./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product60_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_spec5_product60_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 f32a845991ccfb3a908c898acdfb7a48e8a7d63f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:49:05,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:49:05,743 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:49:05,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:49:05,755 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:49:05,756 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:49:05,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:49:05,760 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:49:05,762 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:49:05,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:49:05,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:49:05,764 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:49:05,765 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:49:05,766 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:49:05,767 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:49:05,768 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:49:05,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:49:05,770 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:49:05,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:49:05,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:49:05,775 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:49:05,777 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:49:05,779 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:49:05,780 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:49:05,780 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:49:05,781 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:49:05,782 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:49:05,783 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:49:05,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:49:05,786 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:49:05,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:49:05,787 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:49:05,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:49:05,787 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:49:05,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:49:05,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:49:05,789 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:49:05,806 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:49:05,806 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:49:05,807 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:49:05,807 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:49:05,808 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:49:05,808 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:49:05,808 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:49:05,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:49:05,809 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:49:05,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:49:05,809 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:49:05,809 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:49:05,809 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:49:05,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:49:05,810 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:49:05,810 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:49:05,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:49:05,810 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:49:05,811 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:49:05,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:49:05,811 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:49:05,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:49:05,811 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:49:05,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:49:05,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:49:05,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:49:05,812 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:49:05,812 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:49:05,812 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:49:05,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:49:05,813 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 -> f32a845991ccfb3a908c898acdfb7a48e8a7d63f [2018-11-28 18:49:05,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:49:05,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:49:05,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:49:05,880 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:49:05,881 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:49:05,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-28 18:49:05,950 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9081c0c51/29a0dd78afdb4feabb07a322e107e5ee/FLAG44341b5d6 [2018-11-28 18:49:06,431 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:49:06,432 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-28 18:49:06,448 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9081c0c51/29a0dd78afdb4feabb07a322e107e5ee/FLAG44341b5d6 [2018-11-28 18:49:06,739 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9081c0c51/29a0dd78afdb4feabb07a322e107e5ee [2018-11-28 18:49:06,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:49:06,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:49:06,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:49:06,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:49:06,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:49:06,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:49:06" (1/1) ... [2018-11-28 18:49:06,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e54013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:06, skipping insertion in model container [2018-11-28 18:49:06,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:49:06" (1/1) ... [2018-11-28 18:49:06,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:49:06,824 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:49:07,273 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:49:07,302 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:49:07,438 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:49:07,480 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:49:07,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07 WrapperNode [2018-11-28 18:49:07,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:49:07,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:49:07,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:49:07,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:49:07,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:49:07,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:49:07,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:49:07,613 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:49:07,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (1/1) ... [2018-11-28 18:49:07,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:49:07,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:49:07,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:49:07,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:49:07,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (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 18:49:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:49:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:49:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:49:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:49:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:49:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:49:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:49:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:49:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:49:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:49:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:49:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:49:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:49:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:49:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:49:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:49:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:49:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:49:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:49:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:49:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:49:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:49:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:49:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:49:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:49:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:49:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:49:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:49:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:49:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:49:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:49:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:49:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:49:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:49:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:49:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:49:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:49:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:49:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:49:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:49:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:49:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:49:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:49:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:49:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:49:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:49:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:49:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:49:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:49:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:49:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:49:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:49:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:49:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:49:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:49:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:49:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:49:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:49:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:49:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:49:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:49:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:49:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:49:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:49:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:49:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:49:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:49:08,824 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:49:08,824 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:49:08,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:49:08 BoogieIcfgContainer [2018-11-28 18:49:08,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:49:08,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:49:08,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:49:08,830 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:49:08,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:49:06" (1/3) ... [2018-11-28 18:49:08,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e661e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:49:08, skipping insertion in model container [2018-11-28 18:49:08,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:07" (2/3) ... [2018-11-28 18:49:08,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e661e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:49:08, skipping insertion in model container [2018-11-28 18:49:08,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:49:08" (3/3) ... [2018-11-28 18:49:08,835 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-28 18:49:08,846 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:49:08,856 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:49:08,875 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:49:08,913 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:49:08,914 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:49:08,915 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:49:08,915 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:49:08,915 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:49:08,915 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:49:08,916 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:49:08,916 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:49:08,916 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:49:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2018-11-28 18:49:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:49:08,957 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:08,959 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] [2018-11-28 18:49:08,962 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:08,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:08,969 INFO L82 PathProgramCache]: Analyzing trace with hash -35368606, now seen corresponding path program 1 times [2018-11-28 18:49:08,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:08,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:09,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:09,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:09,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:09,389 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 18:49:09,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:09,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:49:09,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:49:09,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:49:09,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:49:09,419 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2018-11-28 18:49:09,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:09,483 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2018-11-28 18:49:09,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:49:09,485 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 18:49:09,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:09,500 INFO L225 Difference]: With dead ends: 322 [2018-11-28 18:49:09,501 INFO L226 Difference]: Without dead ends: 163 [2018-11-28 18:49:09,506 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 18:49:09,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-28 18:49:09,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-28 18:49:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-28 18:49:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2018-11-28 18:49:09,583 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2018-11-28 18:49:09,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:09,584 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2018-11-28 18:49:09,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:49:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2018-11-28 18:49:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 18:49:09,589 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:09,590 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] [2018-11-28 18:49:09,590 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:09,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:09,590 INFO L82 PathProgramCache]: Analyzing trace with hash -685083891, now seen corresponding path program 1 times [2018-11-28 18:49:09,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:09,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:09,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:09,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:09,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:09,786 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 18:49:09,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:09,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:49:09,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:49:09,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:49:09,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:49:09,792 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2018-11-28 18:49:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:09,836 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2018-11-28 18:49:09,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:49:09,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 18:49:09,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:09,840 INFO L225 Difference]: With dead ends: 261 [2018-11-28 18:49:09,840 INFO L226 Difference]: Without dead ends: 154 [2018-11-28 18:49:09,842 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 18:49:09,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-28 18:49:09,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-28 18:49:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-28 18:49:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2018-11-28 18:49:09,876 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2018-11-28 18:49:09,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:09,877 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2018-11-28 18:49:09,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:49:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2018-11-28 18:49:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:49:09,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:09,880 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] [2018-11-28 18:49:09,880 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:09,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:09,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1773157151, now seen corresponding path program 1 times [2018-11-28 18:49:09,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:09,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:09,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:09,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:09,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:10,232 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 18:49:10,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:10,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:49:10,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:49:10,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:49:10,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:49:10,234 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 7 states. [2018-11-28 18:49:11,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:11,754 INFO L93 Difference]: Finished difference Result 462 states and 554 transitions. [2018-11-28 18:49:11,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:49:11,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-28 18:49:11,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:11,761 INFO L225 Difference]: With dead ends: 462 [2018-11-28 18:49:11,761 INFO L226 Difference]: Without dead ends: 336 [2018-11-28 18:49:11,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:49:11,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-11-28 18:49:11,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 324. [2018-11-28 18:49:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-11-28 18:49:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 388 transitions. [2018-11-28 18:49:11,810 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 388 transitions. Word has length 65 [2018-11-28 18:49:11,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:11,811 INFO L480 AbstractCegarLoop]: Abstraction has 324 states and 388 transitions. [2018-11-28 18:49:11,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:49:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 388 transitions. [2018-11-28 18:49:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 18:49:11,814 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:11,814 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] [2018-11-28 18:49:11,814 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:11,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:11,815 INFO L82 PathProgramCache]: Analyzing trace with hash -658838131, now seen corresponding path program 1 times [2018-11-28 18:49:11,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:11,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:11,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:11,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:11,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:12,133 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 18:49:12,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:12,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:49:12,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:49:12,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:49:12,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:49:12,136 INFO L87 Difference]: Start difference. First operand 324 states and 388 transitions. Second operand 7 states. [2018-11-28 18:49:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:13,548 INFO L93 Difference]: Finished difference Result 808 states and 1036 transitions. [2018-11-28 18:49:13,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:49:13,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-28 18:49:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:13,557 INFO L225 Difference]: With dead ends: 808 [2018-11-28 18:49:13,557 INFO L226 Difference]: Without dead ends: 512 [2018-11-28 18:49:13,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:49:13,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-28 18:49:13,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 458. [2018-11-28 18:49:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-11-28 18:49:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 547 transitions. [2018-11-28 18:49:13,642 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 547 transitions. Word has length 70 [2018-11-28 18:49:13,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:13,643 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 547 transitions. [2018-11-28 18:49:13,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:49:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 547 transitions. [2018-11-28 18:49:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:49:13,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:13,647 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:13,647 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:13,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:13,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1329963175, now seen corresponding path program 1 times [2018-11-28 18:49:13,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:13,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:13,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:13,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:13,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:13,884 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 18:49:13,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:13,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:49:13,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:49:13,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:49:13,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:49:13,886 INFO L87 Difference]: Start difference. First operand 458 states and 547 transitions. Second operand 6 states. [2018-11-28 18:49:13,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:13,986 INFO L93 Difference]: Finished difference Result 902 states and 1110 transitions. [2018-11-28 18:49:13,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:49:13,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-28 18:49:13,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:13,994 INFO L225 Difference]: With dead ends: 902 [2018-11-28 18:49:13,994 INFO L226 Difference]: Without dead ends: 472 [2018-11-28 18:49:13,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:49:13,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-11-28 18:49:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 468. [2018-11-28 18:49:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-11-28 18:49:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2018-11-28 18:49:14,066 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 108 [2018-11-28 18:49:14,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:14,067 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2018-11-28 18:49:14,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:49:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2018-11-28 18:49:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:49:14,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:14,070 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:14,070 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:14,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:14,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1036731419, now seen corresponding path program 1 times [2018-11-28 18:49:14,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:14,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:14,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:14,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:14,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:14,319 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 18:49:14,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:14,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:49:14,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:49:14,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:49:14,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:49:14,321 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 8 states. [2018-11-28 18:49:14,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:14,606 INFO L93 Difference]: Finished difference Result 922 states and 1130 transitions. [2018-11-28 18:49:14,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:49:14,609 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-28 18:49:14,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:14,612 INFO L225 Difference]: With dead ends: 922 [2018-11-28 18:49:14,613 INFO L226 Difference]: Without dead ends: 482 [2018-11-28 18:49:14,614 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:49:14,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2018-11-28 18:49:14,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 476. [2018-11-28 18:49:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-11-28 18:49:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 565 transitions. [2018-11-28 18:49:14,647 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 565 transitions. Word has length 108 [2018-11-28 18:49:14,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:14,647 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 565 transitions. [2018-11-28 18:49:14,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:49:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 565 transitions. [2018-11-28 18:49:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:49:14,650 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:14,650 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:14,650 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:14,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:14,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1277271548, now seen corresponding path program 1 times [2018-11-28 18:49:14,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:14,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:14,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:14,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:14,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:14,927 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 18:49:14,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:14,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:49:14,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:49:14,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:49:14,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:49:14,928 INFO L87 Difference]: Start difference. First operand 476 states and 565 transitions. Second operand 4 states. [2018-11-28 18:49:16,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:16,361 INFO L93 Difference]: Finished difference Result 1484 states and 1846 transitions. [2018-11-28 18:49:16,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:49:16,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-28 18:49:16,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:16,370 INFO L225 Difference]: With dead ends: 1484 [2018-11-28 18:49:16,370 INFO L226 Difference]: Without dead ends: 1036 [2018-11-28 18:49:16,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:49:16,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-11-28 18:49:16,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1019. [2018-11-28 18:49:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2018-11-28 18:49:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1244 transitions. [2018-11-28 18:49:16,441 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1244 transitions. Word has length 108 [2018-11-28 18:49:16,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:16,441 INFO L480 AbstractCegarLoop]: Abstraction has 1019 states and 1244 transitions. [2018-11-28 18:49:16,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:49:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1244 transitions. [2018-11-28 18:49:16,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-28 18:49:16,444 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:16,445 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:16,445 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:16,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:16,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1306050626, now seen corresponding path program 1 times [2018-11-28 18:49:16,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:16,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:16,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:16,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:16,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:16,649 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 18:49:16,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:16,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:49:16,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:49:16,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:49:16,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:49:16,651 INFO L87 Difference]: Start difference. First operand 1019 states and 1244 transitions. Second operand 9 states. [2018-11-28 18:49:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:20,211 INFO L93 Difference]: Finished difference Result 2802 states and 3576 transitions. [2018-11-28 18:49:20,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 18:49:20,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-11-28 18:49:20,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:20,224 INFO L225 Difference]: With dead ends: 2802 [2018-11-28 18:49:20,225 INFO L226 Difference]: Without dead ends: 1997 [2018-11-28 18:49:20,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:49:20,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2018-11-28 18:49:20,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1764. [2018-11-28 18:49:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1764 states. [2018-11-28 18:49:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2119 transitions. [2018-11-28 18:49:20,368 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2119 transitions. Word has length 112 [2018-11-28 18:49:20,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:20,368 INFO L480 AbstractCegarLoop]: Abstraction has 1764 states and 2119 transitions. [2018-11-28 18:49:20,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:49:20,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2119 transitions. [2018-11-28 18:49:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 18:49:20,374 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:20,375 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:20,375 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:20,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:20,375 INFO L82 PathProgramCache]: Analyzing trace with hash 2041275749, now seen corresponding path program 1 times [2018-11-28 18:49:20,375 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:20,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:20,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:20,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:20,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 18:49:20,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:49:20,969 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 18:49:20,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:21,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:49:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:49:22,019 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:49:22,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-28 18:49:22,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 18:49:22,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 18:49:22,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-28 18:49:22,022 INFO L87 Difference]: Start difference. First operand 1764 states and 2119 transitions. Second operand 16 states. [2018-11-28 18:49:25,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:25,983 INFO L93 Difference]: Finished difference Result 4039 states and 5054 transitions. [2018-11-28 18:49:25,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 18:49:25,984 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2018-11-28 18:49:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:26,000 INFO L225 Difference]: With dead ends: 4039 [2018-11-28 18:49:26,000 INFO L226 Difference]: Without dead ends: 2483 [2018-11-28 18:49:26,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 18:49:26,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2018-11-28 18:49:26,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2221. [2018-11-28 18:49:26,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2221 states. [2018-11-28 18:49:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 2637 transitions. [2018-11-28 18:49:26,266 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 2637 transitions. Word has length 174 [2018-11-28 18:49:26,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:26,268 INFO L480 AbstractCegarLoop]: Abstraction has 2221 states and 2637 transitions. [2018-11-28 18:49:26,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 18:49:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2637 transitions. [2018-11-28 18:49:26,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-28 18:49:26,282 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:26,282 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:26,283 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:26,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:26,284 INFO L82 PathProgramCache]: Analyzing trace with hash -643962804, now seen corresponding path program 1 times [2018-11-28 18:49:26,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:26,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:26,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:26,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:26,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 98 proven. 16 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-28 18:49:26,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:49:26,815 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:49:26,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:27,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:49:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-28 18:49:27,502 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:49:27,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-28 18:49:27,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-28 18:49:27,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-28 18:49:27,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-28 18:49:27,504 INFO L87 Difference]: Start difference. First operand 2221 states and 2637 transitions. Second operand 18 states. [2018-11-28 18:49:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:34,174 INFO L93 Difference]: Finished difference Result 6024 states and 7539 transitions. [2018-11-28 18:49:34,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-28 18:49:34,176 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 311 [2018-11-28 18:49:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:34,197 INFO L225 Difference]: With dead ends: 6024 [2018-11-28 18:49:34,198 INFO L226 Difference]: Without dead ends: 3263 [2018-11-28 18:49:34,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=372, Invalid=1520, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 18:49:34,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2018-11-28 18:49:34,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3037. [2018-11-28 18:49:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3037 states. [2018-11-28 18:49:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 3552 transitions. [2018-11-28 18:49:34,427 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 3552 transitions. Word has length 311 [2018-11-28 18:49:34,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:34,428 INFO L480 AbstractCegarLoop]: Abstraction has 3037 states and 3552 transitions. [2018-11-28 18:49:34,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-28 18:49:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3552 transitions. [2018-11-28 18:49:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-11-28 18:49:34,443 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:34,444 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:34,444 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:34,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:34,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1895144598, now seen corresponding path program 1 times [2018-11-28 18:49:34,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:34,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:34,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:34,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:34,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 87 proven. 12 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2018-11-28 18:49:34,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:49:34,754 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:49:34,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:34,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:49:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2018-11-28 18:49:35,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:49:35,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2018-11-28 18:49:35,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:49:35,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:49:35,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:49:35,074 INFO L87 Difference]: Start difference. First operand 3037 states and 3552 transitions. Second operand 4 states. [2018-11-28 18:49:35,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:35,538 INFO L93 Difference]: Finished difference Result 4870 states and 5708 transitions. [2018-11-28 18:49:35,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:49:35,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 397 [2018-11-28 18:49:35,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:35,549 INFO L225 Difference]: With dead ends: 4870 [2018-11-28 18:49:35,550 INFO L226 Difference]: Without dead ends: 1895 [2018-11-28 18:49:35,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 396 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:49:35,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2018-11-28 18:49:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1855. [2018-11-28 18:49:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2018-11-28 18:49:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2134 transitions. [2018-11-28 18:49:35,682 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2134 transitions. Word has length 397 [2018-11-28 18:49:35,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:35,683 INFO L480 AbstractCegarLoop]: Abstraction has 1855 states and 2134 transitions. [2018-11-28 18:49:35,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:49:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2134 transitions. [2018-11-28 18:49:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-28 18:49:35,693 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:35,694 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:35,694 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:35,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:35,694 INFO L82 PathProgramCache]: Analyzing trace with hash 824162955, now seen corresponding path program 1 times [2018-11-28 18:49:35,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:35,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:35,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:35,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:35,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 108 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-11-28 18:49:36,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:49:36,078 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:49:36,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:36,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:49:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-11-28 18:49:36,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:49:36,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 18:49:36,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:49:36,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:49:36,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:49:36,501 INFO L87 Difference]: Start difference. First operand 1855 states and 2134 transitions. Second operand 13 states. [2018-11-28 18:49:36,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:36,634 INFO L93 Difference]: Finished difference Result 2251 states and 2573 transitions. [2018-11-28 18:49:36,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:49:36,634 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 373 [2018-11-28 18:49:36,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:36,635 INFO L225 Difference]: With dead ends: 2251 [2018-11-28 18:49:36,636 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:49:36,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:49:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:49:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:49:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:49:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:49:36,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2018-11-28 18:49:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:36,642 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:49:36,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:49:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:49:36,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:49:36,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:49:36,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:36,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:36,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:37,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:39,018 WARN L180 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2018-11-28 18:49:39,572 WARN L180 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2018-11-28 18:49:39,685 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-11-28 18:49:40,002 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2018-11-28 18:49:40,588 WARN L180 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 40 [2018-11-28 18:49:40,837 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2018-11-28 18:49:41,000 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2018-11-28 18:49:41,198 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2018-11-28 18:49:41,351 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2018-11-28 18:49:41,507 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2018-11-28 18:49:41,639 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 22 [2018-11-28 18:49:42,388 WARN L180 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 49 [2018-11-28 18:49:42,673 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2018-11-28 18:49:42,824 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2018-11-28 18:49:42,964 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 1 [2018-11-28 18:49:43,161 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2018-11-28 18:49:43,397 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2018-11-28 18:49:43,634 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 32 [2018-11-28 18:49:43,903 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 26 [2018-11-28 18:49:44,334 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2018-11-28 18:49:44,718 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2018-11-28 18:49:45,113 WARN L180 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-11-28 18:49:45,494 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2018-11-28 18:49:45,713 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-11-28 18:49:45,944 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2018-11-28 18:49:46,100 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 26 [2018-11-28 18:49:46,558 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 36 [2018-11-28 18:49:46,641 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2018-11-28 18:49:46,642 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2018-11-28 18:49:46,642 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2018-11-28 18:49:46,642 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2018-11-28 18:49:46,642 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2018-11-28 18:49:46,642 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-28 18:49:46,642 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2018-11-28 18:49:46,642 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2018-11-28 18:49:46,642 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse6 .cse4) (or .cse1 .cse7 .cse6 .cse4 .cse5) (or .cse0 .cse1 .cse7 .cse3 .cse4))) [2018-11-28 18:49:46,643 INFO L448 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-28 18:49:46,643 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2018-11-28 18:49:46,643 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2018-11-28 18:49:46,643 INFO L444 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-11-28 18:49:46,643 INFO L448 ceAbstractionStarter]: For program point L401(lines 401 407) no Hoare annotation was computed. [2018-11-28 18:49:46,643 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2018-11-28 18:49:46,645 INFO L448 ceAbstractionStarter]: For program point L400(lines 400 410) no Hoare annotation was computed. [2018-11-28 18:49:46,646 INFO L444 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse5) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or .cse6 (or .cse2 (or .cse0 .cse5))) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse4 .cse1 .cse3))) [2018-11-28 18:49:46,646 INFO L448 ceAbstractionStarter]: For program point L398-1(line 398) no Hoare annotation was computed. [2018-11-28 18:49:46,646 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 413) no Hoare annotation was computed. [2018-11-28 18:49:46,646 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2018-11-28 18:49:46,646 INFO L448 ceAbstractionStarter]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2018-11-28 18:49:46,646 INFO L451 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2018-11-28 18:49:46,646 INFO L448 ceAbstractionStarter]: For program point L394-1(line 394) no Hoare annotation was computed. [2018-11-28 18:49:46,646 INFO L444 ceAbstractionStarter]: At program point L866-1(line 866) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,646 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,646 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2018-11-28 18:49:46,647 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2018-11-28 18:49:46,647 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,647 INFO L444 ceAbstractionStarter]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,647 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 877) no Hoare annotation was computed. [2018-11-28 18:49:46,647 INFO L448 ceAbstractionStarter]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2018-11-28 18:49:46,647 INFO L448 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-11-28 18:49:46,647 INFO L444 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,647 INFO L444 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,647 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2018-11-28 18:49:46,648 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~waterLevel~0 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse1 (and .cse0 .cse4) .cse5) (or (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse5) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or (or .cse3 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)))) [2018-11-28 18:49:46,648 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse2) (or (or (or .cse3 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or .cse3 .cse0 .cse2))) [2018-11-28 18:49:46,648 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2018-11-28 18:49:46,648 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2018-11-28 18:49:46,648 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2018-11-28 18:49:46,648 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2018-11-28 18:49:46,648 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2018-11-28 18:49:46,648 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2018-11-28 18:49:46,648 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2018-11-28 18:49:46,648 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2018-11-28 18:49:46,649 INFO L451 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: true [2018-11-28 18:49:46,649 INFO L448 ceAbstractionStarter]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2018-11-28 18:49:46,649 INFO L448 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2018-11-28 18:49:46,649 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2018-11-28 18:49:46,649 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2018-11-28 18:49:46,649 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2018-11-28 18:49:46,649 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,649 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2018-11-28 18:49:46,649 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2018-11-28 18:49:46,649 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,650 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2018-11-28 18:49:46,650 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2018-11-28 18:49:46,650 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2018-11-28 18:49:46,650 INFO L451 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-11-28 18:49:46,650 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-28 18:49:46,650 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 1))))) [2018-11-28 18:49:46,650 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2018-11-28 18:49:46,650 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2018-11-28 18:49:46,650 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2018-11-28 18:49:46,650 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2018-11-28 18:49:46,650 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2018-11-28 18:49:46,651 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2018-11-28 18:49:46,651 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= processEnvironment_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-28 18:49:46,651 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 134) no Hoare annotation was computed. [2018-11-28 18:49:46,651 INFO L444 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3))) [2018-11-28 18:49:46,651 INFO L448 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-11-28 18:49:46,651 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 139) no Hoare annotation was computed. [2018-11-28 18:49:46,651 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2018-11-28 18:49:46,651 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse0 .cse1 .cse3) (or (or .cse1 (or .cse4 .cse0 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-28 18:49:46,652 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-28 18:49:46,652 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2018-11-28 18:49:46,652 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-28 18:49:46,652 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2018-11-28 18:49:46,652 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2018-11-28 18:49:46,652 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1)) (.cse7 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and .cse8 .cse6 .cse7)) (.cse3 (= ~systemActive~0 0)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (and .cse8 .cse7)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse2) (and .cse0 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse3 (and .cse5 .cse4 .cse2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~pumpRunning~0 1) .cse6 .cse7)))) [2018-11-28 18:49:46,652 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,652 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 324) no Hoare annotation was computed. [2018-11-28 18:49:46,652 INFO L448 ceAbstractionStarter]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2018-11-28 18:49:46,652 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2018-11-28 18:49:46,653 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 314) no Hoare annotation was computed. [2018-11-28 18:49:46,653 INFO L444 ceAbstractionStarter]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:46,653 INFO L444 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) (and .cse1 .cse4 .cse3)))) [2018-11-28 18:49:46,653 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 352) no Hoare annotation was computed. [2018-11-28 18:49:46,653 INFO L444 ceAbstractionStarter]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 (and .cse3 .cse0 .cse2)) (and .cse5 .cse3 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:49:46,653 INFO L448 ceAbstractionStarter]: For program point L309(lines 308 357) no Hoare annotation was computed. [2018-11-28 18:49:46,653 INFO L444 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 (and .cse1 (= ~pumpRunning~0 1) .cse2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-28 18:49:46,653 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 353) no Hoare annotation was computed. [2018-11-28 18:49:46,664 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse0 (= 2 ~waterLevel~0)) (.cse5 (= ~systemActive~0 0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (and .cse5 (and (and .cse3 .cse0 .cse2) .cse6)) (and .cse5 .cse3 .cse4 .cse2 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:49:46,664 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-11-28 18:49:46,664 INFO L448 ceAbstractionStarter]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2018-11-28 18:49:46,664 INFO L444 ceAbstractionStarter]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse6 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse6 (and .cse0 .cse4 .cse3) .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= ~pumpRunning~0 1) .cse2 .cse3) (and .cse6 .cse0 .cse1 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:49:46,664 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2018-11-28 18:49:46,664 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:49:46,665 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2018-11-28 18:49:46,665 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2018-11-28 18:49:46,665 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2018-11-28 18:49:46,665 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2018-11-28 18:49:46,665 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2018-11-28 18:49:46,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:49:46,665 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 18:49:46,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:49:46,665 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 165) no Hoare annotation was computed. [2018-11-28 18:49:46,665 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:49:46,665 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-28 18:49:46,666 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2018-11-28 18:49:46,668 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:49:46,668 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:49:46,668 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2018-11-28 18:49:46,668 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2018-11-28 18:49:46,668 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2018-11-28 18:49:46,668 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2018-11-28 18:49:46,668 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2018-11-28 18:49:46,668 INFO L451 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2018-11-28 18:49:46,669 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2018-11-28 18:49:46,669 INFO L448 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-11-28 18:49:46,669 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2018-11-28 18:49:46,669 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2018-11-28 18:49:46,669 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 246) no Hoare annotation was computed. [2018-11-28 18:49:46,669 INFO L448 ceAbstractionStarter]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2018-11-28 18:49:46,669 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2018-11-28 18:49:46,669 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2018-11-28 18:49:46,669 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2018-11-28 18:49:46,669 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 803) no Hoare annotation was computed. [2018-11-28 18:49:46,669 INFO L451 ceAbstractionStarter]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2018-11-28 18:49:46,669 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2018-11-28 18:49:46,670 INFO L448 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2018-11-28 18:49:46,670 INFO L451 ceAbstractionStarter]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2018-11-28 18:49:46,670 INFO L451 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: true [2018-11-28 18:49:46,670 INFO L448 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2018-11-28 18:49:46,670 INFO L451 ceAbstractionStarter]: At program point L810(lines 785 814) the Hoare annotation is: true [2018-11-28 18:49:46,670 INFO L448 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2018-11-28 18:49:46,670 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2018-11-28 18:49:46,670 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2018-11-28 18:49:46,670 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2018-11-28 18:49:46,670 INFO L448 ceAbstractionStarter]: For program point L64(lines 60 82) no Hoare annotation was computed. [2018-11-28 18:49:46,670 INFO L448 ceAbstractionStarter]: For program point L62(lines 60 82) no Hoare annotation was computed. [2018-11-28 18:49:46,673 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse7)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse7)) (or .cse0 .cse4 .cse6 .cse5) (or .cse0 .cse8 .cse6 .cse9 .cse5) (or .cse10 .cse0 .cse2 .cse11 .cse5) (or .cse10 .cse0 .cse6 .cse11 .cse5) (or (or .cse0 .cse6 .cse1) .cse3) (or .cse0 .cse2 .cse9 .cse5 .cse8)))) [2018-11-28 18:49:46,673 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2018-11-28 18:49:46,673 INFO L444 ceAbstractionStarter]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse3 .cse4 .cse1 .cse5) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse6 .cse5) (or (or .cse3 .cse2) .cse6)))) [2018-11-28 18:49:46,673 INFO L444 ceAbstractionStarter]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse4 (and .cse7 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 1) .cse3) .cse4) (or .cse0 .cse4 .cse1 .cse5) (or (or .cse0 .cse2) .cse6 .cse4) (or .cse0 .cse6 .cse5 .cse4) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse7 (= 1 ~waterLevel~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-28 18:49:46,673 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2018-11-28 18:49:46,674 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse0 .cse4 .cse3) (or (or .cse0 .cse2) .cse4))) [2018-11-28 18:49:46,674 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 18:49:46,674 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2018-11-28 18:49:46,674 INFO L448 ceAbstractionStarter]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2018-11-28 18:49:46,674 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2018-11-28 18:49:46,674 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2018-11-28 18:49:46,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:49:46,674 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 18:49:46,674 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:49:46,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:49:46,675 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2018-11-28 18:49:46,675 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: (let ((.cse1 (= |old(~systemActive~0)| 0)) (.cse0 (not (= ~systemActive~0 0)))) (and (or (or (not (= 1 ~pumpRunning~0)) (not (= ~waterLevel~0 2))) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 18:49:46,675 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2018-11-28 18:49:46,675 INFO L448 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2018-11-28 18:49:46,675 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-28 18:49:46,675 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 113) no Hoare annotation was computed. [2018-11-28 18:49:46,675 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2018-11-28 18:49:46,675 INFO L444 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 18:49:46,675 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2018-11-28 18:49:46,679 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 18:49:46,679 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-28 18:49:46,679 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 108) no Hoare annotation was computed. [2018-11-28 18:49:46,679 INFO L444 ceAbstractionStarter]: At program point L98(line 98) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-28 18:49:46,679 INFO L448 ceAbstractionStarter]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2018-11-28 18:49:46,679 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2018-11-28 18:49:46,680 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (or .cse3 .cse0) .cse1 .cse4 .cse2) (or (or .cse3 .cse0 .cse5) .cse1) (or .cse6 .cse1 .cse4 .cse3 .cse2) (or .cse6 (or .cse5 .cse3) .cse4 .cse1))) [2018-11-28 18:49:46,680 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2018-11-28 18:49:46,680 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2018-11-28 18:49:46,680 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2018-11-28 18:49:46,680 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2018-11-28 18:49:46,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:49:46 BoogieIcfgContainer [2018-11-28 18:49:46,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:49:46,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:49:46,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:49:46,716 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:49:46,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:49:08" (3/4) ... [2018-11-28 18:49:46,721 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:49:46,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:49:46,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:49:46,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:49:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:49:46,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:49:46,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:49:46,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:49:46,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:49:46,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:49:46,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:49:46,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:49:46,751 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:49:46,752 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:49:46,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:49:46,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:49:46,755 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:49:46,756 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:49:46,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((systemActive == 0 && (0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((systemActive == 0 && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-28 18:49:46,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:49:46,872 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:49:46,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:49:46,873 INFO L168 Benchmark]: Toolchain (without parser) took 40129.52 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 587.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 423.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:46,874 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:49:46,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.78 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:46,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:46,877 INFO L168 Benchmark]: Boogie Preprocessor took 59.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:49:46,878 INFO L168 Benchmark]: RCFGBuilder took 1151.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:46,878 INFO L168 Benchmark]: TraceAbstraction took 37889.54 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 475.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -85.2 MB). Peak memory consumption was 651.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:46,878 INFO L168 Benchmark]: Witness Printer took 156.13 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:46,883 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 734.78 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1151.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37889.54 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 475.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -85.2 MB). Peak memory consumption was 651.4 MB. Max. memory is 11.5 GB. * Witness Printer took 156.13 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((systemActive == 0 && (0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((systemActive == 0 && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 176 locations, 1 error locations. SAFE Result, 37.7s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 19.8s AutomataDifference, 0.0s DeadEndRemovalTime, 9.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2747 SDtfs, 2721 SDslu, 8924 SDs, 0 SdLazy, 6297 SolverSat, 1195 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1436 GetRequests, 1295 SyntacticMatches, 4 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3037occurred 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: 1.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 854 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4763 PreInvPairs, 4922 NumberOfFragments, 2507 HoareAnnotationTreeSize, 4763 FomulaSimplifications, 16621 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 30866 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 3200 NumberOfCodeBlocks, 3200 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3184 ConstructedInterpolants, 0 QuantifiedInterpolants, 1101398 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5225 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 2759/2828 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...