./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product58_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_spec4_product58_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 99a0574ff0f23dd43b458f22f446fd063a15f78d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:46:58,781 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:58,785 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:58,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:58,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:58,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:58,804 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:58,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:58,807 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:58,808 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:58,809 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:58,809 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:58,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:58,812 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:58,815 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:58,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:58,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:58,824 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:58,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:58,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:58,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:58,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:58,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:58,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:58,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:58,839 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:58,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:58,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:58,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:58,843 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:58,843 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:58,844 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:58,844 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:58,844 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:58,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:58,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:58,846 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:58,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:58,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:58,871 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:58,873 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:58,873 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:58,874 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:58,874 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:58,874 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:58,874 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:58,874 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:58,875 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:58,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:58,875 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:58,875 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:58,875 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:58,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:58,877 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:58,877 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:58,877 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:58,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:58,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:58,878 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:58,878 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:58,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:58,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:58,879 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:58,879 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:58,879 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:58,879 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:58,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:58,879 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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2018-11-28 18:46:58,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:58,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:58,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:58,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:58,969 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:58,970 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:59,024 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6b9425d/addad6d5b24241a68c3dd437222f7827/FLAG24eb12b21 [2018-11-28 18:46:59,553 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:59,559 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:59,578 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6b9425d/addad6d5b24241a68c3dd437222f7827/FLAG24eb12b21 [2018-11-28 18:46:59,824 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6b9425d/addad6d5b24241a68c3dd437222f7827 [2018-11-28 18:46:59,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:59,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:59,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:59,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:59,834 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:59,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:59" (1/1) ... [2018-11-28 18:46:59,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22cf3ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:59, skipping insertion in model container [2018-11-28 18:46:59,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:59" (1/1) ... [2018-11-28 18:46:59,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:59,907 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:47:00,352 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:47:00,367 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:47:00,538 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:47:00,579 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:47:00,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00 WrapperNode [2018-11-28 18:47:00,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:47:00,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:47:00,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:47:00,581 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:47:00,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:47:00,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:47:00,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:47:00,634 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:47:00,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (1/1) ... [2018-11-28 18:47:00,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:47:00,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:47:00,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:47:00,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:47:00,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (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 18:47:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:47:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:47:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:47:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:47:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:47:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:47:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:47:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:47:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:47:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:47:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:47:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:47:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:47:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:47:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:47:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:47:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:47:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:00,764 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:47:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:47:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:47:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:47:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:47:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:47:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:47:00,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:47:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:47:00,766 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:47:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:47:00,766 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:47:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:47:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:47:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:47:00,768 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:47:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:47:00,768 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:47:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:00,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:47:00,769 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:47:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:47:00,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:47:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:47:00,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:47:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:47:00,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:47:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:47:00,770 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:47:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:47:00,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:47:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:47:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:47:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:47:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:47:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:47:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:47:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:47:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:47:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:47:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:47:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:47:01,903 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:47:01,904 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:47:01,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:01 BoogieIcfgContainer [2018-11-28 18:47:01,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:47:01,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:47:01,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:47:01,910 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:47:01,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:59" (1/3) ... [2018-11-28 18:47:01,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10705dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:47:01, skipping insertion in model container [2018-11-28 18:47:01,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:00" (2/3) ... [2018-11-28 18:47:01,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10705dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:47:01, skipping insertion in model container [2018-11-28 18:47:01,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:01" (3/3) ... [2018-11-28 18:47:01,915 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:01,925 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:47:01,935 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:47:01,953 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:47:01,990 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:47:01,990 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:47:01,991 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:47:01,991 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:47:01,991 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:47:01,991 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:47:01,991 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:47:01,991 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:47:01,991 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:47:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2018-11-28 18:47:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:47:02,029 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:02,030 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:02,033 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:02,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:02,040 INFO L82 PathProgramCache]: Analyzing trace with hash 345966289, now seen corresponding path program 1 times [2018-11-28 18:47:02,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:02,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:02,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:02,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:02,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:02,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:47:02,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:47:02,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:47:02,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:47:02,400 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2018-11-28 18:47:02,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:02,453 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2018-11-28 18:47:02,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:47:02,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:47:02,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:02,469 INFO L225 Difference]: With dead ends: 294 [2018-11-28 18:47:02,469 INFO L226 Difference]: Without dead ends: 147 [2018-11-28 18:47:02,474 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 18:47:02,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-28 18:47:02,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-28 18:47:02,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-28 18:47:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2018-11-28 18:47:02,537 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2018-11-28 18:47:02,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:02,538 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2018-11-28 18:47:02,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:47:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2018-11-28 18:47:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:47:02,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:02,544 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:02,544 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:02,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:02,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1633337234, now seen corresponding path program 1 times [2018-11-28 18:47:02,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:02,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:02,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:02,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:02,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:02,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:47:02,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:47:02,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:47:02,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:47:02,768 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 3 states. [2018-11-28 18:47:02,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:02,809 INFO L93 Difference]: Finished difference Result 239 states and 275 transitions. [2018-11-28 18:47:02,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:47:02,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:47:02,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:02,814 INFO L225 Difference]: With dead ends: 239 [2018-11-28 18:47:02,814 INFO L226 Difference]: Without dead ends: 138 [2018-11-28 18:47:02,816 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 18:47:02,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-28 18:47:02,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-28 18:47:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-28 18:47:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2018-11-28 18:47:02,852 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2018-11-28 18:47:02,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:02,852 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2018-11-28 18:47:02,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:47:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2018-11-28 18:47:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:47:02,858 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:02,858 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:02,858 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:02,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:02,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2041048239, now seen corresponding path program 1 times [2018-11-28 18:47:02,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:02,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:02,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:02,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:03,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:03,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:47:03,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:47:03,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:47:03,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:47:03,172 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 7 states. [2018-11-28 18:47:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:03,821 INFO L93 Difference]: Finished difference Result 252 states and 293 transitions. [2018-11-28 18:47:03,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:47:03,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:47:03,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:03,825 INFO L225 Difference]: With dead ends: 252 [2018-11-28 18:47:03,825 INFO L226 Difference]: Without dead ends: 138 [2018-11-28 18:47:03,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-28 18:47:03,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-28 18:47:03,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-28 18:47:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2018-11-28 18:47:03,844 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2018-11-28 18:47:03,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:03,844 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2018-11-28 18:47:03,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:47:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2018-11-28 18:47:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:47:03,848 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:03,849 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:03,849 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:03,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:03,849 INFO L82 PathProgramCache]: Analyzing trace with hash -507321815, now seen corresponding path program 1 times [2018-11-28 18:47:03,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:03,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:03,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:03,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:03,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:04,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:04,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:47:04,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:47:04,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:47:04,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:47:04,073 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 5 states. [2018-11-28 18:47:05,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:05,544 INFO L93 Difference]: Finished difference Result 353 states and 419 transitions. [2018-11-28 18:47:05,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:47:05,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-28 18:47:05,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:05,550 INFO L225 Difference]: With dead ends: 353 [2018-11-28 18:47:05,555 INFO L226 Difference]: Without dead ends: 239 [2018-11-28 18:47:05,556 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:47:05,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-28 18:47:05,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2018-11-28 18:47:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 18:47:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2018-11-28 18:47:05,599 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 65 [2018-11-28 18:47:05,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:05,599 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2018-11-28 18:47:05,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:47:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2018-11-28 18:47:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 18:47:05,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:05,611 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:05,611 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:05,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:05,611 INFO L82 PathProgramCache]: Analyzing trace with hash -465750265, now seen corresponding path program 1 times [2018-11-28 18:47:05,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:05,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:05,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:05,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:05,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:05,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:05,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:47:05,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:47:05,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:47:05,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:47:05,789 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 8 states. [2018-11-28 18:47:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:06,016 INFO L93 Difference]: Finished difference Result 423 states and 489 transitions. [2018-11-28 18:47:06,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:47:06,020 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-28 18:47:06,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:06,027 INFO L225 Difference]: With dead ends: 423 [2018-11-28 18:47:06,027 INFO L226 Difference]: Without dead ends: 227 [2018-11-28 18:47:06,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:47:06,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-28 18:47:06,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2018-11-28 18:47:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-28 18:47:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2018-11-28 18:47:06,055 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 79 [2018-11-28 18:47:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:06,056 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2018-11-28 18:47:06,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:47:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2018-11-28 18:47:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 18:47:06,059 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:06,060 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:06,060 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:06,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:06,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1851953659, now seen corresponding path program 1 times [2018-11-28 18:47:06,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:06,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:06,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:06,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:06,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:06,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:06,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:47:06,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:47:06,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:47:06,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:06,403 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand 10 states. [2018-11-28 18:47:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:07,191 INFO L93 Difference]: Finished difference Result 726 states and 882 transitions. [2018-11-28 18:47:07,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:47:07,192 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-11-28 18:47:07,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:07,198 INFO L225 Difference]: With dead ends: 726 [2018-11-28 18:47:07,198 INFO L226 Difference]: Without dead ends: 526 [2018-11-28 18:47:07,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:47:07,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-11-28 18:47:07,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 516. [2018-11-28 18:47:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2018-11-28 18:47:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 597 transitions. [2018-11-28 18:47:07,245 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 597 transitions. Word has length 79 [2018-11-28 18:47:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:07,246 INFO L480 AbstractCegarLoop]: Abstraction has 516 states and 597 transitions. [2018-11-28 18:47:07,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:47:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 597 transitions. [2018-11-28 18:47:07,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 18:47:07,251 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:07,252 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 18:47:07,252 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:07,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:07,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1726701374, now seen corresponding path program 1 times [2018-11-28 18:47:07,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:07,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:07,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:07,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:07,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-28 18:47:07,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:07,469 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 18:47:07,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:07,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:08,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:08,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-28 18:47:08,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:47:08,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:47:08,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:47:08,100 INFO L87 Difference]: Start difference. First operand 516 states and 597 transitions. Second operand 13 states. [2018-11-28 18:47:12,249 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 18:47:13,547 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 18:47:15,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:15,033 INFO L93 Difference]: Finished difference Result 1365 states and 1748 transitions. [2018-11-28 18:47:15,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-11-28 18:47:15,034 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2018-11-28 18:47:15,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:15,043 INFO L225 Difference]: With dead ends: 1365 [2018-11-28 18:47:15,044 INFO L226 Difference]: Without dead ends: 994 [2018-11-28 18:47:15,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2018-11-28 18:47:15,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-28 18:47:15,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 869. [2018-11-28 18:47:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-28 18:47:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1043 transitions. [2018-11-28 18:47:15,127 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1043 transitions. Word has length 138 [2018-11-28 18:47:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:15,128 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1043 transitions. [2018-11-28 18:47:15,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:47:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1043 transitions. [2018-11-28 18:47:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 18:47:15,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:15,133 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 18:47:15,133 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:15,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1142516901, now seen corresponding path program 1 times [2018-11-28 18:47:15,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:15,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:15,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:15,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:15,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 18:47:15,377 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:15,377 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 18:47:15,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:15,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:47:15,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:15,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 18:47:15,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:47:15,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:47:15,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:47:15,594 INFO L87 Difference]: Start difference. First operand 869 states and 1043 transitions. Second operand 6 states. [2018-11-28 18:47:15,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:15,717 INFO L93 Difference]: Finished difference Result 1552 states and 1927 transitions. [2018-11-28 18:47:15,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:47:15,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-28 18:47:15,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:15,727 INFO L225 Difference]: With dead ends: 1552 [2018-11-28 18:47:15,727 INFO L226 Difference]: Without dead ends: 707 [2018-11-28 18:47:15,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 3 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 18:47:15,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-11-28 18:47:15,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2018-11-28 18:47:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2018-11-28 18:47:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 840 transitions. [2018-11-28 18:47:15,794 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 840 transitions. Word has length 149 [2018-11-28 18:47:15,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:15,795 INFO L480 AbstractCegarLoop]: Abstraction has 705 states and 840 transitions. [2018-11-28 18:47:15,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:47:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 840 transitions. [2018-11-28 18:47:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-28 18:47:15,799 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:15,799 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 18:47:15,800 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:15,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:15,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2058920796, now seen corresponding path program 1 times [2018-11-28 18:47:15,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:15,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:15,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:15,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:15,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:17,055 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 18:47:17,056 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:17,056 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 18:47:17,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:17,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:17,517 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:47:17,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 18:47:17,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:47:17,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:47:17,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:17,519 INFO L87 Difference]: Start difference. First operand 705 states and 840 transitions. Second operand 14 states. [2018-11-28 18:47:22,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:22,785 INFO L93 Difference]: Finished difference Result 1569 states and 1978 transitions. [2018-11-28 18:47:22,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 18:47:22,786 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2018-11-28 18:47:22,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:22,795 INFO L225 Difference]: With dead ends: 1569 [2018-11-28 18:47:22,795 INFO L226 Difference]: Without dead ends: 951 [2018-11-28 18:47:22,799 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 18:47:22,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2018-11-28 18:47:22,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 799. [2018-11-28 18:47:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-11-28 18:47:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 936 transitions. [2018-11-28 18:47:22,863 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 936 transitions. Word has length 153 [2018-11-28 18:47:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:22,864 INFO L480 AbstractCegarLoop]: Abstraction has 799 states and 936 transitions. [2018-11-28 18:47:22,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:47:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 936 transitions. [2018-11-28 18:47:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-28 18:47:22,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:22,869 INFO L402 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:22,869 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:22,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:22,869 INFO L82 PathProgramCache]: Analyzing trace with hash -2014696091, now seen corresponding path program 1 times [2018-11-28 18:47:22,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:22,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:22,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:22,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:22,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:23,283 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-28 18:47:23,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:23,283 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 18:47:23,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:23,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-28 18:47:23,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:23,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 18:47:23,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:47:23,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:47:23,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:47:23,791 INFO L87 Difference]: Start difference. First operand 799 states and 936 transitions. Second operand 13 states. [2018-11-28 18:47:24,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:24,017 INFO L93 Difference]: Finished difference Result 1062 states and 1246 transitions. [2018-11-28 18:47:24,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:47:24,018 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 207 [2018-11-28 18:47:24,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:24,019 INFO L225 Difference]: With dead ends: 1062 [2018-11-28 18:47:24,019 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:47:24,022 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:24,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:47:24,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:47:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:47:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:47:24,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2018-11-28 18:47:24,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:24,025 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:47:24,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:47:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:47:24,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:47:24,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:47:24,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:24,865 WARN L180 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 11 [2018-11-28 18:47:25,340 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2018-11-28 18:47:25,978 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2018-11-28 18:47:26,166 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-11-28 18:47:26,710 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2018-11-28 18:47:27,190 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 1 [2018-11-28 18:47:27,515 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2018-11-28 18:47:27,956 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2018-11-28 18:47:27,956 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2018-11-28 18:47:27,956 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-28 18:47:27,956 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2018-11-28 18:47:27,956 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-28 18:47:27,956 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-11-28 18:47:27,956 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-11-28 18:47:27,956 INFO L451 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-11-28 18:47:27,956 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-11-28 18:47:27,956 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-11-28 18:47:27,957 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-11-28 18:47:27,957 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 18:47:27,957 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-11-28 18:47:27,957 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 18:47:27,957 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-28 18:47:27,957 INFO L448 ceAbstractionStarter]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2018-11-28 18:47:27,957 INFO L448 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2018-11-28 18:47:27,957 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,957 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,958 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,958 INFO L444 ceAbstractionStarter]: At program point L638-1(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,958 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2018-11-28 18:47:27,958 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2018-11-28 18:47:27,958 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,958 INFO L444 ceAbstractionStarter]: At program point L644-1(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,958 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2018-11-28 18:47:27,958 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2018-11-28 18:47:27,958 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2018-11-28 18:47:27,959 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2018-11-28 18:47:27,959 INFO L451 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2018-11-28 18:47:27,959 INFO L448 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2018-11-28 18:47:27,959 INFO L448 ceAbstractionStarter]: For program point L896-1(line 896) no Hoare annotation was computed. [2018-11-28 18:47:27,959 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2018-11-28 18:47:27,959 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2018-11-28 18:47:27,959 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-11-28 18:47:27,959 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2018-11-28 18:47:27,959 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2018-11-28 18:47:27,959 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2018-11-28 18:47:27,960 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,960 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2018-11-28 18:47:27,960 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2018-11-28 18:47:27,960 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2018-11-28 18:47:27,960 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2018-11-28 18:47:27,960 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2018-11-28 18:47:27,960 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-11-28 18:47:27,960 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-28 18:47:27,960 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,960 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-28 18:47:27,961 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-28 18:47:27,961 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,961 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1)) .cse0 .cse1))) [2018-11-28 18:47:27,961 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-11-28 18:47:27,961 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 18:47:27,961 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-28 18:47:27,961 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-11-28 18:47:27,961 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-11-28 18:47:27,961 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,962 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 18:47:27,962 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-11-28 18:47:27,962 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-28 18:47:27,962 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-11-28 18:47:27,962 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-11-28 18:47:27,962 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-11-28 18:47:27,962 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-11-28 18:47:27,962 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-11-28 18:47:27,962 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2018-11-28 18:47:27,962 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,963 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2018-11-28 18:47:27,963 INFO L444 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:27,963 INFO L448 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2018-11-28 18:47:27,963 INFO L444 ceAbstractionStarter]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:27,963 INFO L448 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2018-11-28 18:47:27,963 INFO L444 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:27,963 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2018-11-28 18:47:27,963 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:27,964 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-28 18:47:27,964 INFO L448 ceAbstractionStarter]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2018-11-28 18:47:27,964 INFO L444 ceAbstractionStarter]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:27,964 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:27,964 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-28 18:47:27,964 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-11-28 18:47:27,964 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2018-11-28 18:47:27,964 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,964 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2018-11-28 18:47:27,964 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2018-11-28 18:47:27,965 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2018-11-28 18:47:27,965 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2018-11-28 18:47:27,965 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2018-11-28 18:47:27,965 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:27,965 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:27,965 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:27,965 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,965 INFO L448 ceAbstractionStarter]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2018-11-28 18:47:27,965 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2018-11-28 18:47:27,965 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2018-11-28 18:47:27,966 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,966 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 18:47:27,966 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,966 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2018-11-28 18:47:27,966 INFO L448 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2018-11-28 18:47:27,966 INFO L451 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2018-11-28 18:47:27,966 INFO L448 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2018-11-28 18:47:27,966 INFO L448 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2018-11-28 18:47:27,966 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2018-11-28 18:47:27,966 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2018-11-28 18:47:27,966 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2018-11-28 18:47:27,966 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2018-11-28 18:47:27,967 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2018-11-28 18:47:27,967 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-28 18:47:27,967 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: true [2018-11-28 18:47:27,967 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-28 18:47:27,967 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 18:47:27,967 INFO L448 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-11-28 18:47:27,967 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:47:27,967 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-11-28 18:47:27,967 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-11-28 18:47:27,968 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1) (or .cse3 .cse2)) (or (or .cse0 .cse2) .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2018-11-28 18:47:27,968 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not .cse3)) (.cse2 (and (<= 2 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse2 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2)))) [2018-11-28 18:47:27,968 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 18:47:27,968 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2018-11-28 18:47:27,968 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2018-11-28 18:47:27,968 INFO L448 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2018-11-28 18:47:27,968 INFO L451 ceAbstractionStarter]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2018-11-28 18:47:27,968 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-11-28 18:47:27,968 INFO L451 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2018-11-28 18:47:27,968 INFO L451 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2018-11-28 18:47:27,969 INFO L448 ceAbstractionStarter]: For program point L562-1(line 562) no Hoare annotation was computed. [2018-11-28 18:47:27,969 INFO L451 ceAbstractionStarter]: At program point L581(lines 556 585) the Hoare annotation is: true [2018-11-28 18:47:27,969 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-11-28 18:47:27,969 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-11-28 18:47:27,969 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-11-28 18:47:27,969 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-28 18:47:27,969 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-11-28 18:47:27,969 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-11-28 18:47:27,969 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2018-11-28 18:47:27,969 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2018-11-28 18:47:27,969 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:27,970 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 18:47:27,970 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:47:27,970 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:27,970 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2018-11-28 18:47:27,970 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 (or (< ~waterLevel~0 2) .cse1)))) [2018-11-28 18:47:27,970 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2018-11-28 18:47:27,970 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-11-28 18:47:27,970 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,970 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,971 INFO L448 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-11-28 18:47:27,971 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-11-28 18:47:27,971 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-11-28 18:47:27,971 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,971 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-11-28 18:47:27,971 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:47:27,971 INFO L444 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 18:47:27,971 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-11-28 18:47:27,971 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-11-28 18:47:27,971 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-28 18:47:27,972 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2018-11-28 18:47:27,972 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2018-11-28 18:47:27,972 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-11-28 18:47:27,972 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2018-11-28 18:47:27,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:47:27 BoogieIcfgContainer [2018-11-28 18:47:27,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:47:27,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:47:27,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:47:27,994 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:47:27,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:01" (3/4) ... [2018-11-28 18:47:28,004 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:47:28,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:47:28,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:47:28,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:47:28,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:47:28,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:47:28,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:47:28,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:47:28,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:28,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:47:28,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:47:28,038 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:47:28,040 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:47:28,040 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:47:28,041 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:47:28,041 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:47:28,044 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:47:28,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:47:28,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:47:28,139 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:47:28,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:47:28,140 INFO L168 Benchmark]: Toolchain (without parser) took 28312.55 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -322.4 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:28,142 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 18:47:28,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -112.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:28,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.13 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 18:47:28,144 INFO L168 Benchmark]: Boogie Preprocessor took 47.09 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 18:47:28,144 INFO L168 Benchmark]: RCFGBuilder took 1223.95 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:28,145 INFO L168 Benchmark]: TraceAbstraction took 26084.81 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 248.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -275.7 MB). Peak memory consumption was 508.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:28,146 INFO L168 Benchmark]: Witness Printer took 145.77 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:28,149 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 750.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -112.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.09 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 1223.95 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26084.81 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 248.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -275.7 MB). Peak memory consumption was 508.7 MB. Max. memory is 11.5 GB. * Witness Printer took 145.77 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 926]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 160 locations, 1 error locations. SAFE Result, 25.9s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 15.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1793 SDtfs, 2849 SDslu, 5767 SDs, 0 SdLazy, 5706 SolverSat, 1713 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 703 SyntacticMatches, 4 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 311 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1525 PreInvPairs, 1575 NumberOfFragments, 1049 HoareAnnotationTreeSize, 1525 FomulaSimplifications, 4644 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 66 FomulaSimplificationsInter, 5157 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1662 NumberOfCodeBlocks, 1662 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1648 ConstructedInterpolants, 0 QuantifiedInterpolants, 351160 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3581 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 410/442 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...