./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product41_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_product41_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 f25a9f8800d2b9b6ef21419533be8e4411f52f7f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:45:37,619 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:37,621 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:37,638 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:37,638 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:37,639 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:37,640 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:37,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:37,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:37,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:37,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:37,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:37,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:37,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:37,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:37,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:37,650 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:37,652 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:37,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:37,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:37,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:37,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:37,661 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:37,661 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:37,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:37,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:37,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:37,665 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:37,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:37,667 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:37,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:37,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:37,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:37,668 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:37,669 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:37,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:37,670 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:37,690 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:37,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:37,691 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:37,691 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:37,694 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:37,694 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:37,694 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:37,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:37,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:37,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:37,696 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:37,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:37,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:37,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:37,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:37,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:37,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:37,697 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:37,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:37,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:37,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:37,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:37,698 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:37,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:37,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:37,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:37,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:37,699 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:37,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:37,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:37,699 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 -> f25a9f8800d2b9b6ef21419533be8e4411f52f7f [2018-11-28 18:45:37,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:37,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:37,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:37,767 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:37,767 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:37,768 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:37,828 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe726f694/18138bc449124f9a9a8bbed9d2a873ec/FLAGcfe826b6b [2018-11-28 18:45:38,429 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:38,431 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:38,447 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe726f694/18138bc449124f9a9a8bbed9d2a873ec/FLAGcfe826b6b [2018-11-28 18:45:38,691 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe726f694/18138bc449124f9a9a8bbed9d2a873ec [2018-11-28 18:45:38,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:38,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:38,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:38,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:38,701 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:38,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:38" (1/1) ... [2018-11-28 18:45:38,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:38, skipping insertion in model container [2018-11-28 18:45:38,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:38" (1/1) ... [2018-11-28 18:45:38,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:38,767 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:39,143 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:39,171 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:39,322 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:39,467 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:39,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39 WrapperNode [2018-11-28 18:45:39,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:39,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:39,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:39,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:39,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:39,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:39,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:39,511 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:39,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... [2018-11-28 18:45:39,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:39,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:39,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:39,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:39,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:39,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:45:39,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:45:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:39,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:45:39,649 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:45:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:39,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:39,650 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:39,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:39,651 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:39,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:40,670 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:40,671 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:40,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:40 BoogieIcfgContainer [2018-11-28 18:45:40,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:40,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:40,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:40,676 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:40,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:38" (1/3) ... [2018-11-28 18:45:40,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b3cd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:40, skipping insertion in model container [2018-11-28 18:45:40,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:39" (2/3) ... [2018-11-28 18:45:40,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b3cd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:40, skipping insertion in model container [2018-11-28 18:45:40,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:40" (3/3) ... [2018-11-28 18:45:40,679 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:40,689 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:40,701 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:40,720 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:40,756 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:40,757 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:40,757 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:40,757 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:40,757 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:40,758 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:40,758 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:40,758 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:40,758 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-28 18:45:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:40,795 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:40,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:40,799 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:40,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:40,806 INFO L82 PathProgramCache]: Analyzing trace with hash 498848746, now seen corresponding path program 1 times [2018-11-28 18:45:40,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:40,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:40,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:40,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:40,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:41,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:41,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:41,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:41,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:41,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:41,195 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-11-28 18:45:41,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:41,269 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2018-11-28 18:45:41,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:41,272 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:45:41,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:41,290 INFO L225 Difference]: With dead ends: 246 [2018-11-28 18:45:41,292 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 18:45:41,298 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:41,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 18:45:41,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-28 18:45:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 18:45:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2018-11-28 18:45:41,370 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2018-11-28 18:45:41,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:41,371 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2018-11-28 18:45:41,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2018-11-28 18:45:41,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:45:41,375 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:41,376 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:41,376 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:41,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:41,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1610957714, now seen corresponding path program 1 times [2018-11-28 18:45:41,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:41,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:41,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:41,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:41,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:41,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:41,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:41,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:41,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:41,585 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2018-11-28 18:45:41,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:41,629 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2018-11-28 18:45:41,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:41,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:45:41,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:41,633 INFO L225 Difference]: With dead ends: 195 [2018-11-28 18:45:41,633 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 18:45:41,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:41,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 18:45:41,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 18:45:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 18:45:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-11-28 18:45:41,652 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2018-11-28 18:45:41,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:41,652 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-11-28 18:45:41,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-11-28 18:45:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:45:41,655 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:41,655 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 18:45:41,655 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:41,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:41,656 INFO L82 PathProgramCache]: Analyzing trace with hash -2062171132, now seen corresponding path program 1 times [2018-11-28 18:45:41,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:41,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:41,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:41,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:41,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:41,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:41,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:41,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:41,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:41,913 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2018-11-28 18:45:42,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:42,590 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2018-11-28 18:45:42,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:42,591 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:45:42,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:42,594 INFO L225 Difference]: With dead ends: 204 [2018-11-28 18:45:42,594 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 18:45:42,595 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 18:45:42,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 18:45:42,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 18:45:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 18:45:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-11-28 18:45:42,610 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2018-11-28 18:45:42,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:42,610 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-11-28 18:45:42,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-11-28 18:45:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:45:42,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:42,613 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] [2018-11-28 18:45:42,614 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:42,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:42,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1534409439, now seen corresponding path program 1 times [2018-11-28 18:45:42,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:42,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:42,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:42,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:42,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:42,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:42,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:42,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:42,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:42,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:42,759 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2018-11-28 18:45:43,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:43,884 INFO L93 Difference]: Finished difference Result 301 states and 361 transitions. [2018-11-28 18:45:43,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:43,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-28 18:45:43,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:43,888 INFO L225 Difference]: With dead ends: 301 [2018-11-28 18:45:43,888 INFO L226 Difference]: Without dead ends: 211 [2018-11-28 18:45:43,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-28 18:45:43,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2018-11-28 18:45:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-11-28 18:45:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2018-11-28 18:45:43,918 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2018-11-28 18:45:43,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:43,919 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2018-11-28 18:45:43,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2018-11-28 18:45:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 18:45:43,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:43,922 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] [2018-11-28 18:45:43,923 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:43,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:43,923 INFO L82 PathProgramCache]: Analyzing trace with hash 2018996323, now seen corresponding path program 1 times [2018-11-28 18:45:43,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:43,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:43,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:43,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:43,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:44,105 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 18:45:44,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:44,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:45:44,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:45:44,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:45:44,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:44,107 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2018-11-28 18:45:44,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:44,332 INFO L93 Difference]: Finished difference Result 369 states and 435 transitions. [2018-11-28 18:45:44,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:44,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-28 18:45:44,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:44,338 INFO L225 Difference]: With dead ends: 369 [2018-11-28 18:45:44,338 INFO L226 Difference]: Without dead ends: 200 [2018-11-28 18:45:44,340 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:44,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-11-28 18:45:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2018-11-28 18:45:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-28 18:45:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 226 transitions. [2018-11-28 18:45:44,362 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 226 transitions. Word has length 79 [2018-11-28 18:45:44,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:44,362 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 226 transitions. [2018-11-28 18:45:44,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:45:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2018-11-28 18:45:44,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 18:45:44,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:44,365 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] [2018-11-28 18:45:44,365 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:44,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:44,365 INFO L82 PathProgramCache]: Analyzing trace with hash 2091382881, now seen corresponding path program 1 times [2018-11-28 18:45:44,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:44,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:44,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:44,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:44,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:44,605 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 18:45:44,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:44,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:44,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:44,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:44,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:44,608 INFO L87 Difference]: Start difference. First operand 197 states and 226 transitions. Second operand 6 states. [2018-11-28 18:45:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:44,939 INFO L93 Difference]: Finished difference Result 489 states and 589 transitions. [2018-11-28 18:45:44,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:44,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-28 18:45:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:44,944 INFO L225 Difference]: With dead ends: 489 [2018-11-28 18:45:44,944 INFO L226 Difference]: Without dead ends: 316 [2018-11-28 18:45:44,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:44,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-11-28 18:45:44,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2018-11-28 18:45:44,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-11-28 18:45:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 363 transitions. [2018-11-28 18:45:44,982 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 363 transitions. Word has length 79 [2018-11-28 18:45:44,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:44,983 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 363 transitions. [2018-11-28 18:45:44,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 363 transitions. [2018-11-28 18:45:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:45:44,986 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:44,986 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] [2018-11-28 18:45:44,986 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:44,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:44,987 INFO L82 PathProgramCache]: Analyzing trace with hash 345874407, now seen corresponding path program 1 times [2018-11-28 18:45:44,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:44,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:44,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:44,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:44,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:45,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:45,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:45,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:45,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:45,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:45,192 INFO L87 Difference]: Start difference. First operand 312 states and 363 transitions. Second operand 6 states. [2018-11-28 18:45:45,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:45,633 INFO L93 Difference]: Finished difference Result 649 states and 783 transitions. [2018-11-28 18:45:45,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:45,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 18:45:45,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:45,641 INFO L225 Difference]: With dead ends: 649 [2018-11-28 18:45:45,641 INFO L226 Difference]: Without dead ends: 476 [2018-11-28 18:45:45,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:45,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-11-28 18:45:45,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 458. [2018-11-28 18:45:45,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-11-28 18:45:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2018-11-28 18:45:45,684 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 83 [2018-11-28 18:45:45,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:45,684 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2018-11-28 18:45:45,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2018-11-28 18:45:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:45:45,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:45,688 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] [2018-11-28 18:45:45,688 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:45,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:45,688 INFO L82 PathProgramCache]: Analyzing trace with hash 603253610, now seen corresponding path program 1 times [2018-11-28 18:45:45,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:45,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:45,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:45,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:45,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:45,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:45,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:45:45,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:45:45,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:45:45,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:45,991 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2018-11-28 18:45:46,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:46,145 INFO L93 Difference]: Finished difference Result 797 states and 959 transitions. [2018-11-28 18:45:46,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:46,150 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2018-11-28 18:45:46,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:46,154 INFO L225 Difference]: With dead ends: 797 [2018-11-28 18:45:46,154 INFO L226 Difference]: Without dead ends: 478 [2018-11-28 18:45:46,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:46,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-11-28 18:45:46,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 473. [2018-11-28 18:45:46,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-11-28 18:45:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 561 transitions. [2018-11-28 18:45:46,202 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 561 transitions. Word has length 83 [2018-11-28 18:45:46,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:46,203 INFO L480 AbstractCegarLoop]: Abstraction has 473 states and 561 transitions. [2018-11-28 18:45:46,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:45:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 561 transitions. [2018-11-28 18:45:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:45:46,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:46,207 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] [2018-11-28 18:45:46,207 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:46,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:46,208 INFO L82 PathProgramCache]: Analyzing trace with hash 675640168, now seen corresponding path program 1 times [2018-11-28 18:45:46,208 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:46,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:46,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:46,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:46,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:46,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:46,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:46,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:46,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:46,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:46,493 INFO L87 Difference]: Start difference. First operand 473 states and 561 transitions. Second operand 5 states. [2018-11-28 18:45:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:46,666 INFO L93 Difference]: Finished difference Result 799 states and 966 transitions. [2018-11-28 18:45:46,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:45:46,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-11-28 18:45:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:46,670 INFO L225 Difference]: With dead ends: 799 [2018-11-28 18:45:46,670 INFO L226 Difference]: Without dead ends: 465 [2018-11-28 18:45:46,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-11-28 18:45:46,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2018-11-28 18:45:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-11-28 18:45:46,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 550 transitions. [2018-11-28 18:45:46,703 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 550 transitions. Word has length 83 [2018-11-28 18:45:46,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:46,703 INFO L480 AbstractCegarLoop]: Abstraction has 465 states and 550 transitions. [2018-11-28 18:45:46,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 550 transitions. [2018-11-28 18:45:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 18:45:46,705 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:46,706 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:46,706 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:46,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:46,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1645258577, now seen corresponding path program 1 times [2018-11-28 18:45:46,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:46,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:46,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:46,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:46,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:45:47,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:47,060 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 18:45:47,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:47,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:48,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:48,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 18:45:48,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:45:48,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:45:48,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:45:48,092 INFO L87 Difference]: Start difference. First operand 465 states and 550 transitions. Second operand 14 states. [2018-11-28 18:45:51,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:51,695 INFO L93 Difference]: Finished difference Result 1212 states and 1487 transitions. [2018-11-28 18:45:51,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 18:45:51,699 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 95 [2018-11-28 18:45:51,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:51,706 INFO L225 Difference]: With dead ends: 1212 [2018-11-28 18:45:51,707 INFO L226 Difference]: Without dead ends: 771 [2018-11-28 18:45:51,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:45:51,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-11-28 18:45:51,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 768. [2018-11-28 18:45:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2018-11-28 18:45:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 897 transitions. [2018-11-28 18:45:51,787 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 897 transitions. Word has length 95 [2018-11-28 18:45:51,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:51,791 INFO L480 AbstractCegarLoop]: Abstraction has 768 states and 897 transitions. [2018-11-28 18:45:51,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:45:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 897 transitions. [2018-11-28 18:45:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 18:45:51,797 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:51,798 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:51,798 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:51,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:51,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1976763213, now seen corresponding path program 1 times [2018-11-28 18:45:51,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:51,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:51,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:51,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:51,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:45:52,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:52,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:45:52,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:45:52,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:45:52,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:52,497 INFO L87 Difference]: Start difference. First operand 768 states and 897 transitions. Second operand 10 states. [2018-11-28 18:45:53,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:53,117 INFO L93 Difference]: Finished difference Result 1484 states and 1756 transitions. [2018-11-28 18:45:53,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:45:53,119 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-11-28 18:45:53,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:53,147 INFO L225 Difference]: With dead ends: 1484 [2018-11-28 18:45:53,147 INFO L226 Difference]: Without dead ends: 740 [2018-11-28 18:45:53,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:53,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2018-11-28 18:45:53,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 726. [2018-11-28 18:45:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-11-28 18:45:53,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 846 transitions. [2018-11-28 18:45:53,200 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 846 transitions. Word has length 99 [2018-11-28 18:45:53,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:53,202 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 846 transitions. [2018-11-28 18:45:53,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:45:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 846 transitions. [2018-11-28 18:45:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 18:45:53,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:53,208 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:53,208 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:53,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:53,209 INFO L82 PathProgramCache]: Analyzing trace with hash 636816401, now seen corresponding path program 1 times [2018-11-28 18:45:53,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:53,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:53,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:53,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:45:54,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:54,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:45:54,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:45:54,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:45:54,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:54,315 INFO L87 Difference]: Start difference. First operand 726 states and 846 transitions. Second operand 10 states. [2018-11-28 18:45:55,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:55,665 INFO L93 Difference]: Finished difference Result 1429 states and 1670 transitions. [2018-11-28 18:45:55,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:55,666 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-11-28 18:45:55,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:55,667 INFO L225 Difference]: With dead ends: 1429 [2018-11-28 18:45:55,667 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:45:55,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:55,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:45:55,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:45:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:45:55,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:45:55,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-11-28 18:45:55,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:55,672 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:45:55,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:45:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:45:55,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:45:55,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:45:56,672 WARN L180 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 14 [2018-11-28 18:45:57,589 WARN L180 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-11-28 18:45:57,791 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2018-11-28 18:45:58,434 WARN L180 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-11-28 18:45:58,810 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-11-28 18:45:59,134 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2018-11-28 18:45:59,814 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-11-28 18:46:00,006 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2018-11-28 18:46:00,135 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 1 [2018-11-28 18:46:00,549 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2018-11-28 18:46:00,843 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 22 [2018-11-28 18:46:01,568 WARN L180 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2018-11-28 18:46:01,868 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 18:46:01,869 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 18:46:01,869 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:46:01,869 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 18:46:01,869 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:46:01,869 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:01,869 INFO L444 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:01,869 INFO L444 ceAbstractionStarter]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:01,869 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2018-11-28 18:46:01,869 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2018-11-28 18:46:01,870 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2018-11-28 18:46:01,871 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 18:46:01,871 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:01,871 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:01,871 INFO L444 ceAbstractionStarter]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:01,871 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2018-11-28 18:46:01,871 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-11-28 18:46:01,877 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-11-28 18:46:01,877 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-11-28 18:46:01,877 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 18:46:01,878 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 18:46:01,878 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:01,878 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2018-11-28 18:46:01,878 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2018-11-28 18:46:01,878 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2018-11-28 18:46:01,878 INFO L451 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2018-11-28 18:46:01,878 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2018-11-28 18:46:01,878 INFO L448 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2018-11-28 18:46:01,878 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2018-11-28 18:46:01,878 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-11-28 18:46:01,879 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-11-28 18:46:01,879 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-11-28 18:46:01,879 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-11-28 18:46:01,879 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-11-28 18:46:01,879 INFO L448 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2018-11-28 18:46:01,879 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2018-11-28 18:46:01,879 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2018-11-28 18:46:01,879 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse1 .cse3 .cse6))) [2018-11-28 18:46:01,880 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse3) (or .cse2 .cse1 .cse3 .cse5))) [2018-11-28 18:46:01,880 INFO L448 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2018-11-28 18:46:01,880 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2018-11-28 18:46:01,880 INFO L444 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse2) (or .cse5 .cse2 .cse3))) [2018-11-28 18:46:01,880 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2018-11-28 18:46:01,880 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2018-11-28 18:46:01,880 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2018-11-28 18:46:01,880 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:01,882 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:01,882 INFO L444 ceAbstractionStarter]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:01,883 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-11-28 18:46:01,883 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-11-28 18:46:01,883 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2018-11-28 18:46:01,883 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2018-11-28 18:46:01,883 INFO L444 ceAbstractionStarter]: At program point L317(lines 270 318) 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 18:46:01,883 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2018-11-28 18:46:01,883 INFO L444 ceAbstractionStarter]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:01,883 INFO L448 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2018-11-28 18:46:01,883 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2018-11-28 18:46:01,884 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:01,884 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2018-11-28 18:46:01,884 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2018-11-28 18:46:01,884 INFO L448 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2018-11-28 18:46:01,884 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:46:01,884 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2018-11-28 18:46:01,884 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2018-11-28 18:46:01,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:01,884 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-28 18:46:01,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:01,884 INFO L448 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-11-28 18:46:01,885 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2018-11-28 18:46:01,885 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:46:01,885 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) (= 0 ~pumpRunning~0)) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:46:01,885 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2018-11-28 18:46:01,885 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2018-11-28 18:46:01,885 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:46:01,885 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-11-28 18:46:01,885 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-11-28 18:46:01,885 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-11-28 18:46:01,885 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2018-11-28 18:46:01,886 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2018-11-28 18:46:01,886 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2018-11-28 18:46:01,886 INFO L451 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2018-11-28 18:46:01,886 INFO L448 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2018-11-28 18:46:01,886 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2018-11-28 18:46:01,886 INFO L448 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-11-28 18:46:01,886 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse2 .cse6 .cse1 .cse3) (or .cse5 .cse4 .cse6 .cse1))) [2018-11-28 18:46:01,886 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-11-28 18:46:01,886 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-11-28 18:46:01,886 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2018-11-28 18:46:01,887 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 18:46:01,887 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2018-11-28 18:46:01,887 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-11-28 18:46:01,887 INFO L451 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2018-11-28 18:46:01,887 INFO L448 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2018-11-28 18:46:01,887 INFO L451 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2018-11-28 18:46:01,887 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-11-28 18:46:01,887 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-11-28 18:46:01,887 INFO L451 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2018-11-28 18:46:01,887 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-11-28 18:46:01,887 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-11-28 18:46:01,888 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-11-28 18:46:01,888 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7))) [2018-11-28 18:46:01,888 INFO L448 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2018-11-28 18:46:01,888 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse3 (not (= ~waterLevel~0 2))) (.cse9 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 1)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse5 .cse4 .cse6) (or .cse1 .cse2 .cse4 .cse6 .cse3) (or .cse7 .cse5 .cse4 .cse8 .cse6) (or .cse2 .cse7 .cse4 .cse8 .cse6) (or .cse0 .cse9 .cse2 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse3) (or .cse2 .cse4 .cse9 .cse6) (or .cse10 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse5 .cse4 .cse8) (or .cse10 .cse0 .cse5 .cse4) (or .cse0 .cse7 .cse2 .cse4 .cse8))) [2018-11-28 18:46:01,888 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2018-11-28 18:46:01,888 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 2)) (.cse6 (not (= ~waterLevel~0 2))) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse3 .cse7 .cse6) (or .cse5 .cse8 .cse3 .cse9 .cse7) (or .cse0 .cse10 .cse5 .cse3) (or .cse5 .cse3 .cse10 .cse7) (or .cse2 .cse1 .cse3 .cse7) (or .cse0 .cse8 .cse5 .cse3 .cse9))) [2018-11-28 18:46:01,889 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2018-11-28 18:46:01,897 INFO L444 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~waterLevel~0 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 .cse1 .cse7 .cse2) (or .cse8 .cse0 .cse2 .cse9 .cse3) (or .cse6 .cse10 .cse0 .cse4 .cse2) (or .cse6 .cse5 .cse0 .cse2) (or .cse10 .cse0 .cse4 .cse2 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse6 .cse8 .cse0 .cse2 .cse9))) [2018-11-28 18:46:01,897 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2018-11-28 18:46:01,897 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2018-11-28 18:46:01,897 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-11-28 18:46:01,897 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2018-11-28 18:46:01,898 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2018-11-28 18:46:01,898 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-28 18:46:01,898 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-11-28 18:46:01,898 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2018-11-28 18:46:01,898 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-11-28 18:46:01,898 INFO L448 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-11-28 18:46:01,898 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2018-11-28 18:46:01,898 INFO L451 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2018-11-28 18:46:01,898 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-11-28 18:46:01,898 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-11-28 18:46:01,899 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 18:46:01,899 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-11-28 18:46:01,899 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2018-11-28 18:46:01,899 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2018-11-28 18:46:01,899 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:01,899 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 18:46:01,899 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:01,899 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:01,899 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-11-28 18:46:01,899 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-11-28 18:46:01,900 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse8 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2) (or .cse1 .cse8 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse8 .cse2 .cse7) (or .cse7 .cse6 .cse8 .cse2 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse7))) [2018-11-28 18:46:01,900 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-11-28 18:46:01,900 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-11-28 18:46:01,900 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-11-28 18:46:01,900 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-11-28 18:46:01,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:01 BoogieIcfgContainer [2018-11-28 18:46:01,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:01,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:01,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:01,925 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:01,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:40" (3/4) ... [2018-11-28 18:46:01,931 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:01,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:01,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:01,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:01,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:01,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:01,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:01,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:46:01,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:01,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:01,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:46:01,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:01,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:46:01,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:01,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:01,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:01,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:01,949 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:46:01,949 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:01,950 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:01,951 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:01,951 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:01,951 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:01,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:01,986 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:02,053 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:02,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:02,054 INFO L168 Benchmark]: Toolchain (without parser) took 23359.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 320.9 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -65.9 MB). Peak memory consumption was 254.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:02,055 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 18:46:02,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:02,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.43 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 18:46:02,056 INFO L168 Benchmark]: Boogie Preprocessor took 59.77 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 18:46:02,056 INFO L168 Benchmark]: RCFGBuilder took 1100.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:02,057 INFO L168 Benchmark]: TraceAbstraction took 21252.06 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 426.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:02,057 INFO L168 Benchmark]: Witness Printer took 128.29 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:02,060 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 771.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.77 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. * RCFGBuilder took 1100.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21252.06 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 426.6 MB. Max. memory is 11.5 GB. * Witness Printer took 128.29 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 136 locations, 1 error locations. SAFE Result, 21.1s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 8.9s AutomataDifference, 0.0s DeadEndRemovalTime, 6.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1847 SDtfs, 816 SDslu, 7094 SDs, 0 SdLazy, 1436 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=768occurred 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, 65 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1579 PreInvPairs, 1676 NumberOfFragments, 1951 HoareAnnotationTreeSize, 1579 FomulaSimplifications, 1190 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7876 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 137441 SizeOfPredicates, 6 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...