./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21b7318e0534e2795ffc81aa5194a01e66c6f479 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:51:56,872 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:51:56,873 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:51:56,881 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:51:56,881 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:51:56,882 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:51:56,882 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:51:56,883 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:51:56,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:51:56,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:51:56,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:51:56,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:51:56,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:51:56,887 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:51:56,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:51:56,887 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:51:56,888 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:51:56,889 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:51:56,890 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:51:56,891 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:51:56,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:51:56,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:51:56,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:51:56,893 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:51:56,893 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:51:56,894 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:51:56,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:51:56,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:51:56,895 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:51:56,896 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:51:56,896 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:51:56,896 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:51:56,897 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:51:56,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:51:56,897 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:51:56,898 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:51:56,898 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:51:56,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:51:56,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:51:56,907 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:51:56,908 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:51:56,908 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:51:56,908 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:51:56,908 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:51:56,908 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:51:56,909 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:51:56,909 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:51:56,909 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:51:56,909 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:51:56,909 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:51:56,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:51:56,910 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:51:56,910 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:51:56,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:51:56,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:51:56,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:51:56,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:51:56,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:51:56,911 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:51:56,911 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:51:56,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:51:56,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:51:56,912 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:51:56,912 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:51:56,912 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:51:56,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:51:56,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:51:56,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:51:56,912 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:51:56,912 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:51:56,913 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:51:56,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:51:56,913 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:51:56,913 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_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21b7318e0534e2795ffc81aa5194a01e66c6f479 [2018-12-09 09:51:56,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:51:56,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:51:56,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:51:56,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:51:56,947 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:51:56,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-09 09:51:56,986 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/data/4d895220c/ed3f9ee3cdfc4f1ea6b33478df75e1ca/FLAGa9cf4c69a [2018-12-09 09:51:57,389 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:51:57,390 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-09 09:51:57,397 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/data/4d895220c/ed3f9ee3cdfc4f1ea6b33478df75e1ca/FLAGa9cf4c69a [2018-12-09 09:51:57,405 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/data/4d895220c/ed3f9ee3cdfc4f1ea6b33478df75e1ca [2018-12-09 09:51:57,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:51:57,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:51:57,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:51:57,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:51:57,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:51:57,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57, skipping insertion in model container [2018-12-09 09:51:57,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:51:57,437 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:51:57,588 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:51:57,629 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:51:57,674 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:51:57,689 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:51:57,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57 WrapperNode [2018-12-09 09:51:57,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:51:57,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:51:57,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:51:57,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:51:57,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:51:57,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:51:57,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:51:57,711 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:51:57,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... [2018-12-09 09:51:57,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:51:57,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:51:57,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:51:57,734 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:51:57,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:51:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:51:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:51:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:51:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:51:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 09:51:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 09:51:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 09:51:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 09:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:51:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:51:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 09:51:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 09:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:51:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:51:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 09:51:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 09:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 09:51:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 09:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 09:51:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 09:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 09:51:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 09:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:51:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:51:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:51:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:51:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:51:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:51:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:51:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:51:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:51:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 09:51:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 09:51:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:51:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:51:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:51:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:51:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:51:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:51:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:51:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:51:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:51:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:51:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 09:51:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 09:51:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:51:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:51:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:51:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:51:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:51:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:51:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:51:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:51:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:51:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:51:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:51:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 09:51:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 09:51:58,083 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:51:58,084 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:51:58,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:51:58 BoogieIcfgContainer [2018-12-09 09:51:58,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:51:58,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:51:58,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:51:58,088 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:51:58,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:51:57" (1/3) ... [2018-12-09 09:51:58,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fc9e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:51:58, skipping insertion in model container [2018-12-09 09:51:58,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:51:57" (2/3) ... [2018-12-09 09:51:58,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fc9e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:51:58, skipping insertion in model container [2018-12-09 09:51:58,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:51:58" (3/3) ... [2018-12-09 09:51:58,090 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-09 09:51:58,098 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:51:58,104 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:51:58,117 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:51:58,141 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:51:58,142 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:51:58,142 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:51:58,142 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:51:58,142 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:51:58,142 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:51:58,142 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:51:58,142 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:51:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-09 09:51:58,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 09:51:58,162 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:51:58,163 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:51:58,164 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:51:58,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:51:58,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1147007446, now seen corresponding path program 1 times [2018-12-09 09:51:58,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:51:58,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:58,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:51:58,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:58,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:51:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:51:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:51:58,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:51:58,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:51:58,329 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:51:58,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:51:58,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:51:58,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:51:58,341 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-09 09:51:58,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:51:58,365 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2018-12-09 09:51:58,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:51:58,365 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 09:51:58,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:51:58,373 INFO L225 Difference]: With dead ends: 300 [2018-12-09 09:51:58,373 INFO L226 Difference]: Without dead ends: 150 [2018-12-09 09:51:58,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:51:58,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-09 09:51:58,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-09 09:51:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-09 09:51:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-12-09 09:51:58,407 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2018-12-09 09:51:58,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:51:58,408 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-12-09 09:51:58,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:51:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-12-09 09:51:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 09:51:58,410 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:51:58,410 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:51:58,410 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:51:58,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:51:58,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1325406956, now seen corresponding path program 1 times [2018-12-09 09:51:58,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:51:58,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:58,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:51:58,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:58,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:51:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:51:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:51:58,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:51:58,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:51:58,460 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:51:58,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:51:58,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:51:58,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:51:58,461 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2018-12-09 09:51:58,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:51:58,474 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-12-09 09:51:58,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:51:58,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 09:51:58,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:51:58,476 INFO L225 Difference]: With dead ends: 239 [2018-12-09 09:51:58,476 INFO L226 Difference]: Without dead ends: 141 [2018-12-09 09:51:58,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:51:58,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-09 09:51:58,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-09 09:51:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-09 09:51:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2018-12-09 09:51:58,485 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2018-12-09 09:51:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:51:58,485 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2018-12-09 09:51:58,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:51:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2018-12-09 09:51:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:51:58,486 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:51:58,486 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:51:58,486 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:51:58,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:51:58,487 INFO L82 PathProgramCache]: Analyzing trace with hash -534330577, now seen corresponding path program 1 times [2018-12-09 09:51:58,487 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:51:58,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:58,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:51:58,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:58,487 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:51:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:51:58,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:51:58,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:51:58,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:51:58,563 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:51:58,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:51:58,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:51:58,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:51:58,564 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2018-12-09 09:51:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:51:58,824 INFO L93 Difference]: Finished difference Result 425 states and 512 transitions. [2018-12-09 09:51:58,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:51:58,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 09:51:58,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:51:58,827 INFO L225 Difference]: With dead ends: 425 [2018-12-09 09:51:58,827 INFO L226 Difference]: Without dead ends: 308 [2018-12-09 09:51:58,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:51:58,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-12-09 09:51:58,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 296. [2018-12-09 09:51:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-12-09 09:51:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 356 transitions. [2018-12-09 09:51:58,859 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 356 transitions. Word has length 52 [2018-12-09 09:51:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:51:58,859 INFO L480 AbstractCegarLoop]: Abstraction has 296 states and 356 transitions. [2018-12-09 09:51:58,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:51:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 356 transitions. [2018-12-09 09:51:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 09:51:58,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:51:58,861 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:51:58,862 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:51:58,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:51:58,862 INFO L82 PathProgramCache]: Analyzing trace with hash -408331355, now seen corresponding path program 1 times [2018-12-09 09:51:58,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:51:58,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:58,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:51:58,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:58,863 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:51:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:51:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:51:58,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:51:58,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:51:58,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:51:58,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:51:58,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:51:58,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:51:58,935 INFO L87 Difference]: Start difference. First operand 296 states and 356 transitions. Second operand 6 states. [2018-12-09 09:51:59,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:51:59,076 INFO L93 Difference]: Finished difference Result 825 states and 1016 transitions. [2018-12-09 09:51:59,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:51:59,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 09:51:59,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:51:59,080 INFO L225 Difference]: With dead ends: 825 [2018-12-09 09:51:59,080 INFO L226 Difference]: Without dead ends: 553 [2018-12-09 09:51:59,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:51:59,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-12-09 09:51:59,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-12-09 09:51:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-12-09 09:51:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 662 transitions. [2018-12-09 09:51:59,114 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 662 transitions. Word has length 57 [2018-12-09 09:51:59,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:51:59,114 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 662 transitions. [2018-12-09 09:51:59,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:51:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 662 transitions. [2018-12-09 09:51:59,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 09:51:59,116 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:51:59,116 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:51:59,116 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:51:59,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:51:59,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1423719401, now seen corresponding path program 1 times [2018-12-09 09:51:59,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:51:59,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:59,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:51:59,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:59,117 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:51:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:51:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:51:59,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:51:59,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:51:59,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:51:59,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:51:59,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:51:59,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:51:59,193 INFO L87 Difference]: Start difference. First operand 547 states and 662 transitions. Second operand 7 states. [2018-12-09 09:51:59,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:51:59,550 INFO L93 Difference]: Finished difference Result 1406 states and 1819 transitions. [2018-12-09 09:51:59,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:51:59,551 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 09:51:59,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:51:59,555 INFO L225 Difference]: With dead ends: 1406 [2018-12-09 09:51:59,555 INFO L226 Difference]: Without dead ends: 883 [2018-12-09 09:51:59,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:51:59,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2018-12-09 09:51:59,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 785. [2018-12-09 09:51:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-12-09 09:51:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 947 transitions. [2018-12-09 09:51:59,599 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 947 transitions. Word has length 61 [2018-12-09 09:51:59,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:51:59,600 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 947 transitions. [2018-12-09 09:51:59,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:51:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 947 transitions. [2018-12-09 09:51:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 09:51:59,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:51:59,601 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] [2018-12-09 09:51:59,601 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:51:59,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:51:59,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1372644600, now seen corresponding path program 1 times [2018-12-09 09:51:59,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:51:59,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:59,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:51:59,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:59,602 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:51:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:51:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:51:59,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:51:59,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:51:59,650 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:51:59,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:51:59,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:51:59,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:51:59,651 INFO L87 Difference]: Start difference. First operand 785 states and 947 transitions. Second operand 6 states. [2018-12-09 09:51:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:51:59,703 INFO L93 Difference]: Finished difference Result 1574 states and 1958 transitions. [2018-12-09 09:51:59,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:51:59,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-09 09:51:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:51:59,708 INFO L225 Difference]: With dead ends: 1574 [2018-12-09 09:51:59,708 INFO L226 Difference]: Without dead ends: 813 [2018-12-09 09:51:59,710 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 [2018-12-09 09:51:59,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-12-09 09:51:59,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 805. [2018-12-09 09:51:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-12-09 09:51:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-12-09 09:51:59,752 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 99 [2018-12-09 09:51:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:51:59,752 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-12-09 09:51:59,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:51:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-12-09 09:51:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 09:51:59,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:51:59,754 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] [2018-12-09 09:51:59,754 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:51:59,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:51:59,754 INFO L82 PathProgramCache]: Analyzing trace with hash -479158262, now seen corresponding path program 1 times [2018-12-09 09:51:59,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:51:59,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:59,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:51:59,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:59,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:51:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:51:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:51:59,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:51:59,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:51:59,820 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:51:59,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:51:59,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:51:59,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:51:59,821 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 8 states. [2018-12-09 09:51:59,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:51:59,860 INFO L93 Difference]: Finished difference Result 1614 states and 1998 transitions. [2018-12-09 09:51:59,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:51:59,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-09 09:51:59,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:51:59,864 INFO L225 Difference]: With dead ends: 1614 [2018-12-09 09:51:59,864 INFO L226 Difference]: Without dead ends: 833 [2018-12-09 09:51:59,866 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 [2018-12-09 09:51:59,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-12-09 09:51:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 821. [2018-12-09 09:51:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-12-09 09:51:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 983 transitions. [2018-12-09 09:51:59,903 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 983 transitions. Word has length 99 [2018-12-09 09:51:59,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:51:59,904 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 983 transitions. [2018-12-09 09:51:59,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:51:59,904 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 983 transitions. [2018-12-09 09:51:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 09:51:59,906 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:51:59,906 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] [2018-12-09 09:51:59,906 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:51:59,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:51:59,906 INFO L82 PathProgramCache]: Analyzing trace with hash -486917621, now seen corresponding path program 1 times [2018-12-09 09:51:59,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:51:59,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:59,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:51:59,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:51:59,907 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:51:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:51:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:51:59,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:51:59,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:51:59,970 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:51:59,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:51:59,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:51:59,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:51:59,971 INFO L87 Difference]: Start difference. First operand 821 states and 983 transitions. Second operand 4 states. [2018-12-09 09:52:00,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:52:00,099 INFO L93 Difference]: Finished difference Result 2603 states and 3266 transitions. [2018-12-09 09:52:00,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:52:00,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-09 09:52:00,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:52:00,103 INFO L225 Difference]: With dead ends: 2603 [2018-12-09 09:52:00,103 INFO L226 Difference]: Without dead ends: 1806 [2018-12-09 09:52:00,105 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 [2018-12-09 09:52:00,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2018-12-09 09:52:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1775. [2018-12-09 09:52:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2018-12-09 09:52:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2179 transitions. [2018-12-09 09:52:00,158 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2179 transitions. Word has length 99 [2018-12-09 09:52:00,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:52:00,159 INFO L480 AbstractCegarLoop]: Abstraction has 1775 states and 2179 transitions. [2018-12-09 09:52:00,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:52:00,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2179 transitions. [2018-12-09 09:52:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 09:52:00,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:52:00,161 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] [2018-12-09 09:52:00,161 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:52:00,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:52:00,161 INFO L82 PathProgramCache]: Analyzing trace with hash 379357745, now seen corresponding path program 1 times [2018-12-09 09:52:00,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:52:00,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:52:00,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:52:00,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:52:00,163 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:52:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 09:52:00,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:52:00,237 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:52:00,238 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-12-09 09:52:00,239 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [114], [120], [128], [129], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [163], [164], [170], [174], [214], [218], [221], [223], [226], [236], [241], [245], [246], [249], [251], [254], [256], [259], [268], [269], [270], [271], [272], [273], [274], [275], [276], [282], [284], [285], [292], [293], [294], [295], [296], [297], [302], [306], [307], [308], [309], [310], [311], [314], [315], [316], [322], [323], [324], [326], [327], [328], [329], [334], [335], [336], [337], [338] [2018-12-09 09:52:00,262 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:52:00,262 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:52:00,516 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:52:00,516 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2601 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2601 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 09:52:00,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:52:00,521 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:52:00,698 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.22% of their original sizes. [2018-12-09 09:52:00,698 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:52:00,859 INFO L418 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-12-09 09:52:00,859 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:52:00,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:52:00,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-12-09 09:52:00,860 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:52:00,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-09 09:52:00,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-09 09:52:00,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-12-09 09:52:00,860 INFO L87 Difference]: Start difference. First operand 1775 states and 2179 transitions. Second operand 21 states. [2018-12-09 09:52:06,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:52:06,150 INFO L93 Difference]: Finished difference Result 3847 states and 4783 transitions. [2018-12-09 09:52:06,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-09 09:52:06,150 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 103 [2018-12-09 09:52:06,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:52:06,158 INFO L225 Difference]: With dead ends: 3847 [2018-12-09 09:52:06,158 INFO L226 Difference]: Without dead ends: 2096 [2018-12-09 09:52:06,163 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 128 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=1903, Unknown=0, NotChecked=0, Total=2162 [2018-12-09 09:52:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2018-12-09 09:52:06,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2077. [2018-12-09 09:52:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2077 states. [2018-12-09 09:52:06,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 2463 transitions. [2018-12-09 09:52:06,244 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 2463 transitions. Word has length 103 [2018-12-09 09:52:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:52:06,245 INFO L480 AbstractCegarLoop]: Abstraction has 2077 states and 2463 transitions. [2018-12-09 09:52:06,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-09 09:52:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2463 transitions. [2018-12-09 09:52:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 09:52:06,248 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:52:06,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:52:06,248 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:52:06,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:52:06,248 INFO L82 PathProgramCache]: Analyzing trace with hash 788815529, now seen corresponding path program 1 times [2018-12-09 09:52:06,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:52:06,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:52:06,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:52:06,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:52:06,249 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:52:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 09:52:06,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:52:06,335 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:52:06,335 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-09 09:52:06,335 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [120], [128], [129], [130], [131], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [163], [164], [167], [170], [174], [180], [209], [213], [214], [218], [221], [223], [226], [233], [236], [241], [245], [246], [249], [251], [254], [256], [259], [265], [267], [268], [269], [270], [271], [272], [273], [274], [275], [276], [280], [281], [282], [284], [285], [286], [287], [290], [291], [292], [293], [294], [295], [296], [297], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [322], [323], [324], [326], [327], [328], [329], [332], [333], [334], [335], [336], [337], [338] [2018-12-09 09:52:06,337 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:52:06,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:52:07,661 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:52:07,662 INFO L272 AbstractInterpreter]: Visited 133 different actions 1037 times. Merged at 21 different actions 90 times. Never widened. Performed 39007 root evaluator evaluations with a maximum evaluation depth of 5. Performed 39007 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 5 different actions. Largest state had 133 variables. [2018-12-09 09:52:07,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:52:07,664 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:52:07,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:52:07,664 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/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 [2018-12-09 09:52:07,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:52:07,673 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:52:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:07,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:52:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:52:07,878 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:52:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 09:52:08,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:52:08,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-09 09:52:08,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:52:08,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:52:08,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:52:08,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-09 09:52:08,138 INFO L87 Difference]: Start difference. First operand 2077 states and 2463 transitions. Second operand 9 states. [2018-12-09 09:52:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:52:08,967 INFO L93 Difference]: Finished difference Result 5299 states and 7163 transitions. [2018-12-09 09:52:08,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 09:52:08,969 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-09 09:52:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:52:08,985 INFO L225 Difference]: With dead ends: 5299 [2018-12-09 09:52:08,985 INFO L226 Difference]: Without dead ends: 3894 [2018-12-09 09:52:08,990 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-09 09:52:08,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2018-12-09 09:52:09,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 3149. [2018-12-09 09:52:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3149 states. [2018-12-09 09:52:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 3847 transitions. [2018-12-09 09:52:09,110 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 3847 transitions. Word has length 157 [2018-12-09 09:52:09,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:52:09,111 INFO L480 AbstractCegarLoop]: Abstraction has 3149 states and 3847 transitions. [2018-12-09 09:52:09,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:52:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3847 transitions. [2018-12-09 09:52:09,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 09:52:09,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:52:09,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:52:09,114 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:52:09,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:52:09,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1063575143, now seen corresponding path program 1 times [2018-12-09 09:52:09,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:52:09,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:52:09,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:52:09,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:52:09,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:52:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 09:52:09,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:52:09,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:52:09,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:52:09,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:52:09,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:52:09,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:52:09,191 INFO L87 Difference]: Start difference. First operand 3149 states and 3847 transitions. Second operand 9 states. [2018-12-09 09:52:09,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:52:09,261 INFO L93 Difference]: Finished difference Result 4129 states and 5029 transitions. [2018-12-09 09:52:09,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:52:09,261 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-09 09:52:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:52:09,262 INFO L225 Difference]: With dead ends: 4129 [2018-12-09 09:52:09,262 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:52:09,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:52:09,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:52:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:52:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:52:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:52:09,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-09 09:52:09,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:52:09,267 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:52:09,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:52:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:52:09,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:52:09,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:52:09,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:09,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:52:10,462 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2018-12-09 09:52:10,689 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 44 [2018-12-09 09:52:11,110 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2018-12-09 09:52:11,305 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2018-12-09 09:52:12,357 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-12-09 09:52:12,569 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 985 991) the Hoare annotation is: true [2018-12-09 09:52:12,569 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 985 991) no Hoare annotation was computed. [2018-12-09 09:52:12,569 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 992 1000) no Hoare annotation was computed. [2018-12-09 09:52:12,569 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 992 1000) the Hoare annotation is: true [2018-12-09 09:52:12,569 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 992 1000) no Hoare annotation was computed. [2018-12-09 09:52:12,569 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-09 09:52:12,569 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-09 09:52:12,570 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,570 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,570 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,570 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,570 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-09 09:52:12,570 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-09 09:52:12,570 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,570 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,570 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-09 09:52:12,570 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 943 957) no Hoare annotation was computed. [2018-12-09 09:52:12,570 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 943 957) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse7 (or .cse6 .cse4))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse6 (< ~waterLevel~0 1)) (or (or .cse7 .cse2) .cse5) (or .cse5 (or .cse7 (not (= ~waterLevel~0 1))))))) [2018-12-09 09:52:12,570 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< ~waterLevel~0 2))) (and (or (or .cse0 .cse1) (< ~waterLevel~0 1)) (or (or .cse2 .cse3 .cse4) .cse5) (or .cse5 (or .cse3 .cse4 .cse1)) (or .cse2 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse4))) [2018-12-09 09:52:12,570 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 943 957) no Hoare annotation was computed. [2018-12-09 09:52:12,570 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-12-09 09:52:12,570 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 860 868) no Hoare annotation was computed. [2018-12-09 09:52:12,570 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 860 868) the Hoare annotation is: true [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 860 868) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 924 942) the Hoare annotation is: true [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 924 942) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L451 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point L931-1(line 931) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 924 942) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 978 984) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 978 984) the Hoare annotation is: true [2018-12-09 09:52:12,571 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 849 859) the Hoare annotation is: true [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 849 859) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 849 859) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L451 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2018-12-09 09:52:12,571 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~7 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 (not (= ~waterLevel~0 1)) .cse5) (or .cse0 .cse2 .cse3 .cse5) (or .cse4 .cse2 (< ~waterLevel~0 2) .cse5) (or .cse1 .cse4 .cse2 .cse3))) [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse2 .cse5))) [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-09 09:52:12,572 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 229 242) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 229 242) the Hoare annotation is: true [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 229 242) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 756 762) no Hoare annotation was computed. [2018-12-09 09:52:12,572 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 756 762) the Hoare annotation is: true [2018-12-09 09:52:12,572 INFO L444 ceAbstractionStarter]: At program point L706-1(lines 698 713) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse6 .cse3))) [2018-12-09 09:52:12,572 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 658 725) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse3 .cse4 .cse2))) [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 658 725) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L444 ceAbstractionStarter]: At program point L715(lines 668 717) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:52:12,573 INFO L444 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L444 ceAbstractionStarter]: At program point L718(lines 667 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 09:52:12,573 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3))) [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 658 725) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-12-09 09:52:12,573 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 815 822) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 815 822) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 815 822) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 243 251) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 243 251) the Hoare annotation is: true [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 243 251) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point L829-1(line 829) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 824 840) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 824 840) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:52:12,574 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 824 840) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 905 923) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L451 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 905 923) the Hoare annotation is: true [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 905 923) no Hoare annotation was computed. [2018-12-09 09:52:12,574 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1)) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point L736(lines 735 754) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 732 755) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (and .cse0 .cse11)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse4 .cse2 .cse3) .cse5) (or .cse6 .cse7 .cse1 .cse8) (or .cse1 .cse9 .cse3 .cse10) (or (or .cse7 .cse4 .cse2) .cse5) (or .cse1 .cse11 .cse12 .cse3) (or .cse7 .cse1 .cse5 .cse12) (or .cse7 .cse1 .cse10 .cse9) (or .cse1 .cse6 (not (= ~systemActive~0 1)) .cse3 .cse8)))) [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 732 755) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not .cse2)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= ~waterLevel~0 2)) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (and .cse4 .cse5) (or .cse6 .cse3 .cse7)) (or (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse6 .cse8 .cse9) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5 .cse10)) (or .cse6 .cse11 (not (= ~systemActive~0 1)) .cse7 .cse12) (or (and .cse9 .cse4 .cse10) .cse6 .cse8 .cse7) (or .cse1 .cse6 .cse11 .cse12)))) [2018-12-09 09:52:12,575 INFO L444 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or (and (not .cse0) .cse1) (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or (= ~waterLevel~0 2) .cse6 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse7 (or .cse6 .cse0 .cse4)) (or (or .cse6 .cse3 .cse4) .cse1) (or .cse6 .cse3 .cse2 (< |old(~waterLevel~0)| 1)) (or .cse3 .cse8 .cse5 (and .cse9 .cse2)) (or (or .cse0 .cse4 .cse5) (and (not (= ~waterLevel~0 1)) .cse10) .cse7) (or .cse6 .cse3 .cse9 .cse8)))) [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 732 755) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse4) (and .cse5 .cse6)) (or .cse1 .cse2 .cse7) (or (or .cse3 .cse4 .cse7) (and .cse6 .cse5)))) [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 09:52:12,575 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 09:52:12,576 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 09:52:12,576 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse0))) [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 09:52:12,576 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 764 788) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2018-12-09 09:52:12,576 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 764 788) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L444 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point L783-1(lines 764 788) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 1) (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse3 .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-12-09 09:52:12,577 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (< ~waterLevel~0 2)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse0 .cse1 .cse6 .cse3)) (or (or .cse4 .cse0 .cse1 .cse6) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse5)))) [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L444 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 958 965) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 958 965) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 958 965) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1) (or (< |old(~waterLevel~0)| 1) .cse4 (or .cse1 .cse6)) (or .cse1 .cse3 .cse6 .cse2) (or .cse4 .cse5 (or (= ~systemActive~0 0) .cse6)) (or .cse0 .cse7 .cse1 .cse8) (or .cse7 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse8))) [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 647 654) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 647 654) the Hoare annotation is: true [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 647 654) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2018-12-09 09:52:12,577 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 255 279) the Hoare annotation is: true [2018-12-09 09:52:12,578 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 255 279) no Hoare annotation was computed. [2018-12-09 09:52:12,578 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0))) [2018-12-09 09:52:12,578 INFO L448 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2018-12-09 09:52:12,578 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0))) [2018-12-09 09:52:12,578 INFO L448 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2018-12-09 09:52:12,578 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2018-12-09 09:52:12,578 INFO L448 ceAbstractionStarter]: For program point L263-1(lines 255 279) no Hoare annotation was computed. [2018-12-09 09:52:12,578 INFO L451 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-12-09 09:52:12,578 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-12-09 09:52:12,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:52:12 BoogieIcfgContainer [2018-12-09 09:52:12,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:52:12,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:52:12,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:52:12,586 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:52:12,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:51:58" (3/4) ... [2018-12-09 09:52:12,588 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 09:52:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:52:12,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 09:52:12,598 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 09:52:12,598 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 09:52:12,598 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 09:52:12,598 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:52:12,598 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:52:12,599 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:52:12,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:52:12,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 09:52:12,638 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd61a20d-75dc-4444-9a19-2f38d3685aff/bin-2019/utaipan/witness.graphml [2018-12-09 09:52:12,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:52:12,639 INFO L168 Benchmark]: Toolchain (without parser) took 15231.57 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 856.2 MB). Free memory was 945.9 MB in the beginning and 1.5 GB in the end (delta: -545.1 MB). Peak memory consumption was 311.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:12,639 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:52:12,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:12,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:52:12,640 INFO L168 Benchmark]: Boogie Preprocessor took 23.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:12,640 INFO L168 Benchmark]: RCFGBuilder took 350.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:12,640 INFO L168 Benchmark]: TraceAbstraction took 14500.49 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 753.4 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -472.2 MB). Peak memory consumption was 831.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:12,640 INFO L168 Benchmark]: Witness Printer took 52.90 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:12,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 350.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14500.49 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 753.4 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -472.2 MB). Peak memory consumption was 831.8 MB. Max. memory is 11.5 GB. * Witness Printer took 52.90 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 14.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 7.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2293 SDtfs, 1920 SDslu, 9345 SDs, 0 SdLazy, 4022 SolverSat, 679 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 549 GetRequests, 427 SyntacticMatches, 3 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3149occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.996780458670062 AbsIntWeakeningRatio, 1.0686274509803921 AbsIntAvgWeakeningVarsNumRemoved, 83.32352941176471 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 931 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 4422 PreInvPairs, 4661 NumberOfFragments, 2482 HoareAnnotationTreeSize, 4422 FomulaSimplifications, 14211 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 25471 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1134 NumberOfCodeBlocks, 1134 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1278 ConstructedInterpolants, 0 QuantifiedInterpolants, 247354 SizeOfPredicates, 7 NumberOfNonLiveVariables, 885 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 142/152 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...