./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product42_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_product42_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 284d5750b565b650dea59fef4c61eb2e70211282 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:45:37,690 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:37,692 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:37,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:37,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:37,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:37,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:37,713 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:37,715 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:37,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:37,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:37,717 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:37,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:37,719 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:37,720 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:37,721 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:37,722 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:37,723 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:37,725 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:37,727 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:37,728 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:37,729 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:37,731 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:37,732 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:37,732 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:37,733 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:37,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:37,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:37,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:37,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:37,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:37,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:37,738 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:37,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:37,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:37,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:37,740 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:37,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:37,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:37,771 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:37,771 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:37,772 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:37,772 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:37,772 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:37,772 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:37,774 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:37,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:37,774 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:37,774 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:37,774 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:37,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:37,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:37,775 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:37,775 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:37,775 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:37,775 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:37,776 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:37,776 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:37,776 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:37,776 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:37,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:37,776 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:37,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:37,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:37,778 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:37,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:37,779 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:37,779 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 -> 284d5750b565b650dea59fef4c61eb2e70211282 [2018-11-28 18:45:37,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:37,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:37,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:37,863 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:37,863 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:37,864 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:37,928 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aedf1c7e/56fa8a1119ce44faa87a98eb919b2996/FLAGcf75a8886 [2018-11-28 18:45:38,470 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:38,470 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:38,491 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aedf1c7e/56fa8a1119ce44faa87a98eb919b2996/FLAGcf75a8886 [2018-11-28 18:45:38,747 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aedf1c7e/56fa8a1119ce44faa87a98eb919b2996 [2018-11-28 18:45:38,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:38,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:38,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:38,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:38,757 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:38,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:38" (1/1) ... [2018-11-28 18:45:38,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:38, skipping insertion in model container [2018-11-28 18:45:38,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:38" (1/1) ... [2018-11-28 18:45:38,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:38,834 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:39,233 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:39,259 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:39,416 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:39,564 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:39,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39 WrapperNode [2018-11-28 18:45:39,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:39,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:39,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:39,565 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:39,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:39,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:39,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:39,612 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:39,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:39,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:39,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:39,665 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:39,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (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 18:45:39,752 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:39,754 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:39,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:39,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:39,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:39,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:39,756 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:39,756 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:39,756 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:39,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:45:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:45:39,763 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:45:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:45:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:39,769 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:45:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:45:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:40,787 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:40,788 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:40,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:40 BoogieIcfgContainer [2018-11-28 18:45:40,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:40,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:40,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:40,794 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:40,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:38" (1/3) ... [2018-11-28 18:45:40,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c3ea4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:40, skipping insertion in model container [2018-11-28 18:45:40,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (2/3) ... [2018-11-28 18:45:40,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c3ea4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:40, skipping insertion in model container [2018-11-28 18:45:40,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:40" (3/3) ... [2018-11-28 18:45:40,800 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:40,813 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:40,823 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:40,842 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:40,880 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:40,881 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:40,881 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:40,881 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:40,881 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:40,881 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:40,881 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:40,881 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:40,882 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-11-28 18:45:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:40,920 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:40,921 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 18:45:40,924 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:40,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:40,931 INFO L82 PathProgramCache]: Analyzing trace with hash -294225382, now seen corresponding path program 1 times [2018-11-28 18:45:40,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:40,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:40,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:40,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:40,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:41,345 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 18:45:41,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:41,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:41,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:41,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:41,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:41,371 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-11-28 18:45:41,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:41,412 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2018-11-28 18:45:41,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:41,413 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:45:41,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:41,431 INFO L225 Difference]: With dead ends: 254 [2018-11-28 18:45:41,432 INFO L226 Difference]: Without dead ends: 127 [2018-11-28 18:45:41,437 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 18:45:41,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-28 18:45:41,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-28 18:45:41,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-28 18:45:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-11-28 18:45:41,503 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2018-11-28 18:45:41,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:41,504 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-11-28 18:45:41,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-11-28 18:45:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:45:41,509 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:41,509 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 18:45:41,509 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:41,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:41,510 INFO L82 PathProgramCache]: Analyzing trace with hash -229410569, now seen corresponding path program 1 times [2018-11-28 18:45:41,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:41,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:41,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:41,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:41,666 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 18:45:41,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:41,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:41,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:41,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:41,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:41,670 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2018-11-28 18:45:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:41,706 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2018-11-28 18:45:41,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:41,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:45:41,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:41,709 INFO L225 Difference]: With dead ends: 199 [2018-11-28 18:45:41,710 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 18:45:41,711 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 18:45:41,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 18:45:41,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-28 18:45:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 18:45:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-11-28 18:45:41,732 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2018-11-28 18:45:41,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:41,733 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-11-28 18:45:41,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-11-28 18:45:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 18:45:41,735 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:41,740 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 18:45:41,740 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:41,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:41,741 INFO L82 PathProgramCache]: Analyzing trace with hash -237918661, now seen corresponding path program 1 times [2018-11-28 18:45:41,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:41,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:41,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:41,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:42,065 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 18:45:42,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:42,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:42,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:42,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:42,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:42,066 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2018-11-28 18:45:43,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:43,029 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2018-11-28 18:45:43,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:43,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 18:45:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:43,033 INFO L225 Difference]: With dead ends: 212 [2018-11-28 18:45:43,033 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 18:45:43,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:43,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 18:45:43,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-28 18:45:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 18:45:43,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2018-11-28 18:45:43,050 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2018-11-28 18:45:43,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:43,050 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2018-11-28 18:45:43,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2018-11-28 18:45:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 18:45:43,053 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:43,054 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] [2018-11-28 18:45:43,054 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:43,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:43,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1761248130, now seen corresponding path program 1 times [2018-11-28 18:45:43,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:43,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:43,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:43,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:43,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:43,310 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 18:45:43,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:43,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:43,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:43,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:43,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:43,311 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 5 states. [2018-11-28 18:45:44,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:44,665 INFO L93 Difference]: Finished difference Result 314 states and 375 transitions. [2018-11-28 18:45:44,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:44,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-28 18:45:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:44,669 INFO L225 Difference]: With dead ends: 314 [2018-11-28 18:45:44,669 INFO L226 Difference]: Without dead ends: 220 [2018-11-28 18:45:44,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:44,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-28 18:45:44,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2018-11-28 18:45:44,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-28 18:45:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2018-11-28 18:45:44,708 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2018-11-28 18:45:44,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:44,708 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2018-11-28 18:45:44,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2018-11-28 18:45:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-28 18:45:44,712 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:44,712 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] [2018-11-28 18:45:44,712 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:44,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:44,713 INFO L82 PathProgramCache]: Analyzing trace with hash 895970761, now seen corresponding path program 1 times [2018-11-28 18:45:44,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:44,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:44,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:44,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:44,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:45,436 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 18:45:45,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:45,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:45:45,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:45:45,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:45:45,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:45,441 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 8 states. [2018-11-28 18:45:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:45,776 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2018-11-28 18:45:45,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:45,776 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2018-11-28 18:45:45,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:45,779 INFO L225 Difference]: With dead ends: 385 [2018-11-28 18:45:45,780 INFO L226 Difference]: Without dead ends: 208 [2018-11-28 18:45:45,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:45,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-11-28 18:45:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 205. [2018-11-28 18:45:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-28 18:45:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 234 transitions. [2018-11-28 18:45:45,806 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 234 transitions. Word has length 80 [2018-11-28 18:45:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:45,806 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 234 transitions. [2018-11-28 18:45:45,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:45:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 234 transitions. [2018-11-28 18:45:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-28 18:45:45,809 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:45,810 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] [2018-11-28 18:45:45,810 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:45,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:45,810 INFO L82 PathProgramCache]: Analyzing trace with hash 968357319, now seen corresponding path program 1 times [2018-11-28 18:45:45,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:45,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:45,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:45,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:45,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:46,036 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 18:45:46,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:46,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:46,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:46,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:46,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:46,037 INFO L87 Difference]: Start difference. First operand 205 states and 234 transitions. Second operand 6 states. [2018-11-28 18:45:46,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:46,456 INFO L93 Difference]: Finished difference Result 513 states and 613 transitions. [2018-11-28 18:45:46,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:46,461 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-11-28 18:45:46,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:46,465 INFO L225 Difference]: With dead ends: 513 [2018-11-28 18:45:46,465 INFO L226 Difference]: Without dead ends: 332 [2018-11-28 18:45:46,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-11-28 18:45:46,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-11-28 18:45:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-11-28 18:45:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 379 transitions. [2018-11-28 18:45:46,504 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 379 transitions. Word has length 80 [2018-11-28 18:45:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:46,505 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 379 transitions. [2018-11-28 18:45:46,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 379 transitions. [2018-11-28 18:45:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:45:46,510 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:46,511 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] [2018-11-28 18:45:46,511 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:46,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:46,511 INFO L82 PathProgramCache]: Analyzing trace with hash -825537343, now seen corresponding path program 1 times [2018-11-28 18:45:46,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:46,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:46,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:46,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:46,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:46,808 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 18:45:46,861 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 18:45:46,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:46,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:46,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:46,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:46,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:46,864 INFO L87 Difference]: Start difference. First operand 328 states and 379 transitions. Second operand 6 states. [2018-11-28 18:45:47,499 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-11-28 18:45:47,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:47,773 INFO L93 Difference]: Finished difference Result 681 states and 815 transitions. [2018-11-28 18:45:47,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:47,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 18:45:47,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:47,784 INFO L225 Difference]: With dead ends: 681 [2018-11-28 18:45:47,784 INFO L226 Difference]: Without dead ends: 500 [2018-11-28 18:45:47,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-11-28 18:45:47,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2018-11-28 18:45:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-28 18:45:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 568 transitions. [2018-11-28 18:45:47,847 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 568 transitions. Word has length 84 [2018-11-28 18:45:47,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:47,848 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 568 transitions. [2018-11-28 18:45:47,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 568 transitions. [2018-11-28 18:45:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:45:47,850 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:47,851 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] [2018-11-28 18:45:47,851 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:47,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:47,851 INFO L82 PathProgramCache]: Analyzing trace with hash -568158140, now seen corresponding path program 1 times [2018-11-28 18:45:47,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:47,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:47,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:47,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:47,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:48,752 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 18:45:48,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:48,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:45:48,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:45:48,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:45:48,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:48,754 INFO L87 Difference]: Start difference. First operand 482 states and 568 transitions. Second operand 9 states. [2018-11-28 18:45:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:48,957 INFO L93 Difference]: Finished difference Result 837 states and 999 transitions. [2018-11-28 18:45:48,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:48,957 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2018-11-28 18:45:48,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:48,961 INFO L225 Difference]: With dead ends: 837 [2018-11-28 18:45:48,961 INFO L226 Difference]: Without dead ends: 502 [2018-11-28 18:45:48,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:48,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-11-28 18:45:49,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 497. [2018-11-28 18:45:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-11-28 18:45:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 585 transitions. [2018-11-28 18:45:49,007 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 585 transitions. Word has length 84 [2018-11-28 18:45:49,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:49,007 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 585 transitions. [2018-11-28 18:45:49,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:45:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 585 transitions. [2018-11-28 18:45:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:45:49,009 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:49,009 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] [2018-11-28 18:45:49,010 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:49,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:49,012 INFO L82 PathProgramCache]: Analyzing trace with hash -495771582, now seen corresponding path program 1 times [2018-11-28 18:45:49,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:49,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:49,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:49,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:49,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:49,297 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 18:45:49,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:49,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:49,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:49,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:49,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:49,298 INFO L87 Difference]: Start difference. First operand 497 states and 585 transitions. Second operand 5 states. [2018-11-28 18:45:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:49,467 INFO L93 Difference]: Finished difference Result 839 states and 1006 transitions. [2018-11-28 18:45:49,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:45:49,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-28 18:45:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:49,471 INFO L225 Difference]: With dead ends: 839 [2018-11-28 18:45:49,472 INFO L226 Difference]: Without dead ends: 489 [2018-11-28 18:45:49,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:49,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-11-28 18:45:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-11-28 18:45:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-11-28 18:45:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 574 transitions. [2018-11-28 18:45:49,508 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 574 transitions. Word has length 84 [2018-11-28 18:45:49,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:49,509 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 574 transitions. [2018-11-28 18:45:49,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 574 transitions. [2018-11-28 18:45:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-28 18:45:49,511 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:49,511 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] [2018-11-28 18:45:49,511 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:49,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:49,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1017486641, now seen corresponding path program 1 times [2018-11-28 18:45:49,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:49,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:49,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:49,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:49,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:49,924 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 18:45:49,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:49,924 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 18:45:49,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:50,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:50,935 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 18:45:50,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:50,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 18:45:50,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:45:50,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:45:50,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:45:50,961 INFO L87 Difference]: Start difference. First operand 489 states and 574 transitions. Second operand 14 states. [2018-11-28 18:45:54,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:54,726 INFO L93 Difference]: Finished difference Result 1284 states and 1559 transitions. [2018-11-28 18:45:54,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 18:45:54,730 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 96 [2018-11-28 18:45:54,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:54,739 INFO L225 Difference]: With dead ends: 1284 [2018-11-28 18:45:54,739 INFO L226 Difference]: Without dead ends: 819 [2018-11-28 18:45:54,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:45:54,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-28 18:45:54,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 816. [2018-11-28 18:45:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-11-28 18:45:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 945 transitions. [2018-11-28 18:45:54,827 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 945 transitions. Word has length 96 [2018-11-28 18:45:54,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:54,830 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 945 transitions. [2018-11-28 18:45:54,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:45:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 945 transitions. [2018-11-28 18:45:54,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 18:45:54,834 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:54,834 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] [2018-11-28 18:45:54,835 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:54,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:54,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1394556845, now seen corresponding path program 1 times [2018-11-28 18:45:54,835 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:54,835 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:54,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:54,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:54,839 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 18:45:55,768 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 18:45:55,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:55,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:45:55,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:45:55,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:45:55,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:55,770 INFO L87 Difference]: Start difference. First operand 816 states and 945 transitions. Second operand 10 states. [2018-11-28 18:45:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:56,534 INFO L93 Difference]: Finished difference Result 1580 states and 1852 transitions. [2018-11-28 18:45:56,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:45:56,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-11-28 18:45:56,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:56,541 INFO L225 Difference]: With dead ends: 1580 [2018-11-28 18:45:56,542 INFO L226 Difference]: Without dead ends: 788 [2018-11-28 18:45:56,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:56,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2018-11-28 18:45:56,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 774. [2018-11-28 18:45:56,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2018-11-28 18:45:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 894 transitions. [2018-11-28 18:45:56,596 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 894 transitions. Word has length 100 [2018-11-28 18:45:56,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:56,597 INFO L480 AbstractCegarLoop]: Abstraction has 774 states and 894 transitions. [2018-11-28 18:45:56,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:45:56,597 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 894 transitions. [2018-11-28 18:45:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 18:45:56,602 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:56,602 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] [2018-11-28 18:45:56,602 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:56,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:56,604 INFO L82 PathProgramCache]: Analyzing trace with hash -977645101, now seen corresponding path program 1 times [2018-11-28 18:45:56,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:56,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:56,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:56,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:56,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:57,203 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 18:45:57,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:57,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:45:57,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:45:57,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:45:57,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:57,204 INFO L87 Difference]: Start difference. First operand 774 states and 894 transitions. Second operand 10 states. [2018-11-28 18:45:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:57,586 INFO L93 Difference]: Finished difference Result 1525 states and 1766 transitions. [2018-11-28 18:45:57,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:57,589 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-11-28 18:45:57,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:57,590 INFO L225 Difference]: With dead ends: 1525 [2018-11-28 18:45:57,590 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:45:57,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:57,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:45:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:45:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:45:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:45:57,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-28 18:45:57,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:57,595 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:45:57,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:45:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:45:57,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:45:57,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:45:58,614 WARN L180 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 14 [2018-11-28 18:45:59,918 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-11-28 18:46:00,173 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2018-11-28 18:46:00,355 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 16 [2018-11-28 18:46:00,750 WARN L180 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-11-28 18:46:00,997 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2018-11-28 18:46:01,104 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2018-11-28 18:46:01,324 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2018-11-28 18:46:01,835 WARN L180 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-11-28 18:46:02,130 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2018-11-28 18:46:02,254 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2018-11-28 18:46:02,529 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2018-11-28 18:46:02,636 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2018-11-28 18:46:02,805 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2018-11-28 18:46:03,222 WARN L180 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2018-11-28 18:46:03,324 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2018-11-28 18:46:03,807 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 1 [2018-11-28 18:46:04,179 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-11-28 18:46:04,216 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2018-11-28 18:46:04,217 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2018-11-28 18:46:04,217 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2018-11-28 18:46:04,217 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2018-11-28 18:46:04,217 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2018-11-28 18:46:04,217 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 18:46:04,217 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 18:46:04,217 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:04,218 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:04,218 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:04,218 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:04,218 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 18:46:04,218 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 18:46:04,218 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) (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-28 18:46:04,218 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) (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-28 18:46:04,218 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 18:46:04,219 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2018-11-28 18:46:04,219 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2018-11-28 18:46:04,219 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2018-11-28 18:46:04,219 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2018-11-28 18:46:04,219 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2018-11-28 18:46:04,219 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:04,219 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 18:46:04,219 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 18:46:04,219 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2018-11-28 18:46:04,219 INFO L451 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: true [2018-11-28 18:46:04,220 INFO L448 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2018-11-28 18:46:04,220 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2018-11-28 18:46:04,220 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2018-11-28 18:46:04,220 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2018-11-28 18:46:04,220 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2018-11-28 18:46:04,220 INFO L448 ceAbstractionStarter]: For program point L482(lines 482 488) no Hoare annotation was computed. [2018-11-28 18:46:04,220 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2018-11-28 18:46:04,220 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2018-11-28 18:46:04,220 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse1 .cse3 .cse6))) [2018-11-28 18:46:04,221 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse3) (or .cse2 .cse1 .cse3 .cse5))) [2018-11-28 18:46:04,221 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2018-11-28 18:46:04,221 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2018-11-28 18:46:04,221 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-11-28 18:46:04,221 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2018-11-28 18:46:04,221 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-11-28 18:46:04,222 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-11-28 18:46:04,222 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-11-28 18:46:04,222 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2018-11-28 18:46:04,222 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2018-11-28 18:46:04,222 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:04,222 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-28 18:46:04,222 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2018-11-28 18:46:04,222 INFO L444 ceAbstractionStarter]: At program point L203(lines 154 204) 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 18:46:04,222 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-11-28 18:46:04,223 INFO L444 ceAbstractionStarter]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:04,223 INFO L448 ceAbstractionStarter]: For program point L156(lines 155 202) no Hoare annotation was computed. [2018-11-28 18:46:04,223 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:04,223 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 198) no Hoare annotation was computed. [2018-11-28 18:46:04,223 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:04,223 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-11-28 18:46:04,223 INFO L448 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2018-11-28 18:46:04,223 INFO L444 ceAbstractionStarter]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:04,224 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:04,224 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-11-28 18:46:04,224 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2018-11-28 18:46:04,224 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2018-11-28 18:46:04,224 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:46:04,224 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2018-11-28 18:46:04,224 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2018-11-28 18:46:04,224 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:04,224 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-28 18:46:04,224 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:04,225 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:46:04,225 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2018-11-28 18:46:04,225 INFO L448 ceAbstractionStarter]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2018-11-28 18:46:04,225 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:46:04,225 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 302) no Hoare annotation was computed. [2018-11-28 18:46:04,225 INFO L444 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:46:04,225 INFO L448 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2018-11-28 18:46:04,225 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2018-11-28 18:46:04,225 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2018-11-28 18:46:04,225 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2018-11-28 18:46:04,226 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2018-11-28 18:46:04,226 INFO L448 ceAbstractionStarter]: For program point L379(lines 379 383) no Hoare annotation was computed. [2018-11-28 18:46:04,226 INFO L451 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: true [2018-11-28 18:46:04,226 INFO L448 ceAbstractionStarter]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2018-11-28 18:46:04,226 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-28 18:46:04,226 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2018-11-28 18:46:04,226 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2018-11-28 18:46:04,226 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2018-11-28 18:46:04,226 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse2 .cse6 .cse1 .cse3) (or .cse5 .cse4 .cse6 .cse1))) [2018-11-28 18:46:04,226 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2018-11-28 18:46:04,227 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2018-11-28 18:46:04,227 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2018-11-28 18:46:04,227 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2018-11-28 18:46:04,227 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse3 (not (= ~waterLevel~0 2))) (.cse9 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 1)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse5 .cse4 .cse6) (or .cse1 .cse2 .cse4 .cse6 .cse3) (or .cse7 .cse5 .cse4 .cse8 .cse6) (or .cse0 .cse9 .cse2 .cse4) (or .cse2 .cse7 .cse4 .cse8 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse3) (or .cse2 .cse4 .cse9 .cse6) (or .cse10 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse5 .cse4 .cse8) (or .cse10 .cse0 .cse5 .cse4) (or .cse0 .cse7 .cse2 .cse4 .cse8))) [2018-11-28 18:46:04,227 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 2)) (.cse6 (not (= ~waterLevel~0 2))) (.cse8 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse3 .cse7 .cse6) (or .cse0 .cse8 .cse5 .cse3) (or .cse5 .cse9 .cse3 .cse10 .cse7) (or .cse5 .cse3 .cse8 .cse7) (or .cse2 .cse1 .cse3 .cse7) (or .cse0 .cse9 .cse5 .cse3 .cse10))) [2018-11-28 18:46:04,227 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2018-11-28 18:46:04,227 INFO L444 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~waterLevel~0 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 .cse1 .cse7 .cse2) (or .cse8 .cse0 .cse2 .cse9 .cse3) (or .cse6 .cse10 .cse0 .cse4 .cse2) (or .cse6 .cse5 .cse0 .cse2) (or .cse10 .cse0 .cse4 .cse2 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse6 .cse8 .cse0 .cse2 .cse9))) [2018-11-28 18:46:04,228 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2018-11-28 18:46:04,228 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7))) [2018-11-28 18:46:04,228 INFO L448 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2018-11-28 18:46:04,228 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 18:46:04,228 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 18:46:04,228 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 18:46:04,228 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 18:46:04,228 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 18:46:04,228 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 18:46:04,228 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 18:46:04,229 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 18:46:04,229 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 18:46:04,229 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 18:46:04,229 INFO L444 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2018-11-28 18:46:04,229 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2018-11-28 18:46:04,229 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-11-28 18:46:04,229 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2018-11-28 18:46:04,229 INFO L444 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2018-11-28 18:46:04,230 INFO L448 ceAbstractionStarter]: For program point L920-1(line 920) no Hoare annotation was computed. [2018-11-28 18:46:04,230 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 931) no Hoare annotation was computed. [2018-11-28 18:46:04,230 INFO L448 ceAbstractionStarter]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2018-11-28 18:46:04,230 INFO L444 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-11-28 18:46:04,230 INFO L448 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2018-11-28 18:46:04,230 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2018-11-28 18:46:04,230 INFO L451 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-11-28 18:46:04,230 INFO L448 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-11-28 18:46:04,230 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 18:46:04,231 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2018-11-28 18:46:04,231 INFO L448 ceAbstractionStarter]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2018-11-28 18:46:04,231 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 18:46:04,231 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 18:46:04,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:04,231 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)) [2018-11-28 18:46:04,231 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:04,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:04,231 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2018-11-28 18:46:04,232 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse2) (or .cse5 .cse2 .cse0 .cse3))) [2018-11-28 18:46:04,232 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2018-11-28 18:46:04,232 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2018-11-28 18:46:04,232 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2018-11-28 18:46:04,232 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse8 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2) (or .cse1 .cse8 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse8 .cse2 .cse7) (or .cse7 .cse6 .cse8 .cse2 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse7))) [2018-11-28 18:46:04,232 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2018-11-28 18:46:04,232 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2018-11-28 18:46:04,232 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2018-11-28 18:46:04,232 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2018-11-28 18:46:04,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:04 BoogieIcfgContainer [2018-11-28 18:46:04,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:04,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:04,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:04,259 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:04,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:40" (3/4) ... [2018-11-28 18:46:04,265 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:04,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:04,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:04,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:04,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:46:04,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:04,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:04,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:46:04,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:04,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:04,292 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:46:04,293 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:04,293 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:04,294 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:04,294 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:04,295 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:04,323 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:04,323 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 18:46:04,390 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:04,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:04,395 INFO L168 Benchmark]: Toolchain (without parser) took 25643.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.0 MB). Free memory was 951.3 MB in the beginning and 914.9 MB in the end (delta: 36.4 MB). Peak memory consumption was 348.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:04,396 INFO L168 Benchmark]: CDTParser took 0.16 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 18:46:04,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:04,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.18 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 18:46:04,396 INFO L168 Benchmark]: Boogie Preprocessor took 52.41 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 18:46:04,397 INFO L168 Benchmark]: RCFGBuilder took 1124.38 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: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:04,397 INFO L168 Benchmark]: TraceAbstraction took 23468.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 926.5 MB in the end (delta: 142.8 MB). Peak memory consumption was 434.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:04,397 INFO L168 Benchmark]: Witness Printer took 135.21 ms. Allocated memory is still 1.3 GB. Free memory was 926.5 MB in the beginning and 914.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:04,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 811.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.41 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 1124.38 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: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23468.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 926.5 MB in the end (delta: 142.8 MB). Peak memory consumption was 434.6 MB. Max. memory is 11.5 GB. * Witness Printer took 135.21 ms. Allocated memory is still 1.3 GB. Free memory was 926.5 MB in the beginning and 914.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 140 locations, 1 error locations. SAFE Result, 23.3s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 9.4s AutomataDifference, 0.0s DeadEndRemovalTime, 6.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1910 SDtfs, 841 SDslu, 7613 SDs, 0 SdLazy, 1664 SolverSat, 151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=816occurred in iteration=10, 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 66 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1639 PreInvPairs, 1748 NumberOfFragments, 2157 HoareAnnotationTreeSize, 1639 FomulaSimplifications, 1403 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8226 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1020 ConstructedInterpolants, 0 QuantifiedInterpolants, 141060 SizeOfPredicates, 6 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...