./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf8906b0b730189db64c3dc46780e4460503fe36 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:45:46,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:46,539 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:46,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:46,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:46,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:46,555 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:46,557 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:46,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:46,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:46,561 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:46,561 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:46,562 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:46,564 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:46,565 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:46,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:46,567 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:46,568 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:46,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:46,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:46,574 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:46,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:46,578 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:46,579 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:46,579 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:46,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:46,582 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:46,582 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:46,583 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:46,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:46,585 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:46,586 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:46,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:46,586 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:46,588 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:46,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:46,589 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:46,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:46,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:46,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:46,607 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:46,608 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:46,608 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:46,608 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:46,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:46,609 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:46,609 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:46,609 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:46,609 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:46,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:46,611 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:46,611 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:46,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:46,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:46,612 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:46,612 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:46,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:46,612 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:46,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:46,612 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:46,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:46,613 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:46,613 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:46,613 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:46,613 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:46,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:46,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:46,616 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf8906b0b730189db64c3dc46780e4460503fe36 [2018-11-28 18:45:46,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:46,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:46,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:46,672 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:46,673 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:46,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:46,746 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c845b521c/ff5cfa1b7b594cb9b8a8762cab08b4fd/FLAG4afee7ebf [2018-11-28 18:45:47,260 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:47,260 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:47,276 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c845b521c/ff5cfa1b7b594cb9b8a8762cab08b4fd/FLAG4afee7ebf [2018-11-28 18:45:47,535 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c845b521c/ff5cfa1b7b594cb9b8a8762cab08b4fd [2018-11-28 18:45:47,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:47,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:47,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:47,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:47,547 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:47,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:47" (1/1) ... [2018-11-28 18:45:47,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96d1a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:47, skipping insertion in model container [2018-11-28 18:45:47,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:47" (1/1) ... [2018-11-28 18:45:47,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:47,622 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:47,979 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:47,995 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:48,128 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:48,259 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:48,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48 WrapperNode [2018-11-28 18:45:48,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:48,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:48,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:48,262 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:48,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:48,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:48,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:48,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:48,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... [2018-11-28 18:45:48,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:48,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:48,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:48,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:48,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:45:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:45:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:45:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:45:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:45:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:45:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:45:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:45:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:49,576 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:49,576 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:49,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:49 BoogieIcfgContainer [2018-11-28 18:45:49,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:49,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:49,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:49,582 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:49,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:47" (1/3) ... [2018-11-28 18:45:49,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691dbc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:49, skipping insertion in model container [2018-11-28 18:45:49,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:48" (2/3) ... [2018-11-28 18:45:49,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691dbc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:49, skipping insertion in model container [2018-11-28 18:45:49,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:49" (3/3) ... [2018-11-28 18:45:49,587 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:49,604 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:49,617 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:49,637 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:49,680 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:49,681 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:49,681 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:49,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:49,684 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:49,685 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:49,685 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:49,685 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:49,685 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-11-28 18:45:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:49,732 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:49,733 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:49,736 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:49,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:49,743 INFO L82 PathProgramCache]: Analyzing trace with hash -545221410, now seen corresponding path program 1 times [2018-11-28 18:45:49,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:49,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:49,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:49,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:49,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:50,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:50,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:50,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:50,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:50,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:50,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:50,129 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-11-28 18:45:50,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:50,185 INFO L93 Difference]: Finished difference Result 298 states and 371 transitions. [2018-11-28 18:45:50,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:50,187 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:45:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:50,202 INFO L225 Difference]: With dead ends: 298 [2018-11-28 18:45:50,202 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 18:45:50,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:50,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 18:45:50,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 18:45:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 18:45:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2018-11-28 18:45:50,275 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2018-11-28 18:45:50,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:50,275 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2018-11-28 18:45:50,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2018-11-28 18:45:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:45:50,280 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:50,280 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:50,281 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:50,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:50,281 INFO L82 PathProgramCache]: Analyzing trace with hash 777859075, now seen corresponding path program 1 times [2018-11-28 18:45:50,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:50,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:50,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:50,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:50,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:50,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:50,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:50,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:50,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:50,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:50,521 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 3 states. [2018-11-28 18:45:50,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:50,581 INFO L93 Difference]: Finished difference Result 247 states and 293 transitions. [2018-11-28 18:45:50,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:50,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:45:50,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:50,588 INFO L225 Difference]: With dead ends: 247 [2018-11-28 18:45:50,588 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 18:45:50,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:50,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 18:45:50,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 18:45:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 18:45:50,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-11-28 18:45:50,623 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2018-11-28 18:45:50,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:50,623 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-11-28 18:45:50,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-11-28 18:45:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:45:50,632 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:50,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:50,633 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:50,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:50,634 INFO L82 PathProgramCache]: Analyzing trace with hash -2066705485, now seen corresponding path program 1 times [2018-11-28 18:45:50,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:50,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:50,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:50,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:50,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:50,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:50,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:50,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:50,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:50,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:50,908 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 7 states. [2018-11-28 18:45:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:52,061 INFO L93 Difference]: Finished difference Result 256 states and 307 transitions. [2018-11-28 18:45:52,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:52,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:45:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:52,067 INFO L225 Difference]: With dead ends: 256 [2018-11-28 18:45:52,067 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 18:45:52,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:52,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 18:45:52,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 18:45:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 18:45:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-11-28 18:45:52,085 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2018-11-28 18:45:52,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:52,085 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-11-28 18:45:52,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-11-28 18:45:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-28 18:45:52,089 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:52,090 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] [2018-11-28 18:45:52,090 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:52,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:52,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1264660501, now seen corresponding path program 1 times [2018-11-28 18:45:52,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:52,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:52,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:52,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:52,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:52,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:52,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:52,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:52,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:52,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:52,321 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 5 states. [2018-11-28 18:45:53,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:53,658 INFO L93 Difference]: Finished difference Result 370 states and 449 transitions. [2018-11-28 18:45:53,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:53,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-28 18:45:53,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:53,661 INFO L225 Difference]: With dead ends: 370 [2018-11-28 18:45:53,662 INFO L226 Difference]: Without dead ends: 254 [2018-11-28 18:45:53,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-28 18:45:53,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 236. [2018-11-28 18:45:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-28 18:45:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 269 transitions. [2018-11-28 18:45:53,698 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 269 transitions. Word has length 75 [2018-11-28 18:45:53,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:53,699 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 269 transitions. [2018-11-28 18:45:53,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 269 transitions. [2018-11-28 18:45:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:45:53,702 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:53,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:53,702 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:53,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:53,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1026428278, now seen corresponding path program 1 times [2018-11-28 18:45:53,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:53,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:53,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:53,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:54,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:54,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:54,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:54,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:54,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:54,101 INFO L87 Difference]: Start difference. First operand 236 states and 269 transitions. Second operand 6 states. [2018-11-28 18:45:54,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:54,503 INFO L93 Difference]: Finished difference Result 567 states and 680 transitions. [2018-11-28 18:45:54,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:54,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 18:45:54,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:54,510 INFO L225 Difference]: With dead ends: 567 [2018-11-28 18:45:54,510 INFO L226 Difference]: Without dead ends: 355 [2018-11-28 18:45:54,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-11-28 18:45:54,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2018-11-28 18:45:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-11-28 18:45:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 406 transitions. [2018-11-28 18:45:54,551 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 406 transitions. Word has length 89 [2018-11-28 18:45:54,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:54,551 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 406 transitions. [2018-11-28 18:45:54,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:54,552 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 406 transitions. [2018-11-28 18:45:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:45:54,555 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:54,555 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:54,555 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:54,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:54,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1617221872, now seen corresponding path program 1 times [2018-11-28 18:45:54,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:54,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:54,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:54,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:54,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:54,864 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 18:45:55,046 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 6 [2018-11-28 18:45:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:55,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:55,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:55,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:55,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:55,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:55,065 INFO L87 Difference]: Start difference. First operand 351 states and 406 transitions. Second operand 6 states. [2018-11-28 18:45:55,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:55,405 INFO L93 Difference]: Finished difference Result 770 states and 927 transitions. [2018-11-28 18:45:55,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:55,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 18:45:55,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:55,412 INFO L225 Difference]: With dead ends: 770 [2018-11-28 18:45:55,412 INFO L226 Difference]: Without dead ends: 558 [2018-11-28 18:45:55,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-11-28 18:45:55,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 540. [2018-11-28 18:45:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-11-28 18:45:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 640 transitions. [2018-11-28 18:45:55,465 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 640 transitions. Word has length 93 [2018-11-28 18:45:55,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:55,466 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 640 transitions. [2018-11-28 18:45:55,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 640 transitions. [2018-11-28 18:45:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:45:55,469 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:55,469 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:55,470 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:55,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:55,470 INFO L82 PathProgramCache]: Analyzing trace with hash -318438415, now seen corresponding path program 1 times [2018-11-28 18:45:55,470 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:55,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:55,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:55,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:55,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:55,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:55,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:55,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:55,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:55,644 INFO L87 Difference]: Start difference. First operand 540 states and 640 transitions. Second operand 5 states. [2018-11-28 18:45:55,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:55,748 INFO L93 Difference]: Finished difference Result 951 states and 1153 transitions. [2018-11-28 18:45:55,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:45:55,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-11-28 18:45:55,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:55,754 INFO L225 Difference]: With dead ends: 951 [2018-11-28 18:45:55,755 INFO L226 Difference]: Without dead ends: 550 [2018-11-28 18:45:55,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:55,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-11-28 18:45:55,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 544. [2018-11-28 18:45:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2018-11-28 18:45:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 643 transitions. [2018-11-28 18:45:55,807 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 643 transitions. Word has length 93 [2018-11-28 18:45:55,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:55,808 INFO L480 AbstractCegarLoop]: Abstraction has 544 states and 643 transitions. [2018-11-28 18:45:55,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 643 transitions. [2018-11-28 18:45:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:45:55,815 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:55,815 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:55,815 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:55,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:55,816 INFO L82 PathProgramCache]: Analyzing trace with hash 341093107, now seen corresponding path program 1 times [2018-11-28 18:45:55,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:55,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:55,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:55,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:56,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:56,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:45:56,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:45:56,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:45:56,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:56,599 INFO L87 Difference]: Start difference. First operand 544 states and 643 transitions. Second operand 9 states. [2018-11-28 18:45:56,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:56,814 INFO L93 Difference]: Finished difference Result 1068 states and 1290 transitions. [2018-11-28 18:45:56,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:56,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-11-28 18:45:56,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:56,826 INFO L225 Difference]: With dead ends: 1068 [2018-11-28 18:45:56,826 INFO L226 Difference]: Without dead ends: 548 [2018-11-28 18:45:56,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:56,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-11-28 18:45:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 542. [2018-11-28 18:45:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2018-11-28 18:45:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 639 transitions. [2018-11-28 18:45:56,869 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 639 transitions. Word has length 93 [2018-11-28 18:45:56,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:56,872 INFO L480 AbstractCegarLoop]: Abstraction has 542 states and 639 transitions. [2018-11-28 18:45:56,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:45:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 639 transitions. [2018-11-28 18:45:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-28 18:45:56,874 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:56,877 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:56,877 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:56,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:56,877 INFO L82 PathProgramCache]: Analyzing trace with hash -8100710, now seen corresponding path program 1 times [2018-11-28 18:45:56,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:56,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:56,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:56,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:56,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:57,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:57,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:45:57,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:45:57,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:45:57,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:57,480 INFO L87 Difference]: Start difference. First operand 542 states and 639 transitions. Second operand 10 states. [2018-11-28 18:45:58,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:58,792 INFO L93 Difference]: Finished difference Result 1066 states and 1260 transitions. [2018-11-28 18:45:58,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:45:58,793 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2018-11-28 18:45:58,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:58,797 INFO L225 Difference]: With dead ends: 1066 [2018-11-28 18:45:58,797 INFO L226 Difference]: Without dead ends: 548 [2018-11-28 18:45:58,799 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:58,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-11-28 18:45:58,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2018-11-28 18:45:58,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-11-28 18:45:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 608 transitions. [2018-11-28 18:45:58,835 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 608 transitions. Word has length 94 [2018-11-28 18:45:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:58,835 INFO L480 AbstractCegarLoop]: Abstraction has 531 states and 608 transitions. [2018-11-28 18:45:58,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:45:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 608 transitions. [2018-11-28 18:45:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 18:45:58,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:58,839 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:58,840 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:58,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:58,840 INFO L82 PathProgramCache]: Analyzing trace with hash -757460237, now seen corresponding path program 1 times [2018-11-28 18:45:58,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:58,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:58,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:58,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:58,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:45:59,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:59,058 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:45:59,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:59,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:46:00,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:46:00,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 18:46:00,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:46:00,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:46:00,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:46:00,313 INFO L87 Difference]: Start difference. First operand 531 states and 608 transitions. Second operand 12 states. [2018-11-28 18:46:02,152 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 18:46:05,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:05,924 INFO L93 Difference]: Finished difference Result 1455 states and 1801 transitions. [2018-11-28 18:46:05,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 18:46:05,925 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 141 [2018-11-28 18:46:05,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:05,933 INFO L225 Difference]: With dead ends: 1455 [2018-11-28 18:46:05,933 INFO L226 Difference]: Without dead ends: 1021 [2018-11-28 18:46:05,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-28 18:46:05,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-11-28 18:46:05,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 937. [2018-11-28 18:46:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2018-11-28 18:46:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1096 transitions. [2018-11-28 18:46:06,002 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1096 transitions. Word has length 141 [2018-11-28 18:46:06,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:06,003 INFO L480 AbstractCegarLoop]: Abstraction has 937 states and 1096 transitions. [2018-11-28 18:46:06,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:46:06,003 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1096 transitions. [2018-11-28 18:46:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-28 18:46:06,005 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:06,006 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:06,006 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:06,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:06,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1609608079, now seen corresponding path program 1 times [2018-11-28 18:46:06,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:06,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:06,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:06,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:06,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:46:06,475 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:06,475 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:06,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:06,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 18:46:06,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:46:06,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 18:46:06,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:46:06,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:46:06,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:46:06,695 INFO L87 Difference]: Start difference. First operand 937 states and 1096 transitions. Second operand 11 states. [2018-11-28 18:46:06,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:06,830 INFO L93 Difference]: Finished difference Result 1666 states and 1975 transitions. [2018-11-28 18:46:06,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:46:06,832 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 137 [2018-11-28 18:46:06,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:06,837 INFO L225 Difference]: With dead ends: 1666 [2018-11-28 18:46:06,838 INFO L226 Difference]: Without dead ends: 819 [2018-11-28 18:46:06,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:46:06,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-28 18:46:06,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 819. [2018-11-28 18:46:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-11-28 18:46:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 953 transitions. [2018-11-28 18:46:06,893 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 953 transitions. Word has length 137 [2018-11-28 18:46:06,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:06,893 INFO L480 AbstractCegarLoop]: Abstraction has 819 states and 953 transitions. [2018-11-28 18:46:06,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:46:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 953 transitions. [2018-11-28 18:46:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 18:46:06,895 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:06,896 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:06,896 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:06,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:06,896 INFO L82 PathProgramCache]: Analyzing trace with hash 733655798, now seen corresponding path program 1 times [2018-11-28 18:46:06,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:06,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:06,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:06,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:06,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:46:07,456 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:07,456 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:07,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:07,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 18:46:08,181 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:08,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 18:46:08,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 18:46:08,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 18:46:08,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 18:46:08,183 INFO L87 Difference]: Start difference. First operand 819 states and 953 transitions. Second operand 15 states. [2018-11-28 18:46:14,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:14,178 INFO L93 Difference]: Finished difference Result 2849 states and 3934 transitions. [2018-11-28 18:46:14,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 18:46:14,184 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 141 [2018-11-28 18:46:14,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:14,185 INFO L225 Difference]: With dead ends: 2849 [2018-11-28 18:46:14,185 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:14,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 18:46:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:14,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2018-11-28 18:46:14,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:14,196 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:14,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 18:46:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:14,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:14,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:14,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:14,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:15,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:16,491 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 18:46:16,617 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 1 [2018-11-28 18:46:16,783 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2018-11-28 18:46:17,023 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2018-11-28 18:46:17,281 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2018-11-28 18:46:17,678 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 18:46:17,830 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:18,019 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-28 18:46:18,172 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:18,444 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-28 18:46:18,590 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:18,698 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2018-11-28 18:46:19,182 WARN L180 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-11-28 18:46:19,573 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-11-28 18:46:20,401 WARN L180 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-11-28 18:46:20,702 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-28 18:46:20,849 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2018-11-28 18:46:21,034 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2018-11-28 18:46:21,246 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 18:46:21,456 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-11-28 18:46:21,611 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2018-11-28 18:46:21,726 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:22,014 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:22,255 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-28 18:46:22,471 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2018-11-28 18:46:22,656 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2018-11-28 18:46:22,763 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:23,036 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-11-28 18:46:23,191 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-28 18:46:23,991 WARN L180 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-11-28 18:46:24,126 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-28 18:46:24,126 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-28 18:46:24,127 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-28 18:46:24,127 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-28 18:46:24,127 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-28 18:46:24,127 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,127 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2018-11-28 18:46:24,127 INFO L444 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,127 INFO L444 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,127 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2018-11-28 18:46:24,128 INFO L448 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2018-11-28 18:46:24,128 INFO L448 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2018-11-28 18:46:24,128 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2018-11-28 18:46:24,128 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,128 INFO L444 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,128 INFO L444 ceAbstractionStarter]: At program point L971-1(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,128 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2018-11-28 18:46:24,128 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2018-11-28 18:46:24,128 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2018-11-28 18:46:24,128 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 382) no Hoare annotation was computed. [2018-11-28 18:46:24,136 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2018-11-28 18:46:24,136 INFO L451 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2018-11-28 18:46:24,136 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2018-11-28 18:46:24,136 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-28 18:46:24,136 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2018-11-28 18:46:24,136 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2018-11-28 18:46:24,136 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-28 18:46:24,136 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-28 18:46:24,139 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,139 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2018-11-28 18:46:24,139 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2018-11-28 18:46:24,139 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2018-11-28 18:46:24,139 INFO L451 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2018-11-28 18:46:24,139 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2018-11-28 18:46:24,139 INFO L448 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-28 18:46:24,139 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2018-11-28 18:46:24,139 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:46:24,140 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2018-11-28 18:46:24,140 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2018-11-28 18:46:24,140 INFO L448 ceAbstractionStarter]: For program point L473(lines 473 479) no Hoare annotation was computed. [2018-11-28 18:46:24,140 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2018-11-28 18:46:24,140 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2018-11-28 18:46:24,140 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2018-11-28 18:46:24,140 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2018-11-28 18:46:24,140 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2018-11-28 18:46:24,140 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,140 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 18:46:24,141 INFO L448 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2018-11-28 18:46:24,141 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,141 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,141 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2018-11-28 18:46:24,141 INFO L444 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,141 INFO L448 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2018-11-28 18:46:24,141 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2018-11-28 18:46:24,141 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2018-11-28 18:46:24,141 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,142 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2018-11-28 18:46:24,142 INFO L444 ceAbstractionStarter]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:24,142 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 141) no Hoare annotation was computed. [2018-11-28 18:46:24,142 INFO L444 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:24,142 INFO L448 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2018-11-28 18:46:24,142 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 142) no Hoare annotation was computed. [2018-11-28 18:46:24,142 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:24,142 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2018-11-28 18:46:24,142 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2018-11-28 18:46:24,148 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:24,148 INFO L444 ceAbstractionStarter]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:24,148 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-11-28 18:46:24,148 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2018-11-28 18:46:24,148 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-11-28 18:46:24,148 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2018-11-28 18:46:24,148 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-28 18:46:24,149 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2018-11-28 18:46:24,149 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-28 18:46:24,149 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:24,149 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:46:24,149 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:24,149 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2018-11-28 18:46:24,149 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2018-11-28 18:46:24,149 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 18:46:24,149 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2018-11-28 18:46:24,149 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2018-11-28 18:46:24,149 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2018-11-28 18:46:24,150 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2018-11-28 18:46:24,150 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2018-11-28 18:46:24,150 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2018-11-28 18:46:24,150 INFO L451 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2018-11-28 18:46:24,150 INFO L448 ceAbstractionStarter]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2018-11-28 18:46:24,150 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2018-11-28 18:46:24,150 INFO L448 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-11-28 18:46:24,150 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not .cse7)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse6 .cse7) (or .cse5 .cse3 .cse6 .cse7)))) [2018-11-28 18:46:24,150 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-11-28 18:46:24,150 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-11-28 18:46:24,151 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2018-11-28 18:46:24,153 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2018-11-28 18:46:24,153 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2018-11-28 18:46:24,153 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-11-28 18:46:24,153 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-11-28 18:46:24,153 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-11-28 18:46:24,153 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-28 18:46:24,153 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-11-28 18:46:24,153 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-11-28 18:46:24,153 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-11-28 18:46:24,153 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-11-28 18:46:24,154 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-11-28 18:46:24,154 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-28 18:46:24,154 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-11-28 18:46:24,154 INFO L444 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-11-28 18:46:24,154 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-11-28 18:46:24,154 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-11-28 18:46:24,155 INFO L448 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2018-11-28 18:46:24,155 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2018-11-28 18:46:24,155 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2018-11-28 18:46:24,155 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2018-11-28 18:46:24,155 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~6 ~methaneLevelCritical~0) .cse3 .cse2 .cse1))) [2018-11-28 18:46:24,155 INFO L448 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-11-28 18:46:24,155 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2018-11-28 18:46:24,155 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2018-11-28 18:46:24,155 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2018-11-28 18:46:24,156 INFO L444 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse2 (= __utac_acc__Specification3_spec__1_~tmp~6 ~methaneLevelCritical~0)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse2 .cse5 .cse6 .cse3))) [2018-11-28 18:46:24,159 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2018-11-28 18:46:24,159 INFO L448 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2018-11-28 18:46:24,159 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2018-11-28 18:46:24,159 INFO L451 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-11-28 18:46:24,159 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-28 18:46:24,159 INFO L444 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-28 18:46:24,159 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-11-28 18:46:24,159 INFO L448 ceAbstractionStarter]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2018-11-28 18:46:24,160 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2018-11-28 18:46:24,160 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-28 18:46:24,160 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-11-28 18:46:24,160 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:24,160 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 18:46:24,160 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:24,160 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:24,160 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,160 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,160 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2018-11-28 18:46:24,161 INFO L448 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2018-11-28 18:46:24,163 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse0))) [2018-11-28 18:46:24,163 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,163 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2018-11-28 18:46:24,163 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 18:46:24,163 INFO L448 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-11-28 18:46:24,163 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2018-11-28 18:46:24,163 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2018-11-28 18:46:24,163 INFO L448 ceAbstractionStarter]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2018-11-28 18:46:24,164 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-11-28 18:46:24,164 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:46:24,164 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:46:24,164 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:46:24,164 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:46:24,164 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2018-11-28 18:46:24,164 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,164 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 18:46:24,165 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2018-11-28 18:46:24,165 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,165 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,165 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2018-11-28 18:46:24,165 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:46:24,165 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-28 18:46:24,165 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2018-11-28 18:46:24,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:24 BoogieIcfgContainer [2018-11-28 18:46:24,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:24,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:24,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:24,198 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:24,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:49" (3/4) ... [2018-11-28 18:46:24,202 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:24,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:24,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:24,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:24,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:24,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:46:24,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:24,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:24,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:46:24,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:24,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:46:24,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:24,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:24,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:46:24,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:24,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:24,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:46:24,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:24,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:24,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:46:24,224 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:46:24,225 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:24,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:24,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:24,227 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:24,228 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:24,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:24,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:24,332 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:24,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:24,335 INFO L168 Benchmark]: Toolchain (without parser) took 36795.87 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 461.4 MB). Free memory was 951.3 MB in the beginning and 926.8 MB in the end (delta: 24.5 MB). Peak memory consumption was 485.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:24,336 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:24,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:24,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:24,338 INFO L168 Benchmark]: Boogie Preprocessor took 65.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:24,338 INFO L168 Benchmark]: RCFGBuilder took 1208.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:24,339 INFO L168 Benchmark]: TraceAbstraction took 34618.99 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 321.4 MB). Free memory was 1.1 GB in the beginning and 940.7 MB in the end (delta: 123.9 MB). Peak memory consumption was 497.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:24,339 INFO L168 Benchmark]: Witness Printer took 136.44 ms. Allocated memory is still 1.5 GB. Free memory was 940.7 MB in the beginning and 926.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:24,344 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 718.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1208.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34618.99 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 321.4 MB). Free memory was 1.1 GB in the beginning and 940.7 MB in the end (delta: 123.9 MB). Peak memory consumption was 497.7 MB. Max. memory is 11.5 GB. * Witness Printer took 136.44 ms. Allocated memory is still 1.5 GB. Free memory was 940.7 MB in the beginning and 926.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 101]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 162 locations, 1 error locations. SAFE Result, 34.4s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 16.8s AutomataDifference, 0.0s DeadEndRemovalTime, 9.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2282 SDtfs, 2562 SDslu, 7683 SDs, 0 SdLazy, 5577 SolverSat, 1430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 460 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=937occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 153 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2950 PreInvPairs, 3459 NumberOfFragments, 1698 HoareAnnotationTreeSize, 2950 FomulaSimplifications, 11031 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 34983 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1537 NumberOfCodeBlocks, 1537 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1522 ConstructedInterpolants, 0 QuantifiedInterpolants, 266349 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2474 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 164/180 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...