./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product59_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_spec1_product59_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 216d00aaae39a5385dce6e868b43ee8cd776a043 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:43:34,664 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:34,666 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:34,683 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:34,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:34,686 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:34,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:34,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:34,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:34,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:34,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:34,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:34,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:34,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:34,702 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:34,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:34,709 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:34,712 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:34,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:34,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:34,717 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:34,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:34,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:34,725 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:34,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:34,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:34,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:34,731 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:34,733 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:34,734 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:34,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:34,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:34,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:34,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:34,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:34,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:34,741 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:34,766 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:34,767 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:34,767 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:34,768 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:34,768 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:34,768 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:34,769 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:34,769 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:34,769 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:34,769 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:34,769 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:34,769 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:34,771 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:34,771 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:34,771 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:34,772 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:34,772 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:34,772 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:34,772 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:34,772 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:34,772 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:34,773 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:34,774 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:34,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:34,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:34,775 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:34,775 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:34,775 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:34,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:34,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:34,775 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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2018-11-28 18:43:34,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:34,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:34,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:34,857 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:34,858 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:34,858 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:34,917 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06278e66/24a27800c352437b968b232f56ecdb29/FLAG1a54d02c6 [2018-11-28 18:43:35,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:35,410 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:35,431 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06278e66/24a27800c352437b968b232f56ecdb29/FLAG1a54d02c6 [2018-11-28 18:43:35,705 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06278e66/24a27800c352437b968b232f56ecdb29 [2018-11-28 18:43:35,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:35,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:35,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:35,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:35,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:35,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:35" (1/1) ... [2018-11-28 18:43:35,721 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 06:43:35, skipping insertion in model container [2018-11-28 18:43:35,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:35" (1/1) ... [2018-11-28 18:43:35,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:35,791 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:36,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:36,246 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:36,346 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:36,478 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:36,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36 WrapperNode [2018-11-28 18:43:36,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:36,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:36,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:36,480 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:36,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:36,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:36,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:36,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:36,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (1/1) ... [2018-11-28 18:43:36,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:36,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:36,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:36,587 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:36,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (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 18:43:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:43:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:43:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:43:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:43:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:43:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:43:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:43:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:43:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:43:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:43:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:43:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:43:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:43:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:43:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:43:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:43:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:37,801 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:37,802 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:37,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:37 BoogieIcfgContainer [2018-11-28 18:43:37,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:37,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:37,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:37,807 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:37,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:35" (1/3) ... [2018-11-28 18:43:37,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b03a2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:37, skipping insertion in model container [2018-11-28 18:43:37,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:36" (2/3) ... [2018-11-28 18:43:37,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b03a2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:37, skipping insertion in model container [2018-11-28 18:43:37,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:37" (3/3) ... [2018-11-28 18:43:37,812 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:37,821 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:37,828 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:37,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:37,880 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:37,881 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:37,881 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:37,881 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:37,882 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:37,882 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:37,882 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:37,882 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:37,882 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-28 18:43:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:37,918 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:37,919 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:37,922 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:37,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:37,928 INFO L82 PathProgramCache]: Analyzing trace with hash 752822199, now seen corresponding path program 1 times [2018-11-28 18:43:37,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:37,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:37,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:37,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:37,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:38,269 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 18:43:38,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:38,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:38,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:38,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:38,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:38,294 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-28 18:43:38,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:38,343 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-11-28 18:43:38,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:38,345 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:38,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:38,361 INFO L225 Difference]: With dead ends: 292 [2018-11-28 18:43:38,361 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 18:43:38,367 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 18:43:38,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 18:43:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 18:43:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 18:43:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-11-28 18:43:38,443 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-11-28 18:43:38,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:38,445 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-11-28 18:43:38,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-11-28 18:43:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:38,449 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:38,450 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:38,450 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:38,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:38,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1689313563, now seen corresponding path program 1 times [2018-11-28 18:43:38,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:38,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:38,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:38,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:38,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:38,654 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 18:43:38,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:38,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:38,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:38,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:38,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:38,658 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-11-28 18:43:38,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:38,698 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-11-28 18:43:38,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:38,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:38,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:38,705 INFO L225 Difference]: With dead ends: 235 [2018-11-28 18:43:38,706 INFO L226 Difference]: Without dead ends: 137 [2018-11-28 18:43:38,708 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 18:43:38,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-28 18:43:38,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-28 18:43:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-28 18:43:38,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-11-28 18:43:38,727 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-11-28 18:43:38,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:38,727 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-11-28 18:43:38,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-11-28 18:43:38,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:43:38,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:38,732 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] [2018-11-28 18:43:38,732 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:38,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:38,732 INFO L82 PathProgramCache]: Analyzing trace with hash -2056846747, now seen corresponding path program 1 times [2018-11-28 18:43:38,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:38,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:38,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:38,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:38,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:39,000 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 18:43:39,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:39,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:39,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:39,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:39,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:39,004 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-11-28 18:43:40,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:40,711 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2018-11-28 18:43:40,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:40,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:43:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:40,720 INFO L225 Difference]: With dead ends: 413 [2018-11-28 18:43:40,720 INFO L226 Difference]: Without dead ends: 300 [2018-11-28 18:43:40,722 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 18:43:40,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-11-28 18:43:40,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2018-11-28 18:43:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-11-28 18:43:40,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 352 transitions. [2018-11-28 18:43:40,784 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 352 transitions. Word has length 51 [2018-11-28 18:43:40,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:40,784 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 352 transitions. [2018-11-28 18:43:40,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 352 transitions. [2018-11-28 18:43:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:43:40,790 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:40,790 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:40,791 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:40,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:40,791 INFO L82 PathProgramCache]: Analyzing trace with hash 584544480, now seen corresponding path program 1 times [2018-11-28 18:43:40,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:40,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:40,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:40,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:40,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:41,057 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 18:43:41,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:41,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:41,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:41,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:41,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:41,060 INFO L87 Difference]: Start difference. First operand 292 states and 352 transitions. Second operand 6 states. [2018-11-28 18:43:41,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:41,556 INFO L93 Difference]: Finished difference Result 813 states and 1004 transitions. [2018-11-28 18:43:41,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:41,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 18:43:41,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:41,563 INFO L225 Difference]: With dead ends: 813 [2018-11-28 18:43:41,564 INFO L226 Difference]: Without dead ends: 545 [2018-11-28 18:43:41,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 18:43:41,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-28 18:43:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2018-11-28 18:43:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-28 18:43:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 654 transitions. [2018-11-28 18:43:41,635 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 654 transitions. Word has length 57 [2018-11-28 18:43:41,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:41,636 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 654 transitions. [2018-11-28 18:43:41,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 654 transitions. [2018-11-28 18:43:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:43:41,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:41,640 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:41,640 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:41,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:41,641 INFO L82 PathProgramCache]: Analyzing trace with hash -276809948, now seen corresponding path program 1 times [2018-11-28 18:43:41,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:41,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:41,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:41,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:41,816 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 18:43:41,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:41,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:41,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:41,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:41,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:41,818 INFO L87 Difference]: Start difference. First operand 539 states and 654 transitions. Second operand 7 states. [2018-11-28 18:43:42,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:42,965 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2018-11-28 18:43:42,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:43:42,968 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 18:43:42,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:42,975 INFO L225 Difference]: With dead ends: 1380 [2018-11-28 18:43:42,976 INFO L226 Difference]: Without dead ends: 865 [2018-11-28 18:43:42,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:43:42,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-11-28 18:43:43,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 769. [2018-11-28 18:43:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-11-28 18:43:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 931 transitions. [2018-11-28 18:43:43,048 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 931 transitions. Word has length 61 [2018-11-28 18:43:43,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:43,049 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 931 transitions. [2018-11-28 18:43:43,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 931 transitions. [2018-11-28 18:43:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 18:43:43,052 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:43,053 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] [2018-11-28 18:43:43,053 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:43,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:43,053 INFO L82 PathProgramCache]: Analyzing trace with hash -226416114, now seen corresponding path program 1 times [2018-11-28 18:43:43,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:43,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:43,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:43,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:43,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:43,399 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 18:43:43,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:43,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:43,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:43,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:43,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:43,401 INFO L87 Difference]: Start difference. First operand 769 states and 931 transitions. Second operand 6 states. [2018-11-28 18:43:43,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:43,544 INFO L93 Difference]: Finished difference Result 1542 states and 1926 transitions. [2018-11-28 18:43:43,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:43,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-28 18:43:43,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:43,557 INFO L225 Difference]: With dead ends: 1542 [2018-11-28 18:43:43,557 INFO L226 Difference]: Without dead ends: 797 [2018-11-28 18:43:43,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:43,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-11-28 18:43:43,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 789. [2018-11-28 18:43:43,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2018-11-28 18:43:43,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 951 transitions. [2018-11-28 18:43:43,635 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 951 transitions. Word has length 98 [2018-11-28 18:43:43,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:43,636 INFO L480 AbstractCegarLoop]: Abstraction has 789 states and 951 transitions. [2018-11-28 18:43:43,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 951 transitions. [2018-11-28 18:43:43,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 18:43:43,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:43,642 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] [2018-11-28 18:43:43,643 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:43,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:43,643 INFO L82 PathProgramCache]: Analyzing trace with hash 667070224, now seen corresponding path program 1 times [2018-11-28 18:43:43,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:43,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:43,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:43,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:43,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:43,825 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 18:43:43,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:43,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:43:43,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:43:43,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:43:43,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:43:43,826 INFO L87 Difference]: Start difference. First operand 789 states and 951 transitions. Second operand 8 states. [2018-11-28 18:43:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:44,153 INFO L93 Difference]: Finished difference Result 1582 states and 1966 transitions. [2018-11-28 18:43:44,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:44,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-28 18:43:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:44,160 INFO L225 Difference]: With dead ends: 1582 [2018-11-28 18:43:44,160 INFO L226 Difference]: Without dead ends: 817 [2018-11-28 18:43:44,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:43:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2018-11-28 18:43:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 805. [2018-11-28 18:43:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-11-28 18:43:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-11-28 18:43:44,222 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 98 [2018-11-28 18:43:44,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:44,222 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-11-28 18:43:44,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:43:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-11-28 18:43:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 18:43:44,227 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:44,227 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] [2018-11-28 18:43:44,227 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:44,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:44,227 INFO L82 PathProgramCache]: Analyzing trace with hash 659310865, now seen corresponding path program 1 times [2018-11-28 18:43:44,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:44,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:44,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:44,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:44,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:44,642 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 18:43:44,653 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 18:43:44,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:44,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:43:44,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:43:44,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:43:44,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:43:44,655 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 4 states. [2018-11-28 18:43:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:46,327 INFO L93 Difference]: Finished difference Result 2547 states and 3210 transitions. [2018-11-28 18:43:46,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:43:46,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-28 18:43:46,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:46,340 INFO L225 Difference]: With dead ends: 2547 [2018-11-28 18:43:46,340 INFO L226 Difference]: Without dead ends: 1766 [2018-11-28 18:43:46,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:43:46,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2018-11-28 18:43:46,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1735. [2018-11-28 18:43:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2018-11-28 18:43:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2139 transitions. [2018-11-28 18:43:46,484 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2139 transitions. Word has length 98 [2018-11-28 18:43:46,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:46,484 INFO L480 AbstractCegarLoop]: Abstraction has 1735 states and 2139 transitions. [2018-11-28 18:43:46,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:43:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2139 transitions. [2018-11-28 18:43:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-28 18:43:46,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:46,489 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:46,490 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:46,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:46,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1469595243, now seen corresponding path program 1 times [2018-11-28 18:43:46,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:46,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:46,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:46,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:46,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:47,042 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 18:43:47,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:43:47,042 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 18:43:47,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:47,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:43:48,397 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 18:43:48,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:43:48,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:43:48,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:43:48,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:43:48,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:43:48,434 INFO L87 Difference]: Start difference. First operand 1735 states and 2139 transitions. Second operand 19 states. [2018-11-28 18:43:55,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:55,197 INFO L93 Difference]: Finished difference Result 3416 states and 4258 transitions. [2018-11-28 18:43:55,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:43:55,198 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2018-11-28 18:43:55,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:55,211 INFO L225 Difference]: With dead ends: 3416 [2018-11-28 18:43:55,211 INFO L226 Difference]: Without dead ends: 1705 [2018-11-28 18:43:55,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:43:55,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2018-11-28 18:43:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2018-11-28 18:43:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2018-11-28 18:43:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2057 transitions. [2018-11-28 18:43:55,332 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2057 transitions. Word has length 102 [2018-11-28 18:43:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:55,335 INFO L480 AbstractCegarLoop]: Abstraction has 1705 states and 2057 transitions. [2018-11-28 18:43:55,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:43:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2057 transitions. [2018-11-28 18:43:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-28 18:43:55,344 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:55,344 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:55,344 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:55,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:55,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1470552784, now seen corresponding path program 1 times [2018-11-28 18:43:55,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:55,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:55,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:55,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:55,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 18:43:55,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:43:55,536 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:43:55,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:55,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:43:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:43:55,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:43:55,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 18:43:55,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:55,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:55,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:55,771 INFO L87 Difference]: Start difference. First operand 1705 states and 2057 transitions. Second operand 6 states. [2018-11-28 18:43:57,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:57,195 INFO L93 Difference]: Finished difference Result 3905 states and 4977 transitions. [2018-11-28 18:43:57,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:43:57,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-28 18:43:57,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:57,213 INFO L225 Difference]: With dead ends: 3905 [2018-11-28 18:43:57,213 INFO L226 Difference]: Without dead ends: 2540 [2018-11-28 18:43:57,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:57,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2018-11-28 18:43:57,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2215. [2018-11-28 18:43:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2215 states. [2018-11-28 18:43:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 2689 transitions. [2018-11-28 18:43:57,422 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 2689 transitions. Word has length 159 [2018-11-28 18:43:57,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:57,423 INFO L480 AbstractCegarLoop]: Abstraction has 2215 states and 2689 transitions. [2018-11-28 18:43:57,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2689 transitions. [2018-11-28 18:43:57,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 18:43:57,432 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:57,433 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:57,434 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:57,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:57,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1792268874, now seen corresponding path program 1 times [2018-11-28 18:43:57,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:57,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:57,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:57,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:57,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 18:43:58,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:43:58,220 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:43:58,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:58,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:43:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:43:58,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:43:58,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-28 18:43:58,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:43:58,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:43:58,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:43:58,600 INFO L87 Difference]: Start difference. First operand 2215 states and 2689 transitions. Second operand 14 states. [2018-11-28 18:44:03,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:03,113 INFO L93 Difference]: Finished difference Result 6238 states and 8365 transitions. [2018-11-28 18:44:03,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 18:44:03,114 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-11-28 18:44:03,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:03,142 INFO L225 Difference]: With dead ends: 6238 [2018-11-28 18:44:03,143 INFO L226 Difference]: Without dead ends: 4375 [2018-11-28 18:44:03,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-28 18:44:03,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4375 states. [2018-11-28 18:44:03,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4375 to 3595. [2018-11-28 18:44:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3595 states. [2018-11-28 18:44:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 4327 transitions. [2018-11-28 18:44:03,447 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 4327 transitions. Word has length 155 [2018-11-28 18:44:03,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:03,448 INFO L480 AbstractCegarLoop]: Abstraction has 3595 states and 4327 transitions. [2018-11-28 18:44:03,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:44:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4327 transitions. [2018-11-28 18:44:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 18:44:03,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:03,456 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:03,457 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:03,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:03,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2067028488, now seen corresponding path program 1 times [2018-11-28 18:44:03,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:03,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:03,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:03,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:03,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 18:44:04,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:04,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:44:04,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:44:04,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:44:04,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:04,327 INFO L87 Difference]: Start difference. First operand 3595 states and 4327 transitions. Second operand 9 states. [2018-11-28 18:44:04,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:04,514 INFO L93 Difference]: Finished difference Result 4611 states and 5547 transitions. [2018-11-28 18:44:04,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:44:04,518 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-28 18:44:04,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:04,520 INFO L225 Difference]: With dead ends: 4611 [2018-11-28 18:44:04,521 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:04,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:04,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:04,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:04,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-28 18:44:04,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:04,534 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:04,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:44:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:04,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:04,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:04,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:04,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:04,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:04,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:04,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:04,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:04,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:04,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,188 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 61 [2018-11-28 18:44:05,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,738 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 75 [2018-11-28 18:44:05,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:05,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:06,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:07,388 WARN L180 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 88 DAG size of output: 18 [2018-11-28 18:44:07,511 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 1 [2018-11-28 18:44:07,785 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 22 [2018-11-28 18:44:09,363 WARN L180 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2018-11-28 18:44:09,972 WARN L180 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2018-11-28 18:44:10,445 WARN L180 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2018-11-28 18:44:10,739 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 1 [2018-11-28 18:44:12,111 WARN L180 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 68 DAG size of output: 25 [2018-11-28 18:44:12,570 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2018-11-28 18:44:12,759 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 31 [2018-11-28 18:44:12,915 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2018-11-28 18:44:13,053 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2018-11-28 18:44:13,325 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2018-11-28 18:44:13,738 WARN L180 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-11-28 18:44:13,978 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2018-11-28 18:44:14,171 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 28 [2018-11-28 18:44:14,402 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2018-11-28 18:44:14,530 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2018-11-28 18:44:14,777 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 34 [2018-11-28 18:44:14,918 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 20 [2018-11-28 18:44:15,615 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2018-11-28 18:44:16,083 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 34 [2018-11-28 18:44:16,299 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 35 [2018-11-28 18:44:16,409 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 20 [2018-11-28 18:44:17,082 WARN L180 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 18 [2018-11-28 18:44:17,938 WARN L180 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2018-11-28 18:44:18,204 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2018-11-28 18:44:18,350 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 1 [2018-11-28 18:44:18,548 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2018-11-28 18:44:18,553 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-11-28 18:44:18,553 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-11-28 18:44:18,553 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-11-28 18:44:18,553 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-11-28 18:44:18,554 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-11-28 18:44:18,554 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:18,554 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2018-11-28 18:44:18,554 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:18,554 INFO L444 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:18,555 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2018-11-28 18:44:18,555 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2018-11-28 18:44:18,555 INFO L448 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2018-11-28 18:44:18,555 INFO L444 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:18,555 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:18,555 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2018-11-28 18:44:18,555 INFO L444 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:18,556 INFO L444 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or (or .cse4 .cse0 .cse2) .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse6 .cse1) (or .cse5 .cse2 .cse1) (or .cse4 .cse5 .cse2))) [2018-11-28 18:44:18,556 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2018-11-28 18:44:18,556 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-11-28 18:44:18,556 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or .cse4 .cse5 .cse6 .cse2) (or (or .cse4 .cse0 .cse2) .cse3) (or .cse5 (or .cse4 .cse6 (not (= ~waterLevel~0 1)))) (or .cse5 .cse6 (< ~waterLevel~0 1) .cse1)))) [2018-11-28 18:44:18,556 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2018-11-28 18:44:18,556 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2018-11-28 18:44:18,556 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2018-11-28 18:44:18,556 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2018-11-28 18:44:18,556 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-11-28 18:44:18,557 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-11-28 18:44:18,557 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-11-28 18:44:18,557 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-11-28 18:44:18,557 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-11-28 18:44:18,557 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-11-28 18:44:18,557 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-11-28 18:44:18,557 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-11-28 18:44:18,557 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-11-28 18:44:18,557 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:18,557 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2018-11-28 18:44:18,558 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2018-11-28 18:44:18,558 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-28 18:44:18,558 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2018-11-28 18:44:18,558 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2018-11-28 18:44:18,558 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2018-11-28 18:44:18,558 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-28 18:44:18,558 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-11-28 18:44:18,558 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2018-11-28 18:44:18,559 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2018-11-28 18:44:18,559 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2018-11-28 18:44:18,559 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:18,559 INFO L448 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2018-11-28 18:44:18,559 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-11-28 18:44:18,559 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:18,559 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse2 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse0 .cse1) (or .cse5 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse0 .cse1))) [2018-11-28 18:44:18,559 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2018-11-28 18:44:18,560 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse5 .cse3) (or .cse4 .cse5 .cse1 .cse2))) [2018-11-28 18:44:18,560 INFO L448 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-11-28 18:44:18,560 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2018-11-28 18:44:18,560 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:44:18,560 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-28 18:44:18,560 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-28 18:44:18,560 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:44:18,560 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2018-11-28 18:44:18,560 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2018-11-28 18:44:18,560 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:18,561 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:18,561 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-28 18:44:18,561 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2018-11-28 18:44:18,561 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2018-11-28 18:44:18,561 INFO L444 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:18,561 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and .cse2 .cse3 (not (= ~systemActive~0 0)) .cse1) (and .cse3 (and .cse2 .cse0 .cse1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:18,561 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-28 18:44:18,562 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2018-11-28 18:44:18,562 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-11-28 18:44:18,562 INFO L444 ceAbstractionStarter]: At program point L249(lines 200 250) 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 18:44:18,562 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse1 .cse3) (and .cse5 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (and .cse4 .cse6 .cse3)))) [2018-11-28 18:44:18,562 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-11-28 18:44:18,562 INFO L444 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse5 .cse6 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:44:18,562 INFO L448 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2018-11-28 18:44:18,562 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2018-11-28 18:44:18,562 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2018-11-28 18:44:18,563 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:18,563 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2018-11-28 18:44:18,563 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2018-11-28 18:44:18,563 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:44:18,563 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-28 18:44:18,563 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:44:18,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:18,563 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:18,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:18,563 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:44:18,563 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2018-11-28 18:44:18,564 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2018-11-28 18:44:18,564 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-11-28 18:44:18,564 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:18,564 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:18,564 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-11-28 18:44:18,564 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2018-11-28 18:44:18,564 INFO L448 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2018-11-28 18:44:18,564 INFO L451 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-11-28 18:44:18,564 INFO L448 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2018-11-28 18:44:18,565 INFO L448 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-11-28 18:44:18,565 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2018-11-28 18:44:18,565 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2018-11-28 18:44:18,565 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:44:18,565 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (< ~waterLevel~0 1)) (or (or .cse0 (not (= ~waterLevel~0 1)) .cse1) .cse2) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-11-28 18:44:18,565 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:44:18,565 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2018-11-28 18:44:18,565 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2018-11-28 18:44:18,565 INFO L451 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2018-11-28 18:44:18,565 INFO L448 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2018-11-28 18:44:18,566 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-11-28 18:44:18,566 INFO L451 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2018-11-28 18:44:18,566 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-28 18:44:18,566 INFO L451 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2018-11-28 18:44:18,566 INFO L451 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-11-28 18:44:18,566 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-28 18:44:18,566 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse8)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse6 (and (not .cse2) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse8)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse1 .cse5 .cse6 .cse7) (or .cse5 .cse7 .cse6 .cse4)))) [2018-11-28 18:44:18,566 INFO L444 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (and .cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (= 0 ~pumpRunning~0) .cse9))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse1 .cse4 .cse5) .cse3) (or (and (not .cse6) .cse7) .cse3 (or .cse1 .cse2 .cse5)) (or .cse8 (or .cse0 .cse6 .cse2)) (or .cse3 (or .cse0 .cse1 .cse4)) (or (or .cse6 .cse2 .cse5) (and (not (= ~waterLevel~0 1)) .cse9) .cse8)))) [2018-11-28 18:44:18,567 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1)) (or (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) .cse0) (or (or .cse1 .cse4 .cse5) .cse0) (or (or .cse4 .cse5 .cse3) .cse0) (or .cse0 (or .cse2 .cse5 .cse3)))) [2018-11-28 18:44:18,567 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 1)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5) (or (or .cse4 .cse6) .cse5) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-11-28 18:44:18,567 INFO L448 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2018-11-28 18:44:18,567 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2018-11-28 18:44:18,567 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2018-11-28 18:44:18,567 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-28 18:44:18,567 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:44:18,567 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:44:18,568 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:18,568 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:44:18,568 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:44:18,568 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2018-11-28 18:44:18,568 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2018-11-28 18:44:18,568 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:18,568 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 18:44:18,568 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:44:18,568 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:18,568 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)))) (or .cse2 .cse3 (< ~waterLevel~0 1) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (or .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) .cse0))) [2018-11-28 18:44:18,569 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2018-11-28 18:44:18,569 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:44:18,569 INFO L448 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2018-11-28 18:44:18,569 INFO L444 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 (< ~waterLevel~0 1)) (or .cse0 .cse1 (<= ~waterLevel~0 1) .cse3 .cse2))) [2018-11-28 18:44:18,569 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 (and (<= 2 ~waterLevel~0) .cse3) .cse1 (< ~waterLevel~0 1)) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2)))) [2018-11-28 18:44:18,569 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2018-11-28 18:44:18,569 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)))) (or .cse2 .cse3 (< ~waterLevel~0 1) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (or .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) .cse0))) [2018-11-28 18:44:18,570 INFO L448 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-11-28 18:44:18,570 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2018-11-28 18:44:18,570 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:44:18,570 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:44:18,570 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< |old(~waterLevel~0)| 1) .cse2) (or (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) .cse0) (or .cse0 .cse1 (= ~systemActive~0 0) .cse3))) [2018-11-28 18:44:18,570 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2018-11-28 18:44:18,570 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2018-11-28 18:44:18,570 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2018-11-28 18:44:18,570 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2018-11-28 18:44:18,571 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2018-11-28 18:44:18,571 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2018-11-28 18:44:18,571 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-11-28 18:44:18,571 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-28 18:44:18,571 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2018-11-28 18:44:18,571 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2018-11-28 18:44:18,571 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< ~waterLevel~0 1))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or (or .cse1 .cse0) .cse2))) [2018-11-28 18:44:18,571 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-11-28 18:44:18,571 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (or (not (= 0 ~pumpRunning~0)) .cse0) (< ~waterLevel~0 1)))) [2018-11-28 18:44:18,571 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-28 18:44:18,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:44:18 BoogieIcfgContainer [2018-11-28 18:44:18,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:44:18,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:44:18,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:44:18,587 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:44:18,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:37" (3/4) ... [2018-11-28 18:44:18,592 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:44:18,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:44:18,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:44:18,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:44:18,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:44:18,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:44:18,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:44:18,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:44:18,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:44:18,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:44:18,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:44:18,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:44:18,612 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:44:18,613 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:44:18,613 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:44:18,614 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:44:18,614 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:44:18,615 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:44:18,656 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:18,656 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 18:44:18,748 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:44:18,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:44:18,749 INFO L168 Benchmark]: Toolchain (without parser) took 43039.96 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 481.3 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -50.2 MB). Peak memory consumption was 431.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:18,751 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 18:44:18,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:18,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:18,752 INFO L168 Benchmark]: Boogie Preprocessor took 43.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:18,753 INFO L168 Benchmark]: RCFGBuilder took 1215.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:18,755 INFO L168 Benchmark]: TraceAbstraction took 40783.08 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 336.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.8 MB). Peak memory consumption was 511.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:18,756 INFO L168 Benchmark]: Witness Printer took 161.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:18,758 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 767.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1215.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40783.08 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 336.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.8 MB). Peak memory consumption was 511.2 MB. Max. memory is 11.5 GB. * Witness Printer took 161.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 40.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 18.7s AutomataDifference, 0.0s DeadEndRemovalTime, 14.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2433 SDtfs, 2302 SDslu, 7443 SDs, 0 SdLazy, 4527 SolverSat, 1015 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 569 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3595occurred in iteration=11, 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: 1.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1266 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 5290 PreInvPairs, 5506 NumberOfFragments, 2145 HoareAnnotationTreeSize, 5290 FomulaSimplifications, 19321 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 66 FomulaSimplificationsInter, 24419 FormulaSimplificationTreeSizeReductionInter, 12.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1543 NumberOfCodeBlocks, 1543 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1528 ConstructedInterpolants, 0 QuantifiedInterpolants, 293862 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2501 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 183/193 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...