./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0abcca86e101e0402ce9c7a98a1409292a39ee1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:45:50,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:50,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:50,667 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:50,667 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:50,668 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:50,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:50,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:50,672 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:50,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:50,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:50,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:50,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:50,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:50,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:50,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:50,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:50,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:50,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:50,684 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:50,685 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:50,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:50,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:50,689 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:50,690 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:50,691 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:50,692 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:50,693 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:50,693 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:50,695 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:50,695 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:50,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:50,696 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:50,696 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:50,697 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:50,698 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:50,698 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:50,715 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:50,715 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:50,716 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:50,716 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:50,717 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:50,717 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:50,717 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:50,717 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:50,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:50,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:50,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:50,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:50,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:50,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:50,719 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:50,719 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:50,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:50,719 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:50,720 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:50,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:50,720 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:50,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:50,720 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:50,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:50,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:50,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:50,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:50,721 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:50,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:50,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:50,722 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2018-11-28 18:45:50,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:50,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:50,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:50,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:50,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:50,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:50,860 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8786b0322/6215605ce5a243228107beee6330a083/FLAGfe2690b15 [2018-11-28 18:45:51,392 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:51,393 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:51,413 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8786b0322/6215605ce5a243228107beee6330a083/FLAGfe2690b15 [2018-11-28 18:45:51,650 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8786b0322/6215605ce5a243228107beee6330a083 [2018-11-28 18:45:51,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:51,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:51,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:51,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:51,661 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:51,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc0696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51, skipping insertion in model container [2018-11-28 18:45:51,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:51,724 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:52,097 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:52,112 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:52,192 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:52,317 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:52,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52 WrapperNode [2018-11-28 18:45:52,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:52,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:52,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:52,321 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:52,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:52,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:52,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:52,376 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:52,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... [2018-11-28 18:45:52,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:52,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:52,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:52,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:52,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:52,502 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:52,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:45:52,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:45:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:52,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:52,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:52,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:45:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:45:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:45:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:45:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:45:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:45:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:45:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:45:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:53,730 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:53,730 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:53,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:53 BoogieIcfgContainer [2018-11-28 18:45:53,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:53,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:53,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:53,736 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:53,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:51" (1/3) ... [2018-11-28 18:45:53,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcf2051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:53, skipping insertion in model container [2018-11-28 18:45:53,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:52" (2/3) ... [2018-11-28 18:45:53,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcf2051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:53, skipping insertion in model container [2018-11-28 18:45:53,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:53" (3/3) ... [2018-11-28 18:45:53,741 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:53,750 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:53,758 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:53,776 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:53,815 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:53,816 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:53,816 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:53,816 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:53,817 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:53,817 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:53,817 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:53,818 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:53,818 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-28 18:45:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:53,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:53,856 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] [2018-11-28 18:45:53,860 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:53,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:53,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1271875382, now seen corresponding path program 1 times [2018-11-28 18:45:53,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:53,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:53,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:53,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:54,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:54,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:54,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:54,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:54,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:54,244 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-28 18:45:54,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:54,314 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2018-11-28 18:45:54,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:54,316 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:45:54,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:54,339 INFO L225 Difference]: With dead ends: 300 [2018-11-28 18:45:54,339 INFO L226 Difference]: Without dead ends: 150 [2018-11-28 18:45:54,345 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 [2018-11-28 18:45:54,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-28 18:45:54,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-28 18:45:54,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-28 18:45:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2018-11-28 18:45:54,451 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 52 [2018-11-28 18:45:54,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:54,452 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2018-11-28 18:45:54,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2018-11-28 18:45:54,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:45:54,465 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:54,466 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] [2018-11-28 18:45:54,466 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:54,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:54,468 INFO L82 PathProgramCache]: Analyzing trace with hash -34531406, now seen corresponding path program 1 times [2018-11-28 18:45:54,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:54,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:54,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:54,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:54,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:54,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:54,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:54,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:54,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:54,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:54,698 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand 3 states. [2018-11-28 18:45:54,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:54,757 INFO L93 Difference]: Finished difference Result 245 states and 285 transitions. [2018-11-28 18:45:54,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:54,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:45:54,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:54,761 INFO L225 Difference]: With dead ends: 245 [2018-11-28 18:45:54,761 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 18:45:54,765 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 [2018-11-28 18:45:54,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 18:45:54,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 18:45:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 18:45:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-11-28 18:45:54,797 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2018-11-28 18:45:54,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:54,798 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-11-28 18:45:54,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-11-28 18:45:54,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 18:45:54,805 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:54,806 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:54,806 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:54,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:54,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1148135132, now seen corresponding path program 1 times [2018-11-28 18:45:54,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:54,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:54,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:54,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:54,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:55,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:55,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:55,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:55,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:55,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:55,032 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-11-28 18:45:55,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:55,880 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2018-11-28 18:45:55,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:55,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 18:45:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:55,884 INFO L225 Difference]: With dead ends: 258 [2018-11-28 18:45:55,884 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 18:45:55,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:55,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 18:45:55,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 18:45:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 18:45:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2018-11-28 18:45:55,901 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2018-11-28 18:45:55,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:55,901 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2018-11-28 18:45:55,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2018-11-28 18:45:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-28 18:45:55,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:55,905 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:55,905 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:55,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:55,906 INFO L82 PathProgramCache]: Analyzing trace with hash -139469963, now seen corresponding path program 1 times [2018-11-28 18:45:55,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:55,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:55,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:55,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:56,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:56,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:56,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:56,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:56,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:56,253 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2018-11-28 18:45:58,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:58,091 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2018-11-28 18:45:58,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:58,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-28 18:45:58,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:58,097 INFO L225 Difference]: With dead ends: 371 [2018-11-28 18:45:58,097 INFO L226 Difference]: Without dead ends: 254 [2018-11-28 18:45:58,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-28 18:45:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2018-11-28 18:45:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-11-28 18:45:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2018-11-28 18:45:58,130 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 71 [2018-11-28 18:45:58,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:58,130 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2018-11-28 18:45:58,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2018-11-28 18:45:58,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-28 18:45:58,133 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:58,133 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:58,134 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:58,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:58,134 INFO L82 PathProgramCache]: Analyzing trace with hash -2129755687, now seen corresponding path program 1 times [2018-11-28 18:45:58,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:58,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:58,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:58,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:58,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:58,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:58,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:58,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:58,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:58,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:58,277 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 6 states. [2018-11-28 18:45:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:58,692 INFO L93 Difference]: Finished difference Result 580 states and 691 transitions. [2018-11-28 18:45:58,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:58,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-28 18:45:58,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:58,698 INFO L225 Difference]: With dead ends: 580 [2018-11-28 18:45:58,698 INFO L226 Difference]: Without dead ends: 369 [2018-11-28 18:45:58,699 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:58,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-28 18:45:58,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-11-28 18:45:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-11-28 18:45:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 421 transitions. [2018-11-28 18:45:58,757 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 421 transitions. Word has length 85 [2018-11-28 18:45:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:58,758 INFO L480 AbstractCegarLoop]: Abstraction has 365 states and 421 transitions. [2018-11-28 18:45:58,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 421 transitions. [2018-11-28 18:45:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:45:58,761 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:58,761 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:58,763 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:58,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:58,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1166702943, now seen corresponding path program 1 times [2018-11-28 18:45:58,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:58,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:58,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:58,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:58,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:59,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:59,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:59,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:59,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:59,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:59,092 INFO L87 Difference]: Start difference. First operand 365 states and 421 transitions. Second operand 6 states. [2018-11-28 18:45:59,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:59,488 INFO L93 Difference]: Finished difference Result 782 states and 936 transitions. [2018-11-28 18:45:59,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:59,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 18:45:59,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:59,500 INFO L225 Difference]: With dead ends: 782 [2018-11-28 18:45:59,500 INFO L226 Difference]: Without dead ends: 571 [2018-11-28 18:45:59,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:59,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-11-28 18:45:59,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 553. [2018-11-28 18:45:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-11-28 18:45:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 651 transitions. [2018-11-28 18:45:59,587 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 651 transitions. Word has length 89 [2018-11-28 18:45:59,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:59,589 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 651 transitions. [2018-11-28 18:45:59,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 651 transitions. [2018-11-28 18:45:59,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:45:59,592 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:59,592 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:59,592 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:59,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:59,592 INFO L82 PathProgramCache]: Analyzing trace with hash 244019360, now seen corresponding path program 1 times [2018-11-28 18:45:59,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:59,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:59,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:59,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:59,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:59,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:59,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:59,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:59,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:59,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:59,824 INFO L87 Difference]: Start difference. First operand 553 states and 651 transitions. Second operand 5 states. [2018-11-28 18:45:59,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:59,904 INFO L93 Difference]: Finished difference Result 962 states and 1154 transitions. [2018-11-28 18:45:59,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:45:59,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-28 18:45:59,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:59,913 INFO L225 Difference]: With dead ends: 962 [2018-11-28 18:45:59,913 INFO L226 Difference]: Without dead ends: 563 [2018-11-28 18:45:59,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:59,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-11-28 18:45:59,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2018-11-28 18:45:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-11-28 18:45:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 654 transitions. [2018-11-28 18:45:59,956 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 654 transitions. Word has length 89 [2018-11-28 18:45:59,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:59,957 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 654 transitions. [2018-11-28 18:45:59,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 654 transitions. [2018-11-28 18:45:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:45:59,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:59,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:59,960 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:59,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:59,961 INFO L82 PathProgramCache]: Analyzing trace with hash -599986142, now seen corresponding path program 1 times [2018-11-28 18:45:59,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:59,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:59,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:59,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:59,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:00,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:00,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:46:00,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:46:00,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:46:00,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:46:00,296 INFO L87 Difference]: Start difference. First operand 557 states and 654 transitions. Second operand 9 states. [2018-11-28 18:46:00,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:00,440 INFO L93 Difference]: Finished difference Result 1107 states and 1326 transitions. [2018-11-28 18:46:00,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:46:00,444 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-28 18:46:00,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:00,448 INFO L225 Difference]: With dead ends: 1107 [2018-11-28 18:46:00,448 INFO L226 Difference]: Without dead ends: 574 [2018-11-28 18:46:00,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-11-28 18:46:00,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-11-28 18:46:00,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-11-28 18:46:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 661 transitions. [2018-11-28 18:46:00,490 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 661 transitions. Word has length 89 [2018-11-28 18:46:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:00,491 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 661 transitions. [2018-11-28 18:46:00,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:46:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 661 transitions. [2018-11-28 18:46:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-28 18:46:00,493 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:00,493 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] [2018-11-28 18:46:00,494 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:00,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:00,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1008052965, now seen corresponding path program 1 times [2018-11-28 18:46:00,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:00,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:00,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:00,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:00,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:46:01,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:01,315 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:01,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:01,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:01,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:46:01,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 18:46:01,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:46:01,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:46:01,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:46:01,785 INFO L87 Difference]: Start difference. First operand 564 states and 661 transitions. Second operand 14 states. [2018-11-28 18:46:05,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:05,803 INFO L93 Difference]: Finished difference Result 1529 states and 1851 transitions. [2018-11-28 18:46:05,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 18:46:05,808 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-11-28 18:46:05,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:05,816 INFO L225 Difference]: With dead ends: 1529 [2018-11-28 18:46:05,816 INFO L226 Difference]: Without dead ends: 989 [2018-11-28 18:46:05,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:05,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2018-11-28 18:46:05,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 986. [2018-11-28 18:46:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2018-11-28 18:46:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1146 transitions. [2018-11-28 18:46:05,909 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1146 transitions. Word has length 101 [2018-11-28 18:46:05,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:05,910 INFO L480 AbstractCegarLoop]: Abstraction has 986 states and 1146 transitions. [2018-11-28 18:46:05,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:46:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1146 transitions. [2018-11-28 18:46:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-28 18:46:05,915 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:05,915 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:05,916 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:05,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:05,916 INFO L82 PathProgramCache]: Analyzing trace with hash 968557213, now seen corresponding path program 1 times [2018-11-28 18:46:05,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:05,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:05,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:05,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:05,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:46:06,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:06,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:06,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:06,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:06,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:06,231 INFO L87 Difference]: Start difference. First operand 986 states and 1146 transitions. Second operand 10 states. [2018-11-28 18:46:06,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:06,867 INFO L93 Difference]: Finished difference Result 1958 states and 2279 transitions. [2018-11-28 18:46:06,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:46:06,867 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-28 18:46:06,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:06,874 INFO L225 Difference]: With dead ends: 1958 [2018-11-28 18:46:06,874 INFO L226 Difference]: Without dead ends: 996 [2018-11-28 18:46:06,877 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:46:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2018-11-28 18:46:06,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 948. [2018-11-28 18:46:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-11-28 18:46:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1071 transitions. [2018-11-28 18:46:06,934 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1071 transitions. Word has length 105 [2018-11-28 18:46:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:06,934 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1071 transitions. [2018-11-28 18:46:06,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1071 transitions. [2018-11-28 18:46:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-28 18:46:06,937 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:06,937 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:06,938 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:06,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:06,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1820463103, now seen corresponding path program 1 times [2018-11-28 18:46:06,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:06,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:06,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:06,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:06,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:46:07,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:07,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:07,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:07,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:07,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:07,752 INFO L87 Difference]: Start difference. First operand 948 states and 1071 transitions. Second operand 10 states. [2018-11-28 18:46:08,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:08,254 INFO L93 Difference]: Finished difference Result 1846 states and 2107 transitions. [2018-11-28 18:46:08,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:46:08,255 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-28 18:46:08,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:08,260 INFO L225 Difference]: With dead ends: 1846 [2018-11-28 18:46:08,260 INFO L226 Difference]: Without dead ends: 922 [2018-11-28 18:46:08,264 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:46:08,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2018-11-28 18:46:08,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 906. [2018-11-28 18:46:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-11-28 18:46:08,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1021 transitions. [2018-11-28 18:46:08,318 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1021 transitions. Word has length 105 [2018-11-28 18:46:08,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:08,318 INFO L480 AbstractCegarLoop]: Abstraction has 906 states and 1021 transitions. [2018-11-28 18:46:08,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:08,320 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1021 transitions. [2018-11-28 18:46:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 18:46:08,325 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:08,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:08,325 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:08,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:08,327 INFO L82 PathProgramCache]: Analyzing trace with hash 740971622, now seen corresponding path program 1 times [2018-11-28 18:46:08,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:08,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:08,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:08,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:08,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:46:08,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:08,689 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:08,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:08,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:09,448 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:46:09,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:46:09,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 18:46:09,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:46:09,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:46:09,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:46:09,483 INFO L87 Difference]: Start difference. First operand 906 states and 1021 transitions. Second operand 12 states. [2018-11-28 18:46:12,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:12,228 INFO L93 Difference]: Finished difference Result 2683 states and 3244 transitions. [2018-11-28 18:46:12,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 18:46:12,229 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 155 [2018-11-28 18:46:12,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:12,240 INFO L225 Difference]: With dead ends: 2683 [2018-11-28 18:46:12,241 INFO L226 Difference]: Without dead ends: 1801 [2018-11-28 18:46:12,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-28 18:46:12,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2018-11-28 18:46:12,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1640. [2018-11-28 18:46:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1640 states. [2018-11-28 18:46:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 1875 transitions. [2018-11-28 18:46:12,350 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 1875 transitions. Word has length 155 [2018-11-28 18:46:12,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:12,351 INFO L480 AbstractCegarLoop]: Abstraction has 1640 states and 1875 transitions. [2018-11-28 18:46:12,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:46:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1875 transitions. [2018-11-28 18:46:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-28 18:46:12,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:12,356 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] [2018-11-28 18:46:12,356 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:12,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:12,357 INFO L82 PathProgramCache]: Analyzing trace with hash -287838878, now seen corresponding path program 1 times [2018-11-28 18:46:12,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:12,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:12,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:12,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:12,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:46:12,578 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:12,578 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:12,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:12,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 18:46:12,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:46:12,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 18:46:12,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:46:12,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:46:12,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:46:12,797 INFO L87 Difference]: Start difference. First operand 1640 states and 1875 transitions. Second operand 11 states. [2018-11-28 18:46:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:12,979 INFO L93 Difference]: Finished difference Result 3042 states and 3520 transitions. [2018-11-28 18:46:12,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:46:12,980 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2018-11-28 18:46:12,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:12,989 INFO L225 Difference]: With dead ends: 3042 [2018-11-28 18:46:12,989 INFO L226 Difference]: Without dead ends: 1426 [2018-11-28 18:46:12,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:46:12,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-11-28 18:46:13,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1426. [2018-11-28 18:46:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1426 states. [2018-11-28 18:46:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1623 transitions. [2018-11-28 18:46:13,079 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1623 transitions. Word has length 151 [2018-11-28 18:46:13,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:13,079 INFO L480 AbstractCegarLoop]: Abstraction has 1426 states and 1623 transitions. [2018-11-28 18:46:13,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:46:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1623 transitions. [2018-11-28 18:46:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 18:46:13,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:13,083 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:13,083 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:13,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash -506950039, now seen corresponding path program 1 times [2018-11-28 18:46:13,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:13,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:13,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:13,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:13,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:13,252 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:46:13,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:13,252 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:13,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:13,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:46:13,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:13,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 18:46:13,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 18:46:13,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 18:46:13,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 18:46:13,723 INFO L87 Difference]: Start difference. First operand 1426 states and 1623 transitions. Second operand 15 states. [2018-11-28 18:46:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:20,753 INFO L93 Difference]: Finished difference Result 3437 states and 4404 transitions. [2018-11-28 18:46:20,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 18:46:20,754 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-11-28 18:46:20,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:20,755 INFO L225 Difference]: With dead ends: 3437 [2018-11-28 18:46:20,755 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:20,764 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 18:46:20,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:20,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:20,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-28 18:46:20,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:20,768 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:20,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 18:46:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:20,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:20,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:20,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,134 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 59 [2018-11-28 18:46:21,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,350 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 40 [2018-11-28 18:46:21,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,042 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 56 [2018-11-28 18:46:22,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,302 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 59 [2018-11-28 18:46:23,731 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 92 DAG size of output: 28 [2018-11-28 18:46:23,999 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 1 [2018-11-28 18:46:24,344 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2018-11-28 18:46:24,692 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2018-11-28 18:46:24,981 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2018-11-28 18:46:26,041 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 110 DAG size of output: 50 [2018-11-28 18:46:26,298 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2018-11-28 18:46:26,523 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2018-11-28 18:46:26,805 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 27 [2018-11-28 18:46:27,014 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2018-11-28 18:46:27,430 WARN L180 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 37 [2018-11-28 18:46:27,656 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 18:46:28,038 WARN L180 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 28 [2018-11-28 18:46:28,426 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 18:46:28,905 WARN L180 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 38 [2018-11-28 18:46:29,183 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-11-28 18:46:29,474 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 28 [2018-11-28 18:46:29,941 WARN L180 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 38 [2018-11-28 18:46:30,211 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2018-11-28 18:46:30,481 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 34 [2018-11-28 18:46:30,710 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 18:46:30,968 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 28 [2018-11-28 18:46:31,279 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2018-11-28 18:46:31,443 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 18:46:32,726 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2018-11-28 18:46:32,846 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 21 [2018-11-28 18:46:32,991 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2018-11-28 18:46:33,297 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2018-11-28 18:46:33,301 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-28 18:46:33,301 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-28 18:46:33,302 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-28 18:46:33,302 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-28 18:46:33,302 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-28 18:46:33,302 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 18:46:33,302 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 18:46:33,302 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:33,302 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:33,302 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:33,303 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:33,303 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 18:46:33,303 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 18:46:33,303 INFO L444 ceAbstractionStarter]: At program point L132(line 132) 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)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:46:33,303 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) 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)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:46:33,304 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 18:46:33,304 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 899 907) no Hoare annotation was computed. [2018-11-28 18:46:33,304 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 899 907) the Hoare annotation is: true [2018-11-28 18:46:33,304 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 899 907) no Hoare annotation was computed. [2018-11-28 18:46:33,304 INFO L448 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2018-11-28 18:46:33,304 INFO L451 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: true [2018-11-28 18:46:33,305 INFO L448 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2018-11-28 18:46:33,305 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 963 981) the Hoare annotation is: true [2018-11-28 18:46:33,305 INFO L448 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2018-11-28 18:46:33,305 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 963 981) no Hoare annotation was computed. [2018-11-28 18:46:33,305 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 963 981) no Hoare annotation was computed. [2018-11-28 18:46:33,305 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-28 18:46:33,305 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-28 18:46:33,305 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:33,306 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 18:46:33,306 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 18:46:33,306 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 888 898) the Hoare annotation is: true [2018-11-28 18:46:33,306 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-28 18:46:33,306 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-28 18:46:33,306 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 888 898) no Hoare annotation was computed. [2018-11-28 18:46:33,306 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 888 898) no Hoare annotation was computed. [2018-11-28 18:46:33,306 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2018-11-28 18:46:33,306 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-11-28 18:46:33,306 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-11-28 18:46:33,307 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-28 18:46:33,307 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 829 853) no Hoare annotation was computed. [2018-11-28 18:46:33,307 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse4))) [2018-11-28 18:46:33,307 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or .cse7 .cse0 .cse1 .cse2 .cse4) (or .cse7 .cse5 .cse6 .cse2))) [2018-11-28 18:46:33,307 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-11-28 18:46:33,307 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse6 .cse2 .cse3 .cse7))) [2018-11-28 18:46:33,307 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse6 .cse2 .cse3 .cse7))) [2018-11-28 18:46:33,308 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-11-28 18:46:33,308 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse6 .cse2 .cse3 .cse7))) [2018-11-28 18:46:33,308 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-28 18:46:33,308 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 639 652) no Hoare annotation was computed. [2018-11-28 18:46:33,308 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-28 18:46:33,308 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 639 652) the Hoare annotation is: true [2018-11-28 18:46:33,308 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 639 652) no Hoare annotation was computed. [2018-11-28 18:46:33,308 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-11-28 18:46:33,308 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-11-28 18:46:33,309 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:33,309 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 (and .cse0 .cse6 .cse3 .cse4)) (and .cse2 .cse6 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:33,309 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-11-28 18:46:33,309 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-11-28 18:46:33,309 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-11-28 18:46:33,309 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse6 .cse7 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse7 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:33,309 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse6 .cse7 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse7 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:33,309 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-11-28 18:46:33,310 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-11-28 18:46:33,310 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-11-28 18:46:33,310 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:33,310 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-28 18:46:33,310 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 (and .cse0 .cse6 .cse3 .cse4)) (and .cse2 .cse6 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:33,310 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-11-28 18:46:33,310 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 (and .cse0 .cse6 .cse3 .cse4)) (and .cse2 .cse6 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:33,310 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-11-28 18:46:33,311 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-11-28 18:46:33,311 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 854 861) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:46:33,311 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 854 861) no Hoare annotation was computed. [2018-11-28 18:46:33,311 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 854 861) no Hoare annotation was computed. [2018-11-28 18:46:33,311 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 653 661) no Hoare annotation was computed. [2018-11-28 18:46:33,311 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 653 661) the Hoare annotation is: true [2018-11-28 18:46:33,311 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 653 661) no Hoare annotation was computed. [2018-11-28 18:46:33,311 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:33,311 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:46:33,311 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:33,311 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 863 879) no Hoare annotation was computed. [2018-11-28 18:46:33,312 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~8) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 18:46:33,312 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 863 879) no Hoare annotation was computed. [2018-11-28 18:46:33,312 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 863 879) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-11-28 18:46:33,312 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2018-11-28 18:46:33,312 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-11-28 18:46:33,312 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-11-28 18:46:33,312 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-11-28 18:46:33,312 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-11-28 18:46:33,313 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-11-28 18:46:33,313 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-11-28 18:46:33,313 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-11-28 18:46:33,313 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-11-28 18:46:33,313 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-11-28 18:46:33,313 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 630 638) the Hoare annotation is: true [2018-11-28 18:46:33,313 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2018-11-28 18:46:33,313 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2018-11-28 18:46:33,313 INFO L448 ceAbstractionStarter]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2018-11-28 18:46:33,315 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (or (not (= 1 ~pumpRunning~0)) .cse6))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse7) (or .cse5 .cse1 .cse6 .cse3 .cse0) (or .cse4 .cse7 .cse1 .cse2)))) [2018-11-28 18:46:33,315 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2018-11-28 18:46:33,315 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2018-11-28 18:46:33,315 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2018-11-28 18:46:33,315 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2018-11-28 18:46:33,317 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse17 (= ~methaneLevelCritical~0 0)) (.cse18 (not (= 1 |old(~pumpRunning~0)|))) (.cse11 (not (= ~systemActive~0 1)))) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse8 (or .cse17 .cse18 .cse11)) (.cse3 (and .cse16 (< ~waterLevel~0 2) .cse15)) (.cse12 (<= 1 ~waterLevel~0)) (.cse13 (< |old(~waterLevel~0)| 2)) (.cse1 (or .cse18 .cse11)) (.cse2 (not .cse17)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse9 (and .cse16 .cse14 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse5 .cse10 .cse11 .cse2) (or .cse4 .cse12 .cse0 .cse13 .cse8) (or .cse10 .cse0 .cse11 .cse2 (and (<= ~waterLevel~0 2) .cse14 .cse15)) (or .cse6 .cse5 .cse7 .cse1 .cse2) (or .cse4 .cse0 .cse8 .cse3) (or .cse12 .cse0 .cse13 .cse1 .cse2) (or .cse4 .cse10 .cse0 .cse11 .cse9)))) [2018-11-28 18:46:33,317 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (and .cse9 .cse5 .cse6))) (and (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3 (and (<= ~waterLevel~0 2) .cse5 .cse6)) (or .cse0 .cse4 .cse7 .cse3) (or .cse8 (and .cse9 .cse6 .cse5) .cse4 .cse7) (or .cse8 .cse1 .cse4 .cse2 .cse0)))) [2018-11-28 18:46:33,317 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse18 (= ~methaneLevelCritical~0 0)) (.cse21 (<= ~waterLevel~0 1)) (.cse22 (<= 1 ~waterLevel~0)) (.cse19 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (not (= ~systemActive~0 1))) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse20 (= 0 ~pumpRunning~0))) (let ((.cse1 (and .cse10 .cse20)) (.cse4 (and .cse10 .cse12)) (.cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (< |old(~waterLevel~0)| 1)) (.cse2 (or .cse19 .cse14)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse16 (and .cse21 .cse22 .cse12)) (.cse15 (and .cse20 .cse21 .cse22)) (.cse17 (< |old(~waterLevel~0)| 2)) (.cse6 (or .cse18 .cse19 .cse14)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (< 2 |old(~waterLevel~0)|)) (.cse3 (not .cse18))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse7 .cse8 .cse6) (or .cse7 .cse0 .cse8 .cse2 .cse3) (or .cse5 .cse9 (and .cse10 .cse11 .cse12) .cse13 .cse14) (or .cse15 .cse16 .cse13 .cse17 .cse2 .cse3) (or .cse5 .cse16 .cse15 .cse13 .cse17 .cse6) (or .cse9 (and .cse10 (< ~waterLevel~0 2) .cse11 .cse12) .cse13 .cse14 (and .cse10 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1)) .cse3)))) [2018-11-28 18:46:33,318 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-11-28 18:46:33,318 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse10 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse8 .cse9)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (or .cse10 .cse2 .cse3)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse4 (not .cse10))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse1 .cse3) (or .cse0 .cse5 (< 1 |old(~waterLevel~0)|) .cse7) (or .cse5 .cse1 (and (<= ~waterLevel~0 2) .cse8 .cse9) .cse7) (or .cse6 .cse1 .cse3 .cse4)))) [2018-11-28 18:46:33,318 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-11-28 18:46:33,318 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-11-28 18:46:33,318 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 18:46:33,318 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 18:46:33,318 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 18:46:33,319 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 18:46:33,319 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 18:46:33,319 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 18:46:33,319 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 18:46:33,319 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 18:46:33,319 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 18:46:33,319 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 18:46:33,320 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2018-11-28 18:46:33,320 INFO L451 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: true [2018-11-28 18:46:33,320 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-28 18:46:33,320 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 664 696) no Hoare annotation was computed. [2018-11-28 18:46:33,320 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 664 696) the Hoare annotation is: true [2018-11-28 18:46:33,320 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-11-28 18:46:33,321 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-11-28 18:46:33,321 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse2 .cse5 .cse3 .cse6 (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0)) (or .cse4 .cse1 .cse3 .cse6) (or .cse4 .cse5 .cse3 .cse6))) [2018-11-28 18:46:33,321 INFO L448 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2018-11-28 18:46:33,321 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2018-11-28 18:46:33,321 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 664 696) no Hoare annotation was computed. [2018-11-28 18:46:33,321 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse7 (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse2 .cse5 .cse3 .cse6 .cse7) (or .cse4 .cse7 .cse1 .cse3 .cse6))) [2018-11-28 18:46:33,322 INFO L448 ceAbstractionStarter]: For program point L677-1(line 677) no Hoare annotation was computed. [2018-11-28 18:46:33,322 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 562 573) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6 .cse7 .cse4) (or .cse0 .cse5 .cse3 .cse4 .cse7) (or .cse2 .cse1 .cse3 .cse6 .cse4))) [2018-11-28 18:46:33,322 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2018-11-28 18:46:33,322 INFO L448 ceAbstractionStarter]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2018-11-28 18:46:33,323 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 18:46:33,323 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 18:46:33,323 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:33,323 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 18:46:33,323 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:33,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:33,324 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse4))) [2018-11-28 18:46:33,324 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-11-28 18:46:33,325 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse6 .cse2 .cse3 .cse7))) [2018-11-28 18:46:33,325 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-11-28 18:46:33,325 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse6 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< 2 ~waterLevel~0)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 ~waterLevel~0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) (or (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4)) (or .cse2 .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse8 .cse3 .cse4) (or .cse9 .cse2 (and .cse0 .cse6 .cse1) .cse5 .cse3) (or .cse9 .cse7 .cse8 .cse3))) [2018-11-28 18:46:33,326 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse3 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 ~waterLevel~0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= 2 ~waterLevel~0) .cse4) .cse5) (or .cse6 .cse7 .cse0 .cse2) (or .cse6 .cse0 .cse1 (and .cse3 .cse4) .cse2) (or .cse7 .cse8 .cse2 .cse5) (or .cse6 .cse7 .cse8 .cse2))) [2018-11-28 18:46:33,326 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-11-28 18:46:33,327 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or .cse7 .cse0 .cse1 .cse2 .cse4) (or .cse7 .cse5 .cse6 .cse2))) [2018-11-28 18:46:33,327 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-11-28 18:46:33,327 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-11-28 18:46:33,327 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 982 989) no Hoare annotation was computed. [2018-11-28 18:46:33,327 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 982 989) the Hoare annotation is: (let ((.cse6 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (or (not (= 1 ~pumpRunning~0)) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse1) (or .cse5 .cse2 .cse6 .cse4 .cse1)))) [2018-11-28 18:46:33,327 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 982 989) no Hoare annotation was computed. [2018-11-28 18:46:33,327 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2018-11-28 18:46:33,328 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2018-11-28 18:46:33,328 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse4 (and (<= ~waterLevel~0 2) .cse9)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or (<= 2 |old(~waterLevel~0)|) .cse6 .cse3 .cse7)) (or .cse2 .cse6 .cse4 .cse3 .cse7) (or .cse5 .cse8 .cse1 .cse3 .cse7) (or .cse0 .cse8 (or .cse6 .cse3) .cse5) (or .cse0 .cse8 .cse1 .cse3 .cse5)))) [2018-11-28 18:46:33,328 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2018-11-28 18:46:33,328 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2018-11-28 18:46:33,328 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2018-11-28 18:46:33,328 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2018-11-28 18:46:33,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:33 BoogieIcfgContainer [2018-11-28 18:46:33,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:33,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:33,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:33,357 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:33,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:53" (3/4) ... [2018-11-28 18:46:33,362 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:33,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:33,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:33,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:33,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:33,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:46:33,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:33,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:33,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:46:33,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:33,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:33,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:46:33,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:33,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:33,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:33,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:46:33,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:33,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:33,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:46:33,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:46:33,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:33,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:33,389 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 18:46:33,391 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:46:33,391 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:46:33,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:33,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:33,394 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:33,441 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:33,442 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:33,540 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:33,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:33,541 INFO L168 Benchmark]: Toolchain (without parser) took 41888.16 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 550.0 MB). Free memory was 946.0 MB in the beginning and 1.5 GB in the end (delta: -523.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:33,542 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:33,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:33,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:33,547 INFO L168 Benchmark]: Boogie Preprocessor took 56.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:33,547 INFO L168 Benchmark]: RCFGBuilder took 1298.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:33,548 INFO L168 Benchmark]: TraceAbstraction took 39623.73 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 411.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -412.5 MB). Peak memory consumption was 617.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:33,548 INFO L168 Benchmark]: Witness Printer took 183.83 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:33,552 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1298.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39623.73 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 411.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -412.5 MB). Peak memory consumption was 617.9 MB. Max. memory is 11.5 GB. * Witness Printer took 183.83 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 709]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\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: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 39.5s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 19.1s AutomataDifference, 0.0s DeadEndRemovalTime, 12.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2809 SDtfs, 2801 SDslu, 10575 SDs, 0 SdLazy, 6639 SolverSat, 1426 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 761 GetRequests, 606 SyntacticMatches, 2 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1640occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 285 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4311 PreInvPairs, 4892 NumberOfFragments, 3226 HoareAnnotationTreeSize, 4311 FomulaSimplifications, 19052 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 33400 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1920 NumberOfCodeBlocks, 1920 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1902 ConstructedInterpolants, 0 QuantifiedInterpolants, 362434 SizeOfPredicates, 19 NumberOfNonLiveVariables, 3396 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 182/198 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...