./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product61_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_spec1_product61_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 bf50661cace84e24af5f399094bd98fed0ff7444 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:43:36,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:36,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:36,901 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:36,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:36,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:36,904 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:36,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:36,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:36,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:36,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:36,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:36,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:36,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:36,913 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:36,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:36,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:36,916 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:36,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:36,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:36,921 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:36,922 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:36,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:36,924 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:36,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:36,926 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:36,927 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:36,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:36,928 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:36,929 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:36,930 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:36,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:36,931 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:36,931 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:36,932 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:36,932 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:36,933 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:36,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:36,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:36,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:36,952 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:36,954 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:36,954 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:36,954 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:36,954 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:36,954 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:36,955 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:36,955 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:36,955 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:36,955 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:36,955 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:36,955 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:36,957 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:36,957 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:36,957 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:36,957 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:36,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:36,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:36,958 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:36,959 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:36,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:36,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:36,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:36,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:36,960 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:36,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:36,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:36,960 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 -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-11-28 18:43:36,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:37,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:37,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:37,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:37,020 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:37,021 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:37,092 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a3d4d08/e3d760fbbb18425fac25ca8e1c3e57e7/FLAGfc95b8336 [2018-11-28 18:43:37,628 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:37,629 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:37,649 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a3d4d08/e3d760fbbb18425fac25ca8e1c3e57e7/FLAGfc95b8336 [2018-11-28 18:43:37,886 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a3d4d08/e3d760fbbb18425fac25ca8e1c3e57e7 [2018-11-28 18:43:37,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:37,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:37,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:37,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:37,898 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:37,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:37" (1/1) ... [2018-11-28 18:43:37,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ca5205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:37, skipping insertion in model container [2018-11-28 18:43:37,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:37" (1/1) ... [2018-11-28 18:43:37,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:37,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:38,434 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:38,452 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:38,578 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:38,704 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:38,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38 WrapperNode [2018-11-28 18:43:38,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:38,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:38,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:38,706 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:38,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:38,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:38,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:38,748 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:38,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (1/1) ... [2018-11-28 18:43:38,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:38,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:38,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:38,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:38,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (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 18:43:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:43:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:43:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:43:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:43:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:43:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:43:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:43:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:43:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:43:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:43:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:43:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:43:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:43:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:43:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:43:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:43:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:43:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:43:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:40,068 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:40,068 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:40,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:40 BoogieIcfgContainer [2018-11-28 18:43:40,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:40,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:40,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:40,073 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:40,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:37" (1/3) ... [2018-11-28 18:43:40,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3d5a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:40, skipping insertion in model container [2018-11-28 18:43:40,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:38" (2/3) ... [2018-11-28 18:43:40,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3d5a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:40, skipping insertion in model container [2018-11-28 18:43:40,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:40" (3/3) ... [2018-11-28 18:43:40,076 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:40,091 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:40,103 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:40,121 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:40,155 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:40,156 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:40,156 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:40,157 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:40,157 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:40,157 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:40,157 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:40,157 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:40,157 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-28 18:43:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:40,199 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:40,202 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 18:43:40,205 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:40,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:40,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1498738476, now seen corresponding path program 1 times [2018-11-28 18:43:40,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:40,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:40,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:40,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:40,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:40,556 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 18:43:40,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:40,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:40,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:40,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:40,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:40,580 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-28 18:43:40,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:40,639 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2018-11-28 18:43:40,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:40,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:40,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:40,657 INFO L225 Difference]: With dead ends: 300 [2018-11-28 18:43:40,657 INFO L226 Difference]: Without dead ends: 150 [2018-11-28 18:43:40,663 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 18:43:40,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-28 18:43:40,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-28 18:43:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-28 18:43:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2018-11-28 18:43:40,740 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2018-11-28 18:43:40,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:40,741 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2018-11-28 18:43:40,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2018-11-28 18:43:40,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:40,745 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:40,745 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 18:43:40,746 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:40,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:40,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1709760892, now seen corresponding path program 1 times [2018-11-28 18:43:40,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:40,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:40,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:40,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:40,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:40,965 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 18:43:40,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:40,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:40,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:40,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:40,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:40,974 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2018-11-28 18:43:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:41,019 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2018-11-28 18:43:41,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:41,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:41,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:41,023 INFO L225 Difference]: With dead ends: 249 [2018-11-28 18:43:41,023 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 18:43:41,025 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 18:43:41,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 18:43:41,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 18:43:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 18:43:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2018-11-28 18:43:41,056 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2018-11-28 18:43:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:41,057 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2018-11-28 18:43:41,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2018-11-28 18:43:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:43:41,064 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:41,064 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] [2018-11-28 18:43:41,064 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:41,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:41,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1598085398, now seen corresponding path program 1 times [2018-11-28 18:43:41,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:41,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:41,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:41,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:41,351 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 18:43:41,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:41,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:41,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:41,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:41,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:41,353 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2018-11-28 18:43:42,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:42,375 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2018-11-28 18:43:42,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:42,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:43:42,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:42,379 INFO L225 Difference]: With dead ends: 258 [2018-11-28 18:43:42,379 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 18:43:42,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:42,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 18:43:42,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 18:43:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 18:43:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-11-28 18:43:42,399 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2018-11-28 18:43:42,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:42,399 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-11-28 18:43:42,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-11-28 18:43:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 18:43:42,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:42,403 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] [2018-11-28 18:43:42,404 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:42,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:42,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1284631829, now seen corresponding path program 1 times [2018-11-28 18:43:42,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:42,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:42,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:42,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:42,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:42,828 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 18:43:42,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:42,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:43:42,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:43:42,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:43:42,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:43:42,831 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2018-11-28 18:43:44,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:44,693 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2018-11-28 18:43:44,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:44,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 18:43:44,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:44,697 INFO L225 Difference]: With dead ends: 367 [2018-11-28 18:43:44,698 INFO L226 Difference]: Without dead ends: 250 [2018-11-28 18:43:44,699 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:43:44,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-11-28 18:43:44,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2018-11-28 18:43:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-11-28 18:43:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2018-11-28 18:43:44,737 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2018-11-28 18:43:44,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:44,738 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2018-11-28 18:43:44,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:43:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2018-11-28 18:43:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:43:44,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:44,743 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:44,743 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:44,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:44,744 INFO L82 PathProgramCache]: Analyzing trace with hash -65271002, now seen corresponding path program 1 times [2018-11-28 18:43:44,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:44,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:44,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:44,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:44,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:45,056 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 18:43:45,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:45,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:43:45,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:43:45,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:43:45,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:43:45,059 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2018-11-28 18:43:45,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:45,144 INFO L93 Difference]: Finished difference Result 447 states and 523 transitions. [2018-11-28 18:43:45,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:45,146 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-28 18:43:45,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:45,150 INFO L225 Difference]: With dead ends: 447 [2018-11-28 18:43:45,150 INFO L226 Difference]: Without dead ends: 239 [2018-11-28 18:43:45,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:43:45,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-28 18:43:45,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 236. [2018-11-28 18:43:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-28 18:43:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 268 transitions. [2018-11-28 18:43:45,182 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 268 transitions. Word has length 83 [2018-11-28 18:43:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:45,183 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 268 transitions. [2018-11-28 18:43:45,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:43:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 268 transitions. [2018-11-28 18:43:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:43:45,187 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:45,187 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:45,188 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:45,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:45,188 INFO L82 PathProgramCache]: Analyzing trace with hash -766870876, now seen corresponding path program 1 times [2018-11-28 18:43:45,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:45,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:45,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:45,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:45,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:45,481 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 18:43:45,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:45,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:45,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:45,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:45,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:45,483 INFO L87 Difference]: Start difference. First operand 236 states and 268 transitions. Second operand 6 states. [2018-11-28 18:43:45,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:45,806 INFO L93 Difference]: Finished difference Result 645 states and 754 transitions. [2018-11-28 18:43:45,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:45,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 18:43:45,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:45,811 INFO L225 Difference]: With dead ends: 645 [2018-11-28 18:43:45,811 INFO L226 Difference]: Without dead ends: 433 [2018-11-28 18:43:45,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:45,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-28 18:43:45,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2018-11-28 18:43:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-28 18:43:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 486 transitions. [2018-11-28 18:43:45,858 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 486 transitions. Word has length 83 [2018-11-28 18:43:45,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:45,858 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 486 transitions. [2018-11-28 18:43:45,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:45,858 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 486 transitions. [2018-11-28 18:43:45,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 18:43:45,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:45,861 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:45,862 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:45,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:45,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1867403624, now seen corresponding path program 1 times [2018-11-28 18:43:45,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:45,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:45,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:45,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:45,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:46,458 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 18:43:46,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:46,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:46,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:46,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:46,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:46,466 INFO L87 Difference]: Start difference. First operand 427 states and 486 transitions. Second operand 7 states. [2018-11-28 18:43:47,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:47,763 INFO L93 Difference]: Finished difference Result 460 states and 536 transitions. [2018-11-28 18:43:47,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:43:47,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-28 18:43:47,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:47,769 INFO L225 Difference]: With dead ends: 460 [2018-11-28 18:43:47,769 INFO L226 Difference]: Without dead ends: 457 [2018-11-28 18:43:47,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:43:47,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-28 18:43:47,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 427. [2018-11-28 18:43:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-28 18:43:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 485 transitions. [2018-11-28 18:43:47,827 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 485 transitions. Word has length 87 [2018-11-28 18:43:47,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:47,828 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 485 transitions. [2018-11-28 18:43:47,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 485 transitions. [2018-11-28 18:43:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 18:43:47,834 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:47,834 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:47,835 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:47,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:47,836 INFO L82 PathProgramCache]: Analyzing trace with hash 157461945, now seen corresponding path program 1 times [2018-11-28 18:43:47,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:47,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:47,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:47,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:47,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:43:48,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:48,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:48,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:48,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:48,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:48,150 INFO L87 Difference]: Start difference. First operand 427 states and 485 transitions. Second operand 6 states. [2018-11-28 18:43:48,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:48,234 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2018-11-28 18:43:48,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:48,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-28 18:43:48,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:48,243 INFO L225 Difference]: With dead ends: 844 [2018-11-28 18:43:48,243 INFO L226 Difference]: Without dead ends: 441 [2018-11-28 18:43:48,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:48,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-11-28 18:43:48,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 437. [2018-11-28 18:43:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-11-28 18:43:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2018-11-28 18:43:48,275 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2018-11-28 18:43:48,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:48,276 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2018-11-28 18:43:48,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2018-11-28 18:43:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 18:43:48,279 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:48,280 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:48,280 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:48,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:48,280 INFO L82 PathProgramCache]: Analyzing trace with hash 937564156, now seen corresponding path program 1 times [2018-11-28 18:43:48,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:48,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:48,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:48,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:48,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:48,652 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 18:43:48,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:43:48,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:48,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:43:48,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:43:48,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:43:48,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:43:48,668 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2018-11-28 18:43:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:49,931 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2018-11-28 18:43:49,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:43:49,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-28 18:43:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:49,945 INFO L225 Difference]: With dead ends: 1297 [2018-11-28 18:43:49,945 INFO L226 Difference]: Without dead ends: 884 [2018-11-28 18:43:49,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:43:49,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-28 18:43:50,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2018-11-28 18:43:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-28 18:43:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2018-11-28 18:43:50,023 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2018-11-28 18:43:50,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:50,024 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2018-11-28 18:43:50,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:43:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2018-11-28 18:43:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 18:43:50,031 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:50,031 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:50,032 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:50,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:50,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1484540002, now seen corresponding path program 1 times [2018-11-28 18:43:50,032 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:50,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:50,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:50,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:50,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:43:51,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:43:51,533 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 18:43:51,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:51,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:43:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:52,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:43:52,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:43:52,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:43:52,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:43:52,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:43:52,950 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 19 states. [2018-11-28 18:43:58,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:58,141 INFO L93 Difference]: Finished difference Result 1682 states and 1988 transitions. [2018-11-28 18:43:58,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:43:58,143 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-28 18:43:58,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:58,150 INFO L225 Difference]: With dead ends: 1682 [2018-11-28 18:43:58,152 INFO L226 Difference]: Without dead ends: 837 [2018-11-28 18:43:58,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:43:58,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2018-11-28 18:43:58,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2018-11-28 18:43:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2018-11-28 18:43:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 963 transitions. [2018-11-28 18:43:58,227 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 963 transitions. Word has length 107 [2018-11-28 18:43:58,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:58,228 INFO L480 AbstractCegarLoop]: Abstraction has 837 states and 963 transitions. [2018-11-28 18:43:58,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:43:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 963 transitions. [2018-11-28 18:43:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-28 18:43:58,234 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:58,234 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:58,235 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:58,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:58,235 INFO L82 PathProgramCache]: Analyzing trace with hash -942389828, now seen corresponding path program 1 times [2018-11-28 18:43:58,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:58,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:58,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:58,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:58,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-28 18:43:58,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:43:58,395 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 18:43:58,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:58,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:43:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:43:58,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:43:58,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 18:43:58,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:58,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:58,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:58,642 INFO L87 Difference]: Start difference. First operand 837 states and 963 transitions. Second operand 6 states. [2018-11-28 18:43:59,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:59,575 INFO L93 Difference]: Finished difference Result 1803 states and 2173 transitions. [2018-11-28 18:43:59,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:59,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2018-11-28 18:43:59,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:59,584 INFO L225 Difference]: With dead ends: 1803 [2018-11-28 18:43:59,585 INFO L226 Difference]: Without dead ends: 1120 [2018-11-28 18:43:59,588 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-11-28 18:43:59,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1019. [2018-11-28 18:43:59,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2018-11-28 18:43:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1192 transitions. [2018-11-28 18:43:59,704 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1192 transitions. Word has length 180 [2018-11-28 18:43:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:59,705 INFO L480 AbstractCegarLoop]: Abstraction has 1019 states and 1192 transitions. [2018-11-28 18:43:59,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1192 transitions. [2018-11-28 18:43:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-28 18:43:59,711 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:59,711 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:59,711 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:59,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:59,713 INFO L82 PathProgramCache]: Analyzing trace with hash 98941654, now seen corresponding path program 1 times [2018-11-28 18:43:59,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:59,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:59,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:59,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:59,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 18:44:01,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:01,568 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 18:44:01,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:01,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:44:01,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:01,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:44:01,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:44:01,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:44:01,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:44:01,996 INFO L87 Difference]: Start difference. First operand 1019 states and 1192 transitions. Second operand 19 states. [2018-11-28 18:44:02,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:02,976 INFO L93 Difference]: Finished difference Result 1751 states and 2087 transitions. [2018-11-28 18:44:02,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:44:02,984 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2018-11-28 18:44:02,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:02,986 INFO L225 Difference]: With dead ends: 1751 [2018-11-28 18:44:02,986 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:02,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:44:02,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:02,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:02,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-28 18:44:02,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:02,994 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:02,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:44:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:02,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:03,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:03,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:03,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:04,461 WARN L180 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 16 [2018-11-28 18:44:04,633 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 18:44:05,011 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2018-11-28 18:44:05,271 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 1 [2018-11-28 18:44:05,375 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2018-11-28 18:44:06,022 WARN L180 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2018-11-28 18:44:06,404 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2018-11-28 18:44:06,694 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 20 [2018-11-28 18:44:06,824 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2018-11-28 18:44:07,053 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 18 [2018-11-28 18:44:07,935 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2018-11-28 18:44:08,139 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 24 [2018-11-28 18:44:08,940 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2018-11-28 18:44:08,944 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 18:44:08,944 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 18:44:08,944 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:44:08,944 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 18:44:08,944 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:44:08,945 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,945 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-11-28 18:44:08,945 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,945 INFO L444 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,945 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-11-28 18:44:08,945 INFO L448 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-11-28 18:44:08,945 INFO L448 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-11-28 18:44:08,945 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,946 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,946 INFO L444 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,946 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-11-28 18:44:08,946 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-28 18:44:08,946 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-11-28 18:44:08,946 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-28 18:44:08,946 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:08,947 INFO L444 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-28 18:44:08,947 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-11-28 18:44:08,947 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-11-28 18:44:08,947 INFO L444 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-28 18:44:08,947 INFO L448 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-11-28 18:44:08,947 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-11-28 18:44:08,947 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-11-28 18:44:08,947 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-11-28 18:44:08,947 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-11-28 18:44:08,948 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-28 18:44:08,948 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-11-28 18:44:08,948 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-28 18:44:08,948 INFO L448 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-11-28 18:44:08,948 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-28 18:44:08,948 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-11-28 18:44:08,948 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-11-28 18:44:08,948 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 18:44:08,948 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 18:44:08,948 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,949 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-11-28 18:44:08,949 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-11-28 18:44:08,949 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-11-28 18:44:08,949 INFO L451 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-11-28 18:44:08,949 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-11-28 18:44:08,949 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-11-28 18:44:08,949 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-11-28 18:44:08,949 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:08,949 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-11-28 18:44:08,949 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-11-28 18:44:08,950 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-11-28 18:44:08,950 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-11-28 18:44:08,950 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 18:44:08,950 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-28 18:44:08,950 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-11-28 18:44:08,950 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-28 18:44:08,950 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:08,950 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-11-28 18:44:08,951 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-11-28 18:44:08,951 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-28 18:44:08,951 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-28 18:44:08,951 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-28 18:44:08,951 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-28 18:44:08,951 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-28 18:44:08,951 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-11-28 18:44:08,951 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-11-28 18:44:08,951 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,951 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-11-28 18:44:08,952 INFO L444 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:08,952 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-11-28 18:44:08,952 INFO L444 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 18:44:08,952 INFO L448 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-11-28 18:44:08,952 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-11-28 18:44:08,952 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 18:44:08,952 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-28 18:44:08,952 INFO L448 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-11-28 18:44:08,952 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0))) [2018-11-28 18:44:08,953 INFO L444 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 18:44:08,953 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-11-28 18:44:08,953 INFO L448 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-11-28 18:44:08,953 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-11-28 18:44:08,953 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-11-28 18:44:08,953 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:08,953 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-11-28 18:44:08,953 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-11-28 18:44:08,953 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-28 18:44:08,953 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-28 18:44:08,954 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-28 18:44:08,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:08,954 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 18:44:08,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:08,954 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-11-28 18:44:08,954 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:44:08,954 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:44:08,954 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-11-28 18:44:08,954 INFO L448 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-11-28 18:44:08,955 INFO L444 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:44:08,955 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-28 18:44:08,955 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-11-28 18:44:08,955 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-11-28 18:44:08,955 INFO L451 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-11-28 18:44:08,955 INFO L448 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-11-28 18:44:08,955 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-11-28 18:44:08,955 INFO L448 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-11-28 18:44:08,955 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-11-28 18:44:08,955 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-28 18:44:08,956 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-28 18:44:08,956 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-28 18:44:08,956 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse3))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-28 18:44:08,956 INFO L444 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= ~systemActive~0 1)))) (and (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) (and .cse2 .cse3) .cse4 (not (= ~methaneLevelCritical~0 0)) (and .cse2 .cse1))) (or .cse0 (or .cse5 (not (= 0 |old(~pumpRunning~0)|)) .cse4)) (or .cse3 .cse5 .cse4))) [2018-11-28 18:44:08,956 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:08,956 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:08,956 INFO L448 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-11-28 18:44:08,956 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-11-28 18:44:08,957 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-11-28 18:44:08,957 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-11-28 18:44:08,957 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-11-28 18:44:08,957 INFO L451 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-11-28 18:44:08,957 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-28 18:44:08,957 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-11-28 18:44:08,957 INFO L451 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-11-28 18:44:08,957 INFO L448 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-28 18:44:08,957 INFO L451 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2018-11-28 18:44:08,957 INFO L451 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-11-28 18:44:08,957 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-28 18:44:08,957 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-28 18:44:08,958 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-28 18:44:08,958 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-28 18:44:08,958 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:44:08,958 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-28 18:44:08,958 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-28 18:44:08,958 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-11-28 18:44:08,958 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-11-28 18:44:08,958 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:08,958 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 18:44:08,958 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:44:08,959 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:08,959 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:08,959 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-28 18:44:08,959 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-11-28 18:44:08,959 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-11-28 18:44:08,959 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-11-28 18:44:08,959 INFO L444 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-11-28 18:44:08,959 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-11-28 18:44:08,960 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-28 18:44:08,960 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-28 18:44:08,960 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-11-28 18:44:08,960 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-28 18:44:08,960 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-28 18:44:08,960 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:08,960 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-28 18:44:08,960 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-11-28 18:44:08,960 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-11-28 18:44:08,960 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-28 18:44:08,961 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-11-28 18:44:08,961 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-11-28 18:44:08,961 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:44:08,961 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-28 18:44:08,961 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:08,961 INFO L448 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-11-28 18:44:08,961 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-11-28 18:44:08,961 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-11-28 18:44:08,961 INFO L451 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-11-28 18:44:08,961 INFO L448 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-11-28 18:44:08,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:44:08 BoogieIcfgContainer [2018-11-28 18:44:08,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:44:08,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:44:08,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:44:08,976 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:44:08,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:40" (3/4) ... [2018-11-28 18:44:08,980 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:44:08,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:44:08,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:44:08,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:44:08,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:44:08,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:44:08,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:44:08,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:44:08,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:44:08,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:44:08,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:44:08,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:44:09,001 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-28 18:44:09,001 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:44:09,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:44:09,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:44:09,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:44:09,004 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:44:09,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-28 18:44:09,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:09,137 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:44:09,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:44:09,138 INFO L168 Benchmark]: Toolchain (without parser) took 31246.90 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 370.1 MB). Free memory was 948.7 MB in the beginning and 1.3 GB in the end (delta: -385.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:09,138 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 18:44:09,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:09,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:09,141 INFO L168 Benchmark]: Boogie Preprocessor took 68.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:09,141 INFO L168 Benchmark]: RCFGBuilder took 1252.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:09,141 INFO L168 Benchmark]: TraceAbstraction took 28906.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -263.6 MB). Peak memory consumption was 491.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:09,143 INFO L168 Benchmark]: Witness Printer took 160.95 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: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:09,146 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 811.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1252.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28906.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -263.6 MB). Peak memory consumption was 491.2 MB. Max. memory is 11.5 GB. * Witness Printer took 160.95 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: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 163 locations, 1 error locations. SAFE Result, 28.8s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 5.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2457 SDtfs, 1814 SDslu, 8222 SDs, 0 SdLazy, 3935 SolverSat, 585 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 622 GetRequests, 504 SyntacticMatches, 4 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1019occurred in iteration=11, 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: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 177 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2203 PreInvPairs, 2329 NumberOfFragments, 1495 HoareAnnotationTreeSize, 2203 FomulaSimplifications, 5508 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 12786 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 1598 NumberOfCodeBlocks, 1598 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1583 ConstructedInterpolants, 0 QuantifiedInterpolants, 307818 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2571 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 218/228 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...