./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:38:27,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:38:27,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:38:27,051 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:38:27,052 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:38:27,052 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:38:27,053 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:38:27,053 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:38:27,054 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:38:27,055 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:38:27,055 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:38:27,055 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:38:27,056 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:38:27,056 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:38:27,057 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:38:27,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:38:27,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:38:27,058 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:38:27,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:38:27,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:38:27,060 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:38:27,061 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:38:27,062 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:38:27,062 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:38:27,062 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:38:27,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:38:27,063 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:38:27,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:38:27,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:38:27,064 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:38:27,064 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:38:27,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:38:27,065 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:38:27,065 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:38:27,065 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:38:27,066 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:38:27,066 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:38:27,073 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:38:27,073 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:38:27,073 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:38:27,073 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:38:27,074 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:38:27,074 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:38:27,074 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:38:27,074 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:38:27,074 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:38:27,074 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:38:27,074 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:38:27,074 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:38:27,074 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:38:27,075 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:38:27,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:38:27,076 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:38:27,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:38:27,076 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:38:27,076 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:38:27,076 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:38:27,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:38:27,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:38:27,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:38:27,076 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:38:27,076 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:38:27,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:38:27,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:38:27,077 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:38:27,077 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_a23ba557-bfe5-4995-951d-0fe49a664216/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2018-12-09 17:38:27,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:38:27,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:38:27,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:38:27,107 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:38:27,107 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:38:27,108 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-12-09 17:38:27,147 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/data/7637821f8/91f1caac95424a5b95975560968dc106/FLAG48b136b37 [2018-12-09 17:38:27,471 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:38:27,472 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-12-09 17:38:27,477 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/data/7637821f8/91f1caac95424a5b95975560968dc106/FLAG48b136b37 [2018-12-09 17:38:27,485 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/data/7637821f8/91f1caac95424a5b95975560968dc106 [2018-12-09 17:38:27,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:38:27,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:38:27,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:38:27,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:38:27,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:38:27,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27, skipping insertion in model container [2018-12-09 17:38:27,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:38:27,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:38:27,722 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:38:27,731 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:38:27,777 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:38:27,797 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:38:27,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27 WrapperNode [2018-12-09 17:38:27,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:38:27,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:38:27,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:38:27,799 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:38:27,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:38:27,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:38:27,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:38:27,823 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:38:27,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... [2018-12-09 17:38:27,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:38:27,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:38:27,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:38:27,844 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:38:27,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:38:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 17:38:27,877 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 17:38:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:38:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:38:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 17:38:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 17:38:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 17:38:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 17:38:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:38:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 17:38:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 17:38:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 17:38:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 17:38:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 17:38:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 17:38:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 17:38:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 17:38:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 17:38:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 17:38:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 17:38:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 17:38:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 17:38:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 17:38:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 17:38:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 17:38:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 17:38:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 17:38:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 17:38:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 17:38:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 17:38:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 17:38:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 17:38:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 17:38:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:38:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:38:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 17:38:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 17:38:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 17:38:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 17:38:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 17:38:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 17:38:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 17:38:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 17:38:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 17:38:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:38:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:38:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 17:38:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 17:38:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 17:38:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 17:38:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:38:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:38:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 17:38:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 17:38:28,167 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:38:28,168 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 17:38:28,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:38:28 BoogieIcfgContainer [2018-12-09 17:38:28,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:38:28,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:38:28,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:38:28,171 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:38:28,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:38:27" (1/3) ... [2018-12-09 17:38:28,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471a5aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:38:28, skipping insertion in model container [2018-12-09 17:38:28,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:38:27" (2/3) ... [2018-12-09 17:38:28,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471a5aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:38:28, skipping insertion in model container [2018-12-09 17:38:28,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:38:28" (3/3) ... [2018-12-09 17:38:28,173 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-12-09 17:38:28,179 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:38:28,185 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:38:28,194 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:38:28,215 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:38:28,215 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:38:28,215 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:38:28,215 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:38:28,215 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:38:28,215 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:38:28,215 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:38:28,216 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:38:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-12-09 17:38:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 17:38:28,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:38:28,235 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:38:28,236 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:38:28,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:28,240 INFO L82 PathProgramCache]: Analyzing trace with hash -536780395, now seen corresponding path program 1 times [2018-12-09 17:38:28,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:38:28,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:28,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:28,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:28,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:38:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:38:28,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:38:28,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:38:28,411 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:38:28,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:38:28,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:38:28,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:38:28,422 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-12-09 17:38:28,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:38:28,444 INFO L93 Difference]: Finished difference Result 250 states and 315 transitions. [2018-12-09 17:38:28,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:38:28,445 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 17:38:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:38:28,451 INFO L225 Difference]: With dead ends: 250 [2018-12-09 17:38:28,452 INFO L226 Difference]: Without dead ends: 125 [2018-12-09 17:38:28,454 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:38:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-09 17:38:28,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-09 17:38:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-09 17:38:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2018-12-09 17:38:28,484 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2018-12-09 17:38:28,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:38:28,485 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2018-12-09 17:38:28,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:38:28,485 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2018-12-09 17:38:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 17:38:28,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:38:28,487 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:38:28,487 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:38:28,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:28,487 INFO L82 PathProgramCache]: Analyzing trace with hash -70717061, now seen corresponding path program 1 times [2018-12-09 17:38:28,487 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:38:28,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:28,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:28,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:28,488 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:38:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:28,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:38:28,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:38:28,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:38:28,537 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:38:28,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:38:28,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:38:28,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:38:28,538 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 3 states. [2018-12-09 17:38:28,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:38:28,557 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2018-12-09 17:38:28,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:38:28,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 17:38:28,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:38:28,559 INFO L225 Difference]: With dead ends: 193 [2018-12-09 17:38:28,559 INFO L226 Difference]: Without dead ends: 116 [2018-12-09 17:38:28,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:38:28,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-09 17:38:28,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-12-09 17:38:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-09 17:38:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2018-12-09 17:38:28,567 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2018-12-09 17:38:28,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:38:28,568 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2018-12-09 17:38:28,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:38:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2018-12-09 17:38:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 17:38:28,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:38:28,569 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:38:28,569 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:38:28,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:28,570 INFO L82 PathProgramCache]: Analyzing trace with hash 207802392, now seen corresponding path program 1 times [2018-12-09 17:38:28,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:38:28,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:28,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:28,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:28,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:38:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:38:28,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:38:28,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:38:28,626 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:38:28,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:38:28,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:38:28,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:38:28,627 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 7 states. [2018-12-09 17:38:28,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:38:28,894 INFO L93 Difference]: Finished difference Result 350 states and 429 transitions. [2018-12-09 17:38:28,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:38:28,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 17:38:28,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:38:28,898 INFO L225 Difference]: With dead ends: 350 [2018-12-09 17:38:28,898 INFO L226 Difference]: Without dead ends: 258 [2018-12-09 17:38:28,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:38:28,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-12-09 17:38:28,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 250. [2018-12-09 17:38:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-12-09 17:38:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 306 transitions. [2018-12-09 17:38:28,926 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 306 transitions. Word has length 51 [2018-12-09 17:38:28,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:38:28,926 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 306 transitions. [2018-12-09 17:38:28,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:38:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 306 transitions. [2018-12-09 17:38:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 17:38:28,929 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:38:28,929 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:38:28,929 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:38:28,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:28,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1224243647, now seen corresponding path program 1 times [2018-12-09 17:38:28,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:38:28,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:28,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:28,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:28,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:38:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:38:29,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:38:29,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:38:29,009 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:38:29,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:38:29,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:38:29,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:38:29,010 INFO L87 Difference]: Start difference. First operand 250 states and 306 transitions. Second operand 6 states. [2018-12-09 17:38:29,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:38:29,112 INFO L93 Difference]: Finished difference Result 687 states and 866 transitions. [2018-12-09 17:38:29,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:38:29,113 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 17:38:29,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:38:29,116 INFO L225 Difference]: With dead ends: 687 [2018-12-09 17:38:29,116 INFO L226 Difference]: Without dead ends: 461 [2018-12-09 17:38:29,118 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:38:29,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-12-09 17:38:29,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 455. [2018-12-09 17:38:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-09 17:38:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 562 transitions. [2018-12-09 17:38:29,153 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 562 transitions. Word has length 57 [2018-12-09 17:38:29,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:38:29,153 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 562 transitions. [2018-12-09 17:38:29,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:38:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 562 transitions. [2018-12-09 17:38:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 17:38:29,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:38:29,155 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:38:29,155 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:38:29,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:29,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1343843939, now seen corresponding path program 1 times [2018-12-09 17:38:29,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:38:29,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:29,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:29,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:29,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:38:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:38:29,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:38:29,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:38:29,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:38:29,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:38:29,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:38:29,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:38:29,214 INFO L87 Difference]: Start difference. First operand 455 states and 562 transitions. Second operand 7 states. [2018-12-09 17:38:29,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:38:29,387 INFO L93 Difference]: Finished difference Result 741 states and 940 transitions. [2018-12-09 17:38:29,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:38:29,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 17:38:29,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:38:29,388 INFO L225 Difference]: With dead ends: 741 [2018-12-09 17:38:29,388 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:38:29,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:38:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:38:29,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:38:29,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:38:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:38:29,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-09 17:38:29,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:38:29,391 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:38:29,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:38:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:38:29,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:38:29,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:38:29,979 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 256 262) the Hoare annotation is: true [2018-12-09 17:38:29,979 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 256 262) no Hoare annotation was computed. [2018-12-09 17:38:29,979 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 263 271) no Hoare annotation was computed. [2018-12-09 17:38:29,979 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 263 271) the Hoare annotation is: true [2018-12-09 17:38:29,979 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 263 271) no Hoare annotation was computed. [2018-12-09 17:38:29,979 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-09 17:38:29,979 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-09 17:38:29,980 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,980 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,980 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,980 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,980 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-09 17:38:29,980 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-09 17:38:29,980 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,980 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,981 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-09 17:38:29,981 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 17:38:29,981 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 17:38:29,981 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2018-12-09 17:38:29,981 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 17:38:29,981 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-09 17:38:29,981 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2018-12-09 17:38:29,982 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 17:38:29,982 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 339 363) no Hoare annotation was computed. [2018-12-09 17:38:29,982 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 17:38:29,982 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2018-12-09 17:38:29,982 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2018-12-09 17:38:29,982 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 17:38:29,982 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-12-09 17:38:29,982 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-09 17:38:29,982 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2018-12-09 17:38:29,982 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 434 442) no Hoare annotation was computed. [2018-12-09 17:38:29,982 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 434 442) the Hoare annotation is: true [2018-12-09 17:38:29,983 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 434 442) no Hoare annotation was computed. [2018-12-09 17:38:29,983 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2018-12-09 17:38:29,983 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-12-09 17:38:29,983 INFO L451 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2018-12-09 17:38:29,983 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2018-12-09 17:38:29,983 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2018-12-09 17:38:29,983 INFO L448 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2018-12-09 17:38:29,983 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2018-12-09 17:38:29,983 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 249 255) no Hoare annotation was computed. [2018-12-09 17:38:29,983 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 249 255) the Hoare annotation is: true [2018-12-09 17:38:29,984 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,984 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-09 17:38:29,984 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-09 17:38:29,984 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 423 433) the Hoare annotation is: true [2018-12-09 17:38:29,984 INFO L451 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: true [2018-12-09 17:38:29,984 INFO L448 ceAbstractionStarter]: For program point L428-1(line 428) no Hoare annotation was computed. [2018-12-09 17:38:29,984 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 423 433) no Hoare annotation was computed. [2018-12-09 17:38:29,984 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 423 433) no Hoare annotation was computed. [2018-12-09 17:38:29,984 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 415 422) the Hoare annotation is: true [2018-12-09 17:38:29,984 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 415 422) no Hoare annotation was computed. [2018-12-09 17:38:29,985 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 415 422) no Hoare annotation was computed. [2018-12-09 17:38:29,985 INFO L444 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 17:38:29,985 INFO L448 ceAbstractionStarter]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2018-12-09 17:38:29,985 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 17:38:29,985 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 17:38:29,985 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 365 389) no Hoare annotation was computed. [2018-12-09 17:38:29,985 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 381) no Hoare annotation was computed. [2018-12-09 17:38:29,985 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 365 389) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 17:38:29,985 INFO L444 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 17:38:29,985 INFO L448 ceAbstractionStarter]: For program point L371-1(line 371) no Hoare annotation was computed. [2018-12-09 17:38:29,985 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 386) no Hoare annotation was computed. [2018-12-09 17:38:29,986 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2018-12-09 17:38:29,986 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2018-12-09 17:38:29,986 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 514 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,986 INFO L444 ceAbstractionStarter]: At program point L572(lines 523 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,986 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 514 579) no Hoare annotation was computed. [2018-12-09 17:38:29,986 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,986 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-12-09 17:38:29,986 INFO L444 ceAbstractionStarter]: At program point L560-1(lines 554 567) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,986 INFO L448 ceAbstractionStarter]: For program point L525(lines 524 571) no Hoare annotation was computed. [2018-12-09 17:38:29,986 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 567) no Hoare annotation was computed. [2018-12-09 17:38:29,987 INFO L444 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,987 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2018-12-09 17:38:29,987 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2018-12-09 17:38:29,987 INFO L444 ceAbstractionStarter]: At program point L569(lines 524 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,987 INFO L444 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:38:29,987 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-12-09 17:38:29,987 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2018-12-09 17:38:29,987 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2018-12-09 17:38:29,987 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 514 579) no Hoare annotation was computed. [2018-12-09 17:38:29,987 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 228 236) no Hoare annotation was computed. [2018-12-09 17:38:29,987 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 228 236) the Hoare annotation is: true [2018-12-09 17:38:29,988 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 228 236) no Hoare annotation was computed. [2018-12-09 17:38:29,988 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:38:29,988 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 17:38:29,988 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:38:29,988 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 175 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-09 17:38:29,988 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 175 186) no Hoare annotation was computed. [2018-12-09 17:38:29,988 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 175 186) no Hoare annotation was computed. [2018-12-09 17:38:29,988 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 187 195) the Hoare annotation is: true [2018-12-09 17:38:29,988 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 187 195) no Hoare annotation was computed. [2018-12-09 17:38:29,988 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 187 195) no Hoare annotation was computed. [2018-12-09 17:38:29,988 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 17:38:29,989 INFO L444 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 17:38:29,989 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 17:38:29,989 INFO L448 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2018-12-09 17:38:29,989 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 17:38:29,989 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2018-12-09 17:38:29,989 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2018-12-09 17:38:29,989 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 17:38:29,989 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 17:38:29,989 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 17:38:29,989 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 17:38:29,989 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 17:38:29,990 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 17:38:29,990 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 17:38:29,990 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 17:38:29,990 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 17:38:29,990 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 17:38:29,990 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 151 162) the Hoare annotation is: true [2018-12-09 17:38:29,990 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 151 162) no Hoare annotation was computed. [2018-12-09 17:38:29,990 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 151 162) no Hoare annotation was computed. [2018-12-09 17:38:29,990 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 17:38:29,990 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 17:38:29,990 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:38:29,991 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 17:38:29,991 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:38:29,991 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:38:29,991 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 163 174) no Hoare annotation was computed. [2018-12-09 17:38:29,991 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 163 174) no Hoare annotation was computed. [2018-12-09 17:38:29,991 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 163 174) the Hoare annotation is: true [2018-12-09 17:38:29,991 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2018-12-09 17:38:29,991 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2018-12-09 17:38:29,991 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2018-12-09 17:38:29,991 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2018-12-09 17:38:29,992 INFO L444 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 17:38:29,992 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2018-12-09 17:38:29,992 INFO L444 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 17:38:29,992 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 275 299) the Hoare annotation is: true [2018-12-09 17:38:29,992 INFO L448 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2018-12-09 17:38:29,992 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 296) no Hoare annotation was computed. [2018-12-09 17:38:29,992 INFO L448 ceAbstractionStarter]: For program point L283-1(lines 275 299) no Hoare annotation was computed. [2018-12-09 17:38:29,992 INFO L451 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2018-12-09 17:38:29,992 INFO L448 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2018-12-09 17:38:29,992 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 275 299) no Hoare annotation was computed. [2018-12-09 17:38:30,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:38:30 BoogieIcfgContainer [2018-12-09 17:38:30,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:38:30,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:38:30,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:38:30,003 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:38:30,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:38:28" (3/4) ... [2018-12-09 17:38:30,007 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:38:30,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 17:38:30,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 17:38:30,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 17:38:30,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 17:38:30,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 17:38:30,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 17:38:30,020 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 17:38:30,021 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 17:38:30,021 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 17:38:30,021 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 17:38:30,022 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 17:38:30,022 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:38:30,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 17:38:30,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 17:38:30,076 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a23ba557-bfe5-4995-951d-0fe49a664216/bin-2019/utaipan/witness.graphml [2018-12-09 17:38:30,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:38:30,077 INFO L168 Benchmark]: Toolchain (without parser) took 2589.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 89.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:38:30,078 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:38:30,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-09 17:38:30,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.99 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. [2018-12-09 17:38:30,079 INFO L168 Benchmark]: Boogie Preprocessor took 21.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:38:30,079 INFO L168 Benchmark]: RCFGBuilder took 323.90 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:38:30,079 INFO L168 Benchmark]: TraceAbstraction took 1833.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.0 MB). Peak memory consumption was 292.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:38:30,080 INFO L168 Benchmark]: Witness Printer took 73.80 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:38:30,081 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.99 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. * Boogie Preprocessor took 21.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 323.90 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1833.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.0 MB). Peak memory consumption was 292.7 MB. Max. memory is 11.5 GB. * Witness Printer took 73.80 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 524]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 138 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 697 SDtfs, 479 SDslu, 1272 SDs, 0 SdLazy, 448 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 582 PreInvPairs, 627 NumberOfFragments, 527 HoareAnnotationTreeSize, 582 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 59 FomulaSimplificationsInter, 2069 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25527 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...