./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer --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 8271090c98217a098933d4a7a6aa5b00a536c5c8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:09:23,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:09:23,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:09:23,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:09:23,659 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:09:23,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:09:23,661 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:09:23,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:09:23,663 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:09:23,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:09:23,664 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:09:23,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:09:23,665 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:09:23,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:09:23,666 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:09:23,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:09:23,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:09:23,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:09:23,670 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:09:23,671 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:09:23,672 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:09:23,673 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:09:23,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:09:23,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:09:23,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:09:23,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:09:23,676 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:09:23,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:09:23,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:09:23,677 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:09:23,677 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:09:23,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:09:23,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:09:23,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:09:23,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:09:23,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:09:23,678 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 11:09:23,685 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:09:23,685 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:09:23,686 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:09:23,686 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 11:09:23,686 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:09:23,686 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:09:23,686 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:09:23,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:09:23,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:09:23,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:09:23,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:09:23,687 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:09:23,688 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 11:09:23,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:09:23,688 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:09:23,688 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:09:23,688 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:09:23,688 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 11:09:23,688 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:09:23,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:09:23,688 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer 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 -> 8271090c98217a098933d4a7a6aa5b00a536c5c8 [2018-12-08 11:09:23,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:09:23,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:09:23,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:09:23,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:09:23,718 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:09:23,719 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-08 11:09:23,763 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/data/9075d2d9a/350dcb724f64411280fa615c3c18b038/FLAGb2407e282 [2018-12-08 11:09:24,092 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:09:24,093 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-08 11:09:24,099 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/data/9075d2d9a/350dcb724f64411280fa615c3c18b038/FLAGb2407e282 [2018-12-08 11:09:24,108 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/data/9075d2d9a/350dcb724f64411280fa615c3c18b038 [2018-12-08 11:09:24,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:09:24,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:09:24,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:09:24,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:09:24,114 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:09:24,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24, skipping insertion in model container [2018-12-08 11:09:24,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:09:24,145 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:09:24,303 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:09:24,350 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:09:24,390 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:09:24,405 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:09:24,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24 WrapperNode [2018-12-08 11:09:24,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:09:24,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:09:24,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:09:24,406 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:09:24,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:09:24,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:09:24,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:09:24,425 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:09:24,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... [2018-12-08 11:09:24,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:09:24,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:09:24,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:09:24,447 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:09:24,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:09:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 11:09:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 11:09:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 11:09:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 11:09:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:09:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 11:09:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 11:09:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 11:09:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 11:09:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 11:09:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 11:09:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 11:09:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 11:09:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 11:09:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 11:09:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 11:09:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 11:09:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 11:09:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 11:09:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 11:09:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 11:09:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 11:09:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 11:09:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 11:09:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 11:09:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 11:09:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 11:09:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 11:09:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 11:09:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 11:09:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 11:09:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 11:09:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 11:09:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 11:09:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 11:09:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:09:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:09:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 11:09:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 11:09:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 11:09:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 11:09:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 11:09:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 11:09:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 11:09:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 11:09:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-08 11:09:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-08 11:09:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 11:09:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 11:09:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 11:09:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 11:09:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 11:09:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:09:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:09:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 11:09:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 11:09:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:09:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:09:24,796 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:09:24,796 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 11:09:24,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:09:24 BoogieIcfgContainer [2018-12-08 11:09:24,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:09:24,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 11:09:24,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 11:09:24,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 11:09:24,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:09:24" (1/3) ... [2018-12-08 11:09:24,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a37f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:09:24, skipping insertion in model container [2018-12-08 11:09:24,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:09:24" (2/3) ... [2018-12-08 11:09:24,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a37f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:09:24, skipping insertion in model container [2018-12-08 11:09:24,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:09:24" (3/3) ... [2018-12-08 11:09:24,803 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-08 11:09:24,811 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 11:09:24,818 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 11:09:24,830 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 11:09:24,847 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:09:24,848 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 11:09:24,848 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 11:09:24,848 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 11:09:24,848 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:09:24,848 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:09:24,848 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 11:09:24,848 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:09:24,848 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 11:09:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-12-08 11:09:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 11:09:24,870 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:24,870 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:24,872 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:24,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:24,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1860578828, now seen corresponding path program 1 times [2018-12-08 11:09:24,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:24,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:24,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:24,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:24,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:25,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:25,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 11:09:25,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 11:09:25,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 11:09:25,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:09:25,057 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-12-08 11:09:25,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:25,079 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-12-08 11:09:25,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 11:09:25,080 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-08 11:09:25,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:25,086 INFO L225 Difference]: With dead ends: 272 [2018-12-08 11:09:25,087 INFO L226 Difference]: Without dead ends: 136 [2018-12-08 11:09:25,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:09:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-08 11:09:25,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-08 11:09:25,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-08 11:09:25,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 161 transitions. [2018-12-08 11:09:25,118 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 161 transitions. Word has length 52 [2018-12-08 11:09:25,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:25,118 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 161 transitions. [2018-12-08 11:09:25,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 11:09:25,118 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2018-12-08 11:09:25,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 11:09:25,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:25,120 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:25,120 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:25,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:25,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1322586247, now seen corresponding path program 1 times [2018-12-08 11:09:25,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:25,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:25,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:25,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:25,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:25,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:09:25,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:09:25,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:09:25,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:09:25,172 INFO L87 Difference]: Start difference. First operand 136 states and 161 transitions. Second operand 3 states. [2018-12-08 11:09:25,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:25,189 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2018-12-08 11:09:25,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:09:25,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 11:09:25,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:25,192 INFO L225 Difference]: With dead ends: 221 [2018-12-08 11:09:25,192 INFO L226 Difference]: Without dead ends: 127 [2018-12-08 11:09:25,193 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:09:25,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-08 11:09:25,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-08 11:09:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-08 11:09:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2018-12-08 11:09:25,204 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 53 [2018-12-08 11:09:25,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:25,205 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2018-12-08 11:09:25,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:09:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2018-12-08 11:09:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 11:09:25,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:25,206 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:25,207 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:25,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:25,207 INFO L82 PathProgramCache]: Analyzing trace with hash 462616749, now seen corresponding path program 1 times [2018-12-08 11:09:25,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:25,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:25,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:25,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:25,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:25,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:09:25,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:09:25,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:09:25,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:09:25,253 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand 3 states. [2018-12-08 11:09:25,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:25,265 INFO L93 Difference]: Finished difference Result 230 states and 275 transitions. [2018-12-08 11:09:25,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:09:25,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-08 11:09:25,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:25,266 INFO L225 Difference]: With dead ends: 230 [2018-12-08 11:09:25,266 INFO L226 Difference]: Without dead ends: 127 [2018-12-08 11:09:25,267 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:09:25,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-08 11:09:25,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-08 11:09:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-08 11:09:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-12-08 11:09:25,278 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 57 [2018-12-08 11:09:25,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:25,279 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-12-08 11:09:25,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:09:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-12-08 11:09:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 11:09:25,281 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:25,281 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:25,282 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:25,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:25,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1347282160, now seen corresponding path program 1 times [2018-12-08 11:09:25,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:25,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:25,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:25,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:25,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:25,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:09:25,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:09:25,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:09:25,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:09:25,359 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 5 states. [2018-12-08 11:09:25,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:25,730 INFO L93 Difference]: Finished difference Result 343 states and 414 transitions. [2018-12-08 11:09:25,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 11:09:25,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 11:09:25,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:25,733 INFO L225 Difference]: With dead ends: 343 [2018-12-08 11:09:25,733 INFO L226 Difference]: Without dead ends: 240 [2018-12-08 11:09:25,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:09:25,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-12-08 11:09:25,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 222. [2018-12-08 11:09:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-12-08 11:09:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 254 transitions. [2018-12-08 11:09:25,757 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 254 transitions. Word has length 70 [2018-12-08 11:09:25,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:25,757 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 254 transitions. [2018-12-08 11:09:25,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:09:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 254 transitions. [2018-12-08 11:09:25,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 11:09:25,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:25,759 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:25,760 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:25,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:25,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1274279089, now seen corresponding path program 1 times [2018-12-08 11:09:25,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:25,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:25,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:25,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:25,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:25,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:09:25,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:09:25,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:09:25,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:09:25,829 INFO L87 Difference]: Start difference. First operand 222 states and 254 transitions. Second operand 6 states. [2018-12-08 11:09:25,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:25,969 INFO L93 Difference]: Finished difference Result 546 states and 657 transitions. [2018-12-08 11:09:25,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 11:09:25,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-08 11:09:25,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:25,972 INFO L225 Difference]: With dead ends: 546 [2018-12-08 11:09:25,972 INFO L226 Difference]: Without dead ends: 348 [2018-12-08 11:09:25,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:09:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-12-08 11:09:25,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 344. [2018-12-08 11:09:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-12-08 11:09:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 400 transitions. [2018-12-08 11:09:25,989 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 400 transitions. Word has length 84 [2018-12-08 11:09:25,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:25,989 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 400 transitions. [2018-12-08 11:09:25,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:09:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 400 transitions. [2018-12-08 11:09:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 11:09:25,990 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:25,990 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:25,990 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:25,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:25,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1982194633, now seen corresponding path program 1 times [2018-12-08 11:09:25,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:25,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:25,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:25,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:25,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:26,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:26,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:09:26,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:09:26,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:09:26,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:09:26,062 INFO L87 Difference]: Start difference. First operand 344 states and 400 transitions. Second operand 6 states. [2018-12-08 11:09:26,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:26,194 INFO L93 Difference]: Finished difference Result 735 states and 889 transitions. [2018-12-08 11:09:26,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:09:26,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 11:09:26,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:26,197 INFO L225 Difference]: With dead ends: 735 [2018-12-08 11:09:26,197 INFO L226 Difference]: Without dead ends: 537 [2018-12-08 11:09:26,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:09:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-12-08 11:09:26,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 519. [2018-12-08 11:09:26,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-12-08 11:09:26,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 617 transitions. [2018-12-08 11:09:26,217 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 617 transitions. Word has length 88 [2018-12-08 11:09:26,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:26,218 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 617 transitions. [2018-12-08 11:09:26,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:09:26,218 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 617 transitions. [2018-12-08 11:09:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 11:09:26,219 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:26,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:26,219 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:26,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:26,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1059511050, now seen corresponding path program 1 times [2018-12-08 11:09:26,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:26,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:26,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:26,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:26,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:26,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:26,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:09:26,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:09:26,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:09:26,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:09:26,262 INFO L87 Difference]: Start difference. First operand 519 states and 617 transitions. Second operand 5 states. [2018-12-08 11:09:26,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:26,283 INFO L93 Difference]: Finished difference Result 902 states and 1094 transitions. [2018-12-08 11:09:26,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 11:09:26,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-08 11:09:26,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:26,285 INFO L225 Difference]: With dead ends: 902 [2018-12-08 11:09:26,285 INFO L226 Difference]: Without dead ends: 529 [2018-12-08 11:09:26,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:09:26,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-12-08 11:09:26,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2018-12-08 11:09:26,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-12-08 11:09:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 620 transitions. [2018-12-08 11:09:26,303 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 620 transitions. Word has length 88 [2018-12-08 11:09:26,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:26,303 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 620 transitions. [2018-12-08 11:09:26,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:09:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 620 transitions. [2018-12-08 11:09:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 11:09:26,304 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:26,305 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:26,305 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:26,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:26,305 INFO L82 PathProgramCache]: Analyzing trace with hash 215505548, now seen corresponding path program 1 times [2018-12-08 11:09:26,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:26,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:26,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:26,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:26,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:26,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:26,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 11:09:26,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 11:09:26,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 11:09:26,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:09:26,363 INFO L87 Difference]: Start difference. First operand 523 states and 620 transitions. Second operand 9 states. [2018-12-08 11:09:26,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:26,399 INFO L93 Difference]: Finished difference Result 1039 states and 1258 transitions. [2018-12-08 11:09:26,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 11:09:26,400 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-08 11:09:26,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:26,401 INFO L225 Difference]: With dead ends: 1039 [2018-12-08 11:09:26,401 INFO L226 Difference]: Without dead ends: 540 [2018-12-08 11:09:26,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:09:26,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-12-08 11:09:26,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 530. [2018-12-08 11:09:26,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-12-08 11:09:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 627 transitions. [2018-12-08 11:09:26,418 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 627 transitions. Word has length 88 [2018-12-08 11:09:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:26,419 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 627 transitions. [2018-12-08 11:09:26,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:09:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 627 transitions. [2018-12-08 11:09:26,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 11:09:26,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:26,420 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:26,420 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:26,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:26,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1682882973, now seen corresponding path program 1 times [2018-12-08 11:09:26,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:26,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:26,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:26,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:26,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:09:26,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:09:26,478 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 11:09:26,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:26,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:09:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:09:26,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 11:09:26,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-08 11:09:26,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 11:09:26,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 11:09:26,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-08 11:09:26,650 INFO L87 Difference]: Start difference. First operand 530 states and 627 transitions. Second operand 14 states. [2018-12-08 11:09:27,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:27,216 INFO L93 Difference]: Finished difference Result 1427 states and 1749 transitions. [2018-12-08 11:09:27,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 11:09:27,217 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2018-12-08 11:09:27,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:27,219 INFO L225 Difference]: With dead ends: 1427 [2018-12-08 11:09:27,219 INFO L226 Difference]: Without dead ends: 921 [2018-12-08 11:09:27,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-08 11:09:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2018-12-08 11:09:27,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 918. [2018-12-08 11:09:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2018-12-08 11:09:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1078 transitions. [2018-12-08 11:09:27,247 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1078 transitions. Word has length 100 [2018-12-08 11:09:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:27,247 INFO L480 AbstractCegarLoop]: Abstraction has 918 states and 1078 transitions. [2018-12-08 11:09:27,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 11:09:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1078 transitions. [2018-12-08 11:09:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 11:09:27,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:27,249 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:27,249 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:27,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:27,249 INFO L82 PathProgramCache]: Analyzing trace with hash -506496737, now seen corresponding path program 1 times [2018-12-08 11:09:27,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:27,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:27,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:27,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:27,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:09:27,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:27,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 11:09:27,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 11:09:27,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 11:09:27,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:09:27,312 INFO L87 Difference]: Start difference. First operand 918 states and 1078 transitions. Second operand 10 states. [2018-12-08 11:09:27,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:27,436 INFO L93 Difference]: Finished difference Result 1786 states and 2128 transitions. [2018-12-08 11:09:27,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 11:09:27,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-08 11:09:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:27,438 INFO L225 Difference]: With dead ends: 1786 [2018-12-08 11:09:27,438 INFO L226 Difference]: Without dead ends: 892 [2018-12-08 11:09:27,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:09:27,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-12-08 11:09:27,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 876. [2018-12-08 11:09:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-12-08 11:09:27,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1027 transitions. [2018-12-08 11:09:27,463 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1027 transitions. Word has length 104 [2018-12-08 11:09:27,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:27,464 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1027 transitions. [2018-12-08 11:09:27,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 11:09:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1027 transitions. [2018-12-08 11:09:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 11:09:27,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:27,465 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:09:27,465 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:27,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:27,465 INFO L82 PathProgramCache]: Analyzing trace with hash 904531589, now seen corresponding path program 1 times [2018-12-08 11:09:27,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:27,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:27,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:27,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:27,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:09:27,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:09:27,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 11:09:27,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 11:09:27,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 11:09:27,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:09:27,520 INFO L87 Difference]: Start difference. First operand 876 states and 1027 transitions. Second operand 10 states. [2018-12-08 11:09:27,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:27,715 INFO L93 Difference]: Finished difference Result 1734 states and 2036 transitions. [2018-12-08 11:09:27,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 11:09:27,715 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-08 11:09:27,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:27,717 INFO L225 Difference]: With dead ends: 1734 [2018-12-08 11:09:27,717 INFO L226 Difference]: Without dead ends: 882 [2018-12-08 11:09:27,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:09:27,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2018-12-08 11:09:27,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 846. [2018-12-08 11:09:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-12-08 11:09:27,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 961 transitions. [2018-12-08 11:09:27,753 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 961 transitions. Word has length 104 [2018-12-08 11:09:27,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:27,754 INFO L480 AbstractCegarLoop]: Abstraction has 846 states and 961 transitions. [2018-12-08 11:09:27,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 11:09:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 961 transitions. [2018-12-08 11:09:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 11:09:27,755 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:09:27,755 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-12-08 11:09:27,756 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:09:27,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:09:27,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1706973843, now seen corresponding path program 1 times [2018-12-08 11:09:27,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:09:27,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:09:27,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:27,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:27,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:09:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 11:09:27,807 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:09:27,807 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 11:09:27,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:09:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:09:27,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:09:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 11:09:28,033 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:09:28,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 14 [2018-12-08 11:09:28,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 11:09:28,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 11:09:28,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-08 11:09:28,034 INFO L87 Difference]: Start difference. First operand 846 states and 961 transitions. Second operand 14 states. [2018-12-08 11:09:28,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:09:28,758 INFO L93 Difference]: Finished difference Result 2035 states and 2623 transitions. [2018-12-08 11:09:28,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 11:09:28,758 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2018-12-08 11:09:28,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:09:28,758 INFO L225 Difference]: With dead ends: 2035 [2018-12-08 11:09:28,758 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 11:09:28,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-12-08 11:09:28,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 11:09:28,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 11:09:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 11:09:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 11:09:28,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2018-12-08 11:09:28,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:09:28,761 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:09:28,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 11:09:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 11:09:28,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:09:28,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 11:09:28,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:28,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:09:29,538 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2018-12-08 11:09:29,807 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2018-12-08 11:09:29,993 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2018-12-08 11:09:30,183 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2018-12-08 11:09:30,532 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2018-12-08 11:09:30,649 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-12-08 11:09:31,692 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-12-08 11:09:31,800 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 559 565) the Hoare annotation is: true [2018-12-08 11:09:31,800 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 559 565) no Hoare annotation was computed. [2018-12-08 11:09:31,800 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 566 574) no Hoare annotation was computed. [2018-12-08 11:09:31,800 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 566 574) the Hoare annotation is: true [2018-12-08 11:09:31,800 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 566 574) no Hoare annotation was computed. [2018-12-08 11:09:31,800 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,800 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2018-12-08 11:09:31,800 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,801 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2018-12-08 11:09:31,801 INFO L448 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2018-12-08 11:09:31,801 INFO L448 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,801 INFO L448 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2018-12-08 11:09:31,801 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 337) no Hoare annotation was computed. [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 316 340) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse8 .cse3 .cse4))) [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse5 .cse4))) [2018-12-08 11:09:31,801 INFO L448 ceAbstractionStarter]: For program point L335-1(lines 316 340) no Hoare annotation was computed. [2018-12-08 11:09:31,801 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 316 340) no Hoare annotation was computed. [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~2) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse5 .cse4))) [2018-12-08 11:09:31,801 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse9 (= processEnvironment__wrappee__methaneQuery_~tmp~2 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse9 (<= ~waterLevel~0 1))) (.cse7 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse8 .cse4 .cse3) (or .cse6 .cse0 .cse5 .cse8 .cse7 .cse3)))) [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 332) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L444 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse4 .cse3) (or .cse0 .cse6 .cse5 .cse7 .cse3))) [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 411 419) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 411 419) the Hoare annotation is: true [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 411 419) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 552 558) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 552 558) the Hoare annotation is: true [2018-12-08 11:09:31,802 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 400 410) the Hoare annotation is: true [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 400 410) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 400 410) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L451 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 392 399) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 392 399) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 392 399) no Hoare annotation was computed. [2018-12-08 11:09:31,802 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 358) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L444 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 363) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 342 366) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 342 366) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse8 .cse3 .cse4))) [2018-12-08 11:09:31,803 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse4 .cse3) (or .cse0 .cse6 .cse5 .cse7 .cse3))) [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point L361-1(lines 342 366) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 172) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 162 175) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 162 175) the Hoare annotation is: true [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 162 175) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 308 314) no Hoare annotation was computed. [2018-12-08 11:09:31,803 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 308 314) the Hoare annotation is: true [2018-12-08 11:09:31,803 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 476 539) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,803 INFO L444 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse0 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse2 .cse3) (< ~systemActive~0 1))) [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 476 539) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L444 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse1 .cse5 .cse3) (and .cse0 .cse6 .cse4 .cse3) (< ~systemActive~0 1))) [2018-12-08 11:09:31,804 INFO L444 ceAbstractionStarter]: At program point L529(lines 486 531) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse1 .cse5 .cse3) (and .cse0 .cse6 .cse4 .cse3) (< ~systemActive~0 1))) [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L444 ceAbstractionStarter]: At program point L532(lines 485 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 526) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L444 ceAbstractionStarter]: At program point L522-2(lines 516 527) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse0 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse2 .cse3) (< ~systemActive~0 1))) [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point L487(lines 486 531) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 527) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 476 539) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 367 374) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (< ~systemActive~0 1)) [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 367 374) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 367 374) no Hoare annotation was computed. [2018-12-08 11:09:31,804 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point L386-1(lines 375 391) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 388) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 375 391) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 375 391) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 11:09:31,805 INFO L444 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~systemActive~0 1))) (and (or .cse0 (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 153 161) the Hoare annotation is: true [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 153 161) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 153 161) no Hoare annotation was computed. [2018-12-08 11:09:31,805 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2018-12-08 11:09:31,806 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 109 120) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (< 2 ~waterLevel~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (< ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse4 .cse3 .cse2) (or .cse6 (or .cse1 .cse7 .cse2) .cse3) (or .cse6 .cse5 .cse3 .cse7 .cse2))) [2018-12-08 11:09:31,806 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 109 120) no Hoare annotation was computed. [2018-12-08 11:09:31,806 INFO L448 ceAbstractionStarter]: For program point L288(lines 287 306) no Hoare annotation was computed. [2018-12-08 11:09:31,806 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 284 307) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 2)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~pumpRunning~0 1)) (.cse5 (or .cse7 .cse3 .cse4)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (and (= 0 ~pumpRunning~0) .cse11)) (.cse8 (< 2 |old(~waterLevel~0)|)) (.cse12 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5) (or (or .cse6 .cse7 .cse4) .cse8 (and .cse2 .cse9)) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse10 .cse1 .cse8 .cse3 .cse4) (or (and .cse11 .cse9) .cse5 .cse8) (or .cse6 .cse12 .cse7 .cse13 .cse4) (or .cse12 .cse7 .cse13 .cse3 .cse4) (or .cse6 .cse1 .cse13 .cse4 .cse12) (or .cse6 .cse1 .cse10 .cse8 .cse4) (or .cse12 .cse1 .cse13 .cse3 .cse4)))) [2018-12-08 11:09:31,806 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 284 307) no Hoare annotation was computed. [2018-12-08 11:09:31,806 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse8 (and .cse2 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse11 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 2))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse6 .cse4) .cse7 .cse8) (or .cse5 .cse6 .cse9 .cse4 .cse10) (or (or .cse6 .cse3 .cse4) .cse7 .cse8) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse11 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse1 .cse9 .cse4 .cse12) (or .cse5 .cse1 .cse11 .cse7 .cse4) (or .cse6 .cse10 .cse9 .cse3 .cse4) (or .cse12 .cse1 .cse9 .cse3 .cse4)))) [2018-12-08 11:09:31,806 INFO L444 ceAbstractionStarter]: At program point L295(lines 295 301) the Hoare annotation is: (let ((.cse13 (= 0 ~pumpRunning~0)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (<= ~waterLevel~0 1)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse10 .cse14 .cse12)) (.cse0 (and .cse10 .cse13 .cse14)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse11 (= 1 ~waterLevel~0)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse8 .cse3) (or .cse6 .cse1 .cse2 .cse7 .cse3) (or .cse1 (< 1 |old(~waterLevel~0)|) .cse9 .cse10 .cse3) (or .cse0 (or .cse2 .cse8 .cse3) .cse4 .cse5) (or .cse1 .cse9 .cse7 .cse3 .cse11) (or .cse9 .cse4 .cse0 (and .cse10 .cse12) .cse8 .cse3) (or .cse1 .cse9 (and .cse13 (<= ~waterLevel~0 2)) .cse4 .cse3) (or .cse11 .cse9 .cse7 .cse8 .cse3)))) [2018-12-08 11:09:31,806 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 284 307) no Hoare annotation was computed. [2018-12-08 11:09:31,806 INFO L444 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: (let ((.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~systemActive~0 1))) (let ((.cse0 (or .cse8 .cse5 .cse6)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= ~pumpRunning~0 1)) (.cse9 (= 1 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 2) .cse2)) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse0) (or .cse4 .cse1 .cse5 .cse6) (or (or .cse7 .cse8 .cse6) (and .cse3 .cse2) .cse1) (or .cse8 .cse9 .cse10 .cse5 .cse6) (or .cse7 .cse9 .cse8 .cse10 .cse6) (or .cse7 .cse4 .cse1 .cse6)))) [2018-12-08 11:09:31,806 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-12-08 11:09:31,806 INFO L451 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2018-12-08 11:09:31,806 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2018-12-08 11:09:31,806 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 11:09:31,806 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2018-12-08 11:09:31,806 INFO L451 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2018-12-08 11:09:31,807 INFO L451 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L451 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 121 129) the Hoare annotation is: true [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 121 129) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 121 129) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< ~systemActive~0 1))) (and (or .cse0 .cse1 (< 2 ~waterLevel~0) .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse3 .cse1 .cse5 .cse2) (or .cse3 .cse4 .cse5 .cse2))) [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-12-08 11:09:31,807 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< ~systemActive~0 1))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse1))) [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-12-08 11:09:31,807 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-12-08 11:09:31,807 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse5 .cse3))) [2018-12-08 11:09:31,808 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 85 96) the Hoare annotation is: (let ((.cse4 (< ~systemActive~0 1))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse7 (or (= 0 ~pumpRunning~0) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse4) (or .cse5 (< 1 |old(~waterLevel~0)|) .cse0 .cse6 .cse7) (or .cse8 .cse0 .cse6 .cse3 .cse7) (or .cse5 (<= ~waterLevel~0 2) .cse8 .cse0 .cse7)))) [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 85 96) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 85 96) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) [2018-12-08 11:09:31,808 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 97 108) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 97 108) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 97 108) the Hoare annotation is: (let ((.cse4 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse4 .cse5 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse7 .cse1 .cse8 .cse3) (or .cse7 .cse1 .cse8 .cse6 .cse3) (or .cse0 .cse1 (<= ~waterLevel~0 2) .cse9 .cse3) (or .cse7 (or .cse0 .cse5 .cse3) .cse8) (or .cse9 .cse5 .cse6 .cse8 .cse3))) [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 576 583) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-12-08 11:09:31,808 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2018-12-08 11:09:31,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:09:31 BoogieIcfgContainer [2018-12-08 11:09:31,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 11:09:31,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:09:31,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:09:31,816 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:09:31,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:09:24" (3/4) ... [2018-12-08 11:09:31,819 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 11:09:31,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 11:09:31,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 11:09:31,829 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 11:09:31,829 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 11:09:31,829 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 11:09:31,829 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 11:09:31,830 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 11:09:31,830 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 11:09:31,847 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0)) || systemActive < 1 [2018-12-08 11:09:31,847 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1 [2018-12-08 11:09:31,868 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_435f98df-221a-4798-9da2-079c953bbd69/bin-2019/uautomizer/witness.graphml [2018-12-08 11:09:31,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:09:31,868 INFO L168 Benchmark]: Toolchain (without parser) took 7757.30 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.8 MB). Free memory was 950.6 MB in the beginning and 868.5 MB in the end (delta: 82.1 MB). Peak memory consumption was 381.0 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:31,869 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:09:31,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -128.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:31,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:09:31,869 INFO L168 Benchmark]: Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:31,869 INFO L168 Benchmark]: RCFGBuilder took 350.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:31,869 INFO L168 Benchmark]: TraceAbstraction took 7018.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 209.2 MB). Free memory was 1.0 GB in the beginning and 879.2 MB in the end (delta: 145.2 MB). Peak memory consumption was 354.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:31,869 INFO L168 Benchmark]: Witness Printer took 51.80 ms. Allocated memory is still 1.3 GB. Free memory was 879.2 MB in the beginning and 868.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:09:31,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -128.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 350.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7018.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 209.2 MB). Free memory was 1.0 GB in the beginning and 879.2 MB in the end (delta: 145.2 MB). Peak memory consumption was 354.7 MB. Max. memory is 11.5 GB. * Witness Printer took 51.80 ms. Allocated memory is still 1.3 GB. Free memory was 879.2 MB in the beginning and 868.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 485]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0)) || systemActive < 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 6.9s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2109 SDtfs, 1396 SDslu, 7906 SDs, 0 SdLazy, 2990 SolverSat, 505 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 383 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=918occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 111 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2551 PreInvPairs, 2864 NumberOfFragments, 2925 HoareAnnotationTreeSize, 2551 FomulaSimplifications, 5598 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 14858 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1290 NumberOfCodeBlocks, 1290 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1276 ConstructedInterpolants, 0 QuantifiedInterpolants, 218725 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1590 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 87/100 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...