./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/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 21b7318e0534e2795ffc81aa5194a01e66c6f479 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:13:21,000 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:13:21,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:13:21,009 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:13:21,009 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:13:21,010 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:13:21,010 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:13:21,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:13:21,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:13:21,013 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:13:21,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:13:21,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:13:21,014 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:13:21,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:13:21,016 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:13:21,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:13:21,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:13:21,018 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:13:21,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:13:21,020 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:13:21,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:13:21,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:13:21,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:13:21,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:13:21,024 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:13:21,025 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:13:21,025 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:13:21,026 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:13:21,026 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:13:21,027 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:13:21,027 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:13:21,028 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:13:21,028 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:13:21,028 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:13:21,028 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:13:21,028 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:13:21,029 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:13:21,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:13:21,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:13:21,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:13:21,037 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:13:21,037 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:13:21,038 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:13:21,038 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:13:21,038 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:13:21,038 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:13:21,038 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:13:21,038 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:13:21,038 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:13:21,038 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:13:21,039 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:13:21,039 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:13:21,039 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:13:21,039 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:13:21,039 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:13:21,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:13:21,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:13:21,040 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:13:21,040 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:13:21,040 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:13:21,040 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:13:21,040 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:13:21,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:13:21,041 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:13:21,041 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:13:21,041 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:13:21,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:13:21,041 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:13:21,041 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:13:21,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:13:21,042 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:13:21,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:13:21,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:13:21,042 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:13:21,042 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_f0e84459-a181-4a95-abb0-e0383716070d/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 -> 21b7318e0534e2795ffc81aa5194a01e66c6f479 [2018-11-18 14:13:21,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:13:21,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:13:21,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:13:21,080 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:13:21,080 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:13:21,081 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-11-18 14:13:21,126 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/data/aafcf5650/cb1fb6b8851e4ef790292d8b2b3323f1/FLAGa7f7774cd [2018-11-18 14:13:21,455 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:13:21,456 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-11-18 14:13:21,462 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/data/aafcf5650/cb1fb6b8851e4ef790292d8b2b3323f1/FLAGa7f7774cd [2018-11-18 14:13:21,470 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/data/aafcf5650/cb1fb6b8851e4ef790292d8b2b3323f1 [2018-11-18 14:13:21,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:13:21,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:13:21,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:13:21,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:13:21,477 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:13:21,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be92882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21, skipping insertion in model container [2018-11-18 14:13:21,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:13:21,516 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:13:21,703 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:13:21,711 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:13:21,813 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:13:21,836 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:13:21,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21 WrapperNode [2018-11-18 14:13:21,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:13:21,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:13:21,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:13:21,837 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:13:21,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:13:21,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:13:21,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:13:21,867 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:13:21,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... [2018-11-18 14:13:21,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:13:21,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:13:21,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:13:21,901 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:13:21,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:13:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:13:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:13:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:13:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:13:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 14:13:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 14:13:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 14:13:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 14:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:13:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:13:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 14:13:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 14:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:13:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:13:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:13:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 14:13:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 14:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 14:13:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 14:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 14:13:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 14:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:13:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:13:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:13:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:13:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:13:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:13:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:13:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:13:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:13:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:13:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:13:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:13:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:13:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:13:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:13:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:13:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:13:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:13:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:13:22,426 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:13:22,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:13:22 BoogieIcfgContainer [2018-11-18 14:13:22,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:13:22,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:13:22,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:13:22,429 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:13:22,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:13:21" (1/3) ... [2018-11-18 14:13:22,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ff70e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:13:22, skipping insertion in model container [2018-11-18 14:13:22,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:13:21" (2/3) ... [2018-11-18 14:13:22,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ff70e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:13:22, skipping insertion in model container [2018-11-18 14:13:22,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:13:22" (3/3) ... [2018-11-18 14:13:22,431 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-11-18 14:13:22,437 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:13:22,442 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:13:22,451 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:13:22,472 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:13:22,472 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:13:22,472 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:13:22,472 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:13:22,472 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:13:22,472 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:13:22,472 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:13:22,472 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:13:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-11-18 14:13:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:13:22,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:22,494 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:22,496 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:22,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:22,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1294176670, now seen corresponding path program 1 times [2018-11-18 14:13:22,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:22,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:22,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:22,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:22,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:22,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:13:22,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:22,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:13:22,696 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:22,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:13:22,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:13:22,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:13:22,709 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-11-18 14:13:22,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:22,740 INFO L93 Difference]: Finished difference Result 304 states and 373 transitions. [2018-11-18 14:13:22,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:13:22,742 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 14:13:22,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:22,751 INFO L225 Difference]: With dead ends: 304 [2018-11-18 14:13:22,751 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 14:13:22,755 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:13:22,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 14:13:22,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 14:13:22,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 14:13:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2018-11-18 14:13:22,792 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 46 [2018-11-18 14:13:22,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:22,793 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2018-11-18 14:13:22,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:13:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2018-11-18 14:13:22,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:13:22,795 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:22,795 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:22,796 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:22,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:22,796 INFO L82 PathProgramCache]: Analyzing trace with hash 194062758, now seen corresponding path program 1 times [2018-11-18 14:13:22,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:22,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:22,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:22,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:22,797 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:13:22,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:22,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:13:22,884 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:22,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:13:22,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:13:22,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:13:22,886 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 3 states. [2018-11-18 14:13:22,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:22,905 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2018-11-18 14:13:22,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:13:22,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 14:13:22,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:22,908 INFO L225 Difference]: With dead ends: 241 [2018-11-18 14:13:22,908 INFO L226 Difference]: Without dead ends: 142 [2018-11-18 14:13:22,909 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:13:22,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-18 14:13:22,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-18 14:13:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 14:13:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 165 transitions. [2018-11-18 14:13:22,921 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 165 transitions. Word has length 48 [2018-11-18 14:13:22,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:22,921 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 165 transitions. [2018-11-18 14:13:22,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:13:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 165 transitions. [2018-11-18 14:13:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:13:22,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:22,923 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:22,923 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:22,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1530734329, now seen corresponding path program 1 times [2018-11-18 14:13:22,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:22,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:22,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:22,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:22,925 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:23,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:13:23,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:23,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:13:23,049 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:23,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:13:23,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:13:23,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:13:23,050 INFO L87 Difference]: Start difference. First operand 142 states and 165 transitions. Second operand 7 states. [2018-11-18 14:13:23,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:23,430 INFO L93 Difference]: Finished difference Result 429 states and 516 transitions. [2018-11-18 14:13:23,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:13:23,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 14:13:23,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:23,433 INFO L225 Difference]: With dead ends: 429 [2018-11-18 14:13:23,433 INFO L226 Difference]: Without dead ends: 311 [2018-11-18 14:13:23,434 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:13:23,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-11-18 14:13:23,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 299. [2018-11-18 14:13:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-11-18 14:13:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 359 transitions. [2018-11-18 14:13:23,464 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 359 transitions. Word has length 53 [2018-11-18 14:13:23,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:23,465 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 359 transitions. [2018-11-18 14:13:23,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:13:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 359 transitions. [2018-11-18 14:13:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 14:13:23,467 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:23,467 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:23,467 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:23,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:23,468 INFO L82 PathProgramCache]: Analyzing trace with hash 515998555, now seen corresponding path program 1 times [2018-11-18 14:13:23,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:23,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:23,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:23,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:23,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:13:23,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:23,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:13:23,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:23,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:13:23,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:13:23,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:13:23,565 INFO L87 Difference]: Start difference. First operand 299 states and 359 transitions. Second operand 6 states. [2018-11-18 14:13:23,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:23,773 INFO L93 Difference]: Finished difference Result 834 states and 1025 transitions. [2018-11-18 14:13:23,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:13:23,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-18 14:13:23,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:23,778 INFO L225 Difference]: With dead ends: 834 [2018-11-18 14:13:23,778 INFO L226 Difference]: Without dead ends: 559 [2018-11-18 14:13:23,780 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:13:23,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-11-18 14:13:23,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 553. [2018-11-18 14:13:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-11-18 14:13:23,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 668 transitions. [2018-11-18 14:13:23,816 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 668 transitions. Word has length 58 [2018-11-18 14:13:23,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:23,816 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 668 transitions. [2018-11-18 14:13:23,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:13:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 668 transitions. [2018-11-18 14:13:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 14:13:23,818 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:23,818 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:23,819 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:23,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:23,819 INFO L82 PathProgramCache]: Analyzing trace with hash -398356609, now seen corresponding path program 1 times [2018-11-18 14:13:23,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:23,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:23,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:23,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:23,821 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:13:23,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:23,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:13:23,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:23,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:13:23,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:13:23,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:13:23,923 INFO L87 Difference]: Start difference. First operand 553 states and 668 transitions. Second operand 7 states. [2018-11-18 14:13:24,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:24,480 INFO L93 Difference]: Finished difference Result 1428 states and 1841 transitions. [2018-11-18 14:13:24,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 14:13:24,482 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-18 14:13:24,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:24,487 INFO L225 Difference]: With dead ends: 1428 [2018-11-18 14:13:24,489 INFO L226 Difference]: Without dead ends: 899 [2018-11-18 14:13:24,493 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:13:24,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2018-11-18 14:13:24,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 795. [2018-11-18 14:13:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-11-18 14:13:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 957 transitions. [2018-11-18 14:13:24,543 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 957 transitions. Word has length 62 [2018-11-18 14:13:24,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:24,544 INFO L480 AbstractCegarLoop]: Abstraction has 795 states and 957 transitions. [2018-11-18 14:13:24,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:13:24,544 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 957 transitions. [2018-11-18 14:13:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:13:24,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:24,548 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:24,548 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:24,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:24,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1511631209, now seen corresponding path program 1 times [2018-11-18 14:13:24,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:24,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:24,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:24,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:24,551 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:13:24,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:24,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:13:24,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:24,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:13:24,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:13:24,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:13:24,618 INFO L87 Difference]: Start difference. First operand 795 states and 957 transitions. Second operand 6 states. [2018-11-18 14:13:24,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:24,669 INFO L93 Difference]: Finished difference Result 1594 states and 1978 transitions. [2018-11-18 14:13:24,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:13:24,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-11-18 14:13:24,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:24,673 INFO L225 Difference]: With dead ends: 1594 [2018-11-18 14:13:24,673 INFO L226 Difference]: Without dead ends: 823 [2018-11-18 14:13:24,675 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:13:24,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-11-18 14:13:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 815. [2018-11-18 14:13:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-11-18 14:13:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 977 transitions. [2018-11-18 14:13:24,714 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 977 transitions. Word has length 100 [2018-11-18 14:13:24,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:24,714 INFO L480 AbstractCegarLoop]: Abstraction has 815 states and 977 transitions. [2018-11-18 14:13:24,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:13:24,714 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 977 transitions. [2018-11-18 14:13:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:13:24,716 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:24,716 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:24,717 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:24,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:24,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1889849749, now seen corresponding path program 1 times [2018-11-18 14:13:24,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:24,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:24,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:24,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:24,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:13:24,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:24,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 14:13:24,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:24,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:13:24,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:13:24,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:13:24,801 INFO L87 Difference]: Start difference. First operand 815 states and 977 transitions. Second operand 8 states. [2018-11-18 14:13:24,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:24,852 INFO L93 Difference]: Finished difference Result 1634 states and 2018 transitions. [2018-11-18 14:13:24,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:13:24,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-11-18 14:13:24,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:24,856 INFO L225 Difference]: With dead ends: 1634 [2018-11-18 14:13:24,857 INFO L226 Difference]: Without dead ends: 843 [2018-11-18 14:13:24,859 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:13:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2018-11-18 14:13:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 831. [2018-11-18 14:13:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-11-18 14:13:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 993 transitions. [2018-11-18 14:13:24,898 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 993 transitions. Word has length 100 [2018-11-18 14:13:24,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:24,899 INFO L480 AbstractCegarLoop]: Abstraction has 831 states and 993 transitions. [2018-11-18 14:13:24,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:13:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 993 transitions. [2018-11-18 14:13:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:13:24,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:24,901 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:24,901 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:24,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:24,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1897609108, now seen corresponding path program 1 times [2018-11-18 14:13:24,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:24,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:24,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:24,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:24,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:13:25,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:25,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:13:25,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:25,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:13:25,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:13:25,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:13:25,023 INFO L87 Difference]: Start difference. First operand 831 states and 993 transitions. Second operand 4 states. [2018-11-18 14:13:25,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:25,295 INFO L93 Difference]: Finished difference Result 2639 states and 3302 transitions. [2018-11-18 14:13:25,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:13:25,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-11-18 14:13:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:25,303 INFO L225 Difference]: With dead ends: 2639 [2018-11-18 14:13:25,304 INFO L226 Difference]: Without dead ends: 1832 [2018-11-18 14:13:25,306 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:13:25,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2018-11-18 14:13:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1801. [2018-11-18 14:13:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1801 states. [2018-11-18 14:13:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2205 transitions. [2018-11-18 14:13:25,403 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 2205 transitions. Word has length 100 [2018-11-18 14:13:25,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:25,404 INFO L480 AbstractCegarLoop]: Abstraction has 1801 states and 2205 transitions. [2018-11-18 14:13:25,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:13:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2205 transitions. [2018-11-18 14:13:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:13:25,407 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:25,407 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:25,407 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:25,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:25,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1661410158, now seen corresponding path program 1 times [2018-11-18 14:13:25,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:25,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:25,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:25,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:25,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 14:13:25,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:13:25,520 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:13:25,520 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-11-18 14:13:25,522 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [79], [85], [89], [93], [96], [101], [104], [109], [115], [121], [129], [130], [133], [134], [135], [137], [142], [145], [146], [148], [153], [155], [156], [161], [163], [164], [165], [171], [175], [216], [220], [223], [225], [228], [238], [243], [247], [248], [251], [253], [256], [258], [261], [270], [271], [272], [273], [274], [275], [276], [277], [278], [284], [286], [287], [294], [295], [296], [297], [298], [299], [304], [308], [309], [310], [311], [312], [313], [316], [317], [318], [324], [325], [326], [328], [329], [330], [331], [336], [337], [338], [339], [340] [2018-11-18 14:13:25,553 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:13:25,553 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:13:25,975 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:13:25,977 INFO L272 AbstractInterpreter]: Visited 78 different actions 78 times. Never merged. Never widened. Performed 2517 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2517 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 14:13:25,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:25,994 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:13:26,298 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 97.2% of their original sizes. [2018-11-18 14:13:26,298 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:13:26,463 INFO L415 sIntCurrentIteration]: We unified 103 AI predicates to 103 [2018-11-18 14:13:26,463 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:13:26,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:13:26,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-11-18 14:13:26,464 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:26,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-18 14:13:26,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-18 14:13:26,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:13:26,465 INFO L87 Difference]: Start difference. First operand 1801 states and 2205 transitions. Second operand 21 states. [2018-11-18 14:13:34,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:34,552 INFO L93 Difference]: Finished difference Result 3904 states and 4840 transitions. [2018-11-18 14:13:34,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 14:13:34,552 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 104 [2018-11-18 14:13:34,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:34,567 INFO L225 Difference]: With dead ends: 3904 [2018-11-18 14:13:34,567 INFO L226 Difference]: Without dead ends: 2127 [2018-11-18 14:13:34,570 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 129 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=1903, Unknown=0, NotChecked=0, Total=2162 [2018-11-18 14:13:34,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2018-11-18 14:13:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2108. [2018-11-18 14:13:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2108 states. [2018-11-18 14:13:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 2494 transitions. [2018-11-18 14:13:34,626 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 2494 transitions. Word has length 104 [2018-11-18 14:13:34,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:34,626 INFO L480 AbstractCegarLoop]: Abstraction has 2108 states and 2494 transitions. [2018-11-18 14:13:34,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-18 14:13:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2494 transitions. [2018-11-18 14:13:34,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 14:13:34,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:34,631 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:34,631 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:34,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:34,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1012990847, now seen corresponding path program 1 times [2018-11-18 14:13:34,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:34,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:34,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:34,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:34,632 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:34,752 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:13:34,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:13:34,753 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:13:34,753 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-18 14:13:34,753 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [79], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [132], [133], [134], [135], [137], [142], [145], [146], [148], [153], [155], [156], [161], [163], [164], [165], [168], [171], [175], [181], [211], [215], [216], [220], [223], [225], [228], [235], [238], [243], [247], [248], [251], [253], [256], [258], [261], [267], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [282], [283], [284], [286], [287], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [324], [325], [326], [328], [329], [330], [331], [334], [335], [336], [337], [338], [339], [340] [2018-11-18 14:13:34,756 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:13:34,757 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:13:36,480 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:13:36,480 INFO L272 AbstractInterpreter]: Visited 134 different actions 917 times. Merged at 19 different actions 77 times. Never widened. Performed 37682 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37682 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 6 different actions. Largest state had 133 variables. [2018-11-18 14:13:36,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:36,486 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:13:36,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:13:36,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:13:36,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:36,493 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:13:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:36,605 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:13:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:13:36,735 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:13:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:13:37,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:13:37,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-18 14:13:37,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:37,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:13:37,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:13:37,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:13:37,181 INFO L87 Difference]: Start difference. First operand 2108 states and 2494 transitions. Second operand 9 states. [2018-11-18 14:13:38,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:38,391 INFO L93 Difference]: Finished difference Result 5398 states and 7262 transitions. [2018-11-18 14:13:38,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 14:13:38,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-11-18 14:13:38,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:38,410 INFO L225 Difference]: With dead ends: 5398 [2018-11-18 14:13:38,410 INFO L226 Difference]: Without dead ends: 3973 [2018-11-18 14:13:38,416 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 311 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-18 14:13:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3973 states. [2018-11-18 14:13:38,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3973 to 3198. [2018-11-18 14:13:38,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3198 states. [2018-11-18 14:13:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 3198 states and 3896 transitions. [2018-11-18 14:13:38,611 INFO L78 Accepts]: Start accepts. Automaton has 3198 states and 3896 transitions. Word has length 159 [2018-11-18 14:13:38,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:38,612 INFO L480 AbstractCegarLoop]: Abstraction has 3198 states and 3896 transitions. [2018-11-18 14:13:38,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:13:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3198 states and 3896 transitions. [2018-11-18 14:13:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 14:13:38,616 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:13:38,616 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:13:38,617 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:13:38,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:13:38,617 INFO L82 PathProgramCache]: Analyzing trace with hash -738231233, now seen corresponding path program 1 times [2018-11-18 14:13:38,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:13:38,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:38,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:13:38,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:13:38,618 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:13:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:13:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 14:13:38,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:13:38,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 14:13:38,739 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:13:38,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:13:38,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:13:38,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:13:38,740 INFO L87 Difference]: Start difference. First operand 3198 states and 3896 transitions. Second operand 9 states. [2018-11-18 14:13:38,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:13:38,855 INFO L93 Difference]: Finished difference Result 4192 states and 5092 transitions. [2018-11-18 14:13:38,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 14:13:38,856 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-11-18 14:13:38,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:13:38,857 INFO L225 Difference]: With dead ends: 4192 [2018-11-18 14:13:38,857 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:13:38,863 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:13:38,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:13:38,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:13:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:13:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:13:38,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2018-11-18 14:13:38,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:13:38,864 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:13:38,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:13:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:13:38,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:13:38,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:13:38,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:38,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:39,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:13:40,019 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 18 [2018-11-18 14:13:40,355 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2018-11-18 14:13:40,639 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2018-11-18 14:13:40,958 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 44 [2018-11-18 14:13:41,405 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2018-11-18 14:13:41,639 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2018-11-18 14:13:42,025 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 20 [2018-11-18 14:13:42,881 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-11-18 14:13:43,077 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 985 991) the Hoare annotation is: true [2018-11-18 14:13:43,077 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 985 991) no Hoare annotation was computed. [2018-11-18 14:13:43,077 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 992 1000) no Hoare annotation was computed. [2018-11-18 14:13:43,077 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 992 1000) the Hoare annotation is: true [2018-11-18 14:13:43,077 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 992 1000) no Hoare annotation was computed. [2018-11-18 14:13:43,077 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 14:13:43,077 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 14:13:43,078 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,078 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,078 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,078 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,078 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 14:13:43,078 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 14:13:43,078 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,078 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,078 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 14:13:43,079 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 943 957) no Hoare annotation was computed. [2018-11-18 14:13:43,079 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 943 957) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< ~waterLevel~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse6 .cse7) (or (or .cse6 .cse4) .cse7 .cse5)))) [2018-11-18 14:13:43,079 INFO L421 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (< ~waterLevel~0 2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse2) (or (or .cse3 .cse4 .cse5) .cse6) (or .cse6 (or .cse4 .cse5 .cse1)))) [2018-11-18 14:13:43,079 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 943 957) no Hoare annotation was computed. [2018-11-18 14:13:43,079 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-18 14:13:43,079 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 860 868) no Hoare annotation was computed. [2018-11-18 14:13:43,079 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 860 868) the Hoare annotation is: true [2018-11-18 14:13:43,079 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 860 868) no Hoare annotation was computed. [2018-11-18 14:13:43,079 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 924 942) the Hoare annotation is: true [2018-11-18 14:13:43,079 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 924 942) no Hoare annotation was computed. [2018-11-18 14:13:43,079 INFO L425 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2018-11-18 14:13:43,079 INFO L428 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2018-11-18 14:13:43,079 INFO L425 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point L931-1(line 931) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 924 942) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 978 984) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 978 984) the Hoare annotation is: true [2018-11-18 14:13:43,080 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 849 859) the Hoare annotation is: true [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 849 859) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 849 859) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L428 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L421 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~7 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 (not (= ~waterLevel~0 1)) .cse5) (or .cse0 .cse2 .cse3 .cse5) (or .cse4 .cse2 (< ~waterLevel~0 2) .cse5) (or .cse1 .cse4 .cse2 .cse3))) [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L421 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse2 .cse5))) [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2018-11-18 14:13:43,080 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-18 14:13:43,081 INFO L421 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 14:13:43,081 INFO L425 ceAbstractionStarter]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L421 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:13:43,081 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 229 242) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 229 242) the Hoare annotation is: true [2018-11-18 14:13:43,081 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 229 242) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 756 762) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 756 762) the Hoare annotation is: true [2018-11-18 14:13:43,081 INFO L421 ceAbstractionStarter]: At program point L706-1(lines 698 713) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse6 .cse3))) [2018-11-18 14:13:43,081 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 658 725) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,081 INFO L425 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L421 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse3 .cse4 .cse2))) [2018-11-18 14:13:43,081 INFO L425 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 658 725) no Hoare annotation was computed. [2018-11-18 14:13:43,081 INFO L421 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L421 ceAbstractionStarter]: At program point L715(lines 668 717) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:13:43,082 INFO L421 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point L668-1(lines 668 717) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L421 ceAbstractionStarter]: At program point L718(lines 667 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:13:43,082 INFO L421 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3))) [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 658 725) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 815 822) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 815 822) no Hoare annotation was computed. [2018-11-18 14:13:43,082 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 815 822) no Hoare annotation was computed. [2018-11-18 14:13:43,083 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 243 251) no Hoare annotation was computed. [2018-11-18 14:13:43,083 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 243 251) the Hoare annotation is: true [2018-11-18 14:13:43,083 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 243 251) no Hoare annotation was computed. [2018-11-18 14:13:43,083 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:13:43,083 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:13:43,083 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:13:43,083 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2018-11-18 14:13:43,083 INFO L421 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:13:43,083 INFO L425 ceAbstractionStarter]: For program point L829-1(line 829) no Hoare annotation was computed. [2018-11-18 14:13:43,083 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 824 840) no Hoare annotation was computed. [2018-11-18 14:13:43,083 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 824 840) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:13:43,084 INFO L421 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:13:43,084 INFO L425 ceAbstractionStarter]: For program point L835-1(lines 824 840) no Hoare annotation was computed. [2018-11-18 14:13:43,084 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 905 923) no Hoare annotation was computed. [2018-11-18 14:13:43,084 INFO L428 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2018-11-18 14:13:43,084 INFO L425 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2018-11-18 14:13:43,084 INFO L425 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2018-11-18 14:13:43,084 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 905 923) the Hoare annotation is: true [2018-11-18 14:13:43,084 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 905 923) no Hoare annotation was computed. [2018-11-18 14:13:43,084 INFO L425 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-11-18 14:13:43,084 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1)) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-11-18 14:13:43,084 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2018-11-18 14:13:43,084 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2018-11-18 14:13:43,085 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2018-11-18 14:13:43,085 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2018-11-18 14:13:43,085 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2018-11-18 14:13:43,085 INFO L425 ceAbstractionStarter]: For program point L736(lines 735 754) no Hoare annotation was computed. [2018-11-18 14:13:43,085 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 732 755) the Hoare annotation is: (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (and .cse4 .cse11)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 (or .cse5 .cse1 .cse2)) (or .cse6 .cse7 .cse5 .cse8) (or .cse5 .cse9 .cse2 .cse10) (or (or .cse7 .cse0 .cse1) .cse3) (or .cse5 .cse11 .cse12 .cse2) (or .cse7 .cse5 .cse3 .cse12) (or .cse7 .cse5 .cse10 .cse9) (or .cse5 .cse6 (not (= ~systemActive~0 1)) .cse2 .cse8)))) [2018-11-18 14:13:43,085 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 732 755) no Hoare annotation was computed. [2018-11-18 14:13:43,085 INFO L421 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not .cse2)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= ~waterLevel~0 2)) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (and .cse4 .cse5) (or .cse6 .cse3 .cse7)) (or (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse6 .cse8 .cse9) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5 .cse10)) (or .cse6 .cse11 (not (= ~systemActive~0 1)) .cse7 .cse12) (or (and .cse9 .cse4 .cse10) .cse6 .cse8 .cse7) (or .cse1 .cse6 .cse11 .cse12)))) [2018-11-18 14:13:43,085 INFO L421 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or (and (not .cse0) .cse1) (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or (= ~waterLevel~0 2) .cse6 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse7 (or .cse6 .cse0 .cse4)) (or (or .cse6 .cse3 .cse4) .cse1) (or .cse6 .cse3 .cse2 (< |old(~waterLevel~0)| 1)) (or .cse3 .cse8 .cse5 (and .cse9 .cse2)) (or (or .cse0 .cse4 .cse5) (and (not (= ~waterLevel~0 1)) .cse10) .cse7) (or .cse6 .cse3 .cse9 .cse8)))) [2018-11-18 14:13:43,086 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 732 755) no Hoare annotation was computed. [2018-11-18 14:13:43,086 INFO L421 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse4) (and .cse5 .cse6)) (or .cse1 .cse2 .cse7) (or (or .cse3 .cse4 .cse7) (and .cse6 .cse5)))) [2018-11-18 14:13:43,086 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 14:13:43,086 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 14:13:43,086 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 14:13:43,086 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 14:13:43,086 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 14:13:43,086 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 14:13:43,086 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 14:13:43,086 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 14:13:43,086 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 14:13:43,086 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 14:13:43,086 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 14:13:43,086 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse0))) [2018-11-18 14:13:43,087 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-11-18 14:13:43,087 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-11-18 14:13:43,087 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 14:13:43,087 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 14:13:43,087 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:13:43,087 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 14:13:43,087 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:13:43,087 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:13:43,087 INFO L425 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2018-11-18 14:13:43,087 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 764 788) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:13:43,087 INFO L425 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2018-11-18 14:13:43,087 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 764 788) no Hoare annotation was computed. [2018-11-18 14:13:43,088 INFO L421 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-11-18 14:13:43,088 INFO L425 ceAbstractionStarter]: For program point L783-1(lines 764 788) no Hoare annotation was computed. [2018-11-18 14:13:43,088 INFO L421 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 1) (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse3 .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-11-18 14:13:43,088 INFO L421 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (< ~waterLevel~0 2)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse0 .cse1 .cse6 .cse3)) (or (or .cse4 .cse0 .cse1 .cse6) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse5)))) [2018-11-18 14:13:43,088 INFO L425 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2018-11-18 14:13:43,088 INFO L421 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:13:43,088 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 958 965) no Hoare annotation was computed. [2018-11-18 14:13:43,088 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 958 965) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-11-18 14:13:43,089 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 958 965) no Hoare annotation was computed. [2018-11-18 14:13:43,089 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2018-11-18 14:13:43,089 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2018-11-18 14:13:43,089 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1) (or (< |old(~waterLevel~0)| 1) .cse4 (or .cse1 .cse6)) (or .cse4 .cse5 (or (= ~systemActive~0 0) .cse6)) (or .cse1 .cse3 .cse6 .cse2) (or .cse0 .cse7 .cse1 .cse8) (or .cse7 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse8))) [2018-11-18 14:13:43,089 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 647 654) no Hoare annotation was computed. [2018-11-18 14:13:43,089 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2018-11-18 14:13:43,089 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 647 654) the Hoare annotation is: true [2018-11-18 14:13:43,089 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 647 654) no Hoare annotation was computed. [2018-11-18 14:13:43,089 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 255 279) the Hoare annotation is: true [2018-11-18 14:13:43,089 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 255 279) no Hoare annotation was computed. [2018-11-18 14:13:43,090 INFO L421 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0))) [2018-11-18 14:13:43,090 INFO L425 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2018-11-18 14:13:43,090 INFO L421 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0))) [2018-11-18 14:13:43,090 INFO L425 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2018-11-18 14:13:43,090 INFO L425 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2018-11-18 14:13:43,090 INFO L425 ceAbstractionStarter]: For program point L263-1(lines 255 279) no Hoare annotation was computed. [2018-11-18 14:13:43,090 INFO L428 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-11-18 14:13:43,090 INFO L425 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-11-18 14:13:43,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:13:43 BoogieIcfgContainer [2018-11-18 14:13:43,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:13:43,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:13:43,100 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:13:43,100 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:13:43,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:13:22" (3/4) ... [2018-11-18 14:13:43,104 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:13:43,109 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:13:43,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:13:43,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:13:43,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:13:43,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:13:43,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:13:43,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:13:43,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:13:43,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:13:43,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:13:43,116 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 14:13:43,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:13:43,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:13:43,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:13:43,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:13:43,175 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f0e84459-a181-4a95-abb0-e0383716070d/bin-2019/utaipan/witness.graphml [2018-11-18 14:13:43,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:13:43,176 INFO L168 Benchmark]: Toolchain (without parser) took 21702.64 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 956.6 MB in the beginning and 1.5 GB in the end (delta: -521.1 MB). Peak memory consumption was 547.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:13:43,176 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:13:43,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:13:43,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:13:43,177 INFO L168 Benchmark]: Boogie Preprocessor took 33.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:13:43,177 INFO L168 Benchmark]: RCFGBuilder took 525.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:13:43,177 INFO L168 Benchmark]: TraceAbstraction took 20672.45 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 933.8 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -417.5 MB). Peak memory consumption was 938.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:13:43,177 INFO L168 Benchmark]: Witness Printer took 75.42 ms. Allocated memory is still 2.1 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 99.0 kB). Peak memory consumption was 99.0 kB. Max. memory is 11.5 GB. [2018-11-18 14:13:43,179 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 525.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20672.45 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 933.8 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -417.5 MB). Peak memory consumption was 938.1 MB. Max. memory is 11.5 GB. * Witness Printer took 75.42 ms. Allocated memory is still 2.1 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 99.0 kB). Peak memory consumption was 99.0 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. SAFE Result, 20.6s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 11.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2311 SDtfs, 1866 SDslu, 9528 SDs, 0 SdLazy, 3917 SolverSat, 645 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 554 GetRequests, 432 SyntacticMatches, 3 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3198occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968117163528769 AbsIntWeakeningRatio, 1.058252427184466 AbsIntAvgWeakeningVarsNumRemoved, 83.62135922330097 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 967 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 4422 PreInvPairs, 4661 NumberOfFragments, 2450 HoareAnnotationTreeSize, 4422 FomulaSimplifications, 14211 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 68 FomulaSimplificationsInter, 25503 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1148 NumberOfCodeBlocks, 1148 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1294 ConstructedInterpolants, 0 QuantifiedInterpolants, 253985 SizeOfPredicates, 7 NumberOfNonLiveVariables, 804 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 146/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...