./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/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 484c358b13fd8def6bfbf41b26d96fd32414391c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:27:51,898 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:27:51,900 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:27:51,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:27:51,908 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:27:51,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:27:51,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:27:51,911 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:27:51,912 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:27:51,912 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:27:51,913 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:27:51,913 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:27:51,914 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:27:51,914 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:27:51,915 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:27:51,916 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:27:51,916 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:27:51,917 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:27:51,919 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:27:51,920 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:27:51,921 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:27:51,921 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:27:51,923 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:27:51,923 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:27:51,923 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:27:51,924 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:27:51,925 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:27:51,925 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:27:51,926 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:27:51,926 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:27:51,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:27:51,927 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:27:51,927 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:27:51,927 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:27:51,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:27:51,928 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:27:51,928 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:27:51,938 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:27:51,939 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:27:51,939 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:27:51,939 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:27:51,940 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:27:51,940 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:27:51,940 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:27:51,940 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:27:51,940 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:27:51,940 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:27:51,940 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:27:51,940 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:27:51,940 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:27:51,941 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:27:51,941 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:27:51,941 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:27:51,941 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:27:51,941 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:27:51,941 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:27:51,942 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:27:51,942 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:27:51,942 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:27:51,942 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:27:51,942 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:27:51,942 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:27:51,942 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:27:51,942 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:27:51,942 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:27:51,943 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:27:51,943 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:27:51,943 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:27:51,943 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:27:51,943 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:27:51,943 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:27:51,943 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:27:51,943 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:27:51,943 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_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/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 -> 484c358b13fd8def6bfbf41b26d96fd32414391c [2018-12-08 16:27:51,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:27:51,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:27:51,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:27:51,977 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:27:51,977 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:27:51,978 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product46_true-unreach-call_false-termination.cil.c [2018-12-08 16:27:52,019 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/data/edb264161/7a660a5c9dd04a21925b11e5e69c92c0/FLAGa7aefe480 [2018-12-08 16:27:52,396 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:27:52,397 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/sv-benchmarks/c/product-lines/minepump_spec5_product46_true-unreach-call_false-termination.cil.c [2018-12-08 16:27:52,402 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/data/edb264161/7a660a5c9dd04a21925b11e5e69c92c0/FLAGa7aefe480 [2018-12-08 16:27:52,410 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/data/edb264161/7a660a5c9dd04a21925b11e5e69c92c0 [2018-12-08 16:27:52,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:27:52,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:27:52,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:27:52,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:27:52,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:27:52,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52, skipping insertion in model container [2018-12-08 16:27:52,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:27:52,443 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:27:52,604 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:27:52,648 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:27:52,692 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:27:52,709 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:27:52,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52 WrapperNode [2018-12-08 16:27:52,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:27:52,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:27:52,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:27:52,710 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:27:52,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:27:52,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:27:52,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:27:52,732 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:27:52,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... [2018-12-08 16:27:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:27:52,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:27:52,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:27:52,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:27:52,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:27:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:27:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:27:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:27:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:27:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:27:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:27:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:27:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:27:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:27:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 16:27:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 16:27:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:27:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:27:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:27:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:27:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 16:27:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 16:27:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 16:27:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 16:27:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 16:27:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 16:27:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:27:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:27:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:27:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:27:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:27:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:27:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:27:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:27:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 16:27:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 16:27:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:27:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:27:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:27:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:27:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:27:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:27:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 16:27:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 16:27:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 16:27:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 16:27:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 16:27:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 16:27:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:27:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:27:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:27:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:27:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:27:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:27:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 16:27:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 16:27:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:27:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:27:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-08 16:27:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-08 16:27:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:27:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:27:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:27:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:27:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:27:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:27:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:27:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:27:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:27:53,096 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:27:53,096 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:27:53,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:27:53 BoogieIcfgContainer [2018-12-08 16:27:53,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:27:53,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:27:53,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:27:53,099 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:27:53,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:27:52" (1/3) ... [2018-12-08 16:27:53,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc3fa83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:27:53, skipping insertion in model container [2018-12-08 16:27:53,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:27:52" (2/3) ... [2018-12-08 16:27:53,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc3fa83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:27:53, skipping insertion in model container [2018-12-08 16:27:53,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:27:53" (3/3) ... [2018-12-08 16:27:53,101 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46_true-unreach-call_false-termination.cil.c [2018-12-08 16:27:53,107 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:27:53,112 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:27:53,122 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:27:53,141 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:27:53,141 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:27:53,141 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:27:53,141 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:27:53,142 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:27:53,142 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:27:53,142 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:27:53,142 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:27:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2018-12-08 16:27:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:27:53,159 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:53,160 INFO L402 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] [2018-12-08 16:27:53,161 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:53,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:53,165 INFO L82 PathProgramCache]: Analyzing trace with hash -2010089122, now seen corresponding path program 1 times [2018-12-08 16:27:53,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:53,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:53,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:53,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:53,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:27:53,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:53,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:27:53,315 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:53,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:27:53,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:27:53,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:27:53,328 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2018-12-08 16:27:53,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:53,354 INFO L93 Difference]: Finished difference Result 290 states and 357 transitions. [2018-12-08 16:27:53,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:27:53,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 16:27:53,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:53,362 INFO L225 Difference]: With dead ends: 290 [2018-12-08 16:27:53,362 INFO L226 Difference]: Without dead ends: 147 [2018-12-08 16:27:53,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:27:53,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-08 16:27:53,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-08 16:27:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-08 16:27:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2018-12-08 16:27:53,396 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2018-12-08 16:27:53,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:53,397 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2018-12-08 16:27:53,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:27:53,397 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2018-12-08 16:27:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:27:53,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:53,399 INFO L402 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] [2018-12-08 16:27:53,399 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:53,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:53,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1718304000, now seen corresponding path program 1 times [2018-12-08 16:27:53,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:53,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:53,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:53,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:53,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:27:53,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:53,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:27:53,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:53,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:27:53,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:27:53,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:27:53,453 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 3 states. [2018-12-08 16:27:53,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:53,467 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-12-08 16:27:53,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:27:53,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 16:27:53,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:53,469 INFO L225 Difference]: With dead ends: 235 [2018-12-08 16:27:53,469 INFO L226 Difference]: Without dead ends: 138 [2018-12-08 16:27:53,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:27:53,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-08 16:27:53,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-08 16:27:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-08 16:27:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2018-12-08 16:27:53,477 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 60 [2018-12-08 16:27:53,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:53,477 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2018-12-08 16:27:53,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:27:53,478 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2018-12-08 16:27:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:27:53,478 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:53,479 INFO L402 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] [2018-12-08 16:27:53,479 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:53,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:53,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1246984542, now seen corresponding path program 1 times [2018-12-08 16:27:53,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:53,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:53,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:53,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:53,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:27:53,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:53,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:27:53,561 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:53,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:27:53,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:27:53,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:27:53,562 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 7 states. [2018-12-08 16:27:53,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:53,733 INFO L93 Difference]: Finished difference Result 248 states and 293 transitions. [2018-12-08 16:27:53,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:27:53,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-08 16:27:53,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:53,735 INFO L225 Difference]: With dead ends: 248 [2018-12-08 16:27:53,735 INFO L226 Difference]: Without dead ends: 138 [2018-12-08 16:27:53,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:27:53,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-08 16:27:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-08 16:27:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-08 16:27:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2018-12-08 16:27:53,744 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 65 [2018-12-08 16:27:53,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:53,745 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2018-12-08 16:27:53,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:27:53,745 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2018-12-08 16:27:53,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 16:27:53,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:53,746 INFO L402 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] [2018-12-08 16:27:53,747 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:53,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:53,747 INFO L82 PathProgramCache]: Analyzing trace with hash -192579953, now seen corresponding path program 1 times [2018-12-08 16:27:53,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:53,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:53,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:53,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:53,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:27:53,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:53,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:27:53,817 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:53,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:27:53,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:27:53,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:27:53,818 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 5 states. [2018-12-08 16:27:54,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:54,112 INFO L93 Difference]: Finished difference Result 364 states and 436 transitions. [2018-12-08 16:27:54,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:27:54,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-12-08 16:27:54,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:54,114 INFO L225 Difference]: With dead ends: 364 [2018-12-08 16:27:54,114 INFO L226 Difference]: Without dead ends: 254 [2018-12-08 16:27:54,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:27:54,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-08 16:27:54,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2018-12-08 16:27:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-12-08 16:27:54,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2018-12-08 16:27:54,130 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 78 [2018-12-08 16:27:54,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:54,131 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2018-12-08 16:27:54,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:27:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2018-12-08 16:27:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 16:27:54,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:54,132 INFO L402 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] [2018-12-08 16:27:54,132 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:54,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:54,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1015296357, now seen corresponding path program 1 times [2018-12-08 16:27:54,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:54,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:54,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:27:54,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:54,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:27:54,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:54,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:27:54,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:27:54,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:27:54,207 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 7 states. [2018-12-08 16:27:54,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:54,567 INFO L93 Difference]: Finished difference Result 460 states and 539 transitions. [2018-12-08 16:27:54,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:27:54,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-08 16:27:54,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:54,569 INFO L225 Difference]: With dead ends: 460 [2018-12-08 16:27:54,569 INFO L226 Difference]: Without dead ends: 253 [2018-12-08 16:27:54,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:27:54,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-12-08 16:27:54,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 234. [2018-12-08 16:27:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-12-08 16:27:54,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 264 transitions. [2018-12-08 16:27:54,582 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 264 transitions. Word has length 92 [2018-12-08 16:27:54,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:54,582 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 264 transitions. [2018-12-08 16:27:54,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:27:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 264 transitions. [2018-12-08 16:27:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 16:27:54,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:54,583 INFO L402 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, 1, 1, 1, 1] [2018-12-08 16:27:54,583 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:54,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:54,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1693278018, now seen corresponding path program 1 times [2018-12-08 16:27:54,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:54,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:54,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:27:54,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:54,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:27:54,628 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:54,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:27:54,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:27:54,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:27:54,629 INFO L87 Difference]: Start difference. First operand 234 states and 264 transitions. Second operand 6 states. [2018-12-08 16:27:54,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:54,651 INFO L93 Difference]: Finished difference Result 447 states and 516 transitions. [2018-12-08 16:27:54,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:27:54,652 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-12-08 16:27:54,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:54,653 INFO L225 Difference]: With dead ends: 447 [2018-12-08 16:27:54,653 INFO L226 Difference]: Without dead ends: 241 [2018-12-08 16:27:54,654 INFO L631 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 [2018-12-08 16:27:54,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-12-08 16:27:54,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2018-12-08 16:27:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-12-08 16:27:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 269 transitions. [2018-12-08 16:27:54,666 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 269 transitions. Word has length 108 [2018-12-08 16:27:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:54,666 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 269 transitions. [2018-12-08 16:27:54,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:27:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 269 transitions. [2018-12-08 16:27:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 16:27:54,668 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:54,668 INFO L402 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, 1, 1, 1, 1] [2018-12-08 16:27:54,668 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:54,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:54,669 INFO L82 PathProgramCache]: Analyzing trace with hash -673416576, now seen corresponding path program 1 times [2018-12-08 16:27:54,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:54,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:54,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,670 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:54,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:27:54,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:54,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 16:27:54,747 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:54,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:27:54,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:27:54,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:27:54,748 INFO L87 Difference]: Start difference. First operand 239 states and 269 transitions. Second operand 8 states. [2018-12-08 16:27:54,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:54,768 INFO L93 Difference]: Finished difference Result 457 states and 527 transitions. [2018-12-08 16:27:54,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:27:54,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-12-08 16:27:54,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:54,770 INFO L225 Difference]: With dead ends: 457 [2018-12-08 16:27:54,770 INFO L226 Difference]: Without dead ends: 246 [2018-12-08 16:27:54,771 INFO L631 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 [2018-12-08 16:27:54,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-12-08 16:27:54,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243. [2018-12-08 16:27:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-12-08 16:27:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 273 transitions. [2018-12-08 16:27:54,780 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 273 transitions. Word has length 108 [2018-12-08 16:27:54,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:54,781 INFO L480 AbstractCegarLoop]: Abstraction has 243 states and 273 transitions. [2018-12-08 16:27:54,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:27:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 273 transitions. [2018-12-08 16:27:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 16:27:54,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:54,782 INFO L402 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, 1, 1, 1, 1] [2018-12-08 16:27:54,782 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:54,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:54,782 INFO L82 PathProgramCache]: Analyzing trace with hash -913956705, now seen corresponding path program 1 times [2018-12-08 16:27:54,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:54,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:54,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,783 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:27:54,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:54,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:27:54,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:54,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:27:54,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:27:54,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:27:54,833 INFO L87 Difference]: Start difference. First operand 243 states and 273 transitions. Second operand 4 states. [2018-12-08 16:27:54,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:54,937 INFO L93 Difference]: Finished difference Result 695 states and 818 transitions. [2018-12-08 16:27:54,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:27:54,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-08 16:27:54,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:54,939 INFO L225 Difference]: With dead ends: 695 [2018-12-08 16:27:54,940 INFO L226 Difference]: Without dead ends: 480 [2018-12-08 16:27:54,940 INFO L631 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 [2018-12-08 16:27:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2018-12-08 16:27:54,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 471. [2018-12-08 16:27:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2018-12-08 16:27:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 544 transitions. [2018-12-08 16:27:54,958 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 544 transitions. Word has length 108 [2018-12-08 16:27:54,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:54,958 INFO L480 AbstractCegarLoop]: Abstraction has 471 states and 544 transitions. [2018-12-08 16:27:54,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:27:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 544 transitions. [2018-12-08 16:27:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 16:27:54,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:54,960 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:27:54,960 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:54,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:54,960 INFO L82 PathProgramCache]: Analyzing trace with hash 49933465, now seen corresponding path program 1 times [2018-12-08 16:27:54,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:54,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:54,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:54,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:27:55,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:55,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 16:27:55,030 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:55,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:27:55,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:27:55,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:27:55,031 INFO L87 Difference]: Start difference. First operand 471 states and 544 transitions. Second operand 9 states. [2018-12-08 16:27:55,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:55,682 INFO L93 Difference]: Finished difference Result 1244 states and 1500 transitions. [2018-12-08 16:27:55,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 16:27:55,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-12-08 16:27:55,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:55,684 INFO L225 Difference]: With dead ends: 1244 [2018-12-08 16:27:55,684 INFO L226 Difference]: Without dead ends: 873 [2018-12-08 16:27:55,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:27:55,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2018-12-08 16:27:55,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 792. [2018-12-08 16:27:55,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2018-12-08 16:27:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 904 transitions. [2018-12-08 16:27:55,712 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 904 transitions. Word has length 112 [2018-12-08 16:27:55,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:55,712 INFO L480 AbstractCegarLoop]: Abstraction has 792 states and 904 transitions. [2018-12-08 16:27:55,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:27:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 904 transitions. [2018-12-08 16:27:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 16:27:55,714 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:55,714 INFO L402 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, 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] [2018-12-08 16:27:55,714 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:55,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:55,714 INFO L82 PathProgramCache]: Analyzing trace with hash 171845945, now seen corresponding path program 1 times [2018-12-08 16:27:55,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:55,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:55,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:55,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:55,715 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:27:55,797 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:27:55,797 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:27:55,797 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-12-08 16:27:55,799 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [79], [82], [84], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [136], [138], [144], [147], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [183], [184], [192], [193], [197], [200], [204], [210], [239], [243], [244], [252], [256], [257], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [278], [279], [280], [281], [284], [285], [286], [287], [288], [290], [291], [292], [293], [296], [297], [298], [299], [300], [301], [306], [307], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [328], [329], [330] [2018-12-08 16:27:55,824 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:27:55,824 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:27:56,899 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:27:56,899 INFO L272 AbstractInterpreter]: Visited 132 different actions 628 times. Merged at 16 different actions 46 times. Never widened. Performed 20804 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20804 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-08 16:27:56,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:56,905 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:27:56,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:27:56,905 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/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 [2018-12-08 16:27:56,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:56,912 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:27:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:56,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:27:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:27:57,097 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:27:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:27:57,329 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:27:57,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-08 16:27:57,329 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:27:57,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 16:27:57,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 16:27:57,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:27:57,330 INFO L87 Difference]: Start difference. First operand 792 states and 904 transitions. Second operand 16 states. [2018-12-08 16:27:57,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:57,994 INFO L93 Difference]: Finished difference Result 1796 states and 2127 transitions. [2018-12-08 16:27:57,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 16:27:57,994 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 172 [2018-12-08 16:27:57,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:57,997 INFO L225 Difference]: With dead ends: 1796 [2018-12-08 16:27:57,997 INFO L226 Difference]: Without dead ends: 1102 [2018-12-08 16:27:57,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 336 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-08 16:27:58,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2018-12-08 16:27:58,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 958. [2018-12-08 16:27:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2018-12-08 16:27:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1104 transitions. [2018-12-08 16:27:58,033 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1104 transitions. Word has length 172 [2018-12-08 16:27:58,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:58,033 INFO L480 AbstractCegarLoop]: Abstraction has 958 states and 1104 transitions. [2018-12-08 16:27:58,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 16:27:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1104 transitions. [2018-12-08 16:27:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-08 16:27:58,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:58,037 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 16:27:58,037 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:58,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:58,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1676930694, now seen corresponding path program 1 times [2018-12-08 16:27:58,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:58,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:58,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:58,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:58,038 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 79 proven. 7 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2018-12-08 16:27:58,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:27:58,153 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:27:58,153 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 304 with the following transitions: [2018-12-08 16:27:58,154 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [136], [138], [144], [147], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [183], [184], [192], [193], [197], [200], [204], [210], [239], [243], [244], [252], [256], [257], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [278], [279], [280], [281], [284], [285], [286], [287], [288], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [306], [307], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [328], [329], [330] [2018-12-08 16:27:58,157 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:27:58,157 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:27:59,129 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:27:59,129 INFO L272 AbstractInterpreter]: Visited 133 different actions 658 times. Merged at 17 different actions 52 times. Never widened. Performed 27760 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27760 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-08 16:27:59,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:59,130 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:27:59,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:27:59,130 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:27:59,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:59,137 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:27:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:59,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:27:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 230 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 16:27:59,372 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:27:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-12-08 16:27:59,874 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:27:59,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-12-08 16:27:59,874 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:27:59,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 16:27:59,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 16:27:59,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2018-12-08 16:27:59,876 INFO L87 Difference]: Start difference. First operand 958 states and 1104 transitions. Second operand 19 states. [2018-12-08 16:28:02,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:02,741 INFO L93 Difference]: Finished difference Result 3564 states and 4925 transitions. [2018-12-08 16:28:02,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-12-08 16:28:02,741 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 303 [2018-12-08 16:28:02,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:02,751 INFO L225 Difference]: With dead ends: 3564 [2018-12-08 16:28:02,752 INFO L226 Difference]: Without dead ends: 2642 [2018-12-08 16:28:02,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 598 SyntacticMatches, 9 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=880, Invalid=4670, Unknown=0, NotChecked=0, Total=5550 [2018-12-08 16:28:02,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2018-12-08 16:28:02,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 1831. [2018-12-08 16:28:02,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1831 states. [2018-12-08 16:28:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2042 transitions. [2018-12-08 16:28:02,832 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2042 transitions. Word has length 303 [2018-12-08 16:28:02,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:02,833 INFO L480 AbstractCegarLoop]: Abstraction has 1831 states and 2042 transitions. [2018-12-08 16:28:02,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 16:28:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2042 transitions. [2018-12-08 16:28:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-12-08 16:28:02,837 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:02,837 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 16:28:02,837 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:02,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:02,837 INFO L82 PathProgramCache]: Analyzing trace with hash 117154374, now seen corresponding path program 1 times [2018-12-08 16:28:02,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:02,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:02,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:02,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:02,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 98 proven. 55 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 16:28:02,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:28:02,957 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:28:02,957 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 324 with the following transitions: [2018-12-08 16:28:02,958 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [133], [136], [138], [144], [147], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [183], [184], [189], [191], [192], [193], [197], [200], [204], [210], [239], [243], [244], [252], [256], [257], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [278], [279], [280], [281], [284], [285], [286], [287], [288], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [328], [329], [330] [2018-12-08 16:28:02,961 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:28:02,961 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:28:04,355 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:28:04,356 INFO L272 AbstractInterpreter]: Visited 143 different actions 969 times. Merged at 24 different actions 111 times. Never widened. Performed 42407 root evaluator evaluations with a maximum evaluation depth of 3. Performed 42407 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 28 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-08 16:28:04,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:04,357 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:28:04,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:28:04,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:28:04,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:04,363 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:28:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:04,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:28:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 269 proven. 16 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-08 16:28:04,540 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:28:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 98 proven. 55 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 16:28:04,922 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:28:04,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2018-12-08 16:28:04,923 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:28:04,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 16:28:04,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 16:28:04,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 16:28:04,924 INFO L87 Difference]: Start difference. First operand 1831 states and 2042 transitions. Second operand 20 states. [2018-12-08 16:28:05,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:05,678 INFO L93 Difference]: Finished difference Result 3462 states and 3879 transitions. [2018-12-08 16:28:05,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 16:28:05,678 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 323 [2018-12-08 16:28:05,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:05,682 INFO L225 Difference]: With dead ends: 3462 [2018-12-08 16:28:05,682 INFO L226 Difference]: Without dead ends: 1835 [2018-12-08 16:28:05,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 641 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2018-12-08 16:28:05,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2018-12-08 16:28:05,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1831. [2018-12-08 16:28:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1831 states. [2018-12-08 16:28:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2037 transitions. [2018-12-08 16:28:05,748 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2037 transitions. Word has length 323 [2018-12-08 16:28:05,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:05,748 INFO L480 AbstractCegarLoop]: Abstraction has 1831 states and 2037 transitions. [2018-12-08 16:28:05,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 16:28:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2037 transitions. [2018-12-08 16:28:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-08 16:28:05,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:05,752 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 16:28:05,753 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:05,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:05,753 INFO L82 PathProgramCache]: Analyzing trace with hash -178910321, now seen corresponding path program 1 times [2018-12-08 16:28:05,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:05,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:05,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:05,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:05,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 16:28:05,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:28:05,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-08 16:28:05,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:05,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 16:28:05,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 16:28:05,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:28:05,866 INFO L87 Difference]: Start difference. First operand 1831 states and 2037 transitions. Second operand 13 states. [2018-12-08 16:28:06,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:06,308 INFO L93 Difference]: Finished difference Result 3360 states and 3763 transitions. [2018-12-08 16:28:06,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 16:28:06,308 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 324 [2018-12-08 16:28:06,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:06,312 INFO L225 Difference]: With dead ends: 3360 [2018-12-08 16:28:06,312 INFO L226 Difference]: Without dead ends: 1733 [2018-12-08 16:28:06,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2018-12-08 16:28:06,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-12-08 16:28:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1696. [2018-12-08 16:28:06,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2018-12-08 16:28:06,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 1878 transitions. [2018-12-08 16:28:06,372 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 1878 transitions. Word has length 324 [2018-12-08 16:28:06,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:06,373 INFO L480 AbstractCegarLoop]: Abstraction has 1696 states and 1878 transitions. [2018-12-08 16:28:06,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 16:28:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 1878 transitions. [2018-12-08 16:28:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-08 16:28:06,375 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:06,375 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 16:28:06,375 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:06,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:06,375 INFO L82 PathProgramCache]: Analyzing trace with hash 540022761, now seen corresponding path program 1 times [2018-12-08 16:28:06,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:06,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:06,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:06,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:06,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 94 proven. 46 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-12-08 16:28:06,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:28:06,508 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:28:06,509 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 329 with the following transitions: [2018-12-08 16:28:06,509 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [24], [27], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [133], [136], [138], [144], [147], [157], [158], [159], [160], [161], [163], [168], [171], [172], [174], [179], [181], [182], [183], [184], [187], [189], [191], [192], [193], [197], [200], [204], [210], [239], [243], [244], [252], [256], [257], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [278], [279], [280], [281], [284], [285], [286], [287], [288], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [328], [329], [330] [2018-12-08 16:28:06,510 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:28:06,511 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:28:08,596 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:28:08,596 INFO L272 AbstractInterpreter]: Visited 145 different actions 1612 times. Merged at 27 different actions 201 times. Never widened. Performed 60726 root evaluator evaluations with a maximum evaluation depth of 3. Performed 60726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 64 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-08 16:28:08,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:08,597 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:28:08,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:28:08,598 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:28:08,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:08,603 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:28:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:08,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:28:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 197 proven. 16 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-12-08 16:28:08,746 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:28:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 98 proven. 27 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-12-08 16:28:09,172 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:28:09,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 21 [2018-12-08 16:28:09,172 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:28:09,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 16:28:09,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 16:28:09,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-12-08 16:28:09,173 INFO L87 Difference]: Start difference. First operand 1696 states and 1878 transitions. Second operand 14 states. [2018-12-08 16:28:10,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:10,243 INFO L93 Difference]: Finished difference Result 3698 states and 4456 transitions. [2018-12-08 16:28:10,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-08 16:28:10,243 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 328 [2018-12-08 16:28:10,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:10,251 INFO L225 Difference]: With dead ends: 3698 [2018-12-08 16:28:10,251 INFO L226 Difference]: Without dead ends: 2754 [2018-12-08 16:28:10,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 649 SyntacticMatches, 21 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2018-12-08 16:28:10,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2018-12-08 16:28:10,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2130. [2018-12-08 16:28:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2130 states. [2018-12-08 16:28:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2367 transitions. [2018-12-08 16:28:10,367 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2367 transitions. Word has length 328 [2018-12-08 16:28:10,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:10,368 INFO L480 AbstractCegarLoop]: Abstraction has 2130 states and 2367 transitions. [2018-12-08 16:28:10,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 16:28:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2367 transitions. [2018-12-08 16:28:10,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-12-08 16:28:10,371 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:10,371 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 16:28:10,372 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:10,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:10,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1991243293, now seen corresponding path program 1 times [2018-12-08 16:28:10,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:10,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:10,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:10,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:10,373 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2018-12-08 16:28:10,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:28:10,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 16:28:10,574 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:10,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:28:10,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:28:10,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:28:10,575 INFO L87 Difference]: Start difference. First operand 2130 states and 2367 transitions. Second operand 8 states. [2018-12-08 16:28:10,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:10,802 INFO L93 Difference]: Finished difference Result 3556 states and 3990 transitions. [2018-12-08 16:28:10,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:28:10,802 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 397 [2018-12-08 16:28:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:10,803 INFO L225 Difference]: With dead ends: 3556 [2018-12-08 16:28:10,803 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:28:10,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:28:10,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:28:10,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:28:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:28:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:28:10,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 397 [2018-12-08 16:28:10,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:10,807 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:28:10,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:28:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:28:10,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:28:10,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:28:10,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:10,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,127 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 200 [2018-12-08 16:28:11,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:11,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:28:12,157 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 200 [2018-12-08 16:28:12,419 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 31 [2018-12-08 16:28:12,628 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2018-12-08 16:28:13,087 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 50 [2018-12-08 16:28:13,242 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2018-12-08 16:28:13,471 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-12-08 16:28:13,985 WARN L180 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 51 [2018-12-08 16:28:14,108 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2018-12-08 16:28:14,923 WARN L180 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 81 [2018-12-08 16:28:15,881 WARN L180 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 86 [2018-12-08 16:28:16,102 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 1 [2018-12-08 16:28:16,472 WARN L180 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 49 [2018-12-08 16:28:16,754 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-12-08 16:28:16,978 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 53 [2018-12-08 16:28:17,208 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 48 [2018-12-08 16:28:17,830 WARN L180 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 53 [2018-12-08 16:28:17,983 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2018-12-08 16:28:18,143 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2018-12-08 16:28:18,302 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2018-12-08 16:28:18,493 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2018-12-08 16:28:18,712 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 47 [2018-12-08 16:28:19,137 WARN L180 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 56 [2018-12-08 16:28:19,424 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2018-12-08 16:28:19,804 WARN L180 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 44 [2018-12-08 16:28:20,066 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-12-08 16:28:21,430 WARN L180 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 186 DAG size of output: 79 [2018-12-08 16:28:22,073 WARN L180 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 50 [2018-12-08 16:28:22,075 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 679 685) the Hoare annotation is: true [2018-12-08 16:28:22,076 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 679 685) no Hoare annotation was computed. [2018-12-08 16:28:22,076 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 686 694) no Hoare annotation was computed. [2018-12-08 16:28:22,076 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 686 694) the Hoare annotation is: true [2018-12-08 16:28:22,076 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 686 694) no Hoare annotation was computed. [2018-12-08 16:28:22,076 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:28:22,076 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-08 16:28:22,076 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-08 16:28:22,076 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (= ~systemActive~0 1))) (let ((.cse11 (or (and .cse14 .cse0) (and .cse9 .cse14))) (.cse12 (< 2 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= ~waterLevel~0 2))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse14)) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse1 .cse6 .cse7 .cse0 .cse3 .cse4) (or .cse8 (< 0 ~waterLevel~0) .cse1 .cse7 .cse3 .cse9) (or .cse6 .cse0 .cse7 .cse3 .cse4 .cse10) (or .cse11 (or .cse8 .cse7 .cse3) .cse12 .cse10) (or .cse7 .cse0 .cse3 .cse4 .cse10 .cse13) (or .cse8 .cse1 .cse7 .cse3 .cse9 .cse5) (or .cse1 .cse11 (or .cse8 .cse7 .cse12 .cse3)) (or .cse1 .cse7 .cse0 .cse3 .cse4 .cse13) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse8 .cse6 .cse7 .cse3 .cse10 .cse9)))) [2018-12-08 16:28:22,076 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-12-08 16:28:22,076 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-08 16:28:22,076 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-12-08 16:28:22,076 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-12-08 16:28:22,077 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (< 2 ~waterLevel~0)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse4 .cse5 .cse1 .cse6 .cse2) (or (< ~switchedOnBeforeTS~0 1) .cse3 (< 1 ~waterLevel~0) .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse6 .cse2))) [2018-12-08 16:28:22,077 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-12-08 16:28:22,077 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-08 16:28:22,077 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-12-08 16:28:22,077 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= ~waterLevel~0 2))) (.cse9 (< 0 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse5 .cse7) (or .cse8 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3 .cse0) (or (< ~switchedOnBeforeTS~0 1) .cse8 (< 1 ~waterLevel~0) .cse1 .cse2 .cse0) (or .cse1 .cse2 .cse3 .cse5 .cse7) (or .cse9 .cse6 .cse2 .cse3 .cse5 .cse0) (or .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (or .cse8 .cse1 .cse2 .cse3 .cse7) (or .cse9 .cse1 .cse2 .cse0 .cse3 .cse5))) [2018-12-08 16:28:22,077 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-12-08 16:28:22,077 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-12-08 16:28:22,077 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-12-08 16:28:22,077 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-12-08 16:28:22,077 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-12-08 16:28:22,077 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,077 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~systemActive~0 1) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,077 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2018-12-08 16:28:22,078 INFO L444 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~systemActive~0 1) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,078 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2018-12-08 16:28:22,078 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2018-12-08 16:28:22,078 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 16:28:22,078 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,078 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,078 INFO L444 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,078 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2018-12-08 16:28:22,078 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 16:28:22,078 INFO L448 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2018-12-08 16:28:22,078 INFO L444 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (let ((.cse4 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) .cse4) (or .cse5 .cse1 .cse2 .cse0 .cse4 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse1 (< 2 ~waterLevel~0) .cse2 .cse0) (or .cse5 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 16:28:22,078 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4 (not .cse6)) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (< 2 ~waterLevel~0) (and .cse6 .cse5) .cse2 .cse3))) [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2018-12-08 16:28:22,079 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse5 .cse1 .cse2 .cse0 .cse3))) [2018-12-08 16:28:22,079 INFO L444 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse0 .cse5))) [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2018-12-08 16:28:22,079 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 672 678) no Hoare annotation was computed. [2018-12-08 16:28:22,079 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 672 678) the Hoare annotation is: true [2018-12-08 16:28:22,079 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2018-12-08 16:28:22,079 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2018-12-08 16:28:22,080 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,080 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2018-12-08 16:28:22,080 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2018-12-08 16:28:22,080 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2018-12-08 16:28:22,080 INFO L451 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-12-08 16:28:22,080 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-08 16:28:22,080 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 1)) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2018-12-08 16:28:22,080 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2018-12-08 16:28:22,080 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2018-12-08 16:28:22,080 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5 .cse8) (or .cse2 .cse3 .cse4 .cse5 .cse0 .cse8) (or .cse1 .cse6 .cse7 .cse4 .cse5))) [2018-12-08 16:28:22,080 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2018-12-08 16:28:22,080 INFO L448 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2018-12-08 16:28:22,080 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse3 .cse4) (or .cse7 .cse8 .cse3 .cse4 .cse1 .cse5) (or .cse1 .cse6 .cse0 .cse2 .cse3 .cse4))) [2018-12-08 16:28:22,080 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse0 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse6 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 16:28:22,081 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or (< 0 ~waterLevel~0) .cse5 .cse6 .cse2 .cse3 .cse7) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4) (or .cse5 .cse7 .cse6 .cse2 .cse3 (not (= ~waterLevel~0 1))))) [2018-12-08 16:28:22,081 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2018-12-08 16:28:22,081 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse5 .cse7 .cse0 .cse6 .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 16:28:22,081 INFO L448 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2018-12-08 16:28:22,081 INFO L448 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2018-12-08 16:28:22,081 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-12-08 16:28:22,081 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2018-12-08 16:28:22,081 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2018-12-08 16:28:22,081 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2018-12-08 16:28:22,081 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2018-12-08 16:28:22,081 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2018-12-08 16:28:22,081 INFO L444 ceAbstractionStarter]: At program point L962-2(lines 954 967) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse9 (= ~pumpRunning~0 1)) (.cse6 (and .cse11 (= 2 ~waterLevel~0) .cse4 .cse5)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse10 (or (and (<= 1 ~switchedOnBeforeTS~0) .cse8 .cse4 .cse5) (and .cse8 .cse4 .cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (.cse1 (<= ~pumpRunning~0 0)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7) (and .cse8 (and .cse0 (and .cse4 .cse5) .cse9)) (and (and .cse8 .cse4 .cse5) .cse9 .cse7) (and .cse0 .cse6) (and .cse0 .cse10 .cse1 .cse3) (and .cse10 .cse1 .cse7 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse4 .cse11 .cse2 .cse5)))) [2018-12-08 16:28:22,081 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 914 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:22,082 INFO L448 ceAbstractionStarter]: For program point L925(lines 924 971) no Hoare annotation was computed. [2018-12-08 16:28:22,082 INFO L444 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse9 (= ~pumpRunning~0 1)) (.cse6 (and .cse11 (= 2 ~waterLevel~0) .cse4 .cse5)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse10 (or (and (<= 1 ~switchedOnBeforeTS~0) .cse8 .cse4 .cse5) (and .cse8 .cse4 .cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (.cse1 (<= ~pumpRunning~0 0)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7) (and .cse8 (and .cse0 (and .cse4 .cse5) .cse9)) (and (and .cse8 .cse4 .cse5) .cse9 .cse7) (and .cse0 .cse6) (and .cse0 .cse10 .cse1 .cse3) (and .cse10 .cse1 .cse7 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse4 .cse11 .cse2 .cse5)))) [2018-12-08 16:28:22,082 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 967) no Hoare annotation was computed. [2018-12-08 16:28:22,082 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 914 979) no Hoare annotation was computed. [2018-12-08 16:28:22,082 INFO L444 ceAbstractionStarter]: At program point L946(line 946) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse3 .cse4)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (<= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse8) (and .cse5 (and (and .cse3 .cse4) .cse0 (= ~pumpRunning~0 1))) (and .cse0 .cse7) (and (or (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse3 .cse4) (and .cse5 .cse3 .cse4 .cse6)) .cse1 .cse8 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-08 16:28:22,082 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-12-08 16:28:22,082 INFO L448 ceAbstractionStarter]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2018-12-08 16:28:22,082 INFO L444 ceAbstractionStarter]: At program point L969(lines 924 971) the Hoare annotation is: (let ((.cse7 (<= ~pumpRunning~0 0)) (.cse9 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 2)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 1))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse10 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse7 .cse9 .cse2 .cse4 .cse5) (and .cse0 .cse7 (= |old(~waterLevel~0)| ~waterLevel~0) .cse9 .cse2 .cse4) (and (and (<= 1 ~switchedOnBeforeTS~0) .cse6 .cse2 .cse4) .cse7 .cse8 .cse9) (and .cse1 .cse8 .cse2 .cse3 .cse4 .cse5) (or (and .cse0 .cse6 .cse10 .cse2 .cse4 .cse5) (and .cse0 (and (not (= ~waterLevel~0 1)) (not (= ~switchedOnBeforeTS~0 0)) .cse10 .cse2 .cse4) .cse6)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 16:28:22,082 INFO L444 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 1)) (.cse6 (= test_~splverifierCounter~0 0))) (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (and (= 1 ~waterLevel~0) .cse5 .cse6)) (.cse1 (<= ~pumpRunning~0 0)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (and (= 0 ~pumpRunning~0) .cse5 .cse6)) (.cse7 (<= ~waterLevel~0 1)) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse11 (= ~waterLevel~0 2)) (.cse8 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (and (and (not (= ~switchedOnBeforeTS~0 0)) .cse5 .cse6) .cse7) .cse8) (not (= |old(~systemActive~0)| 1)) (and (and (or (and .cse9 .cse10) (and (<= 1 ~switchedOnBeforeTS~0) .cse9 .cse7)) .cse2) (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse1 .cse3) (and .cse9 .cse4 .cse11 .cse10) (and .cse9 .cse4 .cse7 .cse10) (and .cse4 .cse11 .cse8 .cse5 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-08 16:28:22,082 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2018-12-08 16:28:22,082 INFO L448 ceAbstractionStarter]: For program point L934-1(lines 934 940) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 930) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L444 ceAbstractionStarter]: At program point L972(lines 923 973) 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))) [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 914 979) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point L962(lines 962 966) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 797 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))) [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2018-12-08 16:28:22,083 INFO L444 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-08 16:28:22,083 INFO L448 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 805 821) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 637 645) the Hoare annotation is: true [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse9 (< ~switchedOnBeforeTS~0 1)) (.cse3 (not (= ~waterLevel~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse10 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) (.cse7 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2 .cse8) (or .cse9 (< 0 ~waterLevel~0) .cse5 .cse0 .cse2 .cse7) (or .cse1 (or (< 2 ~waterLevel~0) (or (not (= 1 ~pumpRunning~0)) .cse2)) .cse4) (or .cse9 .cse5 .cse0 .cse2 .cse7 .cse3) (or .cse6 .cse1 .cse0 .cse2 .cse8 .cse4) (or .cse1 (or .cse10 .cse4)) (or (or .cse5 .cse10) .cse7)))) [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-12-08 16:28:22,084 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2018-12-08 16:28:22,084 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2018-12-08 16:28:22,085 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2018-12-08 16:28:22,085 INFO L444 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= ~systemActive~0 1)))) (let ((.cse22 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse24 (not (= |old(~waterLevel~0)| 2))) (.cse18 (< 2 |old(~waterLevel~0)|)) (.cse23 (or .cse6 .cse10)) (.cse2 (= ~pumpRunning~0 1)) (.cse21 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse12 (and .cse2 .cse21 .cse3 .cse4)) (.cse14 (or .cse18 .cse23)) (.cse16 (or .cse9 .cse10 .cse24)) (.cse8 (and (= 0 ~pumpRunning~0) .cse21 .cse4)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse5 (or .cse10 .cse24)) (.cse7 (= 1 ~waterLevel~0)) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or .cse22 .cse23)) (.cse19 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse20 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse17 (and (<= ~pumpRunning~0 0) .cse21 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4)) (.cse15 (not .cse22))) (and (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 (and .cse2 .cse3 .cse4)) (or (or .cse0 .cse5 .cse6) (and .cse7 .cse2 .cse4)) (or .cse8 .cse0 .cse9 .cse10 .cse11) (or .cse12 .cse13 .cse14 .cse15) (or .cse12 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse4) .cse14 .cse15) (or (or .cse16 .cse15) .cse17) (or (or .cse0 .cse16) .cse8) (or .cse17 .cse0 (and (or .cse9 .cse18 .cse10 .cse19) (or .cse20 .cse9 .cse18 .cse10))) (or .cse9 .cse8 .cse10 .cse11 .cse15) (or (or .cse5 .cse6 .cse15) .cse7) (or .cse13 .cse0 .cse1 .cse21) (or (and (or .cse9 .cse10 .cse19) (or .cse20 .cse9 .cse10)) .cse18 .cse17 .cse15))))) [2018-12-08 16:28:22,085 INFO L444 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse29 (= ~systemActive~0 1))) (let ((.cse22 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (not .cse29))) (let ((.cse24 (not (= |old(~waterLevel~0)| 2))) (.cse14 (< 2 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse25 (= ~methaneLevelCritical~0 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse16 (= 0 ~pumpRunning~0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse28 (<= ~waterLevel~0 0)) (.cse26 (= ~methaneLevelCritical~0 0)) (.cse27 (or .cse22 .cse12))) (let ((.cse2 (or .cse26 .cse27)) (.cse3 (and .cse15 .cse25 .cse29 .cse10 .cse16 .cse18 .cse28)) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (and .cse6 .cse18 .cse28 .cse7)) (.cse8 (or .cse14 .cse27)) (.cse13 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse21 (or .cse12 .cse24)) (.cse9 (not .cse26)) (.cse23 (= 1 ~waterLevel~0)) (.cse19 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse11 (and .cse16 .cse18 .cse7)) (.cse1 (not .cse25)) (.cse20 (or .cse10 .cse12 .cse24))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse1 (< 1 |old(~waterLevel~0)|) .cse10 .cse11 .cse12 .cse13) (or .cse1 .cse2 .cse14 .cse3 (and .cse15 .cse5 .cse16)) (or .cse11 .cse1 .cse10 .cse12 .cse17) (or .cse4 .cse0 .cse8 .cse9) (or (and (<= ~pumpRunning~0 0) .cse18 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7) (and (= ~waterLevel~0 2) .cse18) (and (or .cse10 .cse12 .cse13) (or .cse19 .cse10 .cse12)) .cse14 .cse9) (or (and .cse6 .cse18) .cse11 (or .cse20 .cse9)) (or (or .cse1 .cse21 .cse22) .cse23) (or .cse10 .cse11 .cse12 .cse17 .cse9) (or (or .cse21 .cse22 .cse9) .cse23) (or .cse19 .cse0 .cse1 .cse10 .cse11 .cse12) (or .cse11 (or .cse1 .cse20))))))) [2018-12-08 16:28:22,085 INFO L444 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse5 (or .cse0 .cse1 .cse11)) (.cse9 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse6 (or .cse12 .cse1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse7 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5) (or .cse4 (< 1 |old(~waterLevel~0)|) .cse6 .cse7) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse3) (or (and (or .cse0 .cse1 .cse8) (or .cse9 .cse0 .cse1)) .cse10 .cse3) (or .cse9 .cse4 .cse0 .cse10 .cse1) (or .cse4 .cse0 .cse10 .cse1 .cse8) (or .cse7 (or .cse10 .cse6) .cse3) (or (or .cse4 (or .cse1 .cse11) .cse12) .cse7)))) [2018-12-08 16:28:22,085 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 711 737) the Hoare annotation is: (let ((.cse11 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse15 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse17 (<= ~pumpRunning~0 0)) (.cse18 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse20 (= 0 ~pumpRunning~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and .cse20 .cse16)) (.cse1 (and .cse17 .cse16 .cse18)) (.cse19 (or .cse0 .cse2 .cse8)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse21 (or .cse15 .cse2)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse22 (and (= ~pumpRunning~0 1) .cse16)) (.cse14 (and (or .cse5 .cse11 (< |old(~waterLevel~0)| 2) .cse15 .cse2) (or .cse5 .cse15 .cse2 .cse7 .cse3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse7 .cse8) (or (or .cse6 .cse9) (or .cse10 .cse0 .cse2) .cse11 .cse4) (or .cse5 .cse0 .cse12 .cse2 .cse3) (or .cse13 .cse6 .cse14) (or .cse6 .cse15 .cse2 .cse7 .cse3 .cse4) (or .cse10 (< 0 |old(~waterLevel~0)|) .cse5 .cse0 .cse2 (and .cse9 .cse16)) (or .cse10 .cse13 .cse0 .cse12 .cse2 .cse4) (or .cse10 .cse13 .cse0 .cse2 .cse4 .cse9) (or .cse13 (and .cse17 .cse16 .cse18 .cse6) .cse0 .cse2 .cse7 .cse4) (or (or .cse5 .cse19) .cse1) (or .cse5 (or (and .cse20 .cse6) (and .cse9 .cse20)) (and (or .cse0 .cse11 .cse2 .cse7) (or .cse10 .cse0 .cse11 .cse2))) (or .cse1 (or .cse19 .cse4)) (or .cse5 .cse13 .cse21 .cse22) (or .cse10 .cse5 .cse0 .cse2 .cse9 .cse3) (or .cse22 (or .cse11 .cse21) .cse4) (or .cse0 .cse6 .cse2 .cse7 .cse4 .cse8) (or .cse5 .cse13 .cse0 (and .cse16 .cse6) .cse2 .cse7) (or .cse22 .cse14)))) [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point L718(lines 714 736) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point L716(lines 714 736) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 711 737) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 711 737) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2018-12-08 16:28:22,086 INFO L451 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L451 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L451 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2018-12-08 16:28:22,086 INFO L451 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse1 (or (< 2 |old(~waterLevel~0)|) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2018-12-08 16:28:22,086 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 16:28:22,087 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 905 912) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 905 912) the Hoare annotation is: (let ((.cse7 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= |old(~systemActive~0)| 1)))) (let ((.cse10 (or .cse7 .cse3 (not (= ~waterLevel~0 2)))) (.cse8 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse11 (< ~switchedOnBeforeTS~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 1))) (and (or .cse0 (or .cse1 (or .cse2 .cse3)) .cse4) (or .cse5 .cse6 .cse7 .cse0 .cse3 .cse8) (or .cse7 .cse0 .cse3 .cse9 .cse4) (or (or .cse5 .cse10) .cse0) (or .cse0 (or .cse10 .cse4)) (or .cse6 .cse0 .cse7 .cse3 .cse8 .cse4) (or .cse5 .cse7 .cse0 .cse3 .cse9) (or .cse11 .cse6 .cse7 .cse0 .cse3 .cse4) (or .cse0 (or .cse5 .cse1 .cse2 .cse3)) (or .cse11 (< 0 ~waterLevel~0) .cse5 .cse7 .cse3 .cse0)))) [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 905 912) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse10 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse7 (or .cse10 .cse4 (not (= |old(~waterLevel~0)| 1)))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse0 (or .cse10 .cse4)) (.cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse2 .cse3) (or .cse8 .cse7 .cse2) (or .cse2 .cse0 .cse1 .cse3 .cse6) (or .cse8 .cse0 .cse2 .cse1 .cse6) (or .cse9 (or (= 0 ~switchedOnBeforeTS~0) .cse4) .cse2 .cse5 .cse3) (or .cse8 .cse2 (and (or (< ~switchedOnBeforeTS~0 1) .cse9 .cse0) (or .cse9 .cse0 .cse1)))))) [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2018-12-08 16:28:22,087 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 696 703) no Hoare annotation was computed. [2018-12-08 16:28:22,088 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 696 703) the Hoare annotation is: true [2018-12-08 16:28:22,088 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 696 703) no Hoare annotation was computed. [2018-12-08 16:28:22,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:28:22 BoogieIcfgContainer [2018-12-08 16:28:22,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:28:22,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:28:22,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:28:22,099 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:28:22,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:27:53" (3/4) ... [2018-12-08 16:28:22,102 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:28:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:28:22,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:28:22,111 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-08 16:28:22,111 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 16:28:22,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 16:28:22,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:28:22,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:28:22,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:28:22,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(systemActive) == 1) || (((((0 == methaneLevelCritical && waterLevel == 2) && systemActive == 1) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((((waterLevel <= 1 && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && waterLevel == 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && systemActive == 1) && splverifierCounter == 0)) || ((((((1 <= switchedOnBeforeTS && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning)) || (((((waterLevel == 2 && methaneLevelCritical == 1) && systemActive == 1) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && (((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:28:22,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:28:22,152 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0e56885e-c68b-4a35-a8b4-19e9e7fb9f7c/bin-2019/utaipan/witness.graphml [2018-12-08 16:28:22,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:28:22,153 INFO L168 Benchmark]: Toolchain (without parser) took 29740.74 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 948.1 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 192.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:22,153 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:28:22,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:22,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:28:22,154 INFO L168 Benchmark]: Boogie Preprocessor took 22.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:28:22,154 INFO L168 Benchmark]: RCFGBuilder took 340.77 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:22,154 INFO L168 Benchmark]: TraceAbstraction took 29002.21 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-08 16:28:22,154 INFO L168 Benchmark]: Witness Printer took 53.67 ms. Allocated memory is still 2.8 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 44.6 kB). Peak memory consumption was 44.6 kB. Max. memory is 11.5 GB. [2018-12-08 16:28:22,155 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.67 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 22.93 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. * RCFGBuilder took 340.77 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29002.21 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 53.67 ms. Allocated memory is still 2.8 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 44.6 kB). Peak memory consumption was 44.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: 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: 924]: Loop Invariant Derived loop invariant: ((((((((((!(\old(systemActive) == 1) || (((((0 == methaneLevelCritical && waterLevel == 2) && systemActive == 1) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((((waterLevel <= 1 && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && waterLevel == 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && systemActive == 1) && splverifierCounter == 0)) || ((((((1 <= switchedOnBeforeTS && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning)) || (((((waterLevel == 2 && methaneLevelCritical == 1) && systemActive == 1) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && (((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 160 locations, 1 error locations. SAFE Result, 28.9s OverallTime, 15 OverallIterations, 9 TraceHistogramMax, 7.7s AutomataDifference, 0.0s DeadEndRemovalTime, 11.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3322 SDtfs, 4465 SDslu, 11389 SDs, 0 SdLazy, 13398 SolverSat, 2644 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2588 GetRequests, 2280 SyntacticMatches, 41 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2226 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2130occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.5s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1753 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4302 PreInvPairs, 4592 NumberOfFragments, 5481 HoareAnnotationTreeSize, 4302 FomulaSimplifications, 122759 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 121542 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3763 NumberOfCodeBlocks, 3763 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4866 ConstructedInterpolants, 0 QuantifiedInterpolants, 2074908 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4882 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 3987/4272 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...