./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_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_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/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 28a54042f1f5566756557cd1279c2453038441ec ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:28:59,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:28:59,946 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:28:59,952 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:28:59,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:28:59,953 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:28:59,954 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:28:59,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:28:59,956 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:28:59,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:28:59,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:28:59,958 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:28:59,958 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:28:59,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:28:59,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:28:59,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:28:59,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:28:59,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:28:59,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:28:59,963 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:28:59,964 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:28:59,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:28:59,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:28:59,966 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:28:59,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:28:59,966 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:28:59,967 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:28:59,967 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:28:59,967 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:28:59,968 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:28:59,968 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:28:59,968 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:28:59,968 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:28:59,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:28:59,969 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:28:59,970 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:28:59,970 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:28:59,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:28:59,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:28:59,978 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:28:59,978 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:28:59,978 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:28:59,979 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:28:59,979 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:28:59,979 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:28:59,979 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:28:59,979 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:28:59,979 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:28:59,980 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:28:59,980 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:28:59,980 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:28:59,980 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:28:59,981 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:28:59,981 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:28:59,981 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:28:59,981 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:28:59,981 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:28:59,981 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:28:59,981 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:28:59,982 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:28:59,982 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:28:59,982 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:28:59,982 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:28:59,982 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:28:59,982 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:28:59,983 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:28:59,983 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:28:59,983 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:28:59,983 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:28:59,983 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:28:59,983 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:28:59,983 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:28:59,984 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:28:59,984 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_443d432a-5129-480f-9246-950b554571c6/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 -> 28a54042f1f5566756557cd1279c2453038441ec [2018-12-03 07:29:00,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:29:00,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:29:00,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:29:00,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:29:00,020 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:29:00,021 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-12-03 07:29:00,060 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/data/f41470e36/0f2fdf82c985449daa1e4bfb6c73bfca/FLAGd9341cf02 [2018-12-03 07:29:00,389 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:29:00,390 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-12-03 07:29:00,396 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/data/f41470e36/0f2fdf82c985449daa1e4bfb6c73bfca/FLAGd9341cf02 [2018-12-03 07:29:00,790 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/data/f41470e36/0f2fdf82c985449daa1e4bfb6c73bfca [2018-12-03 07:29:00,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:29:00,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:29:00,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:29:00,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:29:00,797 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:29:00,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:29:00" (1/1) ... [2018-12-03 07:29:00,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:00, skipping insertion in model container [2018-12-03 07:29:00,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:29:00" (1/1) ... [2018-12-03 07:29:00,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:29:00,834 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:29:00,993 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:29:01,033 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:29:01,075 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:29:01,090 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:29:01,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01 WrapperNode [2018-12-03 07:29:01,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:29:01,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:29:01,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:29:01,091 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:29:01,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:29:01,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:29:01,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:29:01,112 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:29:01,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... [2018-12-03 07:29:01,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:29:01,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:29:01,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:29:01,134 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:29:01,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/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 [2018-12-03 07:29:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 07:29:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 07:29:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:29:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:29:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 07:29:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 07:29:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 07:29:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 07:29:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 07:29:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 07:29:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 07:29:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 07:29:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 07:29:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 07:29:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 07:29:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 07:29:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 07:29:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 07:29:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 07:29:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 07:29:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 07:29:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 07:29:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 07:29:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 07:29:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 07:29:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 07:29:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 07:29:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 07:29:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 07:29:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 07:29:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 07:29:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 07:29:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 07:29:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 07:29:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 07:29:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 07:29:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 07:29:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 07:29:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 07:29:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 07:29:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:29:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:29:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 07:29:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 07:29:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 07:29:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 07:29:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:29:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:29:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-03 07:29:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-03 07:29:01,427 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:29:01,428 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 07:29:01,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:29:01 BoogieIcfgContainer [2018-12-03 07:29:01,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:29:01,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:29:01,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:29:01,430 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:29:01,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:29:00" (1/3) ... [2018-12-03 07:29:01,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59246544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:29:01, skipping insertion in model container [2018-12-03 07:29:01,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:29:01" (2/3) ... [2018-12-03 07:29:01,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59246544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:29:01, skipping insertion in model container [2018-12-03 07:29:01,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:29:01" (3/3) ... [2018-12-03 07:29:01,432 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-12-03 07:29:01,438 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:29:01,443 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:29:01,452 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:29:01,470 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:29:01,471 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:29:01,471 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:29:01,471 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:29:01,471 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:29:01,471 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:29:01,471 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:29:01,471 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:29:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-12-03 07:29:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 07:29:01,486 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:29:01,487 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] [2018-12-03 07:29:01,488 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:29:01,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:29:01,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1064448231, now seen corresponding path program 1 times [2018-12-03 07:29:01,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:29:01,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:01,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:29:01,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:01,522 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:29:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:29:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:29:01,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:29:01,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 07:29:01,650 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:29:01,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 07:29:01,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 07:29:01,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 07:29:01,662 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-12-03 07:29:01,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:29:01,682 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2018-12-03 07:29:01,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 07:29:01,683 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-03 07:29:01,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:29:01,690 INFO L225 Difference]: With dead ends: 216 [2018-12-03 07:29:01,690 INFO L226 Difference]: Without dead ends: 108 [2018-12-03 07:29:01,692 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 [2018-12-03 07:29:01,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-12-03 07:29:01,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-12-03 07:29:01,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-12-03 07:29:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2018-12-03 07:29:01,720 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2018-12-03 07:29:01,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:29:01,720 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2018-12-03 07:29:01,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 07:29:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2018-12-03 07:29:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 07:29:01,722 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:29:01,722 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] [2018-12-03 07:29:01,722 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:29:01,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:29:01,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1875951637, now seen corresponding path program 1 times [2018-12-03 07:29:01,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:29:01,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:01,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:29:01,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:01,723 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:29:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:29:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:29:01,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:29:01,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:29:01,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:29:01,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:29:01,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:29:01,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:29:01,795 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2018-12-03 07:29:01,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:29:01,811 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2018-12-03 07:29:01,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:29:01,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 07:29:01,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:29:01,813 INFO L225 Difference]: With dead ends: 161 [2018-12-03 07:29:01,813 INFO L226 Difference]: Without dead ends: 99 [2018-12-03 07:29:01,814 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 [2018-12-03 07:29:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-12-03 07:29:01,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-12-03 07:29:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-03 07:29:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2018-12-03 07:29:01,823 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2018-12-03 07:29:01,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:29:01,823 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2018-12-03 07:29:01,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:29:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2018-12-03 07:29:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 07:29:01,824 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:29:01,824 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:29:01,825 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:29:01,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:29:01,825 INFO L82 PathProgramCache]: Analyzing trace with hash 539608629, now seen corresponding path program 1 times [2018-12-03 07:29:01,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:29:01,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:01,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:29:01,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:01,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:29:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:29:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:29:01,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:29:01,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:29:01,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:29:01,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:29:01,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:29:01,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:29:01,896 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 3 states. [2018-12-03 07:29:01,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:29:01,910 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2018-12-03 07:29:01,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:29:01,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 07:29:01,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:29:01,912 INFO L225 Difference]: With dead ends: 174 [2018-12-03 07:29:01,912 INFO L226 Difference]: Without dead ends: 99 [2018-12-03 07:29:01,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:29:01,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-12-03 07:29:01,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-12-03 07:29:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-03 07:29:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2018-12-03 07:29:01,921 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2018-12-03 07:29:01,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:29:01,921 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2018-12-03 07:29:01,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:29:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2018-12-03 07:29:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-03 07:29:01,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:29:01,922 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] [2018-12-03 07:29:01,923 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:29:01,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:29:01,923 INFO L82 PathProgramCache]: Analyzing trace with hash -956669222, now seen corresponding path program 1 times [2018-12-03 07:29:01,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:29:01,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:01,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:29:01,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:01,924 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:29:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:29:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:29:01,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:29:01,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:29:01,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:29:01,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:29:01,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:29:01,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:29:01,992 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 6 states. [2018-12-03 07:29:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:29:02,119 INFO L93 Difference]: Finished difference Result 242 states and 285 transitions. [2018-12-03 07:29:02,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:29:02,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-03 07:29:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:29:02,121 INFO L225 Difference]: With dead ends: 242 [2018-12-03 07:29:02,122 INFO L226 Difference]: Without dead ends: 167 [2018-12-03 07:29:02,122 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 [2018-12-03 07:29:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-12-03 07:29:02,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2018-12-03 07:29:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-12-03 07:29:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2018-12-03 07:29:02,137 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 60 [2018-12-03 07:29:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:29:02,137 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2018-12-03 07:29:02,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:29:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2018-12-03 07:29:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-03 07:29:02,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:29:02,139 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, 1, 1, 1] [2018-12-03 07:29:02,139 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:29:02,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:29:02,139 INFO L82 PathProgramCache]: Analyzing trace with hash 184291830, now seen corresponding path program 1 times [2018-12-03 07:29:02,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:29:02,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:02,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:29:02,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:29:02,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:29:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:29:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:29:02,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:29:02,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:29:02,215 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:29:02,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:29:02,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:29:02,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:29:02,216 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 7 states. [2018-12-03 07:29:02,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:29:02,386 INFO L93 Difference]: Finished difference Result 261 states and 308 transitions. [2018-12-03 07:29:02,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 07:29:02,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-03 07:29:02,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:29:02,387 INFO L225 Difference]: With dead ends: 261 [2018-12-03 07:29:02,387 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 07:29:02,389 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 [2018-12-03 07:29:02,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 07:29:02,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 07:29:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 07:29:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 07:29:02,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-12-03 07:29:02,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:29:02,390 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 07:29:02,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:29:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 07:29:02,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 07:29:02,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 07:29:02,816 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2018-12-03 07:29:02,817 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2018-12-03 07:29:02,817 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2018-12-03 07:29:02,817 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 07:29:02,817 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 07:29:02,817 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2018-12-03 07:29:02,817 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 07:29:02,817 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-03 07:29:02,817 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2018-12-03 07:29:02,817 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2018-12-03 07:29:02,818 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 07:29:02,818 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)) [2018-12-03 07:29:02,818 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2018-12-03 07:29:02,818 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-03 07:29:02,818 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-03 07:29:02,818 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2018-12-03 07:29:02,818 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2018-12-03 07:29:02,818 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-03 07:29:02,818 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-03 07:29:02,818 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-03 07:29:02,818 INFO L448 ceAbstractionStarter]: For program point L896(lines 896 900) no Hoare annotation was computed. [2018-12-03 07:29:02,819 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 848 913) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,819 INFO L444 ceAbstractionStarter]: At program point L896-2(lines 888 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,819 INFO L448 ceAbstractionStarter]: For program point L859(lines 858 905) no Hoare annotation was computed. [2018-12-03 07:29:02,819 INFO L444 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,819 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 901) no Hoare annotation was computed. [2018-12-03 07:29:02,819 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2018-12-03 07:29:02,819 INFO L444 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,819 INFO L448 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-12-03 07:29:02,819 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2018-12-03 07:29:02,819 INFO L444 ceAbstractionStarter]: At program point L903(lines 858 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,820 INFO L444 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,820 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-12-03 07:29:02,820 INFO L448 ceAbstractionStarter]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2018-12-03 07:29:02,820 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 864) no Hoare annotation was computed. [2018-12-03 07:29:02,820 INFO L444 ceAbstractionStarter]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,820 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2018-12-03 07:29:02,820 INFO L444 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,820 INFO L444 ceAbstractionStarter]: At program point L289-1(line 289) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,820 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 294) no Hoare annotation was computed. [2018-12-03 07:29:02,821 INFO L448 ceAbstractionStarter]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2018-12-03 07:29:02,821 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 277 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,821 INFO L448 ceAbstractionStarter]: For program point L285(line 285) no Hoare annotation was computed. [2018-12-03 07:29:02,821 INFO L444 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,821 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,821 INFO L444 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,821 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2018-12-03 07:29:02,821 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 277 299) no Hoare annotation was computed. [2018-12-03 07:29:02,821 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2018-12-03 07:29:02,821 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2018-12-03 07:29:02,821 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2018-12-03 07:29:02,821 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 467) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L451 ceAbstractionStarter]: At program point L461(line 461) the Hoare annotation is: true [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 454 472) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2018-12-03 07:29:02,822 INFO L448 ceAbstractionStarter]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2018-12-03 07:29:02,823 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 07:29:02,823 INFO L444 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 07:29:02,823 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 07:29:02,823 INFO L448 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2018-12-03 07:29:02,823 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 07:29:02,823 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2018-12-03 07:29:02,823 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2018-12-03 07:29:02,823 INFO L448 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2018-12-03 07:29:02,823 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2018-12-03 07:29:02,823 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2018-12-03 07:29:02,823 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-12-03 07:29:02,823 INFO L451 ceAbstractionStarter]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2018-12-03 07:29:02,823 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-12-03 07:29:02,823 INFO L451 ceAbstractionStarter]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2018-12-03 07:29:02,824 INFO L451 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: true [2018-12-03 07:29:02,824 INFO L448 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2018-12-03 07:29:02,824 INFO L451 ceAbstractionStarter]: At program point L229(lines 204 233) the Hoare annotation is: true [2018-12-03 07:29:02,824 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2018-12-03 07:29:02,824 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2018-12-03 07:29:02,824 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2018-12-03 07:29:02,824 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2018-12-03 07:29:02,824 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2018-12-03 07:29:02,824 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2018-12-03 07:29:02,824 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-03 07:29:02,824 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-03 07:29:02,824 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2018-12-03 07:29:02,824 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2018-12-03 07:29:02,824 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:29:02,824 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-12-03 07:29:02,824 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 473 480) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: true [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 267 276) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2018-12-03 07:29:02,825 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2018-12-03 07:29:02,826 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-12-03 07:29:02,826 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2018-12-03 07:29:02,826 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-12-03 07:29:02,826 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 07:29:02,826 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-12-03 07:29:02,826 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-12-03 07:29:02,826 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2018-12-03 07:29:02,826 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2018-12-03 07:29:02,826 INFO L451 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-12-03 07:29:02,826 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-03 07:29:02,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:29:02 BoogieIcfgContainer [2018-12-03 07:29:02,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:29:02,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:29:02,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:29:02,834 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:29:02,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:29:01" (3/4) ... [2018-12-03 07:29:02,845 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 07:29:02,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 07:29:02,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-03 07:29:02,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-03 07:29:02,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 07:29:02,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 07:29:02,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 07:29:02,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 07:29:02,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 07:29:02,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 07:29:02,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-12-03 07:29:02,892 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_443d432a-5129-480f-9246-950b554571c6/bin-2019/utaipan/witness.graphml [2018-12-03 07:29:02,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:29:02,893 INFO L168 Benchmark]: Toolchain (without parser) took 2100.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -220.9 MB). Peak memory consumption was 302.3 MB. Max. memory is 11.5 GB. [2018-12-03 07:29:02,894 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:29:02,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -120.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-03 07:29:02,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:29:02,894 INFO L168 Benchmark]: Boogie Preprocessor took 21.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:29:02,894 INFO L168 Benchmark]: RCFGBuilder took 294.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. [2018-12-03 07:29:02,894 INFO L168 Benchmark]: TraceAbstraction took 1405.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 740.9 MB in the end (delta: 279.7 MB). Peak memory consumption was 279.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:29:02,895 INFO L168 Benchmark]: Witness Printer took 58.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 96.5 MB). Free memory was 740.9 MB in the beginning and 1.2 GB in the end (delta: -427.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:29:02,895 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -120.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 294.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1405.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 740.9 MB in the end (delta: 279.7 MB). Peak memory consumption was 279.7 MB. Max. memory is 11.5 GB. * Witness Printer took 58.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 96.5 MB). Free memory was 740.9 MB in the beginning and 1.2 GB in the end (delta: -427.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: 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: 858]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 546 SDtfs, 242 SDslu, 609 SDs, 0 SdLazy, 222 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred 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, 51 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 481 HoareAnnotationTreeSize, 231 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 707 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 27387 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...