./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product03_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_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/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 76dc507b12cb3a2bccac05c4e284ee3cd573db6d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:54:05,637 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:54:05,638 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:54:05,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:54:05,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:54:05,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:54:05,646 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:54:05,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:54:05,647 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:54:05,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:54:05,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:54:05,648 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:54:05,649 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:54:05,649 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:54:05,650 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:54:05,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:54:05,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:54:05,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:54:05,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:54:05,653 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:54:05,653 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:54:05,654 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:54:05,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:54:05,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:54:05,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:54:05,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:54:05,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:54:05,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:54:05,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:54:05,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:54:05,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:54:05,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:54:05,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:54:05,658 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:54:05,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:54:05,659 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:54:05,659 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:54:05,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:54:05,666 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:54:05,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:54:05,667 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:54:05,667 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:54:05,667 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:54:05,667 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:54:05,667 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:54:05,668 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:54:05,668 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:54:05,668 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:54:05,668 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:54:05,668 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:54:05,668 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:54:05,669 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:54:05,669 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:54:05,669 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:54:05,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:54:05,669 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:54:05,669 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:54:05,669 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:54:05,669 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:54:05,670 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:54:05,670 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:54:05,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:54:05,670 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:54:05,670 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:54:05,670 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:54:05,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:54:05,671 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:54:05,671 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:54:05,671 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:54:05,671 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:54:05,671 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:54:05,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:54:05,671 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:54:05,671 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_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/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 -> 76dc507b12cb3a2bccac05c4e284ee3cd573db6d [2018-12-09 09:54:05,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:54:05,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:54:05,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:54:05,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:54:05,701 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:54:05,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-12-09 09:54:05,738 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/data/d2da8e7dd/4bc44298a5594ed39c13420127087cb5/FLAGa050e2787 [2018-12-09 09:54:06,150 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:54:06,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-12-09 09:54:06,156 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/data/d2da8e7dd/4bc44298a5594ed39c13420127087cb5/FLAGa050e2787 [2018-12-09 09:54:06,164 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/data/d2da8e7dd/4bc44298a5594ed39c13420127087cb5 [2018-12-09 09:54:06,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:54:06,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:54:06,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:54:06,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:54:06,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:54:06,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06, skipping insertion in model container [2018-12-09 09:54:06,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:54:06,202 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:54:06,353 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:54:06,392 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:54:06,438 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:54:06,451 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:54:06,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06 WrapperNode [2018-12-09 09:54:06,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:54:06,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:54:06,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:54:06,452 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:54:06,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:54:06,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:54:06,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:54:06,471 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:54:06,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... [2018-12-09 09:54:06,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:54:06,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:54:06,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:54:06,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:54:06,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/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 09:54:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:54:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:54:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:54:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:54:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:54:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:54:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 09:54:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 09:54:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:54:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:54:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:54:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:54:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:54:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:54:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:54:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:54:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:54:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:54:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:54:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:54:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:54:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:54:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:54:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:54:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:54:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:54:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:54:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:54:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:54:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:54:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:54:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:54:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:54:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:54:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:54:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:54:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:54:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:54:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:54:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:54:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:54:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:54:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 09:54:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 09:54:06,776 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:54:06,777 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:54:06,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:54:06 BoogieIcfgContainer [2018-12-09 09:54:06,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:54:06,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:54:06,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:54:06,780 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:54:06,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:54:06" (1/3) ... [2018-12-09 09:54:06,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7564f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:54:06, skipping insertion in model container [2018-12-09 09:54:06,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:54:06" (2/3) ... [2018-12-09 09:54:06,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7564f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:54:06, skipping insertion in model container [2018-12-09 09:54:06,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:54:06" (3/3) ... [2018-12-09 09:54:06,782 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-12-09 09:54:06,789 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:54:06,794 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:54:06,803 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:54:06,821 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:54:06,821 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:54:06,821 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:54:06,821 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:54:06,821 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:54:06,821 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:54:06,821 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:54:06,821 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:54:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-12-09 09:54:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 09:54:06,837 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:06,838 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 09:54:06,839 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:06,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:06,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1087554490, now seen corresponding path program 1 times [2018-12-09 09:54:06,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:06,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:06,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:06,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:06,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:06,983 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 09:54:06,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:06,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:54:06,984 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:06,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:54:06,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:54:06,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:54:06,997 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-12-09 09:54:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:07,016 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2018-12-09 09:54:07,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:54:07,016 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 09:54:07,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:07,022 INFO L225 Difference]: With dead ends: 180 [2018-12-09 09:54:07,022 INFO L226 Difference]: Without dead ends: 90 [2018-12-09 09:54:07,024 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 09:54:07,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-09 09:54:07,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-09 09:54:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 09:54:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-12-09 09:54:07,051 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2018-12-09 09:54:07,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:07,051 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-12-09 09:54:07,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:54:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-12-09 09:54:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 09:54:07,052 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:07,053 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 09:54:07,053 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:07,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:07,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1524280768, now seen corresponding path program 1 times [2018-12-09 09:54:07,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:07,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:07,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:07,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:07,054 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:07,110 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 09:54:07,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:07,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:54:07,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:07,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:54:07,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:54:07,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:54:07,113 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2018-12-09 09:54:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:07,129 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2018-12-09 09:54:07,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:54:07,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 09:54:07,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:07,131 INFO L225 Difference]: With dead ends: 120 [2018-12-09 09:54:07,131 INFO L226 Difference]: Without dead ends: 81 [2018-12-09 09:54:07,132 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 09:54:07,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-09 09:54:07,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-09 09:54:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-09 09:54:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2018-12-09 09:54:07,141 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2018-12-09 09:54:07,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:07,141 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2018-12-09 09:54:07,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:54:07,141 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2018-12-09 09:54:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:54:07,142 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:07,142 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 09:54:07,143 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:07,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:07,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1612259430, now seen corresponding path program 1 times [2018-12-09 09:54:07,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:07,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:07,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:07,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:07,143 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:07,211 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 09:54:07,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:07,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:54:07,211 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:07,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:54:07,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:54:07,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:54:07,212 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 3 states. [2018-12-09 09:54:07,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:07,227 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions. [2018-12-09 09:54:07,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:54:07,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-12-09 09:54:07,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:07,230 INFO L225 Difference]: With dead ends: 190 [2018-12-09 09:54:07,230 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 09:54:07,230 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 [2018-12-09 09:54:07,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 09:54:07,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2018-12-09 09:54:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-09 09:54:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2018-12-09 09:54:07,240 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 51 [2018-12-09 09:54:07,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:07,240 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2018-12-09 09:54:07,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:54:07,240 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-12-09 09:54:07,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 09:54:07,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:07,241 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] [2018-12-09 09:54:07,241 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:07,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:07,241 INFO L82 PathProgramCache]: Analyzing trace with hash 717250210, now seen corresponding path program 1 times [2018-12-09 09:54:07,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:07,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:07,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:07,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:07,242 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:07,304 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 09:54:07,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:07,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:54:07,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:07,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:54:07,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:54:07,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:54:07,305 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 6 states. [2018-12-09 09:54:07,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:07,415 INFO L93 Difference]: Finished difference Result 310 states and 384 transitions. [2018-12-09 09:54:07,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:54:07,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-12-09 09:54:07,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:07,418 INFO L225 Difference]: With dead ends: 310 [2018-12-09 09:54:07,418 INFO L226 Difference]: Without dead ends: 211 [2018-12-09 09:54:07,419 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 09:54:07,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-12-09 09:54:07,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2018-12-09 09:54:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-12-09 09:54:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 248 transitions. [2018-12-09 09:54:07,437 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 248 transitions. Word has length 54 [2018-12-09 09:54:07,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:07,437 INFO L480 AbstractCegarLoop]: Abstraction has 207 states and 248 transitions. [2018-12-09 09:54:07,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:54:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 248 transitions. [2018-12-09 09:54:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 09:54:07,439 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:54:07,439 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] [2018-12-09 09:54:07,439 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:54:07,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:54:07,440 INFO L82 PathProgramCache]: Analyzing trace with hash 267460574, now seen corresponding path program 1 times [2018-12-09 09:54:07,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:54:07,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:07,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:54:07,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:54:07,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:54:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:54:07,512 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 09:54:07,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:54:07,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:54:07,513 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:54:07,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:54:07,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:54:07,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:54:07,513 INFO L87 Difference]: Start difference. First operand 207 states and 248 transitions. Second operand 6 states. [2018-12-09 09:54:07,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:54:07,610 INFO L93 Difference]: Finished difference Result 367 states and 454 transitions. [2018-12-09 09:54:07,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:54:07,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-12-09 09:54:07,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:54:07,611 INFO L225 Difference]: With dead ends: 367 [2018-12-09 09:54:07,612 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:54:07,613 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 09:54:07,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:54:07,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:54:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:54:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:54:07,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-12-09 09:54:07,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:54:07,614 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:54:07,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:54:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:54:07,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:54:07,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:54:07,916 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2018-12-09 09:54:07,916 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2018-12-09 09:54:07,916 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 200 207) no Hoare annotation was computed. [2018-12-09 09:54:07,916 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 191) no Hoare annotation was computed. [2018-12-09 09:54:07,916 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 185 191) the Hoare annotation is: true [2018-12-09 09:54:07,917 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 133 139) the Hoare annotation is: true [2018-12-09 09:54:07,917 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 133 139) no Hoare annotation was computed. [2018-12-09 09:54:07,917 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 140 148) no Hoare annotation was computed. [2018-12-09 09:54:07,917 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 140 148) the Hoare annotation is: true [2018-12-09 09:54:07,917 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 140 148) no Hoare annotation was computed. [2018-12-09 09:54:07,917 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 09:54:07,917 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:07,917 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-12-09 09:54:07,917 INFO L444 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:07,918 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-12-09 09:54:07,918 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-12-09 09:54:07,918 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-12-09 09:54:07,918 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:07,918 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-09 09:54:07,918 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-12-09 09:54:07,918 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:07,918 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:07,918 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-09 09:54:07,918 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-12-09 09:54:07,919 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-12-09 09:54:07,919 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:07,919 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-12-09 09:54:07,919 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 433 455) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 09:54:07,919 INFO L444 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 09:54:07,919 INFO L444 ceAbstractionStarter]: At program point L445-1(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 09:54:07,919 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 450) no Hoare annotation was computed. [2018-12-09 09:54:07,919 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 443 450) no Hoare annotation was computed. [2018-12-09 09:54:07,919 INFO L448 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2018-12-09 09:54:07,919 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 433 455) no Hoare annotation was computed. [2018-12-09 09:54:07,920 INFO L444 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 09:54:07,920 INFO L444 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 09:54:07,920 INFO L444 ceAbstractionStarter]: At program point L439-1(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 09:54:07,920 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 433 455) no Hoare annotation was computed. [2018-12-09 09:54:07,920 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 264 278) no Hoare annotation was computed. [2018-12-09 09:54:07,920 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 09:54:07,920 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 274) no Hoare annotation was computed. [2018-12-09 09:54:07,920 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 264 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-09 09:54:07,920 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 264 278) no Hoare annotation was computed. [2018-12-09 09:54:07,920 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2018-12-09 09:54:07,920 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 219 227) no Hoare annotation was computed. [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:54:07,921 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:54:07,921 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2018-12-09 09:54:07,921 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2018-12-09 09:54:07,921 INFO L448 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-12-09 09:54:07,922 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2018-12-09 09:54:07,922 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2018-12-09 09:54:07,922 INFO L451 ceAbstractionStarter]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2018-12-09 09:54:07,922 INFO L448 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-12-09 09:54:07,922 INFO L451 ceAbstractionStarter]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2018-12-09 09:54:07,922 INFO L451 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2018-12-09 09:54:07,922 INFO L448 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2018-12-09 09:54:07,922 INFO L451 ceAbstractionStarter]: At program point L387(lines 362 391) the Hoare annotation is: true [2018-12-09 09:54:07,922 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: true [2018-12-09 09:54:07,922 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-12-09 09:54:07,922 INFO L451 ceAbstractionStarter]: At program point L172(lines 172 178) the Hoare annotation is: true [2018-12-09 09:54:07,923 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2018-12-09 09:54:07,923 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 09:54:07,923 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2018-12-09 09:54:07,923 INFO L448 ceAbstractionStarter]: For program point L165(lines 164 183) no Hoare annotation was computed. [2018-12-09 09:54:07,923 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2018-12-09 09:54:07,923 INFO L448 ceAbstractionStarter]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2018-12-09 09:54:07,923 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2018-12-09 09:54:07,923 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 126 132) no Hoare annotation was computed. [2018-12-09 09:54:07,923 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 126 132) the Hoare annotation is: true [2018-12-09 09:54:07,923 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2018-12-09 09:54:07,923 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2018-12-09 09:54:07,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:54:07,924 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))) [2018-12-09 09:54:07,924 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:54:07,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:54:07,924 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2018-12-09 09:54:07,924 INFO L448 ceAbstractionStarter]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2018-12-09 09:54:07,924 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2018-12-09 09:54:07,924 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 457 464) no Hoare annotation was computed. [2018-12-09 09:54:07,924 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-12-09 09:54:07,924 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 457 464) the Hoare annotation is: true [2018-12-09 09:54:07,924 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 457 464) no Hoare annotation was computed. [2018-12-09 09:54:07,924 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 423 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 09:54:07,925 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 423 432) no Hoare annotation was computed. [2018-12-09 09:54:07,925 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 423 432) no Hoare annotation was computed. [2018-12-09 09:54:07,925 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 09:54:07,925 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-12-09 09:54:07,925 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 466 490) the Hoare annotation is: true [2018-12-09 09:54:07,925 INFO L444 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 09:54:07,925 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-12-09 09:54:07,925 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 487) no Hoare annotation was computed. [2018-12-09 09:54:07,925 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 466 490) no Hoare annotation was computed. [2018-12-09 09:54:07,925 INFO L451 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2018-12-09 09:54:07,925 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 466 490) no Hoare annotation was computed. [2018-12-09 09:54:07,926 INFO L448 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2018-12-09 09:54:07,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:54:07 BoogieIcfgContainer [2018-12-09 09:54:07,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:54:07,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:54:07,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:54:07,936 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:54:07,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:54:06" (3/4) ... [2018-12-09 09:54:07,940 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:54:07,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:54:07,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:54:07,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:54:07,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:54:07,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:54:07,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:54:07,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:54:07,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:54:07,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 09:54:07,952 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-09 09:54:07,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 09:54:07,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 09:54:07,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:54:07,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:54:07,954 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:54:07,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:54:07,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:54:07,997 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2a6b7a1b-b6ee-4a41-b2b2-ff61f22fb178/bin-2019/utaipan/witness.graphml [2018-12-09 09:54:07,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:54:07,998 INFO L168 Benchmark]: Toolchain (without parser) took 1832.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 953.4 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:54:07,999 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. [2018-12-09 09:54:07,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:07,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.19 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. [2018-12-09 09:54:07,999 INFO L168 Benchmark]: Boogie Preprocessor took 18.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:07,999 INFO L168 Benchmark]: RCFGBuilder took 287.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:08,000 INFO L168 Benchmark]: TraceAbstraction took 1158.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.1 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:08,000 INFO L168 Benchmark]: Witness Printer took 61.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:54:08,001 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 285.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.19 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 18.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 287.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1158.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.1 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. * Witness Printer took 61.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 103 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 481 SDtfs, 172 SDslu, 652 SDs, 0 SdLazy, 105 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred 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, 44 LocationsWithAnnotation, 234 PreInvPairs, 263 NumberOfFragments, 374 HoareAnnotationTreeSize, 234 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 769 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 23979 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...