:36,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.28 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 934.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:36,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:36,558 INFO L168 Benchmark]: Boogie Preprocessor took 23.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:36,558 INFO L168 Benchmark]: RCFGBuilder took 581.21 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: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:36,558 INFO L168 Benchmark]: TraceAbstraction took 1896.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 996.2 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:36,558 INFO L168 Benchmark]: Witness Printer took 89.12 ms. Allocated memory is still 1.2 GB. Free memory was 996.2 MB in the beginning and 985.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:36,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 314.28 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 934.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 581.21 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: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1896.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 996.2 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Witness Printer took 89.12 ms. Allocated memory is still 1.2 GB. Free memory was 996.2 MB in the beginning and 985.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: 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: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 114 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 509 SDtfs, 241 SDslu, 787 SDs, 0 SdLazy, 301 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 48 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 427 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 27323 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...